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541k
2307.05884
Learning Koopman Operators with Control Using Bi-level Optimization
The accurate modeling and control of nonlinear dynamical effects are crucial for numerous robotic systems. The Koopman formalism emerges as a valuable tool for linear control design in nonlinear systems within unknown environments. However, it still remains a challenging task to learn the Koopman operator with control ...
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false
false
false
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378,884
2408.06610
CROME: Cross-Modal Adapters for Efficient Multimodal LLM
Multimodal Large Language Models (MLLMs) demonstrate remarkable image-language capabilities, but their widespread use faces challenges in cost-effective training and adaptation. Existing approaches often necessitate expensive language model retraining and limited adaptability. Additionally, the current focus on zero-sh...
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false
false
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480,263
2007.09762
A Theory of Multiple-Source Adaptation with Limited Target Labeled Data
We present a theoretical and algorithmic study of the multiple-source domain adaptation problem in the common scenario where the learner has access only to a limited amount of labeled target data, but where the learner has at disposal a large amount of labeled data from multiple source domains. We show that a new famil...
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false
false
false
false
false
true
false
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false
false
false
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false
false
false
188,059
1909.09143
Leveraging User Engagement Signals For Entity Labeling in a Virtual Assistant
Personal assistant AI systems such as Siri, Cortana, and Alexa have become widely used as a means to accomplish tasks through natural language commands. However, components in these systems generally rely on supervised machine learning algorithms that require large amounts of hand-annotated training data, which is expe...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
146,162
1604.01476
Zadoff-Chu sequence design for random access initial uplink synchronization
The autocorrelation of a Zadoff-Chu (ZC) sequence with a non-zero cyclically shifted version of itself is zero. Due to the interesting property, ZC sequences are widely used in the LTE air interface in the primary synchronization signal (PSS), random access preamble (PRACH), uplink control channel (PUCCH) etc. However,...
false
false
false
false
false
false
false
false
false
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false
false
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false
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54,203
2407.20413
Through the Looking Glass, and what Horn Clause Programs Found There
Dual Horn clauses mirror key properties of Horn clauses. This paper explores the ``other side of the looking glass'' to reveal some expected and unexpected symmetries and their practical uses. We revisit Dual Horn clauses as enablers of a form of constructive negation that supports goal-driven forward reasoning and i...
false
false
false
false
false
false
false
false
true
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false
false
false
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false
false
false
false
477,154
2405.02525
RLStop: A Reinforcement Learning Stopping Method for TAR
We present RLStop, a novel Technology Assisted Review (TAR) stopping rule based on reinforcement learning that helps minimise the number of documents that need to be manually reviewed within TAR applications. RLStop is trained on example rankings using a reward function to identify the optimal point to stop examining d...
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
451,797
2405.14226
Variational Delayed Policy Optimization
In environments with delayed observation, state augmentation by including actions within the delay window is adopted to retrieve Markovian property to enable reinforcement learning (RL). However, state-of-the-art (SOTA) RL techniques with Temporal-Difference (TD) learning frameworks often suffer from learning inefficie...
false
false
false
false
true
false
true
false
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false
false
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false
false
456,319
2102.00573
A Secure Learning Control Strategy via Dynamic Camouflaging for Unknown Dynamical Systems under Attacks
This paper presents a secure reinforcement learning (RL) based control method for unknown linear time-invariant cyber-physical systems (CPSs) that are subjected to compositional attacks such as eavesdropping and covert attack. We consider the attack scenario where the attacker learns about the dynamic model during the ...
false
false
false
false
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false
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217,834
1809.07744
Guaranteed Globally Optimal Planar Pose Graph and Landmark SLAM via Sparse-Bounded Sums-of-Squares Programming
Autonomous navigation requires an accurate model or map of the environment. While dramatic progress in the prior two decades has enabled large-scale SLAM, the majority of existing methods rely on non-linear optimization techniques to find the MLE of the robot trajectory and surrounding environment. These methods are pr...
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
108,345
1801.03331
Reasoning about Unforeseen Possibilities During Policy Learning
Methods for learning optimal policies in autonomous agents often assume that the way the domain is conceptualised---its possible states and actions and their causal structure---is known in advance and does not change during learning. This is an unrealistic assumption in many scenarios, because new evidence can reveal i...
false
false
false
false
true
false
false
false
false
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false
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false
false
88,074
2102.02640
Low Bit-Rate Wideband Speech Coding: A Deep Generative Model based Approach
Traditional low bit-rate speech coding approach only handles narrowband speech at 8kHz, which limits further improvements in speech quality. Motivated by recent successful exploration of deep learning methods for image and speech compression, this paper presents a new approach through vector quantization (VQ) of mel-fr...
false
false
true
false
false
false
true
false
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218,474
2408.10575
MUSE: Mamba is Efficient Multi-scale Learner for Text-video Retrieval
Text-Video Retrieval (TVR) aims to align and associate relevant video content with corresponding natural language queries. Most existing TVR methods are based on large-scale pre-trained vision-language models (e.g., CLIP). However, due to the inherent plain structure of CLIP, few TVR methods explore the multi-scale rep...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
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481,920
1710.02186
Collaborative Platooning of Automated Vehicles Using Variable Time-Gaps
Connected automated vehicles (CAVs) could potentially be coordinated to safely attain the maximum traffic flow on roadways under dynamic traffic patterns, such as those engendered by the merger of two strings of vehicles due a lane drop. Strings of vehicles have to be shaped correctly in terms of the inter-vehicular ti...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
82,124
2304.02497
Hyper-parameter Tuning for Adversarially Robust Models
This work focuses on the problem of hyper-parameter tuning (HPT) for robust (i.e., adversarially trained) models, shedding light on the new challenges and opportunities arising during the HPT process for robust models. To this end, we conduct an extensive experimental study based on 3 popular deep models, in which we e...
false
false
false
false
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false
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356,455
2405.03699
HCC Is All You Need: Alignment-The Sensible Kind Anyway-Is Just Human-Centered Computing
This article argues that AI Alignment is a type of Human-Centered Computing.
true
false
false
false
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452,282
2310.12942
On the Representational Capacity of Recurrent Neural Language Models
This work investigates the computational expressivity of language models (LMs) based on recurrent neural networks (RNNs). Siegelmann and Sontag (1992) famously showed that RNNs with rational weights and hidden states and unbounded computation time are Turing complete. However, LMs define weightings over strings in addi...
false
false
false
false
false
false
true
false
true
false
false
false
false
false
false
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false
false
401,210
1910.03620
Receding Horizon Curiosity
Sample-efficient exploration is crucial not only for discovering rewarding experiences but also for adapting to environment changes in a task-agnostic fashion. A principled treatment of the problem of optimal input synthesis for system identification is provided within the framework of sequential Bayesian experimental ...
false
false
false
false
false
false
true
true
false
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false
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false
false
false
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148,537
2407.19156
Robust Multimodal 3D Object Detection via Modality-Agnostic Decoding and Proximity-based Modality Ensemble
Recent advancements in 3D object detection have benefited from multi-modal information from the multi-view cameras and LiDAR sensors. However, the inherent disparities between the modalities pose substantial challenges. We observe that existing multi-modal 3D object detection methods heavily rely on the LiDAR sensor, t...
false
false
false
false
false
false
false
false
false
false
false
true
false
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false
false
476,665
2009.02023
Chain-Net: Learning Deep Model for Modulation Classification Under Synthetic Channel Impairment
Modulation classification, an intermediate process between signal detection and demodulation in a physical layer, is now attracting more interest to the cognitive radio field, wherein the performance is powered by artificial intelligence algorithms. However, most existing conventional approaches pose the obstacle of ef...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
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false
false
false
194,444
2001.06804
Learning Compositional Neural Information Fusion for Human Parsing
This work proposes to combine neural networks with the compositional hierarchy of human bodies for efficient and complete human parsing. We formulate the approach as a neural information fusion framework. Our model assembles the information from three inference processes over the hierarchy: direct inference (directly p...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
160,887
2302.07667
CERiL: Continuous Event-based Reinforcement Learning
This paper explores the potential of event cameras to enable continuous time reinforcement learning. We formalise this problem where a continuous stream of unsynchronised observations is used to produce a corresponding stream of output actions for the environment. This lack of synchronisation enables greatly enhanced r...
false
false
false
false
true
false
true
false
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true
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false
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false
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345,796
2407.11553
Learning Global and Local Features of Power Load Series Through Transformer and 2D-CNN: An Image-based Multi-step Forecasting Approach Incorporating Phase Space Reconstruction
As modern power systems continue to evolve, accurate power load forecasting remains a critical issue in energy management. The phase space reconstruction method can effectively retain the inner chaotic property of power load from a system dynamics perspective and thus is a promising knowledge-based preprocessing method...
false
false
false
false
true
false
false
false
false
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false
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false
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false
false
473,514
2305.14992
Reasoning with Language Model is Planning with World Model
Large language models (LLMs) have shown remarkable reasoning capabilities, especially when prompted to generate intermediate reasoning steps (e.g., Chain-of-Thought, CoT). However, LLMs can still struggle with problems that are easy for humans, such as generating action plans for executing tasks in a given environment,...
false
false
false
false
true
false
true
false
true
false
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false
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367,378
2112.13833
HOPE: A Task-Oriented and Human-Centric Evaluation Framework Using Professional Post-Editing Towards More Effective MT Evaluation
Traditional automatic evaluation metrics for machine translation have been widely criticized by linguists due to their low accuracy, lack of transparency, focus on language mechanics rather than semantics, and low agreement with human quality evaluation. Human evaluations in the form of MQM-like scorecards have always ...
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
false
false
false
273,370
2112.00890
Counterfactual Explanations via Latent Space Projection and Interpolation
Counterfactual explanations represent the minimal change to a data sample that alters its predicted classification, typically from an unfavorable initial class to a desired target class. Counterfactuals help answer questions such as "what needs to change for this application to get accepted for a loan?". A number of re...
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false
false
false
false
false
true
false
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false
false
269,283
2410.11298
Sorted Weight Sectioning for Energy-Efficient Unstructured Sparse DNNs on Compute-in-Memory Crossbars
We introduce $\textit{sorted weight sectioning}$ (SWS): a weight allocation algorithm that places sorted deep neural network (DNN) weight sections on bit-sliced compute-in-memory (CIM) crossbars to reduce analog-to-digital converter (ADC) energy consumption. Data conversions are the most energy-intensive process in cro...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
true
498,493
1309.7817
Performance Analysis of Massive MIMO for Cell-Boundary Users
In this paper, we consider massive multiple-input multiple-output (MIMO) systems for both downlink and uplink scenarios, where three radio units (RUs) connected via one digital unit (DU) support multiple user equipments (UEs) at the cell-boundary through the same radio resource, i.e., the same time-frequency slot. For ...
false
false
false
false
false
false
false
false
false
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false
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false
false
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false
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27,424
2209.11880
Real-Time Model Predictive Control for Industrial Manipulators with Singularity-Tolerant Hierarchical Task Control
This paper proposes a real-time model predictive control (MPC) scheme to execute multiple tasks using robots over a finite-time horizon. In industrial robotic applications, we must carefully consider multiple constraints for avoiding joint position, velocity, and torque limits. In addition, singularity-free and smooth ...
false
false
false
false
false
false
false
true
false
false
false
false
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false
false
false
319,328
2306.07996
Point spread function modelling for astronomical telescopes: a review focused on weak gravitational lensing studies
The accurate modelling of the Point Spread Function (PSF) is of paramount importance in astronomical observations, as it allows for the correction of distortions and blurring caused by the telescope and atmosphere. PSF modelling is crucial for accurately measuring celestial objects' properties. The last decades brought...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
373,242
1603.02729
Revisiting Active Perception
Despite the recent successes in robotics, artificial intelligence and computer vision, a complete artificial agent necessarily must include active perception. A multitude of ideas and methods for how to accomplish this have already appeared in the past, their broader utility perhaps impeded by insufficient computationa...
false
false
false
false
false
false
false
true
false
false
false
true
false
false
false
false
false
false
53,046
2109.03780
Bayesian Over-The-Air Computation
As an important piece of the multi-tier computing architecture for future wireless networks, over-the-air computation (OAC) enables efficient function computation in multiple-access edge computing, where a fusion center aims to compute a function of the data distributed at edge devices. Existing OAC relies exclusively ...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
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false
false
254,164
2110.14322
Node-wise Localization of Graph Neural Networks
Graph neural networks (GNNs) emerge as a powerful family of representation learning models on graphs. To derive node representations, they utilize a global model that recursively aggregates information from the neighboring nodes. However, different nodes reside at different parts of the graph in different local context...
false
false
false
true
false
false
true
false
false
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false
false
false
false
false
false
false
263,498
1907.08494
Performance evaluation of THz wireless systems under the joint impact of misalignment fading and phase noise
In this paper, we investigate the joint impact of misalignment fading and local oscillator (LO) phase noise (PHN) in multi-carrier terahertz (THz) wireless systems. In more detail, after establishing a suitable system model that takes into account the particularities of the THz channel, as well as the transceivers char...
false
false
false
false
false
false
false
false
false
true
false
false
false
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false
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139,118
1607.05746
Bayesian Non-Exhaustive Classification A Case Study: Online Name Disambiguation using Temporal Record Streams
The name entity disambiguation task aims to partition the records of multiple real-life persons so that each partition contains records pertaining to a unique person. Most of the existing solutions for this task operate in a batch mode, where all records to be disambiguated are initially available to the algorithm. How...
false
false
false
false
false
true
false
false
false
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false
false
false
false
false
false
false
false
58,791
1507.03867
Rich Component Analysis
In many settings, we have multiple data sets (also called views) that capture different and overlapping aspects of the same phenomenon. We are often interested in finding patterns that are unique to one or to a subset of the views. For example, we might have one set of molecular observations and one set of physiologica...
false
false
false
false
false
false
true
false
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false
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45,113
1511.04143
Deep Reinforcement Learning in Parameterized Action Space
Recent work has shown that deep neural networks are capable of approximating both value functions and policies in reinforcement learning domains featuring continuous state and action spaces. However, to the best of our knowledge no previous work has succeeded at using deep neural networks in structured (parameterized) ...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
true
true
false
false
48,850
1905.12080
Non-normal Recurrent Neural Network (nnRNN): learning long time dependencies while improving expressivity with transient dynamics
A recent strategy to circumvent the exploding and vanishing gradient problem in RNNs, and to allow the stable propagation of signals over long time scales, is to constrain recurrent connectivity matrices to be orthogonal or unitary. This ensures eigenvalues with unit norm and thus stable dynamics and training. However ...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
132,639
2502.02689
Multidimensional Swarm Flight Approach For Chasing Unauthorized UAVs Leveraging Asynchronous Deep Learning
This paper introduces a novel unmanned aerial vehicles (UAV) chasing system designed to track and chase unauthorized UAVs, significantly enhancing their neutralization effectiveness.
false
false
false
false
false
false
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false
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530,427
2501.02937
4D-CS: Exploiting Cluster Prior for 4D Spatio-Temporal LiDAR Semantic Segmentation
Semantic segmentation of LiDAR points has significant value for autonomous driving and mobile robot systems. Most approaches explore spatio-temporal information of multi-scan to identify the semantic classes and motion states for each point. However, these methods often overlook the segmentation consistency in space an...
false
false
false
false
false
false
false
false
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false
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522,699
1810.02320
Computer vision-based framework for extracting geological lineaments from optical remote sensing data
The extraction of geological lineaments from digital satellite data is a fundamental application in remote sensing. The location of geological lineaments such as faults and dykes are of interest for a range of applications, particularly because of their association with hydrothermal mineralization. Although a wide rang...
false
false
false
false
true
false
false
false
false
false
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true
false
false
false
false
false
false
109,570
2307.01668
Training Energy-Based Models with Diffusion Contrastive Divergences
Energy-Based Models (EBMs) have been widely used for generative modeling. Contrastive Divergence (CD), a prevailing training objective for EBMs, requires sampling from the EBM with Markov Chain Monte Carlo methods (MCMCs), which leads to an irreconcilable trade-off between the computational burden and the validity of t...
false
false
false
false
false
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true
false
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false
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377,431
1912.13088
Off-Policy Estimation of Long-Term Average Outcomes with Applications to Mobile Health
Due to the recent advancements in wearables and sensing technology, health scientists are increasingly developing mobile health (mHealth) interventions. In mHealth interventions, mobile devices are used to deliver treatment to individuals as they go about their daily lives. These treatments are generally designed to im...
false
false
false
false
false
false
true
false
false
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false
159,002
2305.13300
Adaptive Chameleon or Stubborn Sloth: Revealing the Behavior of Large Language Models in Knowledge Conflicts
By providing external information to large language models (LLMs), tool augmentation (including retrieval augmentation) has emerged as a promising solution for addressing the limitations of LLMs' static parametric memory. However, how receptive are LLMs to such external evidence, especially when the evidence conflicts ...
false
false
false
false
true
false
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false
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366,447
2010.09367
On Properties and Optimization of Information-theoretic Privacy Watchdog
We study the problem of privacy preservation in data sharing, where $S$ is a sensitive variable to be protected and $X$ is a non-sensitive useful variable correlated with $S$. Variable $X$ is randomized into variable $Y$, which will be shared or released according to $p_{Y|X}(y|x)$. We measure privacy leakage by \emph{...
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false
false
false
false
false
false
false
false
true
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false
false
false
false
false
false
201,513
2011.12946
Exploratory LQG Mean Field Games with Entropy Regularization
We study a general class of entropy-regularized multi-variate LQG mean field games (MFGs) in continuous time with $K$ distinct sub-population of agents. We extend the notion of actions to action distributions (exploratory actions), and explicitly derive the optimal action distributions for individual agents in the limi...
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false
false
false
false
false
false
false
false
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true
false
false
false
false
false
false
false
208,320
2403.04558
Reducing self-supervised learning complexity improves weakly-supervised classification performance in computational pathology
Deep Learning models have been successfully utilized to extract clinically actionable insights from routinely available histology data. Generally, these models require annotations performed by clinicians, which are scarce and costly to generate. The emergence of self-supervised learning (SSL) methods remove this barrie...
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false
false
false
true
false
true
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435,643
2405.01249
Prompt engineering paradigms for medical applications: scoping review and recommendations for better practices
Prompt engineering is crucial for harnessing the potential of large language models (LLMs), especially in the medical domain where specialized terminology and phrasing is used. However, the efficacy of prompt engineering in the medical domain remains to be explored. In this work, 114 recent studies (2022-2024) applying...
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false
false
false
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false
false
451,286
2301.05336
Multitask Weakly Supervised Learning for Origin Destination Travel Time Estimation
Travel time estimation from GPS trips is of great importance to order duration, ridesharing, taxi dispatching, etc. However, the dense trajectory is not always available due to the limitation of data privacy and acquisition, while the origin destination (OD) type of data, such as NYC taxi data, NYC bike data, and Capit...
false
false
false
false
true
false
false
false
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340,323
2209.09631
De-Identification of French Unstructured Clinical Notes for Machine Learning Tasks
Unstructured textual data are at the heart of health systems: liaison letters between doctors, operating reports, coding of procedures according to the ICD-10 standard, etc. The details included in these documents make it possible to get to know the patient better, to better manage him or her, to better study the patho...
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false
false
false
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318,581
2112.07794
Review of Factor Graphs for Robust GNSS Applications
Factor graphs have recently emerged as an alternative solution method for GNSS positioning. In this article, we review how factor graphs are implemented in GNSS, some of their advantages over Kalman Filters, and their importance in making positioning solutions more robust to degraded measurements. We also talk about ho...
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false
false
false
false
false
false
true
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271,586
1709.03947
Constant Space Complexity Environment Representation for Vision-based Navigation
This paper presents a preliminary conceptual investigation into an environment representation that has constant space complexity with respect to the camera image space. This type of representation allows the planning algorithms of a mobile agent to bypass what are often complex and noisy transformations between camera ...
false
false
false
false
false
false
false
true
false
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false
false
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false
false
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false
false
80,570
2409.17758
Adapting Deep Variational Bayes Filter for Enhanced Confidence Estimation in Finite Element Method Integrated Networks (FEMIN)
The Finite Element Method (FEM) is a widely used technique for simulating crash scenarios with high accuracy and reliability. To reduce the significant computational costs associated with FEM, the Finite Element Method Integrated Networks (FEMIN) framework integrates neural networks (NNs) with FEM solvers. However, thi...
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true
false
false
false
false
false
false
false
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false
491,969
2306.17829
Federated Ensemble YOLOv5 -- A Better Generalized Object Detection Algorithm
Federated learning (FL) has gained significant traction as a privacy-preserving algorithm, but the underlying resemblances of federated learning algorithms like Federated averaging (FedAvg) or Federated SGD (Fed SGD) to ensemble learning algorithms have not been fully explored. The purpose of this paper is to examine t...
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false
false
376,823
2409.03189
A note on the differential spectrum of the Ness-Helleseth function
Let $n\geqslant3$ be an odd integer and $u$ an element in the finite field $\gf_{3^n}$. The Ness-Helleseth function is the binomial $f_u(x)=ux^{d_1}+x^{d_2}$ over $\gf_{3^n}$, where $d_1=\frac{3^n-1}{2}-1$ and $d_2=3^n-2$. In 2007, Ness and Helleseth showed that $f_u$ is an APN function when $\chi(u+1)=\chi(u-1)=\chi(u...
false
false
false
false
false
false
false
false
false
true
false
false
true
false
false
false
false
false
485,951
2402.00449
Parallel Spiking Unit for Efficient Training of Spiking Neural Networks
Efficient parallel computing has become a pivotal element in advancing artificial intelligence. Yet, the deployment of Spiking Neural Networks (SNNs) in this domain is hampered by their inherent sequential computational dependency. This constraint arises from the need for each time step's processing to rely on the prec...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
false
425,615
2410.05269
Data Advisor: Dynamic Data Curation for Safety Alignment of Large Language Models
Data is a crucial element in large language model (LLM) alignment. Recent studies have explored using LLMs for efficient data collection. However, LLM-generated data often suffers from quality issues, with underrepresented or absent aspects and low-quality datapoints. To address these problems, we propose Data Advisor,...
false
false
false
false
true
false
true
false
true
false
false
false
false
false
false
false
false
false
495,644
1903.01620
What to Expect of Classifiers? Reasoning about Logistic Regression with Missing Features
While discriminative classifiers often yield strong predictive performance, missing feature values at prediction time can still be a challenge. Classifiers may not behave as expected under certain ways of substituting the missing values, since they inherently make assumptions about the data distribution they were train...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
123,299
2404.13973
DEQ-MCL: Discrete-Event Queue-based Monte-Carlo Localization
Spatial cognition in hippocampal formation is posited to play a crucial role in the development of self-localization techniques for robots. In this paper, we propose a self-localization approach, DEQ-MCL, based on the discrete event queue hypothesis associated with phase precession within the hippocampal formation. Our...
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false
false
false
true
false
false
true
false
false
false
false
false
false
false
false
false
false
448,520
2403.01431
Image2Sentence based Asymmetrical Zero-shot Composed Image Retrieval
The task of composed image retrieval (CIR) aims to retrieve images based on the query image and the text describing the users' intent. Existing methods have made great progress with the advanced large vision-language (VL) model in CIR task, however, they generally suffer from two main issues: lack of labeled triplets f...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
434,412
2107.01057
Backward-Compatible Prediction Updates: A Probabilistic Approach
When machine learning systems meet real world applications, accuracy is only one of several requirements. In this paper, we assay a complementary perspective originating from the increasing availability of pre-trained and regularly improving state-of-the-art models. While new improved models develop at a fast pace, dow...
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false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
244,361
2303.15433
Anti-DreamBooth: Protecting users from personalized text-to-image synthesis
Text-to-image diffusion models are nothing but a revolution, allowing anyone, even without design skills, to create realistic images from simple text inputs. With powerful personalization tools like DreamBooth, they can generate images of a specific person just by learning from his/her few reference images. However, wh...
false
false
false
false
false
false
true
false
false
false
false
true
true
false
false
false
false
false
354,489
2403.10290
Offline Goal-Conditioned Reinforcement Learning for Shape Control of Deformable Linear Objects
Deformable objects present several challenges to the field of robotic manipulation. One of the tasks that best encapsulates the difficulties arising due to non-rigid behavior is shape control, which requires driving an object to a desired shape. While shape-servoing methods have been shown successful in contexts with a...
false
false
false
false
false
false
false
true
false
false
true
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false
false
false
false
false
false
438,133
2310.20246
Breaking Language Barriers in Multilingual Mathematical Reasoning: Insights and Observations
Existing research predominantly focuses on developing powerful language learning models (LLMs) for mathematical reasoning within monolingual languages, with few explorations in preserving efficacy in a multilingual context. To bridge this gap, this paper pioneers exploring and training powerful Multilingual Math Reason...
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false
false
false
true
false
false
false
true
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false
false
false
false
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false
false
404,317
2304.06412
Quantifying and Explaining Machine Learning Uncertainty in Predictive Process Monitoring: An Operations Research Perspective
This paper introduces a comprehensive, multi-stage machine learning methodology that effectively integrates information systems and artificial intelligence to enhance decision-making processes within the domain of operations research. The proposed framework adeptly addresses common limitations of existing solutions, su...
false
false
false
false
true
false
true
false
false
false
false
false
false
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false
false
false
357,970
1304.1086
Integrating Probabilistic, Taxonomic and Causal Knowledge in Abductive Diagnosis
We propose an abductive diagnosis theory that integrates probabilistic, causal and taxonomic knowledge. Probabilistic knowledge allows us to select the most likely explanation; causal knowledge allows us to make reasonable independence assumptions; taxonomic knowledge allows causation to be modeled at different levels ...
false
false
false
false
true
false
false
false
false
false
false
false
false
false
false
false
false
false
23,439
2011.01046
NEARL: Non-Explicit Action Reinforcement Learning for Robotic Control
Traditionally, reinforcement learning methods predict the next action based on the current state. However, in many situations, directly applying actions to control systems or robots is dangerous and may lead to unexpected behaviors because action is rather low-level. In this paper, we propose a novel hierarchical reinf...
false
false
false
false
true
false
true
true
false
false
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false
false
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false
false
false
false
204,463
2402.06921
Clustering Techniques Selection for a Hybrid Regression Model: A Case Study Based on a Solar Thermal System
This work addresses the performance comparison between four clustering techniques with the objective of achieving strong hybrid models in supervised learning tasks. A real dataset from a bio-climatic house named Sotavento placed on experimental wind farm and located in Xermade (Lugo) in Galicia (Spain) has been collect...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
true
false
false
false
428,487
2308.05739
Zero Grads: Learning Local Surrogate Losses for Non-Differentiable Graphics
Gradient-based optimization is now ubiquitous across graphics, but unfortunately can not be applied to problems with undefined or zero gradients. To circumvent this issue, the loss function can be manually replaced by a ``surrogate'' that has similar minima but is differentiable. Our proposed framework, ZeroGrads, auto...
false
false
false
false
false
false
true
false
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true
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false
false
true
384,891
2211.10764
Understanding the Bystander Effect on Toxic Twitter Conversations
In this study, we explore the power of group dynamics to shape the toxicity of Twitter conversations. First, we examine how the presence of others in a conversation can potentially diffuse Twitter users' responsibility to address a toxic direct reply. Second, we examine whether the toxicity of the first direct reply to...
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false
false
true
false
false
false
false
false
false
false
false
false
true
false
false
false
false
331,429
2407.02547
Domain Generalizable Knowledge Tracing via Concept Aggregation and Relation-Based Attention
Knowledge Tracing (KT) is a critical task in online education systems, aiming to monitor students' knowledge states throughout a learning period. Common KT approaches involve predicting the probability of a student correctly answering the next question based on their exercise history. However, these methods often suffe...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
false
false
469,790
1312.6978
Mod\`ele \`a processus latent et algorithme EM pour la r\'egression non lin\'eaire
A non linear regression approach which consists of a specific regression model incorporating a latent process, allowing various polynomial regression models to be activated preferentially and smoothly, is introduced in this paper. The model parameters are estimated by maximum likelihood performed via a dedicated expeca...
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false
false
false
false
false
true
false
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false
false
false
false
false
false
false
false
29,433
2203.14806
Extraction of Visual Information to Predict Crowdfunding Success
Researchers have increasingly turned to crowdfunding platforms to gain insights into entrepreneurial activity and dynamics. While previous studies have explored various factors influencing crowdfunding success, such as technology, communication, and marketing strategies, the role of visual elements that can be automati...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
true
288,136
2306.12343
Quantum R\'enyi and $f$-divergences from integral representations
Smooth Csisz\'ar $f$-divergences can be expressed as integrals over so-called hockey stick divergences. This motivates a natural quantum generalization in terms of quantum Hockey stick divergences, which we explore here. Using this recipe, the Kullback-Leibler divergence generalises to the Umegaki relative entropy, in ...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
374,909
2008.06266
Optimized Deep Encoder-Decoder Methods for Crack Segmentation
Surface crack segmentation poses a challenging computer vision task as background, shape, colour and size of cracks vary. In this work we propose optimized deep encoder-decoder methods consisting of a combination of techniques which yield an increase in crack segmentation performance. Specifically we propose a decoder-...
false
false
false
false
false
false
false
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true
false
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false
false
191,755
1507.05681
A Tractable Analysis of the Improvement in Unique Localizability Through Collaboration
In this paper, we mathematically characterize the improvement in device localizability achieved by allowing collaboration among devices. Depending on the detection sensitivity of the receivers in the devices, it is not unusual for a device to be localized to lack a sufficient number of detectable positioning signals fr...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
45,310
2303.17158
KD-DLGAN: Data Limited Image Generation via Knowledge Distillation
Generative Adversarial Networks (GANs) rely heavily on large-scale training data for training high-quality image generation models. With limited training data, the GAN discriminator often suffers from severe overfitting which directly leads to degraded generation especially in generation diversity. Inspired by the rece...
false
false
false
false
false
false
false
false
false
false
false
true
false
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false
false
false
false
355,125
2311.06311
Game Theory Solutions in Sensor-Based Human Activity Recognition: A Review
The Human Activity Recognition (HAR) tasks automatically identify human activities using the sensor data, which has numerous applications in healthcare, sports, security, and human-computer interaction. Despite significant advances in HAR, critical challenges still exist. Game theory has emerged as a promising solution...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
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false
false
true
406,895
2305.19713
Red Teaming Language Model Detectors with Language Models
The prevalence and strong capability of large language models (LLMs) present significant safety and ethical risks if exploited by malicious users. To prevent the potentially deceptive usage of LLMs, recent works have proposed algorithms to detect LLM-generated text and protect LLMs. In this paper, we investigate the ro...
false
false
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
false
369,651
2108.08090
CollaborER: A Self-supervised Entity Resolution Framework Using Multi-features Collaboration
Entity Resolution (ER) aims to identify whether two tuples refer to the same real-world entity and is well-known to be labor-intensive. It is a prerequisite to anomaly detection, as comparing the attribute values of two matched tuples from two different datasets provides one effective way to detect anomalies. Existing ...
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
false
true
false
251,131
2003.07849
Blur, Noise, and Compression Robust Generative Adversarial Networks
Generative adversarial networks (GANs) have gained considerable attention owing to their ability to reproduce images. However, they can recreate training images faithfully despite image degradation in the form of blur, noise, and compression, generating similarly degraded images. To solve this problem, the recently pro...
false
false
false
false
false
false
true
false
false
false
false
true
false
false
false
false
false
false
168,561
2307.12661
Algorithmic construction of Lyapunov functions for continuous vector fields via convex semi-infinite programs
This article presents a novel numerically tractable technique for synthesizing Lyapunov functions for equilibria of nonlinear vector fields. In broad strokes, corresponding to an isolated equilibrium point of a given vector field, a selection is made of a compact neighborhood of the equilibrium and a dictionary of func...
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
381,339
1801.09936
PEYMA: A Tagged Corpus for Persian Named Entities
The goal in the NER task is to classify proper nouns of a text into classes such as person, location, and organization. This is an important preprocessing step in many NLP tasks such as question-answering and summarization. Although many research studies have been conducted in this area in English and the state-of-the-...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
89,199
1806.06545
A Simple Reservoir Model of Working Memory with Real Values
The prefrontal cortex is known to be involved in many high-level cognitive functions, in particular, working memory. Here, we study to what extent a group of randomly connected units (namely an Echo State Network, ESN) can store and maintain (as output) an arbitrary real value from a streamed input, i.e. can act as a s...
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
true
false
false
100,726
1912.10204
A Machine Learning Framework for Authorship Identification From Texts
Authorship identification is a process in which the author of a text is identified. Most known literary texts can easily be attributed to a certain author because they are, for example, signed. Yet sometimes we find unfinished pieces of work or a whole bunch of manuscripts with a wide variety of possible authors. In or...
false
false
false
false
false
true
true
false
true
false
false
false
false
false
false
false
false
false
158,264
2305.02693
Semi-supervised Domain Adaptation via Prototype-based Multi-level Learning
In semi-supervised domain adaptation (SSDA), a few labeled target samples of each class help the model to transfer knowledge representation from the fully labeled source domain to the target domain. Many existing methods ignore the benefits of making full use of the labeled target samples from multi-level. To make bett...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
362,136
2207.06741
Differentiable Logics for Neural Network Training and Verification
The rising popularity of neural networks (NNs) in recent years and their increasing prevalence in real-world applications have drawn attention to the importance of their verification. While verification is known to be computationally difficult theoretically, many techniques have been proposed for solving it in practice...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
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false
false
true
307,977
2203.07643
Can Synthetic Translations Improve Bitext Quality?
Synthetic translations have been used for a wide range of NLP tasks primarily as a means of data augmentation. This work explores, instead, how synthetic translations can be used to revise potentially imperfect reference translations in mined bitext. We find that synthetic samples can improve bitext quality without any...
false
false
false
false
false
false
false
false
true
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false
false
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false
false
false
false
285,498
1603.03101
Recursive Recurrent Nets with Attention Modeling for OCR in the Wild
We present recursive recurrent neural networks with attention modeling (R$^2$AM) for lexicon-free optical character recognition in natural scene images. The primary advantages of the proposed method are: (1) use of recursive convolutional neural networks (CNNs), which allow for parametrically efficient and effective im...
false
false
false
false
false
false
false
false
false
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false
true
false
false
false
false
false
false
53,076
2010.11148
FastEmit: Low-latency Streaming ASR with Sequence-level Emission Regularization
Streaming automatic speech recognition (ASR) aims to emit each hypothesized word as quickly and accurately as possible. However, emitting fast without degrading quality, as measured by word error rate (WER), is highly challenging. Existing approaches including Early and Late Penalties and Constrained Alignments penaliz...
false
false
true
false
true
false
true
false
true
false
false
false
false
false
false
false
false
false
202,138
2006.11513
Deep Learning based Radio Resource Management in NOMA Networks: User Association, Subchannel and Power Allocation
With the rapid development of future wireless communication, the combination of NOMA technology and millimeter-wave(mmWave) technology has become a research hotspot. The application of NOMA in mmWave heterogeneous networks can meet the diverse needs of users in different applications and scenarios in future communicati...
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
183,268
2411.02149
Improving Domain Generalization in Self-supervised Monocular Depth Estimation via Stabilized Adversarial Training
Learning a self-supervised Monocular Depth Estimation (MDE) model with great generalization remains significantly challenging. Despite the success of adversarial augmentation in the supervised learning generalization, naively incorporating it into self-supervised MDE models potentially causes over-regularization, suffe...
false
false
false
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
505,376
2410.12971
Self-Pluralising Culture Alignment for Large Language Models
As large language models (LLMs) become increasingly accessible in many countries, it is essential to align them to serve pluralistic human values across cultures. However, pluralistic culture alignment in LLMs remain an open problem. In this paper, we propose CultureSPA, a Self-Pluralising Culture Alignment framework t...
false
false
false
false
false
false
false
false
true
false
false
false
false
false
false
false
false
false
499,302
2406.16976
Efficient Evolutionary Search Over Chemical Space with Large Language Models
Molecular discovery, when formulated as an optimization problem, presents significant computational challenges because optimization objectives can be non-differentiable. Evolutionary Algorithms (EAs), often used to optimize black-box objectives in molecular discovery, traverse chemical space by performing random mutati...
false
false
false
false
true
false
true
false
false
false
false
false
false
false
false
true
false
false
467,375
1804.04168
Differentiable Learning of Quantum Circuit Born Machine
Quantum circuit Born machines are generative models which represent the probability distribution of classical dataset as quantum pure states. Computational complexity considerations of the quantum sampling problem suggest that the quantum circuits exhibit stronger expressibility compared to classical neural networks. O...
false
false
false
false
false
false
true
false
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false
94,769
1811.12787
A Tutorial for Weighted Bipolar Argumentation with Continuous Dynamical Systems and the Java Library Attractor
Weighted bipolar argumentation frameworks allow modeling decision problems and online discussions by defining arguments and their relationships. The strength of arguments can be computed based on an initial weight and the strength of attacking and supporting arguments. While previous approaches assumed an acyclic argum...
false
false
false
false
true
false
false
false
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false
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false
false
115,095
1305.6003
Exploiting Self-Interference Suppression for Improved Spectrum Awareness/Efficiency in Cognitive Radio Systems
Inspired by recent developments in full-duplex communications, we propose and study new modes of operation for cognitive radios with the goal of achieving improved primary user (PU) detection and/or secondary user (SU) throughput. Specifically, we consider an opportunistic PU/SU setting in which the SU is equipped with...
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false
false
false
false
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true
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false
true
24,809
2407.10640
Error Bounds for the Network Scale-Up Method
Epidemiologists and social scientists have used the Network Scale-Up Method (NSUM) for over thirty years to estimate the size of a hidden sub-population within a social network. This method involves querying a subset of network nodes about the number of their neighbours belonging to the hidden sub-population. In genera...
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false
false
true
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false
false
true
473,061
2412.10392
Computational Methods for Breast Cancer Molecular Profiling through Routine Histopathology: A Review
Precision medicine has become a central focus in breast cancer management, advancing beyond conventional methods to deliver more precise and individualized therapies. Traditionally, histopathology images have been used primarily for diagnostic purposes; however, they are now recognized for their potential in molecular ...
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false
false
false
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true
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true
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false
false
516,898
2411.09268
LES-Talker: Fine-Grained Emotion Editing for Talking Head Generation in Linear Emotion Space
While existing one-shot talking head generation models have achieved progress in coarse-grained emotion editing, there is still a lack of fine-grained emotion editing models with high interpretability. We argue that for an approach to be considered fine-grained, it needs to provide clear definitions and sufficiently de...
false
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false
508,193