CROWD AND TRAFFIC MONITORING APPARATUS AND METHOD
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United States of America Patent
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Issued Date -
Jan 19, 2017
app pub date -
Jul 15, 2015
filing date -
Jul 15, 2015
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Abstract
An apparatus and method for monitoring mixed pedestrian and motor vehicle traffic. The apparatus include an optical camera, an infrared camera, and a wireless-device counter, each obtaining complementary information regarding the crowd density and flow of the traffic. Performing heat signature analysis and blob detection of the infrared image data to discriminate pedestrians from motor vehicles. Performing optical flow computations with Gaussian pyramids, Histogram of Oriented Gradients calculations, support vector machine (SVM) classifications, and correlation-based clustering using the optical images to determine the crowd density and flow of pedestrians. Incorporating the (SVM) classifications with the blob detection to differentiate pedestrians from motor vehicles. Obtaining an estimate of the number of wireless devices using the wireless-device counter as an additional indicator of the number of pedestrians and motor-vehicles. Finally, combining the above-identified regarding the crowd density and flow to create an improved traffic estimate.
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