Reducing blocking artefacts in MPEG video coded images using entropic methods

Chowdhury, Morshed, Ray, Siddheswar and Pham, Thao 2003, Reducing blocking artefacts in MPEG video coded images using entropic methods, in Advances in Pattern Recognition (ICAPR-2003), Allied Publishers, New Delhi, India, pp. 213-216.

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Title Reducing blocking artefacts in MPEG video coded images using entropic methods
Author(s) Chowdhury, MorshedORCID iD for Chowdhury, Morshed
Ray, Siddheswar
Pham, Thao
Conference name Proceedings of the Fifth International Conference on Advances in Pattern Recognition ICAPR 2003
Conference location Kolkata, India
Conference dates 10-13 December 2003
Title of proceedings Advances in Pattern Recognition (ICAPR-2003)
Editor(s) Muknerjee, Dipti Prasa
Pal, Srimanta
Publication date 2003
Start page 213
End page 216
Publisher Allied Publishers
Place of publication New Delhi, India
Summary In this paper investigation is made of the. use of entropic methods to identify smooth image blocks in order to filter the reconstructed image of block based transform coded images. We know that blocking artefact is Visually more prominent in the smooth region of a block rather than in the textured region. The entropic methods are employed to distinguish between smooth and textured blocks in a reconstructed image. The linear filtering is then carried out on the smooth region of the image to reduce the blocking artefact. The en tropic criteria investigated in this paper are: Shannon's (Logarithmic) Entropy, Exponential Entropy, and Quadratic Entropy.
ISBN 8177645323
Language eng
Field of Research 080106 Image Processing
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2003, Allied Publishers
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