Showing Different Images Simultaneously by using Chromatic Temporal Response in Human Vision

In this paper, we propose a novel method for showing different images to multiple observers simultaneously by using the difference in their chromatic and temporal retinal response. The chromatic and temporal response characteristics of human retina have individuality, and thus each observer observes slightly different image, even if the same image is presented to these observers. In this paper, we formalize the chromatic and temporal relationship between the input stimulus and the response in human vision, and propose a method for showing arbitrary different images to individual observers simultaneously by using the difference in chromatic temporal response characteristics. We also show a method for obtaining chromatic and temporal response of human vision. Experimental results from a special camera which reproduces the impulse response of human retina show that our proposed method can represent different and arbitrary images to multiple observers.

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