Method for stereo image object detection

Details Method for stereo image object detection Method for stereo image object detection

1997-09-05

1999-08-10

Chang, Jon

Image analysis

Applications

Target tracking or detecting

382154, G06K 900

Patent

active

059370793

ABSTRACT:
In a method for detecting and tracking objects by stereo image evaluation a part of structure class images is initially generated from a recorded stereo image pair. Differences in brightness of selected pixels in the environment are determined for each pixel as digital values, which are combined to form a digital value group, with identical groups defining their own structure classes. Structure classes which lack a brightness change along the epipolar line are discarded. Corresponding disparity values are then determined for the pixels in the other structure classes and are collected in a disparity histogram with a given frequency increment. The pixel group that belongs to a given grouping point area of the histogram is then interpreted as an object to be detected.

REFERENCES:
patent: 5684890 (1997-11-01), Miyashita et al.
patent: 5719954 (1998-02-01), Onda
patent: 5818959 (1998-10-01), Webb et al.

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