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» An ACO algorithm for image compression
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ICIP
1999
IEEE
15 years 11 months ago
A Rearrangement Algorithm of Wavelet Packet Coefficients for Zerotree Coding
Zerotree coding based on the wavelet transform is a very effective image compression technique. Since it exploits the dyadic multiresolution characteristic of wavelet transform, h...
Hyun Duk Cho, Jong Beom Ra
ICASSP
2009
IEEE
14 years 7 months ago
A differential motion estimation method for image interpolation in distributed video coding
Motion estimation methods based on differential techniques proved to be very useful in the context of video analysis, but have a limited employment in classical video compression ...
Marco Cagnazzo, Thomas Maugey, Béatrice Pes...
ICIP
1999
IEEE
15 years 11 months ago
Automatic Caption Localization in Compressed Video
?We present a method to automatically localize captions in JPEG compressed images and the I-frames of MPEG compressed videos. Caption text regions are segmented from background ima...
Yu Zhong, HongJiang Zhang, Anil K. Jain
SRDS
1998
IEEE
15 years 2 months ago
Interactive Image Retrieval over the Internet
In the paper, an e cient image database system is developed. The most important features of the proposed system include compressed domain indexing, searching by using scalable fea...
Jozsef Vass, Jia Yao, Anupam Joshi, Kannappan Pala...
TOG
2002
234views more  TOG 2002»
14 years 9 months ago
Gradient domain high dynamic range compression
We present a new method for rendering high dynamic range images on conventional displays. Our method is conceptually simple, computationally efficient, robust, and easy to use. We...
Raanan Fattal, Dani Lischinski, Michael Werman