Image processing method, image processor, photographic apparatus, image output unit and iris verify unit
First Claim
Patent Images
1. An image processing method comprising:
- a first step of detecting an iris region of an eye of a person from an original image; and
a second step of performing image conversion to the iris region detected in the first step so that feature data unique to the person can not be extracted.
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Abstract
An iris region of an eye is detected from an original image (S1) and image conversion is performed to the detected iris region so that feature data unique to the person can not be extracted (S2). For example, the iris region is divided into a plurality of portions and respective images of divided portions are re-arranged in a predetermined order or at random.
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Citations
12 Claims
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1. An image processing method comprising:
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a first step of detecting an iris region of an eye of a person from an original image; and
a second step of performing image conversion to the iris region detected in the first step so that feature data unique to the person can not be extracted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An image processing apparatus comprising:
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an iris detection section for detecting an iris region of an eye of a person from an original image; and
an image conversion section for performing image conversion to the iris region detected by the iris detection section so that feature data unique to the person can not be extracted. - View Dependent Claims (10, 11)
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12. An iris authentication apparatus comprising:
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an iris detection section for detecting an iris region of an eye of a person from an original image;
an authentication section for performing authentication using an image of the iris region detected by the iris detection section;
a digital watermark detection section for detecting the presence or absence of a predetermined digital watermark for the iris region detected by the iris detection section; and
a control section for controlling an execution/stop of an authentication operation of the authentication section according to the presence or absence of the digital watermark detected by the digital watermark detection section.
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Specification