Abstract: Methods and apparatus to count people appearing in an image are disclosed. One disclosed method reduces objects appearing in a series of images to one or more blobs; for each individual image in a set of the images of the series of images, represents the one or more blobs in the individual image by one or more symbols in a histogram; and analyzes the symbols appearing in the histogram to count the people in the image.
October 11, 2006
Date of Patent:
December 16, 2008
The Nielsen Company (U.S.), L.L.C.
Arun Ramaswamy, Daniel J. Nelson, Venugopal Srinivasan