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- W2082261201 abstract "본 논문에서는 소형표적의 검출속도를 개선하기 위하여, SAD 알고리즘을 이용한 소형표적 검출 방법을 제안한다. 먼저 미디언 필터를 사용해서 클러터를 제거한다. 다음으로 다양한 크기의 구조 요소를 이용해 닫힘 연산과 열림 연산을 수행하고, 닫힘 연산 결과와 열림 연산 결과를 차 연산 하여 표적 후보 화소를 추출한다. 정확한 소형 표적을 검출하기 위해 표적 후보 영역에서 가우시안 거리 함수를 이용하여 표적을 검출한다. 검출 속도를 개선하기 위하여 다음 7프레임에서는 표적의 방향성을 예측한 후, SAD알고리즘을 이용해서 표적을 검출한다. 제안한 방법은 예측된 영역에서만 표적을 추출함으로써 97%의 검출율을 나타내며, 실시간 처리가 가능한 장점을 가지고 있다. We propose a method for improving detection speed of small target detection system using SAD algorithm. First, the proposed method deletes clutters using a median filter. Next, it does closing and opening operation using various size of structure elements, and extracts candidate pixels for a target with subtraction operation between the results of closing and opening operation. It finally detects a small target using a gaussian distance function from the candidate pixels. To improve detection speed, it detects a target performing SAD algorithm only for the predicted target areas for next every 7 frames. The proposed method not only enables a real time process because it considers only predicted area but also shows detecting rate of 97%." @default.
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- W2082261201 date "2013-08-31" @default.
- W2082261201 modified "2023-10-17" @default.
- W2082261201 title "Improvement of detecting speed of small target using SAD algorithm" @default.
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- W2082261201 doi "https://doi.org/10.9723/jksiis.2013.18.4.053" @default.
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