A New Approach to Color Adjustment for Mobile Application Displays with a Skin Protection Algorithm on a CIE1931 Diagram

Most mobile application displays use LCDs (liquid crystal displays). Such panels have various problems, including decreases in transmission and saturation. We propose an algorithm to solve these problems by using data processing without panel replacement. In general, the subtle problems in color adjustment processing are skin color conversion and color saturation. The human skin tone is a color that is typically remembered; viewers feel awkward when skin tone is converted to an unnatural color. This paper proposes as a solution a skin protection algorithm that detects human skin color tone and prevents skin color from changing. Moreover, the paper introduces an adaptive quadratic curve that reproduces natural appearances more vividly without color saturation. In addition, the system does not use field-to-field processing but pixel-to-pixel processing in real time so that incoming image display color can be controlled without interference from neighboring pixels.