ITE Technical Report
Online ISSN : 2424-1970
Print ISSN : 1342-6893
ISSN-L : 1342-6893
33.6
Session ID : HI2009-9/ME2009-9/AI
Conference information
An Efficient One-Pass Rate Control Given a Target PSNR for JPEG 2000
Atsumu TANAKATomonori IIDAKiyoshi NISHIKAWAHitoshi KIYA
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Abstract
We propose a one-pass rate control method given a target PSNR for JPEG 2000. The proposed method is based on PCRD-opt algorithm, therefore computational costs for rate controling would not increase compared to those of the rate control method given a target bit-rate. Besides, bit-rate could be controllable under the condition that an upper limit of bit-rate and a target PSNR are simultaneously given. By applying the proposed method to a video sequence compression, we could prevent to generate low PSNR frames. Also, by employing the proposed method with a rate control method given a target bit-rate, it is possible to efficiently reduce the amount of coded data.
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© 2009 The Institute of Image Information and Television Engineers
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