Matthew E. Albert

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Visual increment thresholds measured on backgrounds flashed on simultaneously with the test flash exhibit saturation rather than following Weber's law. These flash-on-flash thresholds have been modeled with saturating nonlinearities similar to those used to describe intensity-response functions of retinal neurons. Recently, the flash-on-flash technique has(More)
— There are a number of sensor possibilities for mobile robots. Unfortunately many of these are relatively expensive (e.g., laser scanners) or only provide sparse information (e.g., sonar rings). As an alternative, vision-based navigation is very attractive because cameras are cheap these days and computer power is plentiful. The trick is to figure out how(More)
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