Subjective quality assessment of numerically reconstructed compressed holograms

Ayyoub Ahar; David Blinder; Tim Bruylants; Colas Schretter; Adrian Munteanu; Peter Schelkens

doi:10.1117/12.2189887

22 September 2015 Subjective quality assessment of numerically reconstructed compressed holograms

Ayyoub Ahar, David Blinder, Tim Bruylants, Colas Schretter, Adrian Munteanu, Peter Schelkens

Proceedings Volume 9599, Applications of Digital Image Processing XXXVIII; 95990K (2015) https://doi.org/10.1117/12.2189887
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Recently several papers reported efficient techniques to compress digital holograms. Typically, the rate-distortion performance of these solutions was evaluated by means of objective metrics such as Peak Signal-to-Noise Ratio (PSNR) or the Structural Similarity Index Measure (SSIM) by either evaluating the quality of the decoded hologram or the reconstructed compressed hologram. Seen the specific nature of holograms, it is relevant to question to what extend these metrics provide information on the effective visual quality of the reconstructed hologram. Given that today no holographic display technology is available that would allow for a proper subjective evaluation experiment, we propose in this paper a methodology that is based on assessing the quality of a reconstructed compressed hologram on a regular 2D display. In parallel, we also evaluate several coding engines, namely JPEG configured with the default perceptual quantization tables and with uniform quantization tables, JPEG 2000, JPEG 2000 extended with arbitrary packet decompositions and direction-adaptive filters and H.265/HEVC configured in intra-frame mode. The experimental results indicate that the perceived visual quality and the objective measures are well correlated. Moreover, also the superiority of the HEVC and the extended JPEG 2000 coding engines was confirmed, particularly at lower bitrates.

Citation Download Citation

Ayyoub Ahar, David Blinder, Tim Bruylants, Colas Schretter, Adrian Munteanu, and Peter Schelkens "Subjective quality assessment of numerically reconstructed compressed holograms", Proc. SPIE 9599, Applications of Digital Image Processing XXXVIII, 95990K (22 September 2015); https://doi.org/10.1117/12.2189887

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