Film grain noise modeling in advanced video coding

Byung Tae Oh; C.-C. Jay Kuo; Shijun Sun; Shawmin Lei

doi:10.1117/12.707808

29 January 2007 Film grain noise modeling in advanced video coding

Byung Tae Oh, C.-C. Jay Kuo, Shijun Sun, Shawmin Lei

Proceedings Volume 6508, Visual Communications and Image Processing 2007; 650811 (2007) https://doi.org/10.1117/12.707808
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

A new technique for film grain noise extraction, modeling and synthesis is proposed and applied to the coding of high definition video in this work. The film grain noise is viewed as a part of artistic presentation by people in the movie industry. On one hand, since the film grain noise can boost the natural appearance of pictures in high definition video, it should be preserved in high-fidelity video processing systems. On the other hand, video coding with film grain noise is expensive. It is desirable to extract film grain noise from the input video as a pre-processing step at the encoder and re-synthesize the film grain noise and add it back to the decoded video as a post-processing step at the decoder. Under this framework, the coding gain of the denoised video is higher while the quality of the final reconstructed video can still be well preserved. Following this idea, we present a method to remove film grain noise from image/video without distorting its original content. Besides, we describe a parametric model containing a small set of parameters to represent the extracted film grain noise. The proposed model generates the film grain noise that is close to the real one in terms of power spectral density and cross-channel spectral correlation. Experimental results are shown to demonstrate the efficiency of the proposed scheme.

Citation Download Citation

Byung Tae Oh, C.-C. Jay Kuo, Shijun Sun, and Shawmin Lei "Film grain noise modeling in advanced video coding", Proc. SPIE 6508, Visual Communications and Image Processing 2007, 650811 (29 January 2007); https://doi.org/10.1117/12.707808

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