From Event: SPIE Optical Engineering + Applications, 2016
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.
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 (Presented at SPIE Optical Engineering + Applications: September 01, 2016; Published: 28 September 2016); https://doi.org/10.1117/12.2238411.
Conference Presentations are recordings of oral presentations given at SPIE conferences and published as part of the conference proceedings. They include the speaker's narration along with a video recording of the presentation slides and animations. Many conference presentations also include full-text papers. Search and browse our growing collection of more than 12,000 conference presentations, including many plenary and keynote presentations.