A Robot Vision System for Collision Avoidance Using a Bio-inspired Algorithm
Neural Information Processing
An analog VLSI chip emulating sustained and transient response channels of the vertebrate retina
IEEE Transactions on Neural Networks
IEEE Transactions on Neural Networks
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Bio-inspired vision system is a particularly good candidate for navigation of mobile robots and vehicles because of its computational advantages, e.g., low power dissipation and compact hardware. Previously, we had designed a mixed analog-digital integrated vision system for collision detection inspired by a locust neuronal circuit model. The response of the system was, however, susceptible to the luminance of approaching objects and the vibratory self-motion of a car when it was installed on a miniature mobile car. In the present study, we developed a new collision detection algorithm to overcome these problems based on robust image-motion detection and applied the algorithm to control a miniature mobile car.