In this paper, we propose an efficient image-based technique to reproduce transparent and refractive objects by using quotient image with much smaller number of images for a fixed viewpoint. Our method uses a CRT display for controlling 2D incident illumination. We use the coded structured light technique for searching corresponding points between the incident illumination and the image pixel by constructing space-coded image. Although we can obtain the
light path from the space-coded image, the light intensity can not be determined. To measure the transparency of the object, we approximate the transmittance by calculating the quotient value of two images which are captured with and without the object in font of display with displaying all pixels white (we call this display "floodlit display"). In the reproduction process, we can reproduce the object by only multiplying the color (the intensity of the light) which is
determined from the coded structured light technique and the transmittance which is obtained from quotient image.
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