Patent ID: 7538796
Filing Date: 2009-05-26
Classification: G06T

Abstract:
1. A signal processing apparatus for processing detection data, acquired every predetermined time period by a sensor made up of a predetermined number of detection elements provided in a spatial direction having time-integrating effects, every predetermined time period, said signal processing apparatus comprising: foreground sample data extracting means for extracting sample data present in the detection data located before or after considered detection data at a spatial position where there exists considered sample data which is the sample data under consideration, as foreground sample data corresponding to an object proving the foreground in the real world; background sample data extracting means for extracting said sample data present in detection data lying after or before the considered detection data at the spatial position where there exists considered sample data which is the sample data under consideration, as background sample data corresponding to an object proving the background in the real world; and detection means for detecting a mixing ratio of said considered sample data based on said considered sample data, said foreground sample data and said background sample data, wherein said detection means divides a difference between said considered sample data and said foreground sample data by a difference between said background sample data and the foreground sample data to detect the mixing ratio of said considered sample data.