电子转发女学光电科学与工程学院 SCHOOL OF OPTOELECTRONIC SCIENCE AND ENGINEERING OF UESTC Enhancement and Restoration Comparison between Enhancement and Restoration Image Enhancement Image Restoration Motivation Improve image for perception Improve image for fidelity Process Without considering the Need to consider the degradation degradation model/ model/ Evaluation Subjective process Objective process Implementation Filtering in Spatial/Frequency Filtering in Spatial/Frequency Domain (Convolution) Domain (Deconvolution)Image Enhancement Image Restoration Motivation Improve image for perception Improve image for fidelity Process & Evaluation Without considering the degradation model/ Subjective process Need to consider the degradation model/ Objective process Implementation Filtering in Spatial/Frequency Domain (Convolution） Filtering in Spatial/Frequency Domain (Deconvolution） ◼ Comparison between Enhancement and Restoration Enhancement and Restoration