대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 1987년도 전기.전자공학 학술대회 논문집(II)
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- Pages.1379-1382
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- 1987
LMS ALGORITHM을 이용한 HYBRID CODING
HYBRID CODING USING THE LMS ALGORITHM
- Kim, Seung-Won (DEPT. OF ELECTRONICS, SUNG KYUN KWAN UNIV.) ;
- Lee, Keun-Young (DEPT. OF ELECTRONICS, SUNG KYUN KWAN UNIV.)
- 발행 : 1987.07.03
초록
IN ADAPTIVE LINEAR PREDICTION, AN ADAPTIVE CAPABILITY IS BUILT INTO THE PROCESSOR SUCH THAT AS THE IMAGE STATISTICS CHANGE, THE PREDICTION FILTER COEFFICIENTS THEMSELVES CHANGE, PRODUCING A NEW FILTER MORE CLOSELY OPTIMIZED TO THE NEW SET OF IMAGES STATISTICS. THE LMS ALGORITHM MAY BE USED TO ADAPT THE COEFFICIENT OF AN ADAPTIVE PREDICTION FILTER FOR IMAGE SOURCE ENCODING. IN THIS PAPER, TWO CODING SYSTEMS USING DPCM AND LMS ALGORITHMS RESPECTIVELY FOR OBTAINING THE FIRST TRANSFORMED COEFFICIENT IN HYBRID CODING ARE COMPARED.
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