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62595

IMAGE CODING USING HYBRID VECTOR QUANTIZATION

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Last updated: 24 Dec 2024

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Abstract

Statistic approach of vector quantization uses code-books of rounded vectors which allow quasi-optimal coding for a given rate. Therefore these code-books have no structure and require big memory size. Regular lattices of points give the possibility of generating a great number of points from a short number of vectors. This can permit us to solve the problems of the statistic approach. However the lattices presents their own problem, effectively they are only applied for uniform distribution sources. In order to avoid these two kinds of problems, another approach is investigated; It consists of designing a new quantizer by combining the two techniques. In this paper, we present this approach which we call hybrid; first few statistic vectors of the source are performed by using the LBG (Linde, Buzo and Gray) algorithm [2], then each of them leads to a Gosset lattice. The results obtained in image coding are also presented.

DOI

10.21608/iceeng.1999.62595

Authors

First Name

M.

Last Name

Djouadi

MiddleName

S

Affiliation

Robotic laboratory, Military Polytechnic School. BP 17 , Bordj el Bahri, Algiers Algeria

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First Name

D.

Last Name

Berkani

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Affiliation

Electric and Computer Engineering, Ecole Nationale Polytechnique. El - Harrach Algiers, Algeria

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Volume

2

Article Issue

2nd International Conference on Electrical Engineering ICEENG 1999

Related Issue

9420

Issue Date

1999-11-01

Receive Date

2019-11-28

Publish Date

1999-11-01

Page Start

699

Page End

706

Print ISSN

2636-4433

Online ISSN

2636-4441

Link

https://iceeng.journals.ekb.eg/article_62595.html

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https://iceeng.journals.ekb.eg/service?article_code=62595

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68

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Original Article

Type Code

833

Publication Type

Journal

Publication Title

The International Conference on Electrical Engineering

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https://iceeng.journals.ekb.eg/

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IMAGE CODING USING HYBRID VECTOR QUANTIZATION

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Article

Created At

22 Jan 2023