Vision-based method of determining cargo status by boundary...

Details Vision-based method of determining cargo status by boundary... Vision-based method of determining cargo status by boundary...

2011-05-10

2011-05-10

Hung, Yubin (Department: 2624)

Image analysis

Applications

C382S103000, C382S199000

Reexamination Certificate

active

07940955

ABSTRACT:
The empty vs. non-empty status of a cargo container is detected based on boundary analysis of a wide-angle image obtained by a monocular vision system. The wide-angle image is warped to remove distortion created by the vision system optics, and the resulting image is edge-processed to identify the boundaries of the container floor. If package boundaries are detected within the floor space, or a large foreground package is blocking the floor boundaries, the cargo status is set to non-empty. If floor boundaries are detected and no package boundaries are detected within the floor space, the cargo status is set to empty.

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