'Entropy coding' presentation slideshows

Chapter 8 Image Compression

Chapter 8 Image Compression. Commonly Used Formats:. Portable bit map Family (BMP, Lena 66,616B) Graphics interchange Format (GIF, Lena 70,458B) Tag image file format (TIFF/TIF, Lena 88,508B) JPEG format (JFIF/JFI/JPG, Lena 12,377). Image Data Compression.

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Data Compression I

Data Compression I. Storage Space. Uncompressed graphics, audio and video use considerable space. Too much space even for today's CD and DVD technologies. The most popular compression methods are JPEG (images), MPEG (sound/video) and proprietary techniques from Microsoft and Apple.

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Video Coding For Compression . . . and Beyond

Compression. Video Coding For Compression . . . and Beyond. Bernd Girod Information Systems Laboratory Department of Electrical Engineering Stanford University. Bit Consumption of US Households. Bit equivalent, assuming state-of-the-art compression, year 2000. CIF. QCIF.

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International Standards for Image/Video Coding

International Standards for Image/Video Coding. Multimedia Everywhere. Towards Multimedia :. Consumer. Computer. Electronics. Multimedia. Tele- Communication. Broadcasting. Still Picture Compression Standards.

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Error Control and Concealment for Video Communication

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Psychoacoustic audio coding on ARM CPUs

Psychoacoustic audio coding on ARM CPUs. Een populaire DSP-toepassing en een populaire embedded architectuur nader bekeken. Gian-Carlo Pascutto. Situering. ARM arch. Psy. audio coding. Bacon. ARM Player. Vragen. Inhoud. Inleiding & Situering De ARM-architectuur

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Introduction to Image and Video Coding Algorithms

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Rate-distortion Optimization for MP3 and AAC Audio Coding with Complete Decoder Compatibility

Rate-distortion Optimization for MP3 and AAC Audio Coding with Complete Decoder Compatibility. Jingming Xu Multimedia Communications Lab University of Waterloo. Outline. Introduction and motivation MP3, AAC, and Two-nested-loop Search Rate-distortion optimization for MP3

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Digital Movies

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Lossy Compression

Lossy Compression. Trevor McCasland Arch Kelley. How Do I Lossy Compress?. Goal: reduce the size of stored files and data while retaining all necessary perceptual information Used to create an encoded copy of the original data with a (much) smaller size

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JPEG ?? (Introduction to JPEG). ????? ????? ???????? ? ? ? sjoh@media.kwangwoon.ac.kr. JPEG ( ISO/CCITT ) ?? : ??. JPEG : (Joint Photographic Experts Group) : ISO/IEC & CCITT Working Group.

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Image and Video Compression Fundamentals

Image and Video Compression Fundamentals. Heejune AHN Embedded Communications Laboratory Seoul National Univ. of Technology Fall 2013 Last updated 2013. 9. 07. 1. Driving Force of Video Compr. Uncompressed Video Bandwidth Ver. Resolution x Hor. Resolution x Time Resolution x Colors

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Chapter 9 Image Compression Standards

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Scope of video coding standardization

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.

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Lab9 Case Study

Lab9 Case Study. Speaker: Yu-Lin Hsiao Advisor: Prof. Chun-Yao Wang December 1, 2005. Department of Computer Science National Tsing Hua University. Outline. JPEG Baseline Compression Lab requirement & report. JPEG Baseline Compression. Baseline Sequential DCT-based coding

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Outline

IMPLEMENTATION AND EVALUATION OF RESIDUAL COLOR TRANFORM FOR 4:4:4 RGB LOSSLESS CODING By POOJA V. AGAWANE Under the guidance of Dr. K. R. Rao Multimedia Processing Lab (MPL) University of Texas at Arlington. Outline. YCbCr sampling Overview of H.264 Fidelity Range Extensions

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Lecture 10: Dictionary Coding

Lecture 10: Dictionary Coding. Thinh Nguyen Oregon State University. Outline. LZ77 LZ78 LZW Applications. Review of Entropy Coding. a. 0.5. 0.3. b. 0.2. c. source. Minimize the number of bits to code a, b, c based on the statistical properties of the source. Dictionary Coding.

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Parallel Design Methodology for Video Codec LSI with High-level Synthesis and FPGA-based Platform

DAC50, Designer Track, 156-VB543. Parallel Design Methodology for Video Codec LSI with High-level Synthesis and FPGA-based Platform. Kazuya YOKOHARI, Koyo NITTA, Mitsuo IKEDA, and Atsushi SHIMIZU NTT Media Intelligence Laboratories. Outline. Introduction Proposed Design Methodology

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Data Compression (2)

Data Compression (2). Hai Tao. Pulse code modulation . The process of digitizing audio signal is called pulse code modulation Sampling the analog waveform at a minimum rate Each sample is quantized using a fixed number of bits To reduce the amount of data, we can

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