Patent ID: 9344205
Filing Date: 2016-05-17
CPC Classification: G06K,G06T,H04H

Claim Text:
1. An apparatus to count a number of persons in a monitored environment, comprising: an image sensor to collect a plurality of pixels; a pseudorandom number generator to pseudorandomly select at least one of a row of the pixels or a column of the pixels; a reader to read first pixel data generated by first pixels of the image sensor at a first time, the first pixels located in at least one of the row of the pixels or the column of the pixels; a comparator to compare the first pixel data with second pixel data generated by the first pixels at a second time different than the first time to generate first change values; and a counter to generate a count of persons based on the first change values, wherein at least one of the number generator, the reader, the comparator, or the counter is implemented via a logic circuit.