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MM
1994
ACM
143views Multimedia» more  MM 1994»
15 years 1 months ago
Quad-Tree Segmentation for Texture-Based Image Query
In this paper we propose a technique for segmenting images by texture content with application to indexing images in a large image database. Using a quad-tree decomposition, textu...
Jonathan M. Smith, Shih-Fu Chang
GRAPHICSINTERFACE
2008
14 years 11 months ago
A GPU-friendly method for high dynamic range texture compression using inverse tone mapping
In recent years, High Dynamic Range Textures (HDRTs) have been frequently used in real-time applications and video-games to enhance realism. Unfortunately, HDRTs consume a conside...
Francesco Banterle, Kurt Debattista, Patrick Ledda...
CIMAGING
2009
192views Hardware» more  CIMAGING 2009»
14 years 10 months ago
Compressive coded aperture imaging
Nonlinear image reconstruction based upon sparse representations of images has recently received widespread attention with the emerging framework of compressed sensing (CS). This ...
Roummel F. Marcia, Zachary T. Harmany, Rebecca Wil...
JDCTA
2010
113views more  JDCTA 2010»
14 years 4 months ago
A Watermarking Algorithm Based on Block Energy Analysis of Wavelet Transform's Coefficients and Lorenz Chaotic Attractor
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...
Xuelong Hu, Wei Tian, Yongai Zheng
JMIV
2002
126views more  JMIV 2002»
14 years 9 months ago
Tree-Structured Haar Transforms
In our recent work, a class of parametric transforms, including family of Haar-like transforms, was introduced and studied in application to image compression. Parametric Haar-lik...
Karen O. Egiazarian, Jaakko Astola