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提出一种用于单镜头相机系统的2.1Mpixel CMOS 3D图像传感器，通过将相机入瞳分为左右眼区域并交替排列像素，结合片上透镜实现双目视差，从而无需双镜头即可获取3D图像。
We present a CMOS image sensor that enables a compact 3-dimensional (3D) vision camera system comprising a single set of the sensor and a camera lens. In order to make binocular parallax, which is essential for 3D imaging, the input pupil of the camera lens is presumed to consist of the right-eye and the left-eye domains, where the pixels exclusively receiving light beams from the right-eye domain and those from the left-eye domain, are arranged alternately. In addition, the sensor features an on-chip lenticular lens to split the incident light from the two directions and a Digital Micro Lens [1,2] to focus the split light beams onto the dedicated pixels without significant crosstalk. The fabricated 3D image sensor enables not only successful stereovision imaging in color with sufficiently high sensitivity, but also accurate calculation of distance. 3D imaging has been applied to various entertainment systems, enabling new
Shinzo Koyama, Kazutoshi Onozawa, Keisuke Tanaka, Yoshihisa Kato
Panasonic, Nagaokakyo, Japan