Quantization (image processing)

Known as: Quantization matrix, Quantisation matrices, Quantization matrices 
Quantization, involved in image processing, is a lossy compression technique achieved by compressing a range of values to a single quantum value… (More)
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Highly Cited
2005
Highly Cited
2005
Pattern recognition has as its objective to classify objects into different categories and classes. It is a fundamental component… (More)
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Highly Cited
2003
Highly Cited
2003
In this report, we present a method for estimation of primary quantization matrix from a double compressed JPEG image. We first… (More)
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Highly Cited
2001
Highly Cited
2001
In this paper, we present two new invertible watermarking methods for authentication of digital images in the JPEG format. While… (More)
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Highly Cited
1998
Highly Cited
1997
Highly Cited
1997
A new class of image coding algorithms coupling standard scalar quantization of frequency coefficients with tree-structured… (More)
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Highly Cited
1997
Highly Cited
1997
The discrete wavelet transform (DWT) decomposes an image into bands that vary in spatial frequency and orientation. It is widely… (More)
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Highly Cited
1997
Highly Cited
1997
This paper describes a novel data clustering algorithm, which is a hybrid approach combining a genetic algorithm with the… (More)
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Highly Cited
1997
Highly Cited
1997
Color image quantization, the process of reducing the number of colors in a digital color image, has been widely studied for the… (More)
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Highly Cited
1997
Highly Cited
1997
P. Scheunders Vision Lab, Dept. of Physics, RUCA University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium email… (More)
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Highly Cited
1992
Highly Cited
1992
ABSTRACT t q A model is developed to approximate visibility thresholds for discrete cosine transform (DCT) coefficien uantization… (More)
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