US2013313330A1PendingUtilityA1

Marker processing method, marker processing device, marker, object having a marker, and marker processing program

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Assignee: SEIKO EPSON CORPPriority: Jul 31, 2009Filed: Aug 6, 2013Published: Nov 28, 2013
Est. expiryJul 31, 2029(~3 yrs left)· nominal 20-yr term from priority
Inventors:Mitsuhiro Inazumi
G06K 7/1443G06V 10/44G06K 19/06037
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Claims

Abstract

A marker processing method includes: (a) binarizing a shot image; (b) labeling one or more constituents of the image detected based on the image binarized in step (a); (c) obtaining a region centroid of each of the constituents corresponding to the respective labels processed in step (b); (d) obtaining a degree of overlap of the region centroids of the constituents corresponding respectively to the labels, obtained in step (c); and (e) detecting a marker based on the degree of overlap of the region centroids obtained in step (d).

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A marker comprising:
 at least three figures having a common centroid.   
     
     
         2 . The marker according to  claim 1 , further comprising:
 additional information.   
     
     
         3 . The marker according to  claim 2 , wherein
 the additional information is digital data.   
     
     
         4 . An article of manufacture comprising:
 the marker according to  claim 1 .

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