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17 April 2006 A high resolution and high speed 3D imaging system and its application on ATR
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Abstract
The paper presents an advanced 3D imaging system based on a combination of stereo vision and light projection methods. A single digital camera is used to take only one shot of the object and reconstruct the 3D model of an object. The stereo vision is achieved by employing a prism and mirror setup to split the views and combine them side by side in the camera. The advantage of this setup is its simple system architecture, easy synchronization, fast 3D imaging speed and high accuracy. The 3D imaging algorithms and potential applications are discussed. For ATR applications, it is critically important to extract maximum information for the potential targets and to separate the targets from the background and clutter noise. The added dimension of a 3D model provides additional features of surface profile, range information of the target. It is capable of removing the false shadow from camouflage and reveal the 3D profile of the object. It also provides arbitrary viewing angles and distances for training the filter bank for invariant ATR. The system architecture can be scaled to take large objects and to perform area 3D modeling onboard a UAV.
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Thomas T. Lu and Tien-Hsin Chao "A high resolution and high speed 3D imaging system and its application on ATR", Proc. SPIE 6245, Optical Pattern Recognition XVII, 62450L (17 April 2006); https://doi.org/10.1117/12.673442
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