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portada Image compression using the DCT method
Type
Physical Book
Author
Publisher
Language
English
Pages
52
Format
Paperback
Dimensions
22.9 x 15.2 x 0.3 cm
Weight
0.09 kg.
ISBN13
9786205963982
Categories

Image compression using the DCT method

Mohamed Bencheikh (Author) · Our Knowledge Publishing · Paperback

Image compression using the DCT method - Bencheikh, Mohamed

New Book Imported to South Africa
Delivery: 12 Aug - 20 Aug Shipping: 13 to 14 business days.
R 764
R 764

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Synopsis "Image compression using the DCT method"

Image compression allows the memory capacity of an image to be reduced so that it can be sent via a computer network or carried on a storage medium. This reduction in memory capacity must not significantly deteriorate the quality of the compressed image. The DCT (Discrete Cosine Transform) method is based on the Fourier transform. The image processing (compression) discussed in this book is based on a program written in MATLAB. To check the quality of the compression of the image, a decompression of the image is called by evaluating the rate of deterioration of its quality. The image is recovered but with a certain percentage of deterioration compared to its initial state. The compression work in this book is done on images of different sizes (Pizza and Cameraman images). The images processed by this program are JPG format images with a square matrix shape and they are displayed in grey level. In the future, we will extend this program to compress the images in colour and in a rectangular shape with a better quality.

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