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High-speed compressive range imaging based on active illumination
We report a compressive imaging method based on active illumination, which reconstructs a 3D scene at a frame rate beyond the acquisition speed limit of the camera. We have built an imaging prototype that projects temporally varying illumination pattern and demonstrated a joint reconstruction algorithm that iteratively retrieves both the range and high-temporal-frequency information from the 2D low-frame rate measurement. The reflectance and depth-map videos have been reconstructed at 1000doi:10.1364/oe.24.022836 pmid:27828351 fatcat:ckfww2morvearft5jyyoidwf44