High dynamic range video transmission and display using standard dynamic range technologies

A. Léonce; Tao-i Hsu; D. S. Wickramanayake; E. A. Edirisinghe

doi:10.1117/12.922851

3 May 2012 High dynamic range video transmission and display using standard dynamic range technologies

A. Léonce, Tao-i Hsu, D. S. Wickramanayake, E. A. Edirisinghe

Proceedings Volume 8436, Optics, Photonics, and Digital Technologies for Multimedia Applications II; 84361D (2012) https://doi.org/10.1117/12.922851
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

This paper presents a novel system that makes effective use of High Dynamic Range (HDR) image data to improve and maintain the best viewing quality of video broadcast on current mobile display devices. The proposed approach combines bilateral filtering with an adaptive tone mapping method used to enable the enhancement of the perceptual quality of the video frames at the display device. The bilateral filter separates the frame into large-scale and detail layers. The large-scale layer is divided into bright, mid-tone and dark regions, which are each processed by an appropriate tone mapping function. Ambient and backlight sensors at the display device provide information about current illumination conditions, which are used to intelligently and dynamically vary the levels and thresholds of post-processing applied at the decoder, thereby maintaining a constant level of perceived quality.

Citation Download Citation

A. Léonce, Tao-i Hsu, D. S. Wickramanayake, and E. A. Edirisinghe "High dynamic range video transmission and display using standard dynamic range technologies", Proc. SPIE 8436, Optics, Photonics, and Digital Technologies for Multimedia Applications II, 84361D (3 May 2012); https://doi.org/10.1117/12.922851

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KEYWORDS

High dynamic range imaging

Image enhancement

Video

Image compression

Image processing

Image filtering

Light sources and illumination

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