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Enhancement and Manipulation of Color Images by Scaling the DCT Coefficients

by Makarand R. Shahade, Ishant I. Saklecha, Jayesh Shukla, Abhijit V. Raut, Piyush B. Desai
journal cover thumbnail
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 1 - Number 18
Year of Publication: 2010
Authors: Makarand R. Shahade, Ishant I. Saklecha, Jayesh Shukla, Abhijit V. Raut, Piyush B. Desai
10.5120/379-564

Makarand R. Shahade, Ishant I. Saklecha, Jayesh Shukla, Abhijit V. Raut, Piyush B. Desai . Enhancement and Manipulation of Color Images by Scaling the DCT Coefficients. International Journal of Computer Applications. 1, 18 ( February 2010), 75-80. DOI=10.5120/379-564

@article{ 10.5120/379-564,
author = { Makarand R. Shahade, Ishant I. Saklecha, Jayesh Shukla, Abhijit V. Raut, Piyush B. Desai },
title = { Enhancement and Manipulation of Color Images by Scaling the DCT Coefficients },
journal = { International Journal of Computer Applications },
issue_date = { February 2010 },
volume = { 1 },
number = { 18 },
month = { February },
year = { 2010 },
issn = { 0975-8887 },
pages = { 75-80 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume1/number18/379-564/ },
doi = { 10.5120/379-564 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T19:46:45.453614+05:30
%A Makarand R. Shahade
%A Ishant I. Saklecha
%A Jayesh Shukla
%A Abhijit V. Raut
%A Piyush B. Desai
%T Enhancement and Manipulation of Color Images by Scaling the DCT Coefficients
%J International Journal of Computer Applications
%@ 0975-8887
%V 1
%N 18
%P 75-80
%D 2010
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper presents a new technique for color enhancement in the compressed domain. The proposed technique is simple but more effective than some of the existing techniques reported earlier. The novelty lies in this case in its treatment of the chromatic components, while previous techniques treated only the luminance component. The results of all previous techniques along with that of the proposed one are compared with respect to those obtained by applying a spatial domain color enhancement technique that appears to provide very good enhancement. The proposed technique, computationally more efficient than the spatial domain based method, is found to provide better enhancement compared to other compressed domain based approaches.

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Index Terms

Computer Science
Information Sciences

Keywords

DCT Coefficients luminance component RGB color space

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