Embedding high dynamic range tone mapping in JPEG compression

Jian Liu; Firas Hassan; Joan Carletta

doi:10.1117/12.2000782

19 February 2013 Embedding high dynamic range tone mapping in JPEG compression

Jian Liu, Firas Hassan, Joan Carletta

Author Affiliations +

Proceedings Volume 8655, Image Processing: Algorithms and Systems XI; 86550B (2013) https://doi.org/10.1117/12.2000782
Event: IS&T/SPIE Electronic Imaging, 2013, Burlingame, California, United States

Abstract

A method that integrates tone mapping for high dynamic range (HDR) gray-scale images with JPEG compression is proposed. The tone mapping operator (TMO) is block-based, and structured so that the same discrete cosine transform (DCT) that is used for the JPEG compression serves to complete a major part of the tone-mapping operation. Simulations have been done on high dynamic range images from the Debevec library. Experimental results show the technique successfully tone maps and compresses simultaneously; the number of bits per pixel is reduced from 32 to an average of 0.67 by the compression, with an average PSNR of 56.3 dB for the compressed tone-mapped images compared to images that have been only tone-mapped. The output of the proposed method is an image that requires only limited storage space, and can be decompressed with a standard JPEG decoder.

Citation Download Citation

Jian Liu, Jian Liu, Firas Hassan, Firas Hassan, Joan Carletta, Joan Carletta, "Embedding high dynamic range tone mapping in JPEG compression", Proc. SPIE 8655, Image Processing: Algorithms and Systems XI, 86550B (19 February 2013); doi: 10.1117/12.2000782; https://doi.org/10.1117/12.2000782

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