Title :
Temporal propagation analysis for small errors in a single-frame in H.264 video
Author :
Tan, Wai-tian ; Shen, Bo ; Patti, Andrew ; Cheung, Gene
Author_Institution :
Hewlett-Packard Labs., Palo Alto, CA
Abstract :
This paper studies the temporal error propagation of small errors in a single frame for H.264 video. Such small errors can arise due to imperfect recovery from loss, e.g., through error concealment. The key contribution of this paper include demonstrating empirically that small errors tend to amplify over time, and is primarily caused by rounding errors in motion compensation and selective application of deblocking filter based on thresholding. Some methods of reducing error amplification is also presented.
Keywords :
error statistics; filtering theory; image segmentation; motion compensation; video coding; H.264 video coding; deblocking filter; error amplification reduction; error concealment; image thresholding; motion compensation; rounding error; temporal error propagation analysis; Encoding; Error analysis; Filters; Laboratories; Milling machines; Motion compensation; PSNR; Quadratic programming; Roundoff errors; Video compression; Error analysis; video coding;
Conference_Titel :
Image Processing, 2008. ICIP 2008. 15th IEEE International Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-1765-0
Electronic_ISBN :
1522-4880
DOI :
10.1109/ICIP.2008.4712392