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Introduction to Multimedia Computingceng460.cankaya.edu.tr/uploads/files/Introduction to Multimedia... · H.264 and MPEG Video Compression, Video Coding for Next-generation Multimedia.

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Page 1: Introduction to Multimedia Computingceng460.cankaya.edu.tr/uploads/files/Introduction to Multimedia... · H.264 and MPEG Video Compression, Video Coding for Next-generation Multimedia.

Introduction

CENG 460 9/30/2015 1

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Media and Multimedia

Media Types

Course Syllabus

Evaluation

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Definitions:◦ Data: is information that may be valuable for an

end-user

◦ Media: tools used to store and deliver information or data (e.g. Image to store/deliver visual data)

◦ Multimedia: communications that include multiple forms of information

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Text

Image

Graphics

Animation

Audio

Video

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Any form of written material

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Images are two-dimensional data seen by people, such as a photograph, and screen display. They may be captured by optical devices such as cameras.

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Graphics are visual presentations on some surface, such as a wall, canvas, computer screen, paper, etc.

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Animation is the rapid display of a sequence of 2-D images to create an illusion of movement

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Audio is sound within the hearing range of humans. Audio frequency should be within the range of 20 to 20,000 hertz.

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Video is the technology that captures moving images electronically. Those moving images are in fact a series of still images that change so fast that it looks like the image is moving.

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Introduction◦ Introduction to Multimedia, Motivation and

Applications

◦ Signals and Waves

◦ Analog and Digital Data

◦ Sampling and Quantization

Audio◦ Introduction to Digital Audio

◦ Representing Audio Data

◦ WAV Audio Format

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Image◦ Image Data Representation

◦ Color Models

RGB

YCbCr

◦ Main Image File Formats

Bitmap Files

Lossless Image Compression Run-length Coding (pcx )

Lossy Image Compression Cosine Transform Based Coding (jpeg)

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Video◦ Video Data and the Need for Compression

◦ Video Compression Standards

MPEG

H263

H264

Streaming Multimedia over the Internet

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Multimedia Information Systems, KluwerInternational Series in Engineering and Computer Science, Multimedia Systems and Applications. By: Angelides, Marios C.; Dustdar, Schahram. Published by: Springer Science & Business Media. ISBN: 0792399153

H.264 and MPEG Video Compression, Video Coding for Next-generation Multimedia. By Iain E. G. Richardson, The Robert Gordon University, Aberdeen, UK. Publisher John Wiley & Sons Ltd, ISBN: 0-470-84837-5

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Four research assignment from◦ Audio

◦ Image

◦ Video

◦ Streaming Multimedia

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4 Assignments (30%)

Term Project (30%)

Final Exam (40%)

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