DocumentCode
705107
Title
Quality controlled artifact reduction
Author
Richter, Martin ; Stober, Mathias ; Schroder, Hartmut
Author_Institution
Circuits & Syst. Lab., Tech. Univ. Dortmund, Dortmund, Germany
fYear
2010
fDate
23-27 Aug. 2010
Firstpage
621
Lastpage
625
Abstract
Strongly varying input content to modern flat panel displays makes highly adaptive algorithms mandatory. On the one hand, low quality content is dominated by coding artifacts and therefore strong artifact reduction can increase image quality. On the other hand, too strong processing removes image details in high quality video. These contrary optimization criteria cannot be fulfilled easily by simple processing strategies. This paper proposes a framework utilizing different artifact reduction algorithms while their output is controlled by objective quality measures selecting the most suitable algorithm at run-time. Thus, a dynamic selection of the optimal processing for each input scenario over a wide quality level is possible. Integrating a feedback loop and applying the process again can further enhance the output quality.
Keywords
image coding; image enhancement; optimisation; feedback loop; flat panel display; image coding artifact; image quality; optimization criteria; output quality enhancement; quality controlled artifact reduction algorithm; Algorithm design and analysis; Distortion measurement; Image quality; Optimization; Signal processing algorithms; Transform coding;
fLanguage
English
Publisher
ieee
Conference_Titel
Signal Processing Conference, 2010 18th European
Conference_Location
Aalborg
ISSN
2219-5491
Type
conf
Filename
7096380
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