Emotional factors related to the image quality of screen display

Nowadays improvements in digital display technologies, it needs to provide user with customized image quality them satisfying in the concatenation of diverse transmission media and a changing viewer environment. To product good image quality for screen display of electronic devices such as TV, monitor, mobile phone, etc., it is important to consider users' emotion. This paper is to investigate emotional factor determining users' satisfaction while watching different levels of screen display image (human, indoor, fruits, and landscape). 36 male and female students participated in this study. While watching participants each scene, only one physical measure could be adjusted remotely by the experimenter. Participants rated their emotion induced by image quality of each scene on emotion assessment scale. Statistical analysis of factor analysis and regression analysis were performed to identify the structure of emotion factors of screen display image quality and emotion factors predicting satisfactory level of the screen display image quality. We examined emotional factors predicting satisfactory level by image quality of four different stimuli (human, indoor, fruits, and landscape). These stimuli had different image qualities combined by different levels of brightness, contrast, sharpness, tint, and color through a screen display. We could identify that the adjectives determining degree of user's satisfaction to the image on screen display turned out `degree of naturalness', `refreshment', and `smoothness'.