﻿ 基于代数多重网格的图像拼接中动态目标的检测

# 基于代数多重网格的图像拼接中动态目标的检测Dynamic Object Detection in Image Mosaic Based on Algebraic Multigrid

Abstract: The moving targets appearing in image mosaic may cause results of the abnormal splicing or mul-tiple images of the same object appearing in the result image. This paper presents a method of de-tection of moving target in image mosaic, so as to remove the effect of moving targets in the image mosaic. Multi-scene images collected should be spliced firstly. If the splice procedure cannot be processed normally, algebraic multigrid (AMG) method should be applied to the original image. The data of the multilayered coarse level are extracted to reconstruct the image with AMG method. Then, background subtraction method is utilized to detect moving targets to eliminate the interference of moving objects. If multiple images appear in the splicing process, the above mentioned procedure is employed to extract the moving targets, and to analyze the trajectory of moving objects. Experimental results show that the method in this paper has strong robustness, and it can effectively remove interference of noise and detect moving targets accurately.

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