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US 7,734,069 B2Granted
Image processing method, image processor, photographic apparatus, image output unit and iris verify unit
AssigneePanasonic Corporation
InventorsKenji Kondo, Takeo Azuma
Life of this patent
Estimating the term…
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.
Claims7
An image processing method comprising:
- using an image processing apparatus to perform the following steps:
- a first step of detecting an iris region of an eye of a person from an original image;
- a second step of performing a predetermined image conversion to the iris region detected in the first step;
- and
- a third step of outputting the original image the iris region of which the predetermined image conversion has been performed to;
- wherein the predetermined image conversion is image conversion in which an image of the iris region is replaced with a predetermined iris pattern image which is an iris pattern image of a person different from the person or an artificial iris image artificially generated, the predetermined iris pattern image having been processed so that at least one of size, color and shape thereof is the same as the image of the iris region.
3 more elements
An image processing method comprising:
- using an image processing apparatus to perform the following steps:
- a first step of detecting an iris region of an eye of a person from an original image;
- a second step of performing a predetermined image conversion to the iris region detected in the first step;
- and
- a third step of outputting the original image the iris region of which the predetermined image conversion has been performed to:
- wherein the predetermined image conversion is image conversion in which an image of the iris region is replaced with a predetermined iris pattern image, the predetermined iris pattern image having been processed so that at least one of size, color and shape thereof is the same as the image of the iris region,
- wherein in the second step, when the detected iris region has a smaller size than a predetermined size, the image conversion is not performed.
4 more elements
An image processing method comprising:
- using an image processing apparatus to perform the following steps:
- a first step of detecting an iris region of an eye of a person from an original image;
- a second step of performing a predetermined image conversion to the iris region detected in the first step;
- and
- a third step of outputting the original image the iris region of which the predetermined image conversion has been performed to;
- wherein the predetermined image conversion is image conversion in which an image of the iris region is replaced with a predetermined iris pattern image, the predetermined iris pattern image having been processed so that at least one of size, color and shape thereof is the same as the image of the iris region,
- wherein the second step includes the steps of:
- performing reflection component separation to the detected iris region to obtain a diffusion reflection image and a specular reflection image;
- performing the image conversion to the diffusion reflection image;
- and
- adding the specular reflection image to the image which has been image-converted.
8 more elements
An image processing apparatus comprising:
- 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 a predetermined image conversion to the iris region detected by the iris detection section,
- wherein the original image the iris region of which the predetermined image conversion has been performed to is outputted,
- wherein the predetermined image conversion by the image conversion section is image conversion in which an image of the iris region is replaced with a predetermined iris pattern image which is an iris pattern image of a person different from the person or an artificial iris image artificially generated, the predetermined iris pattern image having been processed so that at least one of size, color and shape thereof is the same as the image of the iris region.
2 more elements
Dependencies are inferred from the claim text.