15 search results - page 2 / 3 » Sparsity-undersampling tradeoff of compressed sensing in the... |
TCSV
2008
13 years 7 months ago
2008
We present a compressed domain scheme that is able to recognize and localize actions in real-time1 . The recognition problem is posed as performing an action video query on a test ...
VCIP
2000
13 years 8 months ago
2000
A new down-conversion scheme in the DCT domain is presented, which can be used in decoders of DCT-compressed images and videos. The down-conversion in the transform domain general...
CRYPTO
2007
Springer
14 years 1 months ago
2007
Springer
We initiate a complexity-theoretic treatment of hardness amplification for collision-resistant hash functions, namely the transformation of weakly collision-resistant hash functio...
TMM
2010
13 years 2 months ago
2010
Traditionally, video acquisition, coding and analysis have been designed and optimized as independent tasks. This has a negative impact in terms of consumed resources, as most of ...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
Hashes can be used to provide authentication of multimedia contents. In the case of images, a hash can be used to detect whether the data has been modified in an illegitimate way....