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홀로그래픽 정보저장기기의 재생 이미지 패턴을 이용한 디스크 틸트 오차 측정
임성용 ( Sung Yong Lim ),한초록 ( Cho Lok Han ),김도형 ( Do Hyung Kim ),양현석 ( Hyun Seok Yang ),박노철 ( No Cheol Park ),박영필 ( Young Pil Park ) 정보저장시스템학회 2012 정보저장시스템학회논문집 Vol.8 No.2
Page-oriented holographic data storage (HDS) is very sensitive to the tilt error. Therefore, tilt error should be measured and compensated. Especially, mechanical tilt measurement method cannot cope with tilt error measurement because photopolymer medium has shrinkage problem. Therefore, the method to solve this problem is using the reconstructed image which can represent both tilt and shrinkage effect. In this paper, we suggest disc tilt measurement algorithm using image pattern of retrieval data.