Pel-adaptive lossless predictive coding based on image segmentation

Takayuki Nakachi; Tatsuya Fujii; Junji Suzuki

doi:10.1117/12.334645

28 December 1998 Pel-adaptive lossless predictive coding based on image segmentation

Takayuki Nakachi, Tatsuya Fujii, Junji Suzuki

Proceedings Volume 3653, Visual Communications and Image Processing '99; (1998) https://doi.org/10.1117/12.334645
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

Lossless image coding that can recover original image from its compressed signal is required in the fields of medical imaging, fine arts, printing, and any applications demanding high image fidelity. MAR (Multiplicative Autoregressive) predictive coding is an efficient lossless compression scheme. In this method, prediction coefficients are fixed within the subdivided block-by-block image and cannot to be adopted to local statistics efficiently. Furthermore, side-information such as prediction coefficients must be transmitted to the decoder at each block. In this paper, we propose an improved MAR coding method based on image segmentation. The proposed MAR predictor can be adapted to local statistics of image efficiently. This coding method does not need transmit side- information to the decoder at each pixel. The effectiveness of the proposed model is shown through experiments using SHD images.

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Takayuki Nakachi, Tatsuya Fujii, and Junji Suzuki "Pel-adaptive lossless predictive coding based on image segmentation", Proc. SPIE 3653, Visual Communications and Image Processing '99, (28 December 1998); https://doi.org/10.1117/12.334645

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KEYWORDS

Image segmentation

Image compression

Mahalanobis distance

Medical imaging

Computer programming

Signal to noise ratio

Statistical modeling

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