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DCC
2009
IEEE
15 years 4 months ago
On Compression of Data Encrypted with Block Ciphers
This paper investigates compression of encrypted data. It has been previously shown that data encrypted with Vernam’s scheme [1], also known as the one-time pad, can be compress...
Demijan Klinc, Carmit Hazay, Ashish Jagmohan, Hugo...
ICMCS
1998
IEEE
157views Multimedia» more  ICMCS 1998»
15 years 1 months ago
Compressed Domain Transcoding of MPEG
Current video compression formats optimize for either compression or editing. For example, motion-JPEG (MJPEG) provides excellent random access and moderate overall compression, w...
Soam Acharya, Brian C. Smith
DCC
2004
IEEE
15 years 9 months ago
Fast Near-Lossless or Lossless Compression of Large 3D Neuro-Anatomical Images
3D neuro-anatomical images and other volumetric data sets are important in many scientific and biomedical fields. Since such sets may be extremely large, a scalable compression me...
Rongkai Zhao, Michael Gabriel, Geneva G. Belford
ALGORITHMICA
1998
75views more  ALGORITHMICA 1998»
14 years 9 months ago
Average Case Analyses of List Update Algorithms, with Applications to Data Compression
We study the performance of the Timestamp(0) (TS(0)) algorithm for self-organizing sequential search on discrete memoryless sources. We demonstrate that TS(0) is better than Move-...
Susanne Albers, Michael Mitzenmacher
DCC
2010
IEEE
15 years 4 months ago
A New Searchable Variable-to-Variable Compressor
Word-based compression over natural language text has shown to be a good choice to trade compression ratio and speed, obtaining compression ratios close to 30% and very fast decom...
Nieves R. Brisaboa, Antonio Fariña, Juan-Ra...