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A silicon retina is an intelligent vision sensor that can execute real-time image pre-processing by using a parallel analog circuit that mimics the structure of the neuronal circuits in a vertebrate retina. In order to enhance robustness against changes in lighting conditions, we designed and fabricated a frame-based, wide dynamic range silicon retina with an active pixel sensor that approximates...
A real-time vision sensor for collision avoidance was designed. To respond selectively to approaching objects on direct collision course, the sensor employs an algorithm inspired by the visual nervous system in a locust, which can avoid a collision robustly by using visual information. We implemented the architecture of the locust nervous system with a compact hardware system which contains mixed...
A neuromorphic vision sensor was designed to detect an approaching object in real time. To respond selectively to looming stimuli, the sensor employed an algorithm inspired by a visual nervous system in the locust, which can avoid a collision robustly by use of visual information. An electronic circuit model was designed to mimick the architecture of the locust nervous system. Computer simulations...
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