EmoTune - Changing Emotional Response to Images

摘要

Images and videos can be touching, triggering emotional responsesrnor even changing the mood of the observer. The responsernis influenced both by the image content as well as the appearancernof the image. In this paper, we investigate how solely simple imagernprocessing, i.e., modifying the brightness, the saturation, orrnthe color temperature, actually changes the emotional perception.rnWe collect empirical data on images associated with emotion labelsrnand analyze the valence ratings of the different modificationsrnand their strengths. We show that these relationships tend to bernlinear only in a limited range while sometimes stronger modificationsrnlead to the opposite effect. Pushing the modifiers towardsrnthe boundaries we derive from those ranges and combining themrnsuccessfully shifted the emotional affect on 92% on around 80rnsamples. From these findings we derive our EmoTune filter whichrnallows for almost linear control by combining specific modes andrndemonstrate successful application to both images and videos.