Zheng et al., 2007 - Google Patents
Playing card recognition using rotational invariant template matchingZheng et al., 2007
View PDF- Document ID
- 13008901909516094770
- Author
- Zheng C
- Green R
- Publication year
- Publication venue
- Proc. of Image and Vision Computing New Zealand
External Links
Snippet
A rotational invariant template matching method is proposed in this paper to enable accurate playing card recognition. Some prior approaches for card recognitions have been made, but they are all unsuccessful. Character segmentation algorithms and affine transformation are …
- 230000011218 segmentation 0 abstract description 13
Classifications
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- G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
- G06K9/46—Extraction of features or characteristics of the image
- G06K9/4604—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes, intersections
- G06K9/4609—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes, intersections by matching or filtering
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- G06K9/62—Methods or arrangements for recognition using electronic means
- G06K9/6201—Matching; Proximity measures
- G06K9/6202—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
- G06K9/6203—Shifting or otherwise transforming the patterns to accommodate for positional errors
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