Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.

Investigation of perception-oriented coding techniques for video compression based on large block structures

: Kaprykowsky, H.; Doshkov, D.; Hoffmann, C.; Ndjiki-Nya, P.; Wiegand, T.


Tescher, A.G. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Applications of digital image processing XXXIV. Proceedings : 22 - 24 August 2011, San Diego, California, United States
Bellingham, WA: SPIE, 2011 (SPIE Proceedings 8135)
ISBN: 978-0-8194-8745-2
ISSN: 0038-7355
Paper 81350K
Conference "Applications of Digital Image Processing" <34, 2011, San Diego/Calif.>
Conference "Optics and Photonics" <2011, San Diego/Calif.>
Fraunhofer HHI ()

Recent investigations have shown that one of the most beneficial elements for higher compression performance in highresolution video is the incorporation of larger block structures. In this work, we will address the question of how to incorporate perceptual aspects into new video coding schemes based on large block structures. This is rooted in the fact that especially high frequency regions such as textures yield high coding costs when using classical prediction modes as well as encoder control based on the mean squared error. To overcome this problem, we will investigate the incorporation of novel intra predictors based on image completion methods. Furthermore, the integration of a perceptualbased encoder control using the well-known structural similarity index will be analyzed. A major aspect of this article is the evaluation of the coding results in a quantitative (i.e. statistical analysis of changes in mode decisions) as well as qualitative (i.e. coding efficiency) manner.