Image processing apparatus and image processing method

Details Image processing apparatus and image processing method Image processing apparatus and image processing method

2011-07-26

2011-07-26

Tabatabai, Abolfazl (Department: 2624)

Image analysis

Pattern recognition

C701S201000

Reexamination Certificate

active

07986838

ABSTRACT:
The present invention provides an image processing apparatus capable of preventing deterioration of judgment accuracy when performing document matching process. To be more specific, when selecting feature points in the neighborhood of a target feature point, a predetermined number of feature points are selected after excluding a prespecified number of feature points in turn from the feature point nearest to the target feature point. For example, when the plurality of feature points are selected, the plurality of feature points, after excluding at least a feature point existing at a position nearest to the target feature point, are selected. Thereby, without increasing the amount of feature points for calculation of features (feature vectors), it is possible to prevent the deterioration of judgment accuracy.

REFERENCES:
patent: 5465353 (1995-11-01), Hull et al.
patent: 5867386 (1999-02-01), Hoffberg et al.
patent: 1 914 680 (2008-04-01), None
patent: WO-2006/092957 (2006-09-01), None

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