Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Moving Object Detection using Gaussian Pyramid based Subtraction Images in Road Video Sequences

가우시안 피라미드 기반 차영상을 이용한 도로영상에서의 이동물체검출

  • Kim, Dong-Keun (Division of Computer Science and Engineering, Kongju University)
  • Received : 2011.11.01
  • Accepted : 2011.12.13
  • Published : 2011.12.31
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Abstract

In this paper, we propose a moving object detection method in road video sequences acquired from a stationary camera. Our proposed method is based on the background subtraction method using Gaussian pyramids in both the background images and input video frames. It is more effective than pixel based subtraction approaches to reduce false detections which come from the mis-registration between current frames and the background image. And to determine a threshold value automatically in subtracted images, we calculate the threshold value using Otsu's method in each frame and then apply a scalar Kalman filtering to the threshold value. Experimental results show that the proposed method effectively detects moving objects in road video images.

본 논문은 도로상에 설치한 고정 카메라로부터 획득된 비디오 영상으로부터 이동물체를 검출하는 방법을 제안한다. 제안된 방법은 배경과 입력 비디오 프레임에서 가우시안 피라미드를 사용한 배경 차영상 기법에 기반하며, 입력 비디오 프레임과 배경영상의 오정합으로 발생하는 오검출을 줄이는데 화소기반 방법에 비해 효과적이다. 차영상에서 임계값을 효과적으로 결정하기위하여 각 프레임에서 Otsu의 방법으로 계산된 임계값에 스칼라 칼만필터를 적용하여 필터링하였다. 실험 결과 도로 비디오 영상에서 움직이는 물체를 효과적으로 검출함을 보였다.

Keywords

References

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