Technique for object orientation detection using a...

Details Technique for object orientation detection using a... Technique for object orientation detection using a...

G - Physics

06

K

354/55

G06K 9/32 (2006.01) G06N 3/04 (2006.01) G06T 7/00 (2006.01)

Patent

CA 2013378

A TECHNIQUE FOR OBJECT ORIENTATION DETECTION USING A FEED-FORWARD NEURAL NETWORK Abstract The present invention relates to a technique in the form of an exemplary computer vision system for detecting the orientation of text or features on an object of manufacture. In the present system, an image of the features or text is used to extract lines using horizontal bitmap sums, and then individual symbols using vertical bitmap sums, using thresholds with each of the sums. The separated symbols are then appropriately trimmed and scaled to provide individual normalized symbols. A Decision Module comprising a Feed-Forward Neural network and a sequential decision arrangement determines the "up", "down" or "indeterminate" orientation of the text after a variable number of symbols have been processed. The system can then compare the determined orientation with a database to further determine if the object is in the "right-side up" "upside-down" or "indeterminate" orientation.

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