Noise level and MPEG-2 encoder statistics

Jungwoo Lee

doi:10.1117/12.263223

10 January 1997 Noise level and MPEG-2 encoder statistics

Jungwoo Lee

Proceedings Volume 3024, Visual Communications and Image Processing '97; (1997) https://doi.org/10.1117/12.263223
Event: Electronic Imaging '97, 1997, San Jose, CA, United States

Abstract

Most software in the movie and broadcasting industries are still in analog film or tape format, which typically contains random noise that originated from film, CCD camera, and tape recording. The performance of the MPEG-2 encoder may be significantly degraded by the noise. It is also affected by the scene type that includes spatial and temporal activity. The statistical property of noise originating from camera and tape player is analyzed and the models for the two types of noise are developed. The relationship between the noise, the scene type, and encoder statistics of a number of MPEG-2 parameters such as motion vector magnitude, prediction error, and quant scale are discussed. This analysis is intended to be a tool for designing robust MPEG encoding algorithms such as preprocessing and rate control.

Citation Download Citation

Jungwoo Lee "Noise level and MPEG-2 encoder statistics", Proc. SPIE 3024, Visual Communications and Image Processing '97, (10 January 1997); https://doi.org/10.1117/12.263223

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