'Entropy encoding' presentation slideshows

Lecture 29. Data Compression Algorithms

Lecture 29. Data Compression Algorithms. Recap. Commonly , algorithms are analyzed on the base probability factor such as average case in linear search. Amortized analysis not bases on probability, nor work on single operation.

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Multimedia

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JPEG: Joint Photographic Expert Group

JPEG: Joint Photographic Expert Group. JPEG is an standard for compression and decompression of still images. It was developed jointly by ITU and ISO. JPEG applies to color and gray-scaled still images. There are four main steps in the JPEG compression process:. Image Preparation. Plane:

640 views • 28 slides

MPEG-1 Video (Part 1)

MPEG-1 Video (Part 1). Ketan Mayer-Patel. Encoding Techniques. Subsampling Transform Coding Run-length Encoding Predictive Encoding Entropy Encoding Quantization. Bitstream Organization. Picture Data. Seq. End Code. Seq. Header Width Height Frame Rate Buffer Control.

419 views • 26 slides

Introduction

Introduction. Coding Requirements Entropy Encoding Content Dependent Coding Run-length Coding Diatomic Coding Statistical Encoding Huffman Coding Arithmetic Coding Source Encoding Predictive Coding Differential Pulse Code Modulation Delta Modulation Adaptive Encoding.

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CIS679: Multimedia Basics

CIS679: Multimedia Basics. Multimedia data type Basic compression techniques. Multimedia Data Type. Audio Image Video. Audio. Digitization Sampling Quantization Coding Higher sampling rate -> higher quality

272 views • 17 slides

An Experimental Study on Energy Consumption of Video Encryption for Mobile Handheld Devices

An Experimental Study on Energy Consumption of Video Encryption for Mobile Handheld Devices. Kyoungwoo Lee, Nikil Dutt, and Nalini Venkatasubramanian Center for Embedded Computer Systems Donald Bren School of Information and Computer Sciences University of California, Irvine

262 views • 11 slides