Method and system for classifying image orientation
First Claim
1. A method of identifying an orientation of an image having a plurality of features, the method comprising:
- a) defining a plurality of feature kinds, wherein each feature in the plurality of features corresponds to an associated feature kind in the plurality of feature kinds;
b) providing a feature kind classification order for ordering the plurality of feature kinds;
c) searching the image to identify a feature set in the plurality of features in the image based on the feature kind classification order, wherein the feature set comprises at least one feature and each feature in the feature set corresponds to a defining feature kind; and
d) classifying the feature set to determine the orientation of the image.
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Abstract
The invention relates to a method, system and computer program product for identifying an orientation of an image having a plurality of features. It comprises (a) defining a plurality of feature kinds, wherein each feature in the plurality of features corresponds to an associated feature kind in the plurality of feature kinds; (b) providing a feature kind classification order for ordering the plurality of feature kinds; (c) searching the image to identify a feature set in the plurality of features in the image based on the feature kind classification order, wherein the feature set comprises at least one feature and each feature in the feature set corresponds to a defining feature kind; and (d) classifying the feature set to determine the orientation of the image.
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Citations
31 Claims
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1. A method of identifying an orientation of an image having a plurality of features, the method comprising:
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a) defining a plurality of feature kinds, wherein each feature in the plurality of features corresponds to an associated feature kind in the plurality of feature kinds;
b) providing a feature kind classification order for ordering the plurality of feature kinds;
c) searching the image to identify a feature set in the plurality of features in the image based on the feature kind classification order, wherein the feature set comprises at least one feature and each feature in the feature set corresponds to a defining feature kind; and
d) classifying the feature set to determine the orientation of the image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for identifying an orientation of an image having a plurality of features, the system comprising:
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a memory for storing (i) the image; and
(ii) a plurality of feature kinds, wherein each feature in the plurality of features corresponds to an associated feature kind in the plurality of feature kinds;
means for performing the steps of a) accessing a feature kind classification order for ordering the plurality of feature kinds;
b) searching the image to identify a feature set in the plurality of features in the image based on the feature kind classification order, wherein the feature set comprises at least one feature and each feature in the feature set corresponds to a defining feature kind; and
c) classifying the feature set to determine the orientation of the image. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A computer program product for use on a computer system for identifying an orientation of an image having a plurality of features, the computer program product comprising:
a recording medium for recording (i) a plurality of feature kinds, wherein each feature in the plurality of features corresponds to an associated feature kind in the plurality of feature kinds; and
(ii) means for instructing the computer system to perform the steps of;
a) accessing a feature kind classification order for ordering the plurality of feature kinds;
b) searching the image to identify a feature set in the plurality of features in the image based on the feature kind classification order, wherein the feature set comprises at least one feature and each feature in the feature set corresponds to a defining feature kind; and
c) classifying the feature set to determine the orientation of the image. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31)
Specification