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检索条件"主题词=transform coding"
10289 条 记 录,以下是4811-4820 订阅
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Avoiding oddification to simplify MPEG-1 decoding with LNS
Avoiding oddification to simplify MPEG-1 decoding with LNS
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IEEE Workshop on Multimedia Signal Processing
作者: M.G. Arnold Lehigh University Bethlehem PA USA
Low-precision logarithmic number system (LNS) arithmetic can reduce the power consumption for MPEG decoding compared to conventional fixed-point techniques. Although this introduces small numeric errors, which violate... 详细信息
来源: 评论
Video shot boundary detection: A review
Video shot boundary detection: A review
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International Conference on Electronics, Communication and Computing Technologies (ICECCT)
作者: Ananya SenGupta Dalton Meitei Thounaojam Kh. Manglem Singh Sudipta Roy Department of Computer Science & Engineering National Institute of Technology Silchar Assam India Department of Information Technology Assam University Silchar Assam India
Due to huge growth in multimedia and technology, it is very important to go through the point of interest rather than accessing the entire video. For efficient indexing and retrieving the interest points, content base... 详细信息
来源: 评论
Copy-move forgery detection in images via 2D-Fourier transform
Copy-move forgery detection in images via 2D-Fourier Transfo...
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International Conference on Telecommunications and Signal Processing (TSP)
作者: Seniha Ketenci Guzin Ulutas Electrical and Electronics Engineering Department Karadeniz Technical University Trabzon Turkey Computer Engineering Department Karadeniz Technical University Trabzon Turkey
Digital images have been widely used in many applications. However, digital image forgery has already become a serious problem due to the rapid development of powerful image editing software. One of the most commonly ... 详细信息
来源: 评论
MPEG-2 video decompression on a multiprocessing VLIW microprocessor
MPEG-2 video decompression on a multiprocessing VLIW micropr...
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IEEE International Conference on Consumer Electronics (ICCE)
作者: P. Sriram S. Sudharsanan A. Gulati Sun Microsystems Inc. Palo Alto CA USA
The compression and decompression of MPEG-2 video play a major role in entertainment delivery devices. This paper investigates software MPEG-2 video decoding on a multiprocessing microprocessor, MAJC-5200. MAJC (micro... 详细信息
来源: 评论
Design and implementation of an embedded multimedia live streaming decoder system
Design and implementation of an embedded multimedia live str...
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International Conference on Advanced Technologies for Communications, ATC
作者: Van Quyen Do Nguyen Binh Sun-Tae Chung Seongwon Cho School of Electronics Engineering Soongsil University Seoul Korea Department of Electronic and Electrical Engineering Hongik University Seoul Korea
In this paper, we propose an effective design and implementation of a versatile embedded multimedia live streaming decoder system based on TI's DM814x processor, which can not only decode video live streams of var... 详细信息
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Rate-distortion analysis of nonlinear quantisers for video coders
Rate-distortion analysis of nonlinear quantisers for video c...
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European Signal Processing Conference (EUSIPCO)
作者: Yoo-Sok Saw Peter M. Grant John M. Hannah Next Generation Telecomm's Div. LGIC R&D Lab. 533 Hogyea-Dong Anyang-Si 430-080 Rep. of Korea The University of Edinburgh Edinburgh Edinburgh GB
Quantisation is used in video coders such as MPEG in association with rate control scheme to regulate the data rate of compressed video bit stream entering the transmission buffer. When the transmission data rate is l... 详细信息
来源: 评论
Reconfigurable Implementation of Wavelet Integer Lifting transforms for Image Compression
Reconfigurable Implementation of Wavelet Integer Lifting Tra...
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International Conference on Reconfigurable Computing and FPGAs (ReConFig)
作者: S. L. Bishop S. Rai B. Gunturk J. L. Trahan R. Vaidyanathan Department of Electrical and Computer Engineering Louisiana State University Baton Rouge LA USA
Modern digital image processing requires powerful data compression algorithms to allow the data to be efficiently transferred from the host to end users (and back again). A typical 512times512 grayscale image of uncom... 详细信息
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A fast DCT domain inverse motion compensation algorithm based on shared information in a macroblock
A fast DCT domain inverse motion compensation algorithm base...
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Asilomar Conference on Signals, Systems & Computers
作者: Junehwa Song Boon-Lock Yeo IBM Thomas J. Watson Research Center Yorktown Heights NY USA Microcomputer Research Laboratory Intel Corporation Santa Clara CA USA
The ability to construct intra-coded frame from motion-compensated inter-frame coded directly in the compressed domain is important for efficient video manipulation and composition. In the context of motion-compensate... 详细信息
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ARM based real time video streaming using XBee for perimeter control in defense application
ARM based real time video streaming using XBee for perimeter...
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International Conference on Computing for Sustainable Global Development (INDIACom)
作者: Abdul Wahid Ansari Mannika Garg Sushabhan Choudhury Rajesh Singh Dept of Electronics Engineering UPES India
The use of video streaming for communication is becoming very popular among social and industrial applications such as video calling Skype, `we chat', security system, surveillance system etc. This paper presents ... 详细信息
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Defect visibility and content importance implications for the design of an objective video fidelity metric
Defect visibility and content importance implications for th...
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IEEE International Conference on Image Processing
作者: M.S. Moore S.K. Mitra J.M. Foley ECE Department University of California Santa Barbara CA USA Psychology Department University of California Santa Barbara CA USA
We describe the results of a series of psychophysical experiments that investigated the relationships among defect visibility, content importance, and perceived impairment in digital video. Various types of controlled... 详细信息
来源: 评论