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"abstract": "In this paper, an image deeper forgery detection approach based on combined SIFT(scale invariant features transform) feature and Higher order Statistics, bi-coherence amplitude and phase features, is presented. For the foundation of image forgery detection based on SIFT feature, a deeper analysis based on bi-coherence features, distinguishing between the original source block of an image with its forgery counterpart, is performed. Firstly, SIFT keypoints features are extracted and matched by Euclidean distance, and all matched keypoints are clustered to two blocks which constitute to the two sub-images, respectively. Subsequently, the bi-coherence amplitude and phase features of the two sub-images are estimated. Our experiments are launched on three datasets corresponding to three image formats: BMP, PNG and JPEG. On Cal Photos dataset, the quantitative distribution of bi-coherence features has been estimated and on the other two datasets, the performance analysis of forgery detection and distinguishing has been provided. Experimental results demonstrate the efficiency of the method.",
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"affiliation": "Department of Internal Medicine, Haukeland University Hospital, Bergen, Norway",
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"abstract": "Ontology is applied to a real-world web intelligent question answering system in PC troubleshooting domain as an improvement, so semantic relations need to be extracted to construct ontology semi-automatically. The paper mainly pays attention to \"product-trouble\" relation and \"product-attribute\" relation. A two stage semantic relation extraction method is proposed. In stage one, relation identification is executed to produce high-precision relations instance as the seed for next stage; stage two is the actual relation extraction process, the related terms which describe troubleshooting information and attribute information are extracted based on association rules, then the terms is clustered to find target semantic relation. The relation extraction integrated the advantage of pattern-based and clustering-based methods. The experimental results show it is superior to individual pattern-based and clustering-based methods in precision and recall.",
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"fullName": "Jibin Fu",
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"fullName": "Xiaoming Liu",
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"title": "2016 IEEE Conference on Visual Analytics Science and Technology (VAST)",
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"title": "DimScanner: A relation-based visual exploration approach towards data dimension inspection",
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"abstract": "Exploring multi-dimensional datasets can be cumbersome if data analysts have little knowledge about the data. Various dimension relation inspection tools and dimension exploration tools have been proposed for efficient data examining and understanding. However, the needed workload varies largely with respect to data complexity and user expertise, which can only be reduced with rich background knowledge over the data. In this paper we address the workload challenge with a data structuring and exploration scheme that affords dimension relation detection and that serves as the background knowledge for further investigation. We contribute a novel data structuring scheme that leverages an information-theoretic view structuring algorithm to uncover information-aware relations among different data views, and thereby discloses redundancy and other relation patterns among dimensions. The integrated system, DimScanner, empowers analysts with rich user controls and assistance widgets to interactively detect the relations of multi-dimensional data.",
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"content": "Exploring multi-dimensional datasets can be cumbersome if data analysts have little knowledge about the data. Various dimension relation inspection tools and dimension exploration tools have been proposed for efficient data examining and understanding. However, the needed workload varies largely with respect to data complexity and user expertise, which can only be reduced with rich background knowledge over the data. In this paper we address the workload challenge with a data structuring and exploration scheme that affords dimension relation detection and that serves as the background knowledge for further investigation. We contribute a novel data structuring scheme that leverages an information-theoretic view structuring algorithm to uncover information-aware relations among different data views, and thereby discloses redundancy and other relation patterns among dimensions. The integrated system, DimScanner, empowers analysts with rich user controls and assistance widgets to interactively detect the relations of multi-dimensional data.",
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"Measurement",
"Two Dimensional Displays",
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"Visualization",
"Inspection",
"Data Exploration",
"High Dimensional Data Visualization",
"Information Aware Relation"
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"affiliation": "State Key Lab of CAD&CG, Zhejiang University, China",
"fullName": "Jing Xia",
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"affiliation": "State Key Lab of CAD&CG, Zhejiang University, China",
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"affiliation": "State Key Lab of CAD&CG, Zhejiang University, China",
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"abstract": "We propose a methodology for testing ultra-high-speed asynchronous pipelines, the latest and most promising asynchronous circuit design style. Unlike traditional delay-insensitive asynchronous micro-pipelines, which use slow capture-pass latches, these circuits employ aggressive handshaking protocols and transparent latches between fine-grain pipeline stages, in order to achieve high performance. Their functional robustness, however, relies on certain timing constraints that need to be satisfied. As a result, these circuits are no longer delay-insensitive, which means that stuck-at faults are not always leading to pipeline stalling. In addition, delay faults may result in violation of these timing constraints, thus affecting not only performance, as in delay-insensitive micro-pipelines, but also functional correctness. To address these new challenges, we develop a test method for both stuck-at and timing constraint violation faults in fine-grain ultra-high-speed asynchronous pipelines. The efficiency of the proposed method is demonstrated on MOUSETRAP, a recently developed pipeline for high-speed applications.",
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"doi": "10.1109/IPDPSW.2015.132",
"title": "On the Greenness of In-Situ and Post-Processing Visualization Pipelines",
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"abstract": "Post-processing visualization pipelines are traditionally used to gain insight from simulation data. However, changes to the system architecture for high-performance computing (HPC), dictated by the exascale goal, have limited the applicability of post-processing visualization. As an alternative, in-situ pipelines are proposed in order to enhance the knowledge discovery process via \"real-time\" visualization. Quantitative studies have already shown how in-situ visualization can improve performance and reduce storage needs at the cost of scientific exploration capabilities. However, to fully understand the trade-off space, a head-to-head comparison of power and energy (between the two types of visualization pipelines) is necessary. Thus, in this work, we study the greenness (i.e., Power, energy, and energy efficiency) of the in-situ and the post-processing visualization pipelines, using a proxy heat-transfer simulation as an example. For a realistic I/O load, the in-situ pipeline consumes 43% less energy than the post-processing pipeline. Contrary to expectations, our findings also show that only 9% of the total energy is saved by reducing off-chip data movement, while the rest of the savings comes from reducing the system idle time. This suggests an alternative set of optimization techniques for reducing the power consumption of the traditional post-processing pipeline.",
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"abstract": "Data science pipelines are a sequence of data processing steps that aim to derive knowledge and insights from raw data. Data science pipeline tools simplify the creation and automation of data science pipelines by providing reusable building blocks that users can drag and drop into their pipelines. Such a graphical, model-driven approach enables users with limited data science expertise to create complex pipelines. However, recent studies show that there exist several data science pitfalls that can yield spurious results and, consequently, misleading insights. Yet, none of the popular pipeline tools have built-in quality control measures to detect these pitfalls. Therefore, in this paper, we propose an approach called Pitfalls Analyzer to detect common pitfalls in data science pipelines. As a proof-of-concept, we implemented a prototype of the Pitfalls Analyzer for KNIME, which is one of the most popular data science pipeline tools. Our prototype is model-driven, since the detection of pitfalls is accomplished using pipelines that were created with KNIME building blocks. To showcase the effectiveness of our approach, we run our prototype on 11 pipelines that were created by KNIME experts for 3 Internet-of-Things (IoT) projects. The results indicate that our prototype flags all and only those instances of the pitfalls that we were able to flag while manually inspecting the pipelines.",
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"abstract": "Numerical simulation models of high pressure common rail fuel system were established, the influences of nozzle hole diameter and nozzle hole number on injection rate were studied by means of these models. The research results show that software simulation technology is an effective method for simulation calculation and optimization design for high pressure common rail fuel system(HPCRFS) and comparison between simulation data and experiment data approved the accuracy of simulation models, and the injection rate curve still increases before the end of injection when the nozzle hole diameter is bigger, this kind of injection rate accords with ideal injection law.",
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"title": "2010 International Conference on Digital Manufacturing & Automation",
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"doi": "10.1109/ICDMA.2010.399",
"title": "Common Rail Direct Injection Diesel Engine Control Strategy Validation Research",
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"abstract": "Hardware-in-the-loop validation system of control strategies of common rail direct injection marine diesel engine was established, where control oriented cylinder-by-cylinder engine model (CCEM) was used. Simulation results show that CCEM is applicable to validate the control strategy of engine control system, and comparison between simulation results and test bench data approved the accuracy and real-time ability of the system, and electronically controlled common rail system can better the performance of marine diesel engine operation greatly.",
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{
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"content": "Hardware-in-the-loop validation system of control strategies of common rail direct injection marine diesel engine was established, where control oriented cylinder-by-cylinder engine model (CCEM) was used. Simulation results show that CCEM is applicable to validate the control strategy of engine control system, and comparison between simulation results and test bench data approved the accuracy and real-time ability of the system, and electronically controlled common rail system can better the performance of marine diesel engine operation greatly.",
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"id": "proceedings/icmtma/2010/3962/3/3962e576",
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"doi": null,
"abstractUrl": "/proceedings-article/icmtma/2010/3962e576/12OmNAZx8MS",
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"id": "proceedings/icsem/2010/4223/1/4223a183",
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"doi": null,
"abstractUrl": "/proceedings-article/icsem/2010/4223a183/12OmNBqMDiZ",
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"id": "proceedings/icsem/2010/4223/1",
"title": "2010 International Conference on System Science, Engineering Design and Manufacturing Informatization",
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"id": "proceedings/wmso/2008/3484/0/3484a160",
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"doi": null,
"abstractUrl": "/proceedings-article/wmso/2008/3484a160/12OmNCgrDbv",
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"id": "proceedings/icicta/2010/4077/2/4077c258",
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"doi": null,
"abstractUrl": "/proceedings-article/icicta/2010/4077c258/12OmNvA1h7x",
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"title": "Intelligent Computation Technology and Automation, International Conference on",
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{
"id": "proceedings/etcs/2010/3987/3/3987c103",
"title": "Methodology for Model-Based Calibration on 4jb1 High-Pressure Common-Rail Diesel Engine",
"doi": null,
"abstractUrl": "/proceedings-article/etcs/2010/3987c103/12OmNvs4vr6",
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"title": "Education Technology and Computer Science, International Workshop on",
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{
"id": "proceedings/iscid/2010/4198/2/4198b072",
"title": "Simulation and Experimental Research on Pollutes Control in Direct-Injection Diesel Engine",
"doi": null,
"abstractUrl": "/proceedings-article/iscid/2010/4198b072/12OmNxG1yEO",
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"id": "proceedings/icoip/2010/4252/1/4252a704",
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"doi": null,
"abstractUrl": "/proceedings-article/icoip/2010/4252a704/12OmNyTwRdM",
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{
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"doi": null,
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"id": "proceedings/csse/2008/3336/2/3336c219",
"title": "Three-Dimensional Simulation and Experiment in a High-Speed Direct-Injection Diesel Engine Based on KIVA-3V Code",
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"abstractUrl": "/proceedings-article/csse/2008/3336c219/12OmNzzxuxQ",
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"article": {
"id": "12OmNzV70Hd",
"doi": "10.1109/ICOIP.2010.26",
"title": "Study on the Influence Factors of Common Rail System's Injection Mass",
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"abstract": "The injection mass of common rail system is determined by rail pressure and injector energizing time. Under different rail pressure, single injection experiments have been performed; under the same rail pressure two injections (preinjection and main injection) tests with various intervals have been carried out. According to the analysis of the results, find that at the start-up and stop stages the injection rate becomes faster with increasing rail pressure and the injection characteristics for common-rail system tends to rectangular jet. When the rail pressure is low, the needle valve has slow response, and the effective flow area of the injector greatly influences the jet law. When the rail pressure is improved, the valve’s response speed will be increased remarkably and the injection rate is mainly affected by the rail pressure. During multiple injections the needle valve lift has affected on the mass of the main injection more than the rail pressure fluctuations caused by pre-injection.",
"abstracts": [
{
"abstractType": "Regular",
"content": "The injection mass of common rail system is determined by rail pressure and injector energizing time. Under different rail pressure, single injection experiments have been performed; under the same rail pressure two injections (preinjection and main injection) tests with various intervals have been carried out. According to the analysis of the results, find that at the start-up and stop stages the injection rate becomes faster with increasing rail pressure and the injection characteristics for common-rail system tends to rectangular jet. When the rail pressure is low, the needle valve has slow response, and the effective flow area of the injector greatly influences the jet law. When the rail pressure is improved, the valve’s response speed will be increased remarkably and the injection rate is mainly affected by the rail pressure. During multiple injections the needle valve lift has affected on the mass of the main injection more than the rail pressure fluctuations caused by pre-injection.",
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],
"normalizedAbstract": "The injection mass of common rail system is determined by rail pressure and injector energizing time. Under different rail pressure, single injection experiments have been performed; under the same rail pressure two injections (preinjection and main injection) tests with various intervals have been carried out. According to the analysis of the results, find that at the start-up and stop stages the injection rate becomes faster with increasing rail pressure and the injection characteristics for common-rail system tends to rectangular jet. When the rail pressure is low, the needle valve has slow response, and the effective flow area of the injector greatly influences the jet law. When the rail pressure is improved, the valve’s response speed will be increased remarkably and the injection rate is mainly affected by the rail pressure. During multiple injections the needle valve lift has affected on the mass of the main injection more than the rail pressure fluctuations caused by pre-injection.",
"fno": "4252b465",
"keywords": [
"Common Rail",
"Injection Law",
"Rail Pressure",
"Needle Valve Lift"
],
"authors": [
{
"affiliation": null,
"fullName": "Tao Qiu",
"givenName": "Tao",
"surname": "Qiu",
"__typename": "ArticleAuthorType"
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{
"affiliation": null,
"fullName": "Zhiqiang Fan",
"givenName": "Zhiqiang",
"surname": "Fan",
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{
"affiliation": null,
"fullName": "Zhiquan Qi",
"givenName": "Zhiquan",
"surname": "Qi",
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},
{
"affiliation": null,
"fullName": "Bingbin Guo",
"givenName": "Bingbin",
"surname": "Guo",
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{
"affiliation": null,
"fullName": "Wenhui Yin",
"givenName": "Wenhui",
"surname": "Yin",
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{
"affiliation": null,
"fullName": "Chenghui Yu",
"givenName": "Chenghui",
"surname": "Yu",
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],
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"pubDate": "2010-11-01T00:00:00",
"pubType": "proceedings",
"pages": "465-468",
"year": "2010",
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"id": "proceedings/icoip/2010/4252/2/4252b181",
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"abstractUrl": "/proceedings-article/icoip/2010/4252b181/12OmNALUoxB",
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"id": "proceedings/icmtma/2010/3962/3/3962e576",
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"doi": null,
"abstractUrl": "/proceedings-article/icmtma/2010/3962e576/12OmNAZx8MS",
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"id": "proceedings/icoip/2010/4252/1/4252a464",
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"id": "proceedings/icoip/2010/4252/2",
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{
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"id": "proceedings/cdciem/2011/4350/0",
"title": "Computer Distributed Control and Intelligent Environmental Monitoring, International Conference on",
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{
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{
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{
"id": "proceedings/icdma/2010/4286/1/4286a387",
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"doi": null,
"abstractUrl": "/proceedings-article/icdma/2010/4286a387/12OmNySG3Vz",
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"id": "proceedings/icdma/2010/4286/1",
"title": "2010 International Conference on Digital Manufacturing & Automation",
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{
"id": "proceedings/icoip/2010/4252/2/4252b274",
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"doi": null,
"abstractUrl": "/proceedings-article/icoip/2010/4252b274/12OmNzUPpdv",
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"proceeding": {
"id": "12OmNwB2dXg",
"title": "2011 Brazilian Symposium on Games and Digital Entertainment",
"acronym": "sbgames",
"groupId": "1800056",
"volume": "0",
"displayVolume": "0",
"year": "2011",
"__typename": "ProceedingType"
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"article": {
"id": "12OmNyuPKYm",
"doi": "10.1109/SBGAMES.2011.36",
"title": "An Architecture Using a Finite Difference Method to Calculate Realistic Sound Equalization in Games",
"normalizedTitle": "An Architecture Using a Finite Difference Method to Calculate Realistic Sound Equalization in Games",
"abstract": "Most games and other interactive virtual environments focus on rendering natural phenomena in the most believable manner by using accurate visuals and physics. However, not much effort has been put into accounting for the physics of sound. The simulation of the real behavior of sound through an environment, when considering the speed of sound, reflection, and absorption, is computationally expensive and is usually left aside. In this work, an algorithm that calculates sound wave propagation using a finite difference method is used and extended to present a novel approach to sound rendering. This approach reaches the objective more quickly, and the sound generated has no perceptible loss of accuracy. The approach is designed to be implemented in GPU architectures and eventually enable real-time results.",
"abstracts": [
{
"abstractType": "Regular",
"content": "Most games and other interactive virtual environments focus on rendering natural phenomena in the most believable manner by using accurate visuals and physics. However, not much effort has been put into accounting for the physics of sound. The simulation of the real behavior of sound through an environment, when considering the speed of sound, reflection, and absorption, is computationally expensive and is usually left aside. In this work, an algorithm that calculates sound wave propagation using a finite difference method is used and extended to present a novel approach to sound rendering. This approach reaches the objective more quickly, and the sound generated has no perceptible loss of accuracy. The approach is designed to be implemented in GPU architectures and eventually enable real-time results.",
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"normalizedAbstract": "Most games and other interactive virtual environments focus on rendering natural phenomena in the most believable manner by using accurate visuals and physics. However, not much effort has been put into accounting for the physics of sound. The simulation of the real behavior of sound through an environment, when considering the speed of sound, reflection, and absorption, is computationally expensive and is usually left aside. In this work, an algorithm that calculates sound wave propagation using a finite difference method is used and extended to present a novel approach to sound rendering. This approach reaches the objective more quickly, and the sound generated has no perceptible loss of accuracy. The approach is designed to be implemented in GPU architectures and eventually enable real-time results.",
"fno": "4648a070",
"keywords": [
"Graphics Processing Units",
"Real Time Systems",
"Games",
"Propagation",
"Mathematical Model",
"Equations",
"Rendering Computer Graphics",
"Audio Effects",
"Sound Wave Propagation",
"Finite Difference Method",
"GPGPU"
],
"authors": [
{
"affiliation": null,
"fullName": "B. Moreira",
"givenName": "B.",
"surname": "Moreira",
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{
"affiliation": null,
"fullName": "D.N. Brandao",
"givenName": "D.N.",
"surname": "Brandao",
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{
"affiliation": null,
"fullName": "E.W.C. Gonzales",
"givenName": "E.W.C.",
"surname": "Gonzales",
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{
"affiliation": null,
"fullName": "M. Kischinhevsky",
"givenName": "M.",
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{
"affiliation": null,
"fullName": "C.L. Kuryla",
"givenName": "C.L.",
"surname": "Kuryla",
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"pubDate": "2011-11-01T00:00:00",
"pubType": "proceedings",
"pages": "70-78",
"year": "2011",
"issn": "2159-6654",
"isbn": "978-1-4673-0797-0",
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"abstract": "Physically-based illumination is an essential factor for realistic rendering. In this context, hierarchical radiosity is one of the most accurate global illumination methods. One of the key features of the radiosity approach is that it obtains view-independent global illumination results. Unfortunately, global illumination has high computational and memory requirements, and hierarchical radiosity, though more efficient than other radiosity solutions, is not an exception. The progressive popularization of multiprocessor and multi-core processor systems makes the design and implementation of efficient parallel algorithms an appealing alternative in this field.",
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"affiliation": "University of California,Santa Barbara",
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"surname": "Zhao",
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"affiliation": "Claremont High School",
"fullName": "Isha Raheja",
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{
"affiliation": "California State Polytechnic University,Pomona",
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"abstract": "It is known that moment invariants for general projective transformations do not exist. This paper presents a novel method to derive moment invariants under two types of restricted projective transformations. For each type of restricted projective transformations, a complete set of moment invariants up to arbitrary order is presented in the explicit form. Experimental results indicate that they are effective, practical, and robust to slight noise such as erosion, blurring, and small occlusion. They have high discriminating power for pattern analysis and object recognition.",
"abstracts": [
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"abstractType": "Regular",
"content": "It is known that moment invariants for general projective transformations do not exist. This paper presents a novel method to derive moment invariants under two types of restricted projective transformations. For each type of restricted projective transformations, a complete set of moment invariants up to arbitrary order is presented in the explicit form. Experimental results indicate that they are effective, practical, and robust to slight noise such as erosion, blurring, and small occlusion. They have high discriminating power for pattern analysis and object recognition.",
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"abstract": "3D scanned technology has found its increasing application in computer animated movie and game. Due to the over density of scanned data, simplification becomes a crucial process. Many researches have been done in mesh-based (i.e. triangulated faces) simplifications. However, few are focused on preserving the completeness of skeleton semantic. And in sharply simplification case, the losing of skeleton semantic can cause failure of skeleton based animation. Due to those problem and the time consuming of mesh reconstruction, algorithms directly based on point cloud has gained increasingly concentrations. This paper presents a simple and effective algorithm directly based on point cloud which could satisfy the succeed animation requirement when reconstructed from simplification data. It can preserve completeness of the potential skeleton semantic even in sharp decrease of points set without introducing new cracks or holes to the model when reconstructed.",
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"abstract": "Started in 2005, the IEEE VGTC Virtual and Augmented Reality Awards program recognizes individuals who have made a significant contribution to the community. The IEEE VGTC VR/AR Awards committee consists of a chair and a number of members invited by the chair, who remain anonymous. This year the committee consisted of the chair and seven members. The Virtual and Augmented Reality Technical Achievement Award is given every year to recognize an individual for seminal technical achievement in virtual and augmented reality. The Virtual and Augmented Reality Career Award is given to an individual to honor that person's lifetime contribution to the field. This year's committee decided on a two-stage voting process to determine the award winners. For each stage of the voting, the voting was done by secret ballot, sent via email to two individuals, \"talliers\" who were not members of the committee. These two talliers independently tallied the results, then compared their individual tallies, and announced the results to the committee. The rest of the process used is briefly outlined. We welcome suggestions for ways to improve the selection process for 2021.",
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