Methods and Systems for Identifying Digital Image Characteristics
First Claim
Patent Images
1. A method for determining an image characteristic in a digital image, said method comprising:
- a) forming a binary image from a digital image;
b) determining a glyph component in said binary image;
c) determining a reference location for said glyph component;
d) determining a feature location in said glyph component;
e) determining a position, relative to said reference location, of feature location; and
f) determining an image characteristic based on said position.
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Abstract
Aspects of the present invention relate to methods and systems for determining image characteristics in a digital image.
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Citations
20 Claims
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1. A method for determining an image characteristic in a digital image, said method comprising:
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a) forming a binary image from a digital image; b) determining a glyph component in said binary image; c) determining a reference location for said glyph component; d) determining a feature location in said glyph component; e) determining a position, relative to said reference location, of feature location; and f) determining an image characteristic based on said position. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for determining an image characteristic in a digital image, said method comprising:
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a) forming a binary image from a digital image; b) determining a first glyph component in said binary image; c) determining a first reference location for said first glyph component; d) in said first glyph component, determining a first feature location associated with a first feature; e) determining a first position, relative to said first reference location, of said first feature location; f) accumulating, in a first distribution counter, a frequency-of-occurrence count related to said first feature and said first position; and g) determining an image characteristic based on a distribution feature, wherein said distribution feature is based on said first distribution counter. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A system for determining an image characteristic in a digital image, said system comprising:
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a) a binary-image generator for forming a binary image from a digital image; b) a glyph-component determiner for determining a glyph component in said binary image; c) a reference-location determiner for determining a reference location for said glyph component; d) a feature locator for determining a feature location in said glyph component; e) a position determiner for determining a position, relative to said reference location, of feature location; and f) an image-characteristic determiner for determining an image characteristic based on said position. - View Dependent Claims (19, 20)
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Specification