Introduction to H.264 / AVC Video Coding Standard Multimedia Systems Sharif University of Technology November 2008. Scope of video coding standardization. Evolution of video coding standards of ITU-T VCEG and ISO/IEC MPEG. H.264/AVC.By sema
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A New Coding Mode for Error Resilient Video. EE368C Final Presentation Stanford University Sangoh Jeong. Mar.8, 2001. Outline. Use of Leaky Prediction + RD theory for Improved Error Resiliency General Hybrid Video Codec Proposed New Coding Mode RD-Based Mode Selection
Source-Channel Prediction in Error Resilient Video Coding. Hua Yang and Kenneth Rose Signal Compression Laboratory ECE Department University of California, Santa Barbara. Outline. Introduction Source-channel prediction Simulation results Conclusions. Introduction .
Error Coding. Transmission process may introduce errors into a message. Single bit errors versus burst errors Detection: Requires a convention that some messages are invalid Hence requires extra bits An (n,k) code has codewords of n bits with k data bits and r = (n-k) redundant check bits
Cross-Layer Error Resilient Mechanism in Scalable Video Coding. Authors: Shu-Jhen Fan Jiang, Chia -Hung Yeh and Mei-Juan Chen Presenter: Shu-Jhen Fan Jiang National Sun Yat-Sen University, and National Dong- Hua University, Taiwan. Outline. Introduction Previous work
Error-Resilient Coding and Decoding Strategies for Video Communication. Thomas Stockhammer and Waqar Zia Presented by Li Ma. Background & Motivation. Video becoming more popular Advances in bandwidth, capacity enhancements Requirements: data transmission rate
Hua Yang and Kenneth Rose Signal Compression Lab ECE Department University of California Santa Barbara, USA Mar. 2005. Rate-Distortion Optimized Motion Estimation for Error Resilient Video Coding. Outline. Motion estimation (ME) for coding efficiency Conventional ME
Error Correction Coding. Multimedia Security. Outline. Part 1. The Problem with Simple Multi-symbol Message Part 2. The Idea of Error Correction Codes. Part 1. The Problem with Simple Multi-symbol Message.
Error Correction Coding. Channel coding adds structured redundancy to a transmission. The input message m is composed of K symbols. The output code word x is composed of N symbols. Since N > K there is redundancy in the output. The code rate is r = K/N. Coding can be used to:
ERROR CONTROL CODING. Basic concepts Classes of codes: Block Codes Linear Codes Cyclic Codes Convolutional Codes. Basic Concepts. Example : Binary Repetition Codes (3,1) code: 0 ==> 000 1 ==> 111 Received: 011. What was transmitted? scenario A: 111 with one error in 1st location