A Non-linear Image Enhancement Method By Spline Basis Filter

Abstract

In this paper, we propose a spline basis filter to improve the non-linear image enhancement method. In addition, a higher-frequency component is predicted to solve the blurred problem of an enlarged image. Furthermore, the proposed enhancement method can be used along with the video coding to improve the quality of decoded image. Experimental result shows that the proposed method yields a better quality of the reconstructed image than other non-linear enhancement methods.