• 한국정보통신학회:학술대회논문집
• /
• 한국해양정보통신학회 2008년도 추계종합학술대회 B
• /
• pp.157-160
• /
• 2008

A realization for moving object detecting and tracking system in two dimensional plane using stereo line CCDs and lighting source is presented in this paper. Instead of processing camera images directly, two line CCD sensor and input line image is used to measure two dimensional distance by comparing the brightness on line CCDs. The algorithms are used the moving object tracking and coordinate converting method. To ensure the effective detection of moving path, a detection algorithm to evaluate the reliability of each measured distance is developed. The realized system results are that the performance of moving object recognizing shows 5mm resolution and mean error is 1.89%, and enables to track a moving path of object per 100ms period.

• 한국정보통신학회논문지
• /
• 제12권11호
• /
• pp.2050-2056
• /
• 2008

본 논문은 스테레오 라인 CCD와 광원을 이용한 2차원 평면에서 이동객체를 인식하고 이동경로를 추적하는 시스템 구현이다. 시스템 구현은 카메라 이미지를 직접 처리하는 대신 두개의 라인 CCD 센서와 입력된 라인 이미지의 밝기를 비교하여 2차원 거리를 측정한다. 알고리듬은 이동객체감지, 경로추적과 좌표변환 기법을 적용한다. 객체의 이동경로를 효과적으로 감지하기 위하여 측정된 거리의 신뢰성을 평가하는 알고리즘을 개발하였다. 시스템을 구현하여 실험한 결과 5mm 인식율과 100ms 주기 이상의 이동객체경로 추적이 가능하였다.

• 제어로봇시스템학회논문지
• /
• 제10권11호
• /
• pp.1017-1021
• /
• 2004

In this paper, a cost-effective integrated 3D system for measuring and sizing foot is proposed. The proposed system employs two CCDs and a laser line projector which are capable of accurately measuring foot. The measurement is based upon the biologically motivated stereo vision principle providing ruggedness against minor system distortions. According to the tolerance, calibration between two different views are implicitly applied. Furthermore, the measurement system employs a measurement base, a frame grabber, a CCD moving cart, a stepping motor and computer. Analysis and design procedure is presented for the calculation of the 3D foot data and the proposed system. Experimental results on the proposed system would verify the concept and system operation.