Abstract
An APS (Active Pixel Sensor) with 2D winner-take-all detection is presented. The system employs adaptive spatial filtering of the processed image with bad pixel elimination and false alarm reduction in case of a missing object. The circuit has a unique ability of adaptive spatial filtering that allows removal of the background from the image, one stage before it is transferred to the WTA detection circuit. A test chip of 64*64 has been implemented in 0.5 μm CMOS technology, 3.3V supply and is expected to dissipate 128mW at video rate. System operation is discussed and simulation results are presented.
Original language | English |
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Pages (from-to) | II/328-II/331 |
Journal | Proceedings - IEEE International Symposium on Circuits and Systems |
Volume | 2 |
State | Published - 2002 |
Externally published | Yes |
Event | 2002 IEEE International Symposium on Circuits and Systems - Phoenix, AZ, United States Duration: 26 May 2002 → 29 May 2002 |