2059 search results - page 309 / 412 » A Directed Threshold - Signature Scheme |
132
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ICIP
2005
IEEE
16 years 6 months ago
2005
IEEE
Shift-invariant linear algorithms can be described completely by the algorithm's response to an impulse input. The so called impulse response can be used as filter kernels wh...
182
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ICIP
2004
IEEE
16 years 6 months ago
2004
IEEE
In this paper, we first propose a new family of geometrical image transforms that decompose images both radially and angularly. Our construction comprises two stages of filter ban...
179
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ICIP
2003
IEEE
16 years 6 months ago
2003
IEEE
This paper considers the problem of encoding a secret binary image SI into n shares of meaningful halftone images within the scheme of visual cryptography (VC). Secret pixels enco...
136
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ICIP
2001
IEEE
16 years 6 months ago
2001
IEEE
Sprite coding is a very efficient method for the representation and compression of background video object, which has been accepted by MPEG-4 standard. However, how to automatical...
146
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ICIP
1999
IEEE
16 years 6 months ago
1999
IEEE
In this paper, we present a VLSI architecture for separable 2-D Discrete Wavelet Transform (DWT). Based on 1-D DWT Recursive Pyramid Algorithm (RPA), a complete 2-D DWT output sch...