160 search results - page 15 / 32 » Image resizing in the discrete cosine transform domain |
DFT
2005
IEEE
15 years 3 months ago
2005
IEEE
In this paper, we propose a system-level error tolerance scheme for systems where a linear transform is combined with quantization. These are key components in multimedia compress...
WCE
2007
14 years 10 months ago
2007
–—Wavelet expansions and wavelet transforms have proven to be very efficient and effective in analyzing a very wide class of signals and phenomena. Wavelet expansion allows a m...
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ICB
2009
Springer
15 years 4 months ago
2009
Springer
Face recognition performance can be significantly influenced by face image quality. The approved ISO/IEC standard 19794-5 has specified recommendations for face photo taking for...
ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
Given a color image that was quantized in some hidden color space (termed compression color space) during previous JPEG compression, we aim to estimate this unknown compression co...
JVCIR
2011
14 years 4 months ago
2011
A recently developed PLUS factorization holds great promise in image coding due to its simplicity and integer reversibility. However, existing PLUS factorizations did not consider...