1 July 1990 Retinalike space variant CCD sensor
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Abstract
The retina is a smart sensor, but in the sense of intelligent design and not on-chip computing power. It uses a unique layout and elementary charge computing elements to implement in hardware a polar-exponential transform on visual data. The final chip includes a large section of photosites arranged in a circular pattern. Further, the pixels grow m size as radial distance increases. The retina also has a fovea (a high resolution area at the chip's center) and the computational circuitry. The sensor works and will serve as the key component of a real-time imaging system.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gregory Kreider, Jan Van der Spiegel, Ivan Born, Cor L. Claeys, Ingrid Debusschere, Giulio Sandini, Paolo Dario, Fausto Fantini, "Retinalike space variant CCD sensor", Proc. SPIE 1242, Charge-Coupled Devices and Solid State Optical Sensors, (1 July 1990); doi: 10.1117/12.19445; https://doi.org/10.1117/12.19445
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