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A Digitally Interfaced Analog Correlation Filter System for Object Tracking Applications
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DOI：10.1109/TCSI.2018.2819962.png)
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Abstract
En 中文
This paper reports a 24x57 correlation filter system for object tracking applications. While digital interfacing of the input and output data enabled a standard and flexible way of communication with pre-and post-processing digital blocks, the multiply-accumulate (MAC) operations were performed in the analog domain to save power and area. The proposed system utilizes non-volatile floating-gate memories to store filter coefficients. The chip was fabricated in a 0.13-mu m CMOS process and occupies 3.23 mm(2) of silicon area. The system dissipates 388.4 mu W of power at a throughput of 11.3 kVec/s, achieving an energy efficiency of 25.2 pJ/MAC. Experimental results for a custom filter designed to detect vehicles are presented.
Keywords:
Analog signal processing
analog computing
correlation filter
floating-gate memory
digital interface
object tracking
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