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Abstract-Aiming at the shortcomings of Chan-Vese (C-V) model, using the method of literature and experimental method, based on C-V model, whose length term is changed into an automatic "rectify a deviation" term, using the adaptive parameters, an active contour model with automatic "rectify a deviation" is proposed, The experimental results show that this model can handle images with intensity inhomogeneity and strong noise, the segmentation speed is fast.