Abstract

Recently, the 3D user interface (UI) has been developed by lots of studies. For realizing intuitive, simple, and low-cost 3DUI, we have been developing a 3DUI based on the 3D real-image display and the touch detection system to the image, which is named as 3D touchable holographic light-field display. Our UI system consists of a projector and an off-axis convex-mirror-array hologram for light-field imaging, and a camera and a computer for the touch detection. Figure 1 shows the overview of the system. As shown in Fig. 1, a camera behind the transparent hologram is used to detect the touch of the 3D image via sensing scattered light. In our previous study, we demonstrated such UI with floating 2 buttons with simple thresholding processing [1]. This paper extends the number of color in our 3DUI based on a color-recognition algorithm, and experimentally evaluates the accuracy in color of the algorithm.

© 2016 Japan Society of Applied Physics, Optical Society of America

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References

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