Document - Effects of display rendering on HDR image quality assessment

2015

Conference article Open Access

Effects of display rendering on HDR image quality assessment

Zerman E., Valanzise G., De Simone F., Banterle F., Dufaux F.

[INFO.INFO-TS]Computer Science [cs]/Signal and Image Processing [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing High Dynamic Range Imaging quality assessment High dynamic range image coding

High dynamic range (HDR) displays use local backlight modulation to produce both high brightness levels and large contrast ratios. Thus, the display rendering algorithm and its parameters may greatly affect HDR visual experience. In this paper, we analyze the impact of display rendering on perceived quality for a specific display (SIM2 HDR47) and for a popular application scenario, i.e., HDR image compression. To this end, we assess whether significant differences exist between subjective quality of compressed images, when these are displayed using either the built-in rendering of the display, or a rendering algorithm developed by ourselves. As a second contribution of this paper, we investigate whether the possibility to estimate the true pixel-wise luminance emitted by the display, offered by our rendering approach, can improve the performance of HDR objective quality metrics that require true pixel-wise luminance as input. © (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

Source: Applications of Digital Image Processing XXXVIII, San Diego, CA, USA, 9 August 2015

Publisher: SPIE, The International Society for Optical Engineering, Bellingham, WA

Citations

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[7] Valenzise, G., De Simone, F., Lauga, P., and Dufaux, F., \Performance evaluation of objective quality metrics for hdr image compression," in [SPIE Optical Engineering+ Applications ], 92170C{92170C, International Society for Optics and Photonics (2014).

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BibTeX entry

@inproceedings{oai:it.cnr:prodotti:342657,
	title = {Effects of display rendering on HDR image quality assessment},
	author = {Zerman E. and Valanzise G. and De Simone F. and Banterle F. and Dufaux F.},
	publisher = {SPIE, The International Society for Optical Engineering, Bellingham, WA },
	doi = {10.1117/12.2186674},
	booktitle = {Applications of Digital Image Processing XXXVIII, San Diego, CA, USA, 9 August 2015},
	year = {2015}
}