Precise Target Detection with Projection of Difference Map and Background Extraction

Precise Target Detection with Projection of Difference Map and Background Extraction

  One of the basic processes of the target tracking system with imaging sensors is the segmentation that separates an object from the background in a given image. In this paper, a new technique for detecting the object in a given image sequence with the stationary background is suggested by using a gated difference image. By using the gated difference image, the gray level intensity of pixels in the difference image is projected and averaged on each axis. Then, the gate of the object is set by means of a mean value of pixels of the difference image in order to eliminate stains from the background. By putting a limit on the gate of the object in the segmentation process, stains which can be generated from the background are eliminated a priori. And the object is distinguished from the background by a simple background extraction. The proposed technique has been tested on several data.