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Pattern matching system, pattern matching method, and program for pattern matching

A matching method, pattern technology, applied in matching and classification, image analysis, image data processing, etc.

Inactive Publication Date: 2010-12-15
NEC CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Stencil storage unit stores stencil patterns

Method used

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  • Pattern matching system, pattern matching method, and program for pattern matching
  • Pattern matching system, pattern matching method, and program for pattern matching
  • Pattern matching system, pattern matching method, and program for pattern matching

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Embodiment Construction

[0033] (first exemplary embodiment)

[0034] figure 1 and 2 Exemplary embodiments of the present invention are described in detail. refer to figure 1 , the pattern matching system 280 according to the first exemplary embodiment of the present invention includes a template storage unit 390 , a feature extraction unit 210 and a matching unit 290 . The feature extraction unit 210 and the matching unit 290 may be implemented by a computer that operates based on program control according to a pattern matching program. The pattern matching system 280 is connected to the pattern input device 100 .

[0035]The pattern input device 100 inputs a pattern to be matched. The template storage unit 390 stores features of templates in a form capable of distinguishing features that change over time from features that do not change over time. The feature extraction unit 210 extracts features to be used for matching from the input pattern input by the pattern input device 100 . The matchi...

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Abstract

A pattern matching system capable of matching patterns including temporal change with high precision and safety. The pattern matching system comprises a template storage unit, a feature extraction unit, and a matching unit. The template storage unit stores a template pattern. The feature extraction unit extracts features of an input pattern. The matching unit performs first matching for matching,out of the features of the input pattern, a first feature which does not change over time with the template pattern and second matching different from the first matching for matching, out of the features of the input pattern, a second feature which changes over time with the template pattern.

Description

technical field [0001] The present invention relates to a pattern matching system, a pattern matching method, and a pattern matching program, and more particularly, to a pattern matching system, a pattern matching method, and a pattern matching method for matching patterns including time-varying features and time-invariant features program. Background technique [0002] In the pattern matching process of determining whether two patterns are identical to each other, the patterns to be matched may include time-varying features and time-invariant features. In this case of matching patterns that include time-varying features and time-invariant features, the problem is that if two patterns are obtained at a fairly long interval, the time-varying features change, which making it difficult to perform matching. [0003] For example, when matching a finger surface pattern, the finger surface pattern to be matched includes time-invariant features as fingerprint bumps and time-varyin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00
CPCG06K9/00087G06V40/1365
Inventor 门田启
Owner NEC CORP
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