Abstract:In some condition the present most of the methods are wake of ship or the natural interwave can be observed in remote sensing imagery. In used to detect linear features. This paper puts forward a method, which uses static boundary contour system based on biological vision and image morphological filter based on mathematical morphology to process images. And after conversion into binary image, the non-linear features are classified using binary morphological filter. The effectiveness of this algorithm is demonstrated by the test results of simulating wake images and actual SAR images of ship wakes