160 search results - page 5 / 32 » Image resizing in the discrete cosine transform domain |
85
Voted
IDEAL
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. Image compression methods such as JPEG use quantisation of discrete cosine transform (DCT) coefficients of image blocks to produce lossy compression. During decoding, an...
73
Voted
ICIP
2007
IEEE
15 years 11 months ago
2007
IEEE
We present a method to compute the steganographic capacity for images, with odd-even based hiding in the quantized discrete cosine transform domain. The method has been generalize...
ICIP
2002
IEEE
15 years 11 months ago
2002
IEEE
Geometric attacks are among the most challenging problems in present day watermarking. Such attacks are very simple to implement yet they can defeat most of the existing watermark...
100
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ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
Spread spectrum (SS) or known-host-statistics technique has shown the best performance in terms of both rate of reliable communications and bit error probability at the low waterm...
105
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FPL
2003
Springer
15 years 2 months ago
2003
Springer
Distributed Arithmetic techniques are widely used to implement Sum-of-Products computations such as calculations found in multimedia applications like FIR filtering and Discrete Co...