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- W2092216639 abstract "A focal-plane-array chip designed for real-time, general-purpose, image preprocessing is reported. A 48 X 48 pixel detector array and a 24 X 24 processing element processor array are monolithically integrated on the chip. The analog, charge-coupled device-based VLSI chip operates in the charge domain and has sensing, storing, and computing capabilities. It captures the image data and performs local neighborhood operations. The processor array is digitally programmable and uses a single-instruction, multiple-data parallel architecture. Various image preprocessing tasks such as level shifting, gain adjustment, thresholding, smoothing, sharpening, and edge detection can be implemented and A/D conversion can be performed prior to output. Frame-to-frame operations such as motion detection and tracking can be implemented as well. The chip was fabricated with a double-poly, double-metal process in a commercial CCD foundry. The prediction of the performance is based on numerical analysis and experimental results of testing a prototype charge-coupled computer. Operating at a modest clock frequency of 25 MHz, the chip is projected to achieve an internal throughput as high as 576 Mops with a 54 dB dynamic range (9-bit equivalent accuracy). The simulation of an edge detection algorithm implemented by the chip is presented. The power dissipation is estimated to be 20 mW and the total size of the 59-pad chip is 9.4 X 9.4 mm2." @default.
- W2092216639 created "2016-06-24" @default.
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- W2092216639 date "1990-02-01" @default.
- W2092216639 modified "2023-10-06" @default.
- W2092216639 title "Real-Time Focal-Plane Array Image Processor" @default.
- W2092216639 doi "https://doi.org/10.1117/12.969929" @default.
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