218 search results - page 37 / 44 » Directional Discrete Cosine Transforms for Image Coding |
DAC
1997
ACM
13 years 11 months ago
1997
ACM
: Numerous fast algorithms for the Discrete Cosine Transform DCT have been proposed. Until recently, it has been di cult to compare di erent DCT algorithms and select one which i...
ICIP
2003
IEEE
14 years 8 months ago
2003
IEEE
Overcomplete transforms, like the Dual-Tree Complex Wavelet Transform, offer more flexible signal representations than critically-sampled transforms, due to their properties of sh...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
Recently, a new method for encoding data sets in the form of "Density Codes" was proposed in the literature (Courrieu, 2006). This method allows to compare sets of points...
FPGA
2001
ACM
13 years 11 months ago
2001
ACM
Discrete wavelet transformations (DWT) followed by embedded zerotree encoding is a very efficient technique for image compression [2, 5, 4]. However, the algorithms proposed in l...
VCIP
2003
13 years 8 months ago
2003
A new set of boundary-handling algorithms has been developed for discrete wavelet transforms in the ISO/IEC JPEG-2000 Still Image Coding Standard. Two polyphase component extrapol...