Visibility thresholds for visually lossy JPEG2000

Feng Liu; Yuzhang Lin; Eze L. Ahanonu; Michael W. Marcellin; Amit Ashok; Elizabeth A. Krupinski; Ali Bilgin

doi:10.1117/12.2238411

28 September 2016 Visibility thresholds for visually lossy JPEG2000

Feng Liu, Yuzhang Lin, Eze L. Ahanonu, Michael W. Marcellin, Amit Ashok, Elizabeth A. Krupinski, Ali Bilgin

Proceedings Volume 9971, Applications of Digital Image Processing XXXIX; 99711P (2016) https://doi.org/10.1117/12.2238411
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

Recently, Han et. al. developed a method for visually lossless compression using JPEG2000. In this method, visibility thresholds (VTs) are experimentally measured and used during quantization to ensure that the errors introduced by quantization are below these thresholds. In this work, we extend the work of Han et. al. to visually lossy regime. We propose a framework where a series of experiments are conducted to measure Just-Noticeable-Differences using the quantization distortion model introduced by Han et. al. The resulting thresholds are incorporated into a JPEG2000 encoder to yield visually lossy, JPEG2000 Part 1 compliant codestreams.

Conference Presentation

Citation Download Citation

Feng Liu, Yuzhang Lin, Eze L. Ahanonu, Michael W. Marcellin, Amit Ashok, Elizabeth A. Krupinski, and Ali Bilgin "Visibility thresholds for visually lossy JPEG2000", Proc. SPIE 9971, Applications of Digital Image Processing XXXIX, 99711P (28 September 2016); https://doi.org/10.1117/12.2238411

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