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학술지 파워 가중치를 이용한 오디오 핑거 프린트 정합
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저자
서진수, 김정현, 김혜미
발행일
201911
출처
한국음향학회지, v.38 no.6, pp.716-723
ISSN
2287-3775
출판사
한국음향학회
DOI
https://dx.doi.org/10.7776/ASK.2019.38.6.716
협약과제
19KS1100, 음악 및 동영상 모니터링을 위한 지능형 마이크로 식별 기술 개발, 박지현
초록
Fingerprint matching accuracy is essential in deploying a music search service. This paper deals with a method to improve fingerprint matching accuracy by utilizing an auxiliary information which is called power weight. Power weight is an expected robustness of each hash bit. While the previous power mask binarizes the expected robustness into strong and weak bits, the proposed method utilizes a real-valued function of the expected robustness as weights for fingerprint matching. As a countermeasure to the increased storage cost, we propose a compression method for the power weight which has strong temporal correlation. Experiments on the publicly-available music datasets confirmed that the proposed power weight is effective in improving fingerprint matching performance.
KSP 제안 키워드
Compression method, Fingerprint matching, Matching accuracy, Matching performance, Music search, Real-valued, Storage Cost, Temporal Correlation, auxiliary information