Evaluation of the legibility of the on-screen contents of in-vehicle transparent displays

With regard to the on-screen contents of transparent displays utilized inside vehicles, legibility is one of the most important factors to be considered. This paper proposes a quantitative legibility evaluation model of in-vehicle transparent displays. Human visual experiments were performed based on the simulation of a perceived image. The results of the visual experiments served as qualitative evaluation data of legibility, and were utilized to determine the weights in the proposed model through the multiple regression technique. The experiment results indicated that the proposed model obtained higher Pearson correlation coefficient values than those obtained in the previous works.