A method of converting an input image into an enhanced output image is disclosed. The method comprises: detecting (606) whether a particular pixel of the input image corresponds to an edge in the input image; establishing (606) an orientation for the particular pixel; and computing a final pixel value of the enhanced output image, corresponding to the particular pixel, by means of an orientation dependent sharpening filtering operation on basis of the particular pixel and a number of pixels being located in spatial neighborhood of the particular pixel, the orientation dependent sharpening filtering having a first component (702) and a second component (704), a first angle between a first orientation of the first component and the established orientation of the particular pixel being equal to a first predetermined value and a second angle between a second orientation of the second component and the established orientation of the particular pixel being equal to a second predetermined value, the second orientation and the first orientation being mutually different.