Region-adaptive JPEG encoding scheme for medical images

HyoJoon Kim; Jun Seok Song; Seung Jo Kim; JongHyo Kim; ChoongWoong Lee

doi:10.1117/12.312537

26 June 1998 Region-adaptive JPEG encoding scheme for medical images

HyoJoon Kim, Jun Seok Song, Seung Jo Kim, JongHyo Kim, ChoongWoong Lee

Proceedings Volume 3335, Medical Imaging 1998: Image Display; (1998) https://doi.org/10.1117/12.312537
Event: Medical Imaging '98, 1998, San Diego, CA, United States

Abstract

This paper presents a region adaptive encoding scheme with JPEG decoder compatibility. This scheme adequately changes the Lagrange multiplier in R-D cost function for each block according to the segmentation information so that the important region for diagnosis can be coded with less distortion. The results show that the proposed scheme not only outperforms original JPEG but also outperforms R-D optimal thresholding JPEG in important regions with respect to image fidelity.

Citation Download Citation

HyoJoon Kim, Jun Seok Song, Seung Jo Kim, JongHyo Kim, and ChoongWoong Lee "Region-adaptive JPEG encoding scheme for medical images", Proc. SPIE 3335, Medical Imaging 1998: Image Display, (26 June 1998); https://doi.org/10.1117/12.312537

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KEYWORDS

Distortion

Image segmentation

Computer programming

Medical imaging

Image compression

Mammography

Tin

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