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Existing algorithms of moving objects detecting under the condition of illumination mutation provide lower accuracy and higher false results, so an algorithm combining the LTP operator with illumination compensation is proposed in this paper. Firstly, the LTP operator is taken advantage of to obtain texture feature of the current frame and its background. Secondly, calculate the probability that the points of current frame are the foreground and update the background frame according to the probability. Thirdly, judge whether the illumination mutation happens or not, and the images of illumination mutation are dealt with linear compensation model. Lastly, background subtraction is employed to get the moving objects. Experiment result shows that the algorithm of moving objects detecting has strong robustness under the condition of illumination mutation, and the PR is higher than other algorithms.