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Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis最新文献

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Trace-Based Reconfigurable Acceleration with Data Cache and External Memory Support 基于跟踪的可重构加速与数据缓存和外部存储器支持
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2014-08-01 DOI: 10.1109/ISPA.2014.29
N. Paulino, J. Ferreira, João MP Cardoso
{"title":"Trace-Based Reconfigurable Acceleration with Data Cache and External Memory Support","authors":"N. Paulino, J. Ferreira, João MP Cardoso","doi":"10.1109/ISPA.2014.29","DOIUrl":"https://doi.org/10.1109/ISPA.2014.29","url":null,"abstract":"This paper presents a binary acceleration approach based on extending a General Purpose Processor (GPP) with a Reconfigurable Processing Unit (RPU), both sharing an external data memory. In this approach repeating sequences of GPP instructions are migrated to the RPU. The RPU resources are selected and organized off-line using execution trace information. The RPU core is composed of Functional Units (FUs) that correspond to single CPU instructions. The FUs are arranged in stages of mutually independent operations. The RPU can enable several stages in tandem, depending on the data dependencies. External data memory accesses are handled by a configurable dual-port cache. A prototype implementation of the architecture on a Spartan-6 FPGA was validated with 12 benchmarks and achieved an overall geometric mean speedup of 1.91x.","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":"46 1","pages":"158-165"},"PeriodicalIF":0.0,"publicationDate":"2014-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80600801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Combining regression and classification methods for age band estimation from human faces 结合回归与分类方法的人脸年龄估计
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2013-01-01 DOI: 10.1109/ISPA.2013.6703728
Yannick Lufimpu-Luviya, Sébastien Paris, D. Merad, B. Fertil
{"title":"Combining regression and classification methods for age band estimation from human faces","authors":"Yannick Lufimpu-Luviya, Sébastien Paris, D. Merad, B. Fertil","doi":"10.1109/ISPA.2013.6703728","DOIUrl":"https://doi.org/10.1109/ISPA.2013.6703728","url":null,"abstract":"","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":"8 1","pages":"136-141"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73578472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Supervised image segmentation using learning and merging 使用学习和合并的监督图像分割
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2013-01-01 DOI: 10.1109/ISPA.2013.6703714
Xiyu Yu, F. Zhou, X. Bai, Bin Guo, Hui Wang, Dongjie Tan
{"title":"Supervised image segmentation using learning and merging","authors":"Xiyu Yu, F. Zhou, X. Bai, Bin Guo, Hui Wang, Dongjie Tan","doi":"10.1109/ISPA.2013.6703714","DOIUrl":"https://doi.org/10.1109/ISPA.2013.6703714","url":null,"abstract":"","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":"148 1","pages":"54-59"},"PeriodicalIF":0.0,"publicationDate":"2013-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77778855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cache Performance and Efficiency Factors of Parallel Data Structures 并行数据结构的缓存性能和效率因素
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2012-07-10 DOI: 10.1109/ISPA.2012.87
Akos Dud's, Juh'sz S'ndor
{"title":"Cache Performance and Efficiency Factors of Parallel Data Structures","authors":"Akos Dud's, Juh'sz S'ndor","doi":"10.1109/ISPA.2012.87","DOIUrl":"https://doi.org/10.1109/ISPA.2012.87","url":null,"abstract":"Multi-core CPUs are very efficient at executing multiple threads at the same time without significant performance penalty; this capability, however, results in increasing demand for the memory and the caches, which not only have to serve multiple parallel requests but also have to endure the consequences of parallel programming. The performance of parallel applications is not only limited by the CPU and the internal level of parallelism that the algorithms and data structures allow, but is also restricted by their memory characteristics. Altering the data structure for example to work with machine word-sized pointers required by atomic operations incurs additional cache misses, while a lock protecting a critical section not only consumes memory, but could also be responsible for increased memory traffic for cache-line invalidations when acquired or released. We investigate these effects and analyze the behavior of different parallelization mechanisms, both blocking and lock-free solutions, through the example of a basic data structure: a hash table.","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":"18 1","pages":"580-587"},"PeriodicalIF":0.0,"publicationDate":"2012-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84131334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Using Dynamic Priority Time Petri Nets for Scheduling Analysis via Earliest Deadline First Policy 基于最早截止日期优先策略的动态优先级时间Petri网调度分析
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2012-07-10 DOI: 10.1109/ISPA.2012.50
Walid Karamti, A. Mahfoudhi, Y. H. Kacem
{"title":"Using Dynamic Priority Time Petri Nets for Scheduling Analysis via Earliest Deadline First Policy","authors":"Walid Karamti, A. Mahfoudhi, Y. H. Kacem","doi":"10.1109/ISPA.2012.50","DOIUrl":"https://doi.org/10.1109/ISPA.2012.50","url":null,"abstract":"In a previous paper we investigated the expressiveness of Time Petri Nets extended with dynamic Priorities and showed that it is able to analyze the schedulability of a partitioned real-time system over a multiprocessor architecture. The scheduling analysis is proven via the Least Laxity First (LLF) policy and a set of independent tasks. In the same vein, we investigate in the present paper the applicability of the proposed approach for the Earliest Deadline First (EDF) policy to reduce the cost of preemption and we tackle the dependent tasks problem. Through an experiment, we present the capacity of our approach to detect the temporal faults in scheduling.","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":"94 1","pages":"332-339"},"PeriodicalIF":0.0,"publicationDate":"2012-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90784315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Real Time Face Detection Based on Motion and Skin Color Information 基于运动和肤色信息的实时人脸检测
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2012-01-01 DOI: 10.1109/ISPA.2012.117
Hazar Mliki, Mohamed Hammami, H. Ben-Abdallah
{"title":"Real Time Face Detection Based on Motion and Skin Color Information","authors":"Hazar Mliki, Mohamed Hammami, H. Ben-Abdallah","doi":"10.1109/ISPA.2012.117","DOIUrl":"https://doi.org/10.1109/ISPA.2012.117","url":null,"abstract":"","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":"55 1","pages":"799-806"},"PeriodicalIF":0.0,"publicationDate":"2012-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80200230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Multilevel Segmentation for Food Classification in Dietary Assessment. 膳食评估中食品分类的多级分割法。
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2011-09-04
Fengqing Zhu, Marc Bosch, Nitin Khanna, Carol J Boushey, Edward J Delp
{"title":"Multilevel Segmentation for Food Classification in Dietary Assessment.","authors":"Fengqing Zhu, Marc Bosch, Nitin Khanna, Carol J Boushey, Edward J Delp","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Given a dataset of images, we seek to automatically identify and locate perceptually similar objects. We combine two ideas to achieve this: a set of segmented objects can be partitioned into perceptually similar object classes based on global and local features; and perceptually similar object classes can be used to assess the accuracy of image segmentation. These ideas are implemented by generating multiple segmentations of each image and then learning the object class by combining different segmentations to generate optimal segmentation. We demonstrate that the proposed method can be used as part of a new dietary assessment tool to automatically identify and locate the foods in a variety of food images captured during different user studies.</p>","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":" ","pages":"337-342"},"PeriodicalIF":0.0,"publicationDate":"2011-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3224861/pdf/nihms327436.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"30145728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Splitting TCP for MPI Applications Executed on Grids 为在网格上执行的MPI应用程序拆分TCP
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2011-05-26 DOI: 10.1109/ISPA.2011.11
Olivier Glück, J. Mignot
{"title":"Splitting TCP for MPI Applications Executed on Grids","authors":"Olivier Glück, J. Mignot","doi":"10.1109/ISPA.2011.11","DOIUrl":"https://doi.org/10.1109/ISPA.2011.11","url":null,"abstract":"In this paper, we first study the interaction between MPI applications and TCP on grids. Then, we propose MPI5000, a transparent applicative layer between MPI and TCP, using proxies to improve the execution of MPI applications on a grid. Proxies aim at splitting TCP connections in order to detect losses faster and avoid to return in a slow-start phase after an idle time. Finally, we evaluate our layer executing the NAS Parallel Benchmarks on Grid5000, the French research grid, using MPICH2. The results show that our architecture reduces the number of idle timeout and of long-distance retransmissions for BT, SP and LU benchmarks. Using MPI5000, these applications can decrease their execution time by 35%, 28%, and, 15% respectively. A comparison with MPICH-G2 performances shows that our layer can even outperform a grid enabled MPI implementation.","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":"12 1","pages":"207-212"},"PeriodicalIF":0.0,"publicationDate":"2011-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84944246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Optical Affine Transform Based on MEMS Optical Cross-Connect 基于MEMS光交叉连接的光仿射变换
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2010-09-06 DOI: 10.1109/ISPA.2010.101
Fengchun Tian, L. Li, Jun Jian, Peng Li, Can Li
{"title":"An Optical Affine Transform Based on MEMS Optical Cross-Connect","authors":"Fengchun Tian, L. Li, Jun Jian, Peng Li, Can Li","doi":"10.1109/ISPA.2010.101","DOIUrl":"https://doi.org/10.1109/ISPA.2010.101","url":null,"abstract":"The two-dimensional optical affine transform is studied in this paper. Conventional optical affine transform is implemented by dove prisms, mirrors, and zoom lens,with the shortage of experimental adjustment difficulties, low accuracy, poor flexibility and stability. A method for optical affine transform based on optical fiber bundle and MEMS (Micro-Electromechanical Systems) optical cross-connect is proposed. An arbitrary optical affine transform is realized by making use of the switch property of MEMS combined with optical fiber bundle. The shortcomings of traditional methods can be overcome effectively by this way. The optical affine transform can solve the bottle-neck problem of speed in realizing image iterated function systems. Comparison of optical experiment results and simulation results proves the superiority of this method.","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":"76 1","pages":"588-593"},"PeriodicalIF":0.0,"publicationDate":"2010-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75602035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interective Point Clouds Fairing on Many-Core System 多核系统的相交点云整流
Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis Pub Date : 2010-01-01 DOI: 10.1109/ISPA.2010.49
Jie Tang, Gangshan Wu, Boping Xu, Zhongliang Gong
{"title":"Interective Point Clouds Fairing on Many-Core System","authors":"Jie Tang, Gangshan Wu, Boping Xu, Zhongliang Gong","doi":"10.1109/ISPA.2010.49","DOIUrl":"https://doi.org/10.1109/ISPA.2010.49","url":null,"abstract":"","PeriodicalId":89464,"journal":{"name":"Proceedings of the ... International Symposium on Image and Signal Processing and Analysis. International Symposium on Image and Signal Processing and Analysis","volume":"57 1","pages":"557-562"},"PeriodicalIF":0.0,"publicationDate":"2010-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79551654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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