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정수 비트 할당을 위한 최대 탐욕 및 최소 탐욕 알고리즘에 관한 연구The Most and Least Greedy Algorithms for Integer Bit Allocation

Other Titles
The Most and Least Greedy Algorithms for Integer Bit Allocation
Authors
임종태유도식
Issue Date
2007
Publisher
한국항행학회
Keywords
Bit Allocation; Transform Coding; Quantization; Integer Constraint; DualityI. IntroductionOne of the fundamental problems in designing transform coders is rate allocation: distributing a given average bit rate among the coefficient quantizers to min; Bit Allocation; Transform Coding; Quantization; Integer Constraint; DualityI. IntroductionOne of the fundamental problems in designing transform coders is rate allocation: distributing a given average bit rate among the coefficient quantizers to min
Citation
한국항행학회논문지, v.11, no.4, pp.388 - 393
Journal Title
한국항행학회논문지
Volume
11
Number
4
Start Page
388
End Page
393
URI
https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/23682
ISSN
1226-9026
Abstract
변환부호화기(Transform coders)를 설계함에 있어서 비트 할당(Bit allocation)은 중요한 설계 요인 중의 하나이다. 본 논문에서는 고해상(high-resolution) 이론에 의한 수식들을 바탕으로 각 계수 양자화기들의 비트율을 정수값으로 할당해주는 최적의 알고리즘인 최대 탐욕 알고리즘과 최소 탐욕 알고리즘을 제안하였다. 특히, 제안된 최대 탐욕 알고리즘과 최소 탐욕 알고리즘에서 쌍대성(duality) 성질을 확인할 수 있었다.
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