نتایج جستجو برای: video coding

تعداد نتایج: 291499  

Journal: :JCM 2012
Mohammed D. Halloush Hayder Radha

Multi-Generation Mixing (MGM) is a generalized approach of Network Coding (NC) that has its improvements when applied in packet loss networks. In this paper we apply MGM network coding in networks communicating video contents. NC has shown viable improvements when applied in packet loss networks. With practical network coding (generation based network coding), packets are grouped in chunks call...

2014
Zhengxin Hou Baochen Jiang Yupeng Cao Aiping Yang

In modern world more image and video compression technologies improving gradually. But major barrier of the new technologies concepts are repeated from authors. Because authors can’t find in depth of the papers from various technologies. So Survey of Video Compression Techniques very helpful for these types problems in video compression areas. Video compression techniques such as DCT coding, Qu...

2009
Usama S. Mohammed Walaa M. Abd-Elhafiez

This paper describes efficient object-based video coding schemes suitable for content-based multimedia streaming systems. Anew two video coding approaches are presented to study the effect of the object based motion estimation in video coding and the effect of the object based video coding on the compression quality, respectively. The first approach is based on a new motion estimation technique...

Journal: :IEEE transactions on image processing : a publication of the IEEE Signal Processing Society 2003
Zhou Wang Ligang Lu Alan C. Bovik

Image and video coding is an optimization problem. A successful image and video coding algorithm delivers a good tradeoff between visual quality and other coding performance measures, such as compression, complexity, scalability, robustness, and security. In this paper, we follow two recent trends in image and video coding research. One is to incorporate human visual system (HVS) models to impr...

2012
Sudeep Gangavati

Objective: The objective of this project to study, implement and compare video coding standards like H.264/AVC [1], Dirac pro [3] and AVS China P2 (AVS video) [8]. The analysis will be carried out and different performance metrics like MSE, PSNR, bitrate, SSIM [13] and video quality will be evaluated for high resolution videos at various bitrates. Motivation: With the ever increasing demand for...

2008
Li-Wei Kang Chun-Shien Lu

Wireless visual sensor networks are potentially applicable for several emerging applications. Since the data size of the video captured from multiple sensors increases in proportion to the number of video sensors, the efficient compression of video data from multiple sensors is important and still challenging. However, most current multiview video coding approaches extended from single-view vid...

1997
Gregory J. Conklin Sheila S. Hemami

This paper evaluates two temporally scalable video coding techniques, temporal subband coding (TSB) and predictive coding, both theoretically and in practice to provide comparisons of compression and visual quality at differing frame rates. An emphasis is placed on evaluating only the visual effects caused by the temporal coding technique rather than those introduced by any spatial coding. Resu...

2012
Lin Zheng

Due to the sheer volume of data involved, video coding is an important application of lossy source coding, and has received wide industrial interest and support as evidenced by the development and success of a series of video coding standards. All MPEG-series and H-series video coding standards proposed so far are based upon a video coding paradigm called predictive video coding, where video so...

Journal: :Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi 2020

Journal: :Journal of International Council on Electrical Engineering 2014

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