An Image Processing Based Visual Compensation System for Vision Defects

This paper is dedicated to develop an integrated portable aiding system for the visually impaired, such as color blindness, low vision, or visual field defects. First, individual visual model, including the effective visual field, color response, and contrast sensitivity, for each user can be evaluated by the proposed test method first. Then the input video sequence can be adjusted accordingly to fit each user´s visual model hence to compensate their perceptual defects. In combination with head mounted micro displays, it is shown that the proposed visual auxiliary system can improve their visual awareness of the surroundings and enhance their visual perception effectively.