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1 May 1994 Simple high-quality lossy image coding scheme
Shaolin Bi, Khalid Sayood
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Proceedings Volume 2186, Image and Video Compression; (1994) https://doi.org/10.1117/12.173911
Event: IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, 1994, San Jose, CA, United States
Abstract
A simple yet efficient image data compression method is presented in this paper. This method is based on coding only those segments of the image that are perceptually significant to the reconstruction of the image. Sequences of image pixels whose gray level differences from the pixels of the previous row exceed two prespecified thresholds are considered significant. These pixels are coded using a DPCM scheme with recursively indexed nonuniform quantizers. Simulation results show that this scheme can get subjectively satisfactory reconstructed images at low bit rates. It is also computationally very simple which makes it amenable to fast implementation.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Shaolin Bi and Khalid Sayood "Simple high-quality lossy image coding scheme", Proc. SPIE 2186, Image and Video Compression, (1 May 1994); https://doi.org/10.1117/12.173911
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KEYWORDS
Image segmentation
Image compression
Image quality
Binary data
Video compression
Algorithm development
Distortion
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