Digital Image Processing: A Systems Approach
Digital Image Processing: A Systems Approach
Digital Image Processing
Digital Color Imaging Handbook
Digital Color Imaging Handbook
Information Visualization: Perception for Design
Information Visualization: Perception for Design
Introduction to Color Imaging Science
Introduction to Color Imaging Science
Color Imaging: Fundamentals and Applications
Color Imaging: Fundamentals and Applications
Single-Sensor Imaging: Methods and Applications for Digital Cameras
Single-Sensor Imaging: Methods and Applications for Digital Cameras
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This paper proposes a method to detect and correct purple fringing, which is one of color artifacts due to characteristics of charge coupled device sensors in a digital camera. The proposed method consists of two steps: detection and correction of purple fringing. In the first step, we detect the purple fringed regions that satisfy specific properties: image regions with large gradient magnitudes and with the chromaticity values within the purple color range set in the CIE xy chromaticity diagram. In the second step, color of the purple fringed regions is corrected in the CIE xy chromaticity diagram by color desaturation of the detected pixels. The proposed method is able to detect purple fringe artifacts more precisely and correct them more naturally than existing methods. It can be used as a post processing in a digital camera.