Unnamed: 0
int64
0
41k
title
stringlengths
4
274
category
stringlengths
5
18
summary
stringlengths
22
3.66k
theme
stringclasses
8 values
28,402
Hierarchical Label Inference for Video Classification
cs.CV
Videos are a rich source of high-dimensional structured data, with a wide range of interacting components at varying levels of granularity. In order to improve understanding of unconstrained internet videos, it is important to consider the role of labels at separate levels of abstraction. In this paper, we consider the...
computer science
28,403
Face Clustering: Representation and Pairwise Constraints
cs.CV
Clustering face images according to their identity has two important applications: (i) grouping a collection of face images when no external labels are associated with images, and (ii) indexing for efficient large scale face retrieval. The clustering problem is composed of two key parts: face representation and choice ...
computer science
28,404
Symplectomorphic registration with phase space regularization by entropy spectrum pathways
cs.CV
The ability to register image data to a common coordinate system is a critical feature of virtually all imaging studies that require multiple subject analysis, combining single subject data from multiple modalities, or both. However, in spite of the abundance of literature on the subject and the existence of several va...
computer science
28,405
The Monkeytyping Solution to the YouTube-8M Video Understanding Challenge
cs.CV
This article describes the final solution of team monkeytyping, who finished in second place in the YouTube-8M video understanding challenge. The dataset used in this challenge is a large-scale benchmark for multi-label video classification. We extend the work in [1] and propose several improvements for frame sequence ...
computer science
28,406
A Fully Trainable Network with RNN-based Pooling
cs.CV
Pooling is an important component in convolutional neural networks (CNNs) for aggregating features and reducing computational burden. Compared with other components such as convolutional layers and fully connected layers which are completely learned from data, the pooling component is still handcrafted such as max pool...
computer science
28,407
Dynamic Filters in Graph Convolutional Networks
cs.CV
Convolutional neural networks (CNNs) have massively impacted visual recognition in 2D images, and are now ubiquitous in state-of-the-art approaches. While CNNs naturally extend to other domains, such as audio and video, where data is also organized in rectangular grids, they do not easily generalize to other types of d...
computer science
28,408
Self-ensembling for visual domain adaptation
cs.CV
This paper explores the use of self-ensembling for visual domain adaptation problems. Our technique is derived from the mean teacher variant (Tarvainen et al., 2017) of temporal ensembling (Laine et al;, 2017), a technique that achieved state of the art results in the area of semi-supervised learning. We introduce a nu...
computer science
28,409
Perceptual Generative Adversarial Networks for Small Object Detection
cs.CV
Detecting small objects is notoriously challenging due to their low resolution and noisy representation. Existing object detection pipelines usually detect small objects through learning representations of all the objects at multiple scales. However, the performance gain of such ad hoc architectures is usually limited ...
computer science
28,410
Block-Matching Optical Flow for Dynamic Vision Sensor- Algorithm and FPGA Implementation
cs.CV
Rapid and low power computation of optical flow (OF) is potentially useful in robotics. The dynamic vision sensor (DVS) event camera produces quick and sparse output, and has high dynamic range, but conventional OF algorithms are frame-based and cannot be directly used with event-based cameras. Previous DVS OF methods ...
computer science
28,411
Truly Multi-modal YouTube-8M Video Classification with Video, Audio, and Text
cs.CV
The YouTube-8M video classification challenge requires teams to classify 0.7 million videos into one or more of 4,716 classes. In this Kaggle competition, we placed in the top 3% out of 650 participants using released video and audio features. Beyond that, we extend the original competition by including text informatio...
computer science
28,412
Rotation Invariance Neural Network
cs.CV
Rotation invariance and translation invariance have great values in image recognition tasks. In this paper, we bring a new architecture in convolutional neural network (CNN) named cyclic convolutional layer to achieve rotation invariance in 2-D symbol recognition. We can also get the position and orientation of the 2-D...
computer science
28,413
Rethinking Atrous Convolution for Semantic Image Segmentation
cs.CV
In this work, we revisit atrous convolution, a powerful tool to explicitly adjust filter's field-of-view as well as control the resolution of feature responses computed by Deep Convolutional Neural Networks, in the application of semantic image segmentation. To handle the problem of segmenting objects at multiple scale...
computer science
28,414
Dimensionality Reduction using Similarity-induced Embeddings
cs.CV
The vast majority of Dimensionality Reduction (DR) techniques rely on second-order statistics to define their optimization objective. Even though this provides adequate results in most cases, it comes with several shortcomings. The methods require carefully designed regularizers and they are usually prone to outliers. ...
computer science
28,415
Tversky loss function for image segmentation using 3D fully convolutional deep networks
cs.CV
Fully convolutional deep neural networks carry out excellent potential for fast and accurate image segmentation. One of the main challenges in training these networks is data imbalance, which is particularly problematic in medical imaging applications such as lesion segmentation where the number of lesion voxels is oft...
computer science
28,416
Using Deep Networks for Drone Detection
cs.CV
Drone detection is the problem of finding the smallest rectangle that encloses the drone(s) in a video sequence. In this study, we propose a solution using an end-to-end object detection model based on convolutional neural networks. To solve the scarce data problem for training the network, we propose an algorithm for ...
computer science
28,417
3D Convolutional Neural Networks for Cross Audio-Visual Matching Recognition
cs.CV
Audio-visual recognition (AVR) has been considered as a solution for speech recognition tasks when the audio is corrupted, as well as a visual recognition method used for speaker verification in multi-speaker scenarios. The approach of AVR systems is to leverage the extracted information from one modality to improve th...
computer science
28,418
An Entropy-based Pruning Method for CNN Compression
cs.CV
This paper aims to simultaneously accelerate and compress off-the-shelf CNN models via filter pruning strategy. The importance of each filter is evaluated by the proposed entropy-based method first. Then several unimportant filters are discarded to get a smaller CNN model. Finally, fine-tuning is adopted to recover its...
computer science
28,419
Histograms of Gaussian normal distribution for feature matching in clutter scenes
cs.CV
3D feature descriptor provide information between corresponding models and scenes. 3D objection recognition in cluttered scenes, however, remains a largely unsolved problem. Practical applications impose several challenges which are not fully addressed by existing methods. Especially in cluttered scenes there are many ...
computer science
28,420
Deep learning with spatiotemporal consistency for nerve segmentation in ultrasound images
cs.CV
Ultrasound-Guided Regional Anesthesia (UGRA) has been gaining importance in the last few years, offering numerous advantages over alternative methods of nerve localization (neurostimulation or paraesthesia). However, nerve detection is one of the most tasks that anaesthetists can encounter in the UGRA procedure. Comput...
computer science
28,421
Pedestrian Prediction by Planning using Deep Neural Networks
cs.CV
Accurate traffic participant prediction is the prerequisite for collision avoidance of autonomous vehicles. In this work, we predict pedestrians by emulating their own motion planning. From online observations, we infer a mixture density function for possible destinations. We use this result as the goal states of a pla...
computer science
28,422
Ranking to Learn and Learning to Rank: On the Role of Ranking in Pattern Recognition Applications
cs.CV
The last decade has seen a revolution in the theory and application of machine learning and pattern recognition. Through these advancements, variable ranking has emerged as an active and growing research area and it is now beginning to be applied to many new problems. The rationale behind this fact is that many pattern...
computer science
28,423
Bayesian Joint Modelling for Object Localisation in Weakly Labelled Images
cs.CV
We address the problem of localisation of objects as bounding boxes in images and videos with weak labels. This weakly supervised object localisation problem has been tackled in the past using discriminative models where each object class is localised independently from other classes. In this paper, a novel framework b...
computer science
28,424
Endoscopic Depth Measurement and Super-Spectral-Resolution Imaging
cs.CV
Intra-operative measurements of tissue shape and multi/ hyperspectral information have the potential to provide surgical guidance and decision making support. We report an optical probe based system to combine sparse hyperspectral measurements and spectrally-encoded structured lighting (SL) for surface measurements. Th...
computer science
28,425
Satellite Imagery Feature Detection using Deep Convolutional Neural Network: A Kaggle Competition
cs.CV
This paper describes our approach to the DSTL Satellite Imagery Feature Detection challenge run by Kaggle. The primary goal of this challenge is accurate semantic segmentation of different classes in satellite imagery. Our approach is based on an adaptation of fully convolutional neural network for multispectral data p...
computer science
28,426
Multi-Target Tracking in Multiple Non-Overlapping Cameras using Constrained Dominant Sets
cs.CV
In this paper, a unified three-layer hierarchical approach for solving tracking problems in multiple non-overlapping cameras is proposed. Given a video and a set of detections (obtained by any person detector), we first solve within-camera tracking employing the first two layers of our framework and, then, in the third...
computer science
28,427
Low Resolution Face Recognition Using a Two-Branch Deep Convolutional Neural Network Architecture
cs.CV
We propose a novel couple mappings method for low resolution face recognition using deep convolutional neural networks (DCNNs). The proposed architecture consists of two branches of DCNNs to map the high and low resolution face images into a common space with nonlinear transformations. The branch corresponding to trans...
computer science
28,428
Learning-based Ensemble Average Propagator Estimation
cs.CV
By capturing the anisotropic water diffusion in tissue, diffusion magnetic resonance imaging (dMRI) provides a unique tool for noninvasively probing the tissue microstructure and orientation in the human brain. The diffusion profile can be described by the ensemble average propagator (EAP), which is inferred from obser...
computer science
28,429
Multi-frame image super-resolution with fast upscaling technique
cs.CV
Multi-frame image super-resolution (MISR) aims to fuse information in low-resolution (LR) image sequence to compose a high-resolution (HR) one, which is applied extensively in many areas recently. Different with single image super-resolution (SISR), sub-pixel transitions between multiple frames introduce additional inf...
computer science
28,430
Using Artificial Tokens to Control Languages for Multilingual Image Caption Generation
cs.CV
Recent work in computer vision has yielded impressive results in automatically describing images with natural language. Most of these systems generate captions in a sin- gle language, requiring multiple language-specific models to build a multilingual captioning system. We propose a very simple technique to build a sin...
computer science
28,431
Clustering-Based Quantisation for PDE-Based Image Compression
cs.CV
Finding optimal data for inpainting is a key problem in the context of partial differential equation based image compression. The data that yields the most accurate reconstruction is real-valued. Thus, quantisation models are mandatory to allow an efficient encoding. These can also be understood as challenging data clu...
computer science
28,432
Outlier Regularization for Vector Data and L21 Norm Robustness
cs.CV
In many real-world applications, data usually contain outliers. One popular approach is to use L2,1 norm function as a robust error/loss function. However, the robustness of L2,1 norm function is not well understood so far. In this paper, we propose a new Vector Outlier Regularization (VOR) framework to understand and ...
computer science
28,433
The Compressed Model of Residual CNDS
cs.CV
Convolutional neural networks have achieved a great success in the recent years. Although, the way to maximize the performance of the convolutional neural networks still in the beginning. Furthermore, the optimization of the size and the time that need to train the convolutional neural networks is very far away from re...
computer science
28,434
A comparative study of breast surface reconstruction for aesthetic outcome assessment
cs.CV
Breast cancer is the most prevalent cancer type in women, and while its survival rate is generally high the aesthetic outcome is an increasingly important factor when evaluating different treatment alternatives. 3D scanning and reconstruction techniques offer a flexible tool for building detailed and accurate 3D breast...
computer science
28,435
Co-Fusion: Real-time Segmentation, Tracking and Fusion of Multiple Objects
cs.CV
In this paper we introduce Co-Fusion, a dense SLAM system that takes a live stream of RGB-D images as input and segments the scene into different objects (using either motion or semantic cues) while simultaneously tracking and reconstructing their 3D shape in real time. We use a multiple model fitting approach where ea...
computer science
28,436
Using Convolutional Neural Networks in Robots with Limited Computational Resources: Detecting NAO Robots while Playing Soccer
cs.CV
The main goal of this paper is to analyze the general problem of using Convolutional Neural Networks (CNNs) in robots with limited computational capabilities, and to propose general design guidelines for their use. In addition, two different CNN based NAO robot detectors that are able to run in real-time while playing ...
computer science
28,437
Compact Tensor Pooling for Visual Question Answering
cs.CV
Performing high level cognitive tasks requires the integration of feature maps with drastically different structure. In Visual Question Answering (VQA) image descriptors have spatial structures, while lexical inputs inherently follow a temporal sequence. The recently proposed Multimodal Compact Bilinear pooling (MCB) f...
computer science
28,438
GPGPU Acceleration of the KAZE Image Feature Extraction Algorithm
cs.CV
The recently proposed open-source KAZE image feature detection and description algorithm offers unprecedented performance in comparison to conventional ones like SIFT and SURF as it relies on nonlinear scale spaces instead of Gaussian linear scale spaces. The improved performance, however, comes with a significant comp...
computer science
28,439
Saliency Guided End-to-End Learning for Weakly Supervised Object Detection
cs.CV
Weakly supervised object detection (WSOD), which is the problem of learning detectors using only image-level labels, has been attracting more and more interest. However, this problem is quite challenging due to the lack of location supervision. To address this issue, this paper integrates saliency into a deep architect...
computer science
28,440
Object Detection Using Deep CNNs Trained on Synthetic Images
cs.CV
The need for large annotated image datasets for training Convolutional Neural Networks (CNNs) has been a significant impediment for their adoption in computer vision applications. We show that with transfer learning an effective object detector can be trained almost entirely on synthetically rendered datasets. We apply...
computer science
28,441
GM-Net: Learning Features with More Efficiency
cs.CV
Deep Convolutional Neural Networks (CNNs) are capable of learning unprecedentedly effective features from images. Some researchers have struggled to enhance the parameters' efficiency using grouped convolution. However, the relation between the optimal number of convolutional groups and the recognition performance rema...
computer science
28,442
Learnable pooling with Context Gating for video classification
cs.CV
Current methods for video analysis often extract frame-level features using pre-trained convolutional neural networks (CNNs). Such features are then aggregated over time e.g., by simple temporal averaging or more sophisticated recurrent neural networks such as long short-term memory (LSTM) or gated recurrent units (GRU...
computer science
28,443
Class-specific image denoising using importance sampling
cs.CV
In this paper, we propose a new image denoising method, tailored to specific classes of images, assuming that a dataset of clean images of the same class is available. Similarly to the non-local means (NLM) algorithm, the proposed method computes a weighted average of non-local patches, which we interpret under the imp...
computer science
28,444
Graphcut Texture Synthesis for Single-Image Superresolution
cs.CV
Texture synthesis has proven successful at imitating a wide variety of textures. Adding additional constraints (in the form of a low-resolution version of the texture to be synthesized) makes it possible to use texture synthesis methods for texture superresolution.
computer science
28,445
Scalable Online Convolutional Sparse Coding
cs.CV
Convolutional sparse coding (CSC) improves sparse coding by learning a shift-invariant dictionary from the data. However, existing CSC algorithms operate in the batch mode and are expensive, in terms of both space and time, on large datasets. In this paper, we alleviate these problems by using online learning. The key ...
computer science
28,446
Two-Stream Convolutional Networks for Dynamic Texture Synthesis
cs.CV
We introduce a two-stream model for dynamic texture synthesis. Our model is based on pre-trained convolutional networks (ConvNets) that target two independent tasks: (i) object recognition, and (ii) optical flow prediction. Given an input dynamic texture, statistics of filter responses from the object recognition ConvN...
computer science
28,447
Uncertainty-Aware Organ Classification for Surgical Data Science Applications in Laparoscopy
cs.CV
Objective: Surgical data science is evolving into a research field that aims to observe everything occurring within and around the treatment process to provide situation-aware data-driven assistance. In the context of endoscopic video analysis, the accurate classification of organs in the field of view of the camera pr...
computer science
28,448
Personalized Automatic Estimation of Self-reported Pain Intensity from Facial Expressions
cs.CV
Pain is a personal, subjective experience that is commonly evaluated through visual analog scales (VAS). While this is often convenient and useful, automatic pain detection systems can reduce pain score acquisition efforts in large-scale studies by estimating it directly from the participants' facial expressions. In th...
computer science
28,449
Comparison of Time-Frequency Representations for Environmental Sound Classification using Convolutional Neural Networks
cs.CV
Recent successful applications of convolutional neural networks (CNNs) to audio classification and speech recognition have motivated the search for better input representations for more efficient training. Visual displays of an audio signal, through various time-frequency representations such as spectrograms offer a ri...
computer science
28,450
A Novel VHR Image Change Detection Algorithm Based on Image Fusion and Fuzzy C-Means Clustering
cs.CV
This thesis describes a study to perform change detection on Very High Resolution satellite images using image fusion based on 2D Discrete Wavelet Transform and Fuzzy C-Means clustering algorithm. Multiple other methods are also quantitatively and qualitatively compared in this study.
computer science
28,451
Synthesis of Near-regular Natural Textures
cs.CV
Texture synthesis is widely used in the field of computer graphics, vision, and image processing. In the present paper, a texture synthesis algorithm is proposed for near-regular natural textures with the help of a representative periodic pattern extracted from the input textures using distance matching function. Local...
computer science
28,452
A Self-Adaptive Proposal Model for Temporal Action Detection based on Reinforcement Learning
cs.CV
Existing action detection algorithms usually generate action proposals through an extensive search over the video at multiple temporal scales, which brings about huge computational overhead and deviates from the human perception procedure. We argue that the process of detecting actions should be naturally one of observ...
computer science
28,453
Fast Estimation of Haemoglobin Concentration in Tissue Via Wavelet Decomposition
cs.CV
Tissue oxygenation and perfusion can be an indicator for organ viability during minimally invasive surgery, for example allowing real-time assessment of tissue perfusion and oxygen saturation. Multispectral imaging is an optical modality that can inspect tissue perfusion in wide field images without contact. In this pa...
computer science
28,454
A Computer Vision Pipeline for Automated Determination of Cardiac Structure and Function and Detection of Disease by Two-Dimensional Echocardiography
cs.CV
Automated cardiac image interpretation has the potential to transform clinical practice in multiple ways including enabling low-cost serial assessment of cardiac function in the primary care and rural setting. We hypothesized that advances in computer vision could enable building a fully automated, scalable analysis pi...
computer science
28,455
Deep Supervision for Pancreatic Cyst Segmentation in Abdominal CT Scans
cs.CV
Automatic segmentation of an organ and its cystic region is a prerequisite of computer-aided diagnosis. In this paper, we focus on pancreatic cyst segmentation in abdominal CT scan. This task is important and very useful in clinical practice yet challenging due to the low contrast in boundary, the variability in locati...
computer science
28,456
Tracking Single-Cells in Overcrowded Bacterial Colonies
cs.CV
Cell tracking enables data extraction from time-lapse "cell movies" and promotes modeling biological processes at the single-cell level. We introduce a new fully automated computational strategy to track accurately cells across frames in time-lapse movies. Our method is based on a dynamic neighborhoods formation and ma...
computer science
28,457
Fine-Grained Categorization via CNN-Based Automatic Extraction and Integration of Object-Level and Part-Level Features
cs.CV
Fine-grained categorization can benefit from part-based features which reveal subtle visual differences between object categories. Handcrafted features have been widely used for part detection and classification. Although a recent trend seeks to learn such features automatically using powerful deep learning models such...
computer science
28,458
Learning Spatial-Aware Regressions for Visual Tracking
cs.CV
In this paper, we analyze the spatial information of deep features, and propose two complementary regressions for robust visual tracking. First, we propose a kernelized ridge regression model wherein the kernel value is defined as the weighted sum of similarity scores of all pairs of patches between two samples. We sho...
computer science
28,459
Fractal dimension analysis for automatic morphological galaxy classification
cs.CV
In this report we present experimental results using \emph{Haussdorf-Besicovich} fractal dimension for performing morphological galaxy classification. The fractal dimension is a topological, structural and spatial property that give us information about the space were an object lives. We have calculated the fractal dim...
computer science
28,460
Deep Hashing Network for Unsupervised Domain Adaptation
cs.CV
In recent years, deep neural networks have emerged as a dominant machine learning tool for a wide variety of application domains. However, training a deep neural network requires a large amount of labeled data, which is an expensive process in terms of time, labor and human expertise. Domain adaptation or transfer lear...
computer science
28,461
Nonlinear Embedding Transform for Unsupervised Domain Adaptation
cs.CV
The problem of domain adaptation (DA) deals with adapting classifier models trained on one data distribution to different data distributions. In this paper, we introduce the Nonlinear Embedding Transform (NET) for unsupervised DA by combining domain alignment along with similarity-based embedding. We also introduce a v...
computer science
28,462
Coupled Support Vector Machines for Supervised Domain Adaptation
cs.CV
Popular domain adaptation (DA) techniques learn a classifier for the target domain by sampling relevant data points from the source and combining it with the target data. We present a Support Vector Machine (SVM) based supervised DA technique, where the similarity between source and target domains is modeled as the sim...
computer science
28,463
Multiresolution Match Kernels for Gesture Video Classification
cs.CV
The emergence of depth imaging technologies like the Microsoft Kinect has renewed interest in computational methods for gesture classification based on videos. For several years now, researchers have used the Bag-of-Features (BoF) as a primary method for generation of feature vectors from video data for recognition of ...
computer science
28,464
Listen to Your Face: Inferring Facial Action Units from Audio Channel
cs.CV
Extensive efforts have been devoted to recognizing facial action units (AUs). However, it is still challenging to recognize AUs from spontaneous facial displays especially when they are accompanied with speech. Different from all prior work that utilized visual observations for facial AU recognition, this paper present...
computer science
28,465
Sampling Matters in Deep Embedding Learning
cs.CV
Deep embeddings answer one simple question: How similar are two images? Learning these embeddings is the bedrock of verification, zero-shot learning, and visual search. The most prominent approaches optimize a deep convolutional network with a suitable loss function, such as contrastive loss or triplet loss. While a ri...
computer science
28,466
Joint Prediction of Depths, Normals and Surface Curvature from RGB Images using CNNs
cs.CV
Understanding the 3D structure of a scene is of vital importance, when it comes to developing fully autonomous robots. To this end, we present a novel deep learning based framework that estimates depth, surface normals and surface curvature by only using a single RGB image. To the best of our knowledge this is the firs...
computer science
28,467
Computer-aided implant design for the restoration of cranial defects
cs.CV
Patient-specific cranial implants are important and necessary in the surgery of cranial defect restoration. However, traditional methods of manual design of cranial implants are complicated and time-consuming. Our purpose is to develop a novel software named EasyCrania to design the cranial implants conveniently and ef...
computer science
28,468
Training Adversarial Discriminators for Cross-channel Abnormal Event Detection in Crowds
cs.CV
Abnormal crowd behaviour detection attracts a large interest due to its importance in video surveillance scenarios. However, the ambiguity and the lack of sufficient "abnormal" ground truth data makes end-to-end training of large deep networks hard in this domain. In this paper we propose to use Generative Adversarial ...
computer science
28,469
On Detection of Faint Edges in Noisy Images
cs.CV
A fundamental question for edge detection in noisy images is how faint can an edge be and still be detected. In this paper we offer a formalism to study this question and subsequently introduce computationally efficient multiscale edge detection algorithms designed to detect faint edges in noisy images. In our formalis...
computer science
28,470
Fundamental Matrix Estimation: A Study of Error Criteria
cs.CV
The fundamental matrix (FM) describes the geometric relations that exist between two images of the same scene. Different error criteria are used for estimating FMs from an input set of correspondences. In this paper, the accuracy and efficiency aspects of the different error criteria were studied. We mathematically and...
computer science
28,471
Deep Mixture of Diverse Experts for Large-Scale Visual Recognition
cs.CV
In this paper, a deep mixture of diverse experts algorithm is developed for seamlessly combining a set of base deep CNNs (convolutional neural networks) with diverse outputs (task spaces), e.g., such base deep CNNs are trained to recognize different subsets of tens of thousands of atomic object classes. First, a two-la...
computer science
28,472
Encoding Video and Label Priors for Multi-label Video Classification on YouTube-8M dataset
cs.CV
YouTube-8M is the largest video dataset for multi-label video classification. In order to tackle the multi-label classification on this challenging dataset, it is necessary to solve several issues such as temporal modeling of videos, label imbalances, and correlations between labels. We develop a deep neural network mo...
computer science
28,473
Irregular Convolutional Neural Networks
cs.CV
Convolutional kernels are basic and vital components of deep Convolutional Neural Networks (CNN). In this paper, we equip convolutional kernels with shape attributes to generate the deep Irregular Convolutional Neural Networks (ICNN). Compared to traditional CNN applying regular convolutional kernels like ${3\times3}$,...
computer science
28,474
Decomposing Motion and Content for Natural Video Sequence Prediction
cs.CV
We propose a deep neural network for the prediction of future frames in natural video sequences. To effectively handle complex evolution of pixels in videos, we propose to decompose the motion and content, two key components generating dynamics in videos. Our model is built upon the Encoder-Decoder Convolutional Neural...
computer science
28,475
Efficient and accurate monitoring of the depth information in a Wireless Multimedia Sensor Network based surveillance
cs.CV
Wireless Multimedia Sensor Network (WMSN) is a promising technology capturing rich multimedia data like audio and video, which can be useful to monitor an environment under surveillance. However, many scenarios in real time monitoring requires 3D depth information. In this research work, we propose to use the disparity...
computer science
28,476
FReLU: Flexible Rectified Linear Units for Improving Convolutional Neural Networks
cs.CV
Rectified linear unit (ReLU) is a widely used activation function for deep convolutional neural networks. However, because of the zero-hard rectification, ReLU networks miss the benefits from negative values. In this paper, we propose a novel activation function called \emph{flexible rectified linear unit (FReLU)} to f...
computer science
28,477
Detekcja upadku i wybranych akcji na sekwencjach obrazów cyfrowych
cs.CV
In recent years a growing interest on action recognition is observed, including detection of fall accident for the elderly. However, despite many efforts undertaken, the existing technology is not widely used by elderly, mainly because of its flaws like low precision, large number of false alarms, inadequate privacy pr...
computer science
28,478
Scalable multimodal convolutional networks for brain tumour segmentation
cs.CV
Brain tumour segmentation plays a key role in computer-assisted surgery. Deep neural networks have increased the accuracy of automatic segmentation significantly, however these models tend to generalise poorly to different imaging modalities than those for which they have been designed, thereby limiting their applicati...
computer science
28,479
ToolNet: Holistically-Nested Real-Time Segmentation of Robotic Surgical Tools
cs.CV
Real-time tool segmentation from endoscopic videos is an essential part of many computer-assisted robotic surgical systems and of critical importance in robotic surgical data science. We propose two novel deep learning architectures for automatic segmentation of non-rigid surgical instruments. Both methods take advanta...
computer science
28,480
Photometric Stereo by Hemispherical Metric Embedding
cs.CV
Photometric Stereo methods seek to reconstruct the 3d shape of an object from motionless images obtained with varying illumination. Most existing methods solve a restricted problem where the physical reflectance model, such as Lambertian reflectance, is known in advance. In contrast, we do not restrict ourselves to a s...
computer science
28,481
Robust Video-Based Eye Tracking Using Recursive Estimation of Pupil Characteristics
cs.CV
Video-based eye tracking is a valuable technique in various research fields. Numerous open-source eye tracking algorithms have been developed in recent years, primarily designed for general application with many different camera types. These algorithms do not, however, capitalize on the high frame rate of eye tracking ...
computer science
28,482
End-to-end Learning of Image based Lane-Change Decision
cs.CV
We propose an image based end-to-end learning framework that helps lane-change decisions for human drivers and autonomous vehicles. The proposed system, Safe Lane-Change Aid Network (SLCAN), trains a deep convolutional neural network to classify the status of adjacent lanes from rear view images acquired by cameras mou...
computer science
28,483
YoTube: Searching Action Proposal via Recurrent and Static Regression Networks
cs.CV
In this paper, we present YoTube-a novel network fusion framework for searching action proposals in untrimmed videos, where each action proposal corresponds to a spatialtemporal video tube that potentially locates one human action. Our method consists of a recurrent YoTube detector and a static YoTube detector, where t...
computer science
28,484
Multi-level SVM Based CAD Tool for Classifying Structural MRIs
cs.CV
The revolutionary developments in the field of supervised machine learning have paved way to the development of CAD tools for assisting doctors in diagnosis. Recently, the former has been employed in the prediction of neurological disorders such as Alzheimer's disease. We propose a CAD (Computer Aided Diagnosis tool fo...
computer science
28,485
Few-Example Object Detection with Model Communication
cs.CV
In this paper, we study object detection using a large pool of unlabeled images and only a few labeled images per category, named "few-example object detection". The key challenge consists in generating trustworthy training samples as many as possible from the pool. Using few training examples as seeds, our method iter...
computer science
28,486
Deep Semantics-Aware Photo Adjustment
cs.CV
Automatic photo adjustment is to mimic the photo retouching style of professional photographers and automatically adjust photos to the learned style. There have been many attempts to model the tone and the color adjustment globally with low-level color statistics. Also, spatially varying photo adjustment methods have b...
computer science
28,487
Skeleton-Based Action Recognition Using Spatio-Temporal LSTM Network with Trust Gates
cs.CV
Skeleton-based human action recognition has attracted a lot of research attention during the past few years. Recent works attempted to utilize recurrent neural networks to model the temporal dependencies between the 3D positional configurations of human body joints for better analysis of human activities in the skeleta...
computer science
28,488
Semantically Informed Multiview Surface Refinement
cs.CV
We present a method to jointly refine the geometry and semantic segmentation of 3D surface meshes. Our method alternates between updating the shape and the semantic labels. In the geometry refinement step, the mesh is deformed with variational energy minimization, such that it simultaneously maximizes photo-consistency...
computer science
28,489
Learning to Map Vehicles into Bird's Eye View
cs.CV
Awareness of the road scene is an essential component for both autonomous vehicles and Advances Driver Assistance Systems and is gaining importance both for the academia and car companies. This paper presents a way to learn a semantic-aware transformation which maps detections from a dashboard camera view onto a broade...
computer science
28,490
Paying More Attention to Saliency: Image Captioning with Saliency and Context Attention
cs.CV
Image captioning has been recently gaining a lot of attention thanks to the impressive achievements shown by deep captioning architectures, which combine Convolutional Neural Networks to extract image representations, and Recurrent Neural Networks to generate the corresponding captions. At the same time, a significant ...
computer science
28,491
Deep Network Flow for Multi-Object Tracking
cs.CV
Data association problems are an important component of many computer vision applications, with multi-object tracking being one of the most prominent examples. A typical approach to data association involves finding a graph matching or network flow that minimizes a sum of pairwise association costs, which are often eit...
computer science
28,492
Illuminating Pedestrians via Simultaneous Detection & Segmentation
cs.CV
Pedestrian detection is a critical problem in computer vision with significant impact on safety in urban autonomous driving. In this work, we explore how semantic segmentation can be used to boost pedestrian detection accuracy while having little to no impact on network efficiency. We propose a segmentation infusion ne...
computer science
28,493
Detecting Small Signs from Large Images
cs.CV
In the past decade, Convolutional Neural Networks (CNNs) have been demonstrated successful for object detections. However, the size of network input is limited by the amount of memory available on GPUs. Moreover, performance degrades when detecting small objects. To alleviate the memory usage and improve the performanc...
computer science
28,494
Robust Sonar ATR Through Bayesian Pose Corrected Sparse Classification
cs.CV
Sonar imaging has seen vast improvements over the last few decades due in part to advances in synthetic aperture Sonar (SAS). Sophisticated classification techniques can now be used in Sonar automatic target recognition (ATR) to locate mines and other threatening objects. Among the most promising of these methods is sp...
computer science
28,495
Do Deep Neural Networks Suffer from Crowding?
cs.CV
Crowding is a visual effect suffered by humans, in which an object that can be recognized in isolation can no longer be recognized when other objects, called flankers, are placed close to it. In this work, we study the effect of crowding in artificial Deep Neural Networks for object recognition. We analyze both standar...
computer science
28,496
Dense Non-rigid Structure-from-Motion Made Easy - A Spatial-Temporal Smoothness based Solution
cs.CV
This paper proposes a simple spatial-temporal smoothness based method for solving dense non-rigid structure-from-motion (NRSfM). First, we revisit the temporal smoothness and demonstrate that it can be extended to dense case directly. Second, we propose to exploit the spatial smoothness by resorting to the Laplacian of...
computer science
28,497
A Unified approach for Conventional Zero-shot, Generalized Zero-shot and Few-shot Learning
cs.CV
Prevalent techniques in zero-shot learning do not generalize well to other related problem scenarios. Here, we present a unified approach for conventional zero-shot, generalized zero-shot and few-shot learning problems. Our approach is based on a novel Class Adapting Principal Directions (CAPD) concept that allows mult...
computer science
28,498
Fast and accurate classification of echocardiograms using deep learning
cs.CV
Echocardiography is essential to modern cardiology. However, human interpretation limits high throughput analysis, limiting echocardiography from reaching its full clinical and research potential for precision medicine. Deep learning is a cutting-edge machine-learning technique that has been useful in analyzing medical...
computer science
28,499
Hierarchical Model for Long-term Video Prediction
cs.CV
Video prediction has been an active topic of research in the past few years. Many algorithms focus on pixel-level predictions, which generates results that blur and disintegrate within a few frames. In this project, we use a hierarchical approach for long-term video prediction. We aim at estimating high-level structure...
computer science
28,500
Large-scale Datasets: Faces with Partial Occlusions and Pose Variations in the Wild
cs.CV
Face detection methods have relied on face datasets for training. However, existing face datasets tend to be in small scales for face learning in both constrained and unconstrained environments. In this paper, we first introduce our large-scale image datasets, Large-scale Labeled Face (LSLF) and noisy Large-scale Label...
computer science
28,501
Independent Motion Detection with Event-driven Cameras
cs.CV
Unlike standard cameras that send intensity images at a constant frame rate, event-driven cameras asynchronously report pixel-level brightness changes, offering low latency and high temporal resolution (both in the order of micro-seconds). As such, they have great potential for fast and low power vision algorithms for ...
computer science