27 April 1999 Design and implementation of a smart image sensor with 2D motion vector estimation
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Abstract
A smart image sensor with a size of 6.5 mm X 8.2 mm has been designed by a 2-metals 1-poly 0.7 micrometers CMOS process. It consists of a 16 by 16 photodiode array for picking up the piles, and each pixel is in parallel with a time multiplexed edge detector and a 4-bits memory cell. This parallel structure defines the fill factor is of 1.79 percent. 4 LPGCP-ALUs are used for motion vector estimation on the whole focal sensor plane with a switching logic for shifting the LPGCP-ALU window in the area where motion vectors are detected with a sped of the same as the frame rate.
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Zheng Li, Zheng Li, Kiyoharu Aizawa, Kiyoharu Aizawa, Mitsutoshi Hatori, Mitsutoshi Hatori, } "Design and implementation of a smart image sensor with 2D motion vector estimation", Proc. SPIE 3649, Sensors, Cameras, and Systems for Scientific/Industrial Applications, (27 April 1999); doi: 10.1117/12.347072; https://doi.org/10.1117/12.347072
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