This paper discusses the bit-rate compression of super high definition images with Discrete Cosine Transform (DCT). Super high definition images with more than 2048x2048 pixels of resolution are introduced as the next generation image category beyond HDTV. In order to develop bit-rate reduction algorithms an image I/O system for super high definition still images is assembled. A traditional DCT based coding algorithm called Scene Adaptive Coder (SAC) is applied to super high definition images and related problems are clarified. A new coding algorithm is proposed which takes human visual perception characteristics into consideration and its coding performance is examined for super high definition images.
Source coding of super high definition images with discrete cosine transform
Visual Communications and Image Processing '90: Fifth in a Series ; 1990 ; Lausanne,Switzerland
Proc. SPIE ; 1360
1990-09-01
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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