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ICIP
2000
IEEE
16 years 6 months ago
Multichannel Image Compression by Bijection Mappings onto Zero-Trees
A new approach to multichannel image compression is introduced where the intra- and cross-band correlations are jointly exploited in a surprisingly simple yet very effective manner...
José L. Paredes, Gonzalo R. Arce, Leonard E...
FPGA
2001
ACM
152views FPGA» more  FPGA 2001»
15 years 9 months ago
A pipelined architecture for partitioned DWT based lossy image compression using FPGA's
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...
Jörg Ritter, Paul Molitor
TIFS
2008
121views more  TIFS 2008»
15 years 4 months ago
Effect of Severe Image Compression on Iris Recognition Performance
We investigate three schemes for severe compression of iris images in order to assess what their impact would be on recognition performance of the algorithms deployed today for ide...
John Daugman, Cathryn Downing
170
Voted
DCC
1995
IEEE
15 years 8 months ago
Accelerating Fractal Image Compression by Multi-Dimensional Nearest Neighbor Search
: In fractal image compression the encoding step is computationally expensive. A large number of sequential searches through a list of domains (portions of the image) are carried o...
Dietmar Saupe
CAIP
2001
Springer
15 years 9 months ago
A Simple Algorithm for Ordering and Compression of Vector Codebooks
The problem of storage or transmission of codevectors is an essential issue in vector quantization with custom codebook. The proposed technique for compression of codebooks relies ...
Maciej Bartkowiak, Adam Luczak