نتایج جستجو برای: 264

تعداد نتایج: 8737  

2013
Aleksander Orłowski Edward Szczerbicki ALEKSANDER ORŁOWSKI EDWARD SZCZERBICKI

This is a pre-print of: Cybernetics & Systems, An International Jurnal, Volume 44, Issue 2-3, 2013, pp.264-274. DOI:10.1080/01969722.2013.762277 Link to the article published by Taylor & Francis: http://www.tandfonline.com/doi/abs/10.1080/01969722.2013.762277#.UY6MVY3wHIU To cite the published article: Aleksander Orłowski, Edward Szczerbicki (2013): Fuzzy Model Dedicated To The Polish Internet ...

2003
Andy Chang Oscar C. Au Yick Ming Yeung

The upcoming video coding standard, H.264, uses motion estimation with multiple block sizes to improve the rate-distortion performance. However, full exhaustive search of all block sizes is computational intensive with complexity increasing linearly with the number of allowed block size. In this paper, a novel fast multi-block motion estimation (FMBME) is proposed for H.264 video coding. Experi...

2011
E. Belyaev K. Egiazarian

This paper is dedicated to entropy coding for scalable video compression based on three-dimensional discrete wavelet transform (3-D DWT). A new simple bit-plane entropy coding of wavelet subband matrices is proposed. Practical results show that 3-D DWT video codec with proposed entropy coding allows to increase the encoding speed 2-3 times for the same quality level in comparison with x.264 cod...

2013

The increasing use of more resource-intensive multimedia applications in communication has made it essential to ensure better utilization of available computing resources. At the same time, energy consumption has turned out to be one of the most important resource constraints in modern systems. Digital videos are an important part of multimedia, and a large number of video standards are current...

2010
Chang-Uk Jeong Hiroshi Watanabe

H.264/AVC [1], which is a recently published video coding standard, was developed and has been updated by Joint Video Team (JVT) of ISO/IEC MPEG and ITU-T VCEG. The H.264 encoder, similar to that of the existing video standards such as ISO/IEC MPEG-1, MPEG-2, MPEG-4, ITU-T H.261, H.263 [2], is composed of a temporal model, a spatial model, and an entropy encoder. The runtime of the temporal mod...

Video abstraction allows searching, browsing and evaluating videos only by accessing the useful contents. Most of the studies are using pixel domain, which requires the decoding process and needs more time and process consuming than compressed domain video abstraction. In this paper, we present a new video abstraction method in H.264/AVC compressed domain, AVAIF. The method is based on the norm...

2007
Les Davies

Explanation.................................................................................................. 256 Evaluation for acceptable daily intake......................................................... 256 Biochemical aspects............................................................................... 256 Absorption, distribution, and excretion ...........................................

2014
Bambang A.B. Sarif Panos Nasiopoulos C. M. Leung Mahsa T. Pourazad

The H.264/AVC video encoding standard has many advanced features that can be tailored to suit a wide range of applications. In order to obtain optimal coding performance in video sensor networks (VSNs), it is essential to find the right setting parameters for the encoder. There is a trade-off between required energy for encoding and transmission of video content in VSNs that can be exploited to...

2004
Jijun Zhang Andrew Perkis Nicolas D. Georganas

The newly ratified video compression standard H.264/AVC provides tools and solutions for coding improvements of at least 2 dB, in terms of PSNR, and at least 40% in bit rate saving, as compared with the previous standards. The development of video transcoding, which is one of the critical components for multimedia adaptation and Universal Multimedia Access, can gain benefits by using the tools ...

2006
Chung-Hyo Kim Tae-Sik Kong Young-Jun Lee Hee-Dong Kim Young-Ho Ju

H.264/AVC is adopted as a next generation moving picture compression standard. Context-based Adaptive Binary Arithmetic Coding (CABAC) is the major entropy coding algorithm employed in H.264/AVC. Although the performance gain of H.264/AVC is mostly resulted from CABAC, it is difficult to implement a high-throughput decoder due to its decoding complexity. Although CABAC excludes a multiplication...

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