621 search results - page 55 / 125 » Compression of facial images using the K-SVD algorithm |
178
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EGITALY
2006
15 years 5 months ago
2006
Palette re-ordering is a well known and very effective approach for improving the compression of color-indexed images. If the spatial distribution of the indexes in the image is s...
149
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ICIP
2004
IEEE
16 years 5 months ago
2004
IEEE
In order to obtain a high resolution image from a compressed video sequence it is essential to correctly estimate the motion vectors in the sequence. Most of the approaches report...
156
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ICIP
2009
IEEE
15 years 1 months ago
2009
IEEE
Leading compressed sensing (CS) methods require m = O (k log(n)) compressive samples to perfectly reconstruct a k-sparse signal x of size n using random projection matrices (e.g., ...
ICPR
2008
IEEE
15 years 10 months ago
2008
IEEE
Stop word detection is attempted in this work in the context of retrieval of document images in the compressed domain. Algorithms are presented to identify text lines and words an...
102
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DCC
1999
IEEE
15 years 8 months ago
1999
IEEE
This paper presents a simple and e ective post-processing method for compressed images. This work focuses on the cyclic time-variance introduced by block-based and subband transfo...