High-Dynamic-Range and Wide Color Gamut Video

Abstract

The High-Dynamic-Range (HDR) technique, covering the HDR content acquisition, distribution and rendering, enables the detail-rich reproduction of images with large brightness differences. Besides expanding image contrast range, HDR can also contribute to the wide color gamut (WCG). On the other hand, the WCG display technique can benefit to mitigate the heat dissipation problem of HDR display. The popular red, green and blue three-primary colors can only cover a part of all the visible colors, more than three-primary colors are essential for the WCG purpose. Whereas there exist many solutions for acquiring and displaying video contents of more than three-primary colors, their distribution poses a challenge, particularly due to the valuable frequency bandwidth. Among others, this chapter will meet this challenge.