IMAGE RECOGNITION SYSTEM, IMAGE RECOGNITION APPARATUS, IMAGE RECOGNITION METHOD, AND COMPUTER PROGRAM
First Claim
1. An image recognition apparatus comprising:
- an inter-image relative direction acquisition unit configured to acquire a relative direction relationship between a first input area image and a second input area image obtained by taking images of a particular person from different directions; and
a person identification unit configured to identify the particular person by comparing a feature of the first input area image with a feature of a first registered area image included in a set of registered area images including registered area images obtained by taking images of the particular person or another person from at least three directions, comparing a feature of the second input area image with a feature of a second registered area image of the same person as the person of the first registered area image included in the set of registered area images, and determining whether the person in the first and second input area images is the same as the person in the first and second registered area images,wherein the first registered area image and the second registered area image are selected such that the relative direction relationship between the first registered area image and the second registered area image is equal or similar to the relative direction relationship between the first input area image and the second input area image.
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Accused Products
Abstract
A relative direction relationship is acquired between first and second input area images of a particular person taken from different directions. The particular person is identified by comparing a feature of the first input area image with a feature of a first one of registered area images of the particular person or another person taken from at least three directions, comparing a feature of the second input area image with a feature of a second registered area image of the same person as the person of the first registered area image, and determining whether the person in the first and second input area images is the same person in the first and second registered area images. The first and second registered area images are selected such that the relation between the first and second registered area images is similar to the relation between the first and second input area images.
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Citations
20 Claims
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1. An image recognition apparatus comprising:
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an inter-image relative direction acquisition unit configured to acquire a relative direction relationship between a first input area image and a second input area image obtained by taking images of a particular person from different directions; and a person identification unit configured to identify the particular person by comparing a feature of the first input area image with a feature of a first registered area image included in a set of registered area images including registered area images obtained by taking images of the particular person or another person from at least three directions, comparing a feature of the second input area image with a feature of a second registered area image of the same person as the person of the first registered area image included in the set of registered area images, and determining whether the person in the first and second input area images is the same as the person in the first and second registered area images, wherein the first registered area image and the second registered area image are selected such that the relative direction relationship between the first registered area image and the second registered area image is equal or similar to the relative direction relationship between the first input area image and the second input area image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14)
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13. An image recognition apparatus comprising:
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an inter-image relative direction acquisition unit configured to acquire a relative direction relationship between a first input area image and a second input area image obtained by taking images of a particular person from different directions; and a person identification unit configured to identify the particular person by comparing a feature of the first input area image with a feature of a first registered area image included in a set of registered area images including registered area images obtained by taking images of the particular person or another person from at least three directions, comparing a feature of the second input area image with a feature of a second registered area image of the same person as the person of the first registered area image included in the set of registered area images, and determining whether face orientations respectively captured in the first and second input area images are the same as face orientations respectively captured in the first and second registered area images, wherein the first registered area image and the second registered area image are selected such that the relative direction relationship between the first registered area image and the second registered area image is equal or similar to the relative direction relationship between the first input area image and the second input area image.
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15. An image recognition system including a plurality of image pickup apparatuses and an image recognition apparatus,
the image pickup apparatus comprising: -
an image sensing unit installed at a fixed location and configured to take an image of a particular area by performing panning or tilting as required, the image recognition apparatus comprising; an acquisition unit configured to acquire a first relationship in terms of a relative direction between the image pickup apparatuses at the locations in a situation in which images of a location within the particular area are taken by the image pickup apparatuses; a setting unit configured to set a set of images of face areas extracted from a plurality of captured images obtained by taking the same location at the same time by the plurality of image pickup apparatuses; an obtainment unit configured to obtain a second relationship in terms of a face orientation between the images of face areas; and a recognition unit configured to recognize a face of the face area by comparing a set of registered images of a plurality of face orientations taken in advance and the set of images of the face area in a state in which the second relationship is kept. - View Dependent Claims (16, 17, 18)
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19. An image recognition method comprising:
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calculating a relative direction relationship between a first input area image and a second input area image obtained by taking images of a particular person from different directions; a person identification unit configured to identify the particular person by comparing a feature of the first input area image with a feature of a first registered area image included in a set of registered area images including registered area images obtained by taking images of the particular person or another person from at least three directions, comparing a feature of the second input area image with a feature of a second registered area image of the same person as the person of the first registered area image included in the set of registered area images, and determining whether the person in the first and second input area images is the same as the person in the first and second registered area images, wherein the first registered area image and the second registered area image are selected such that the relative direction relationship between the first registered area image and the second registered area image is equal or similar to the relative direction relationship between the first input area image and the second input area image. - View Dependent Claims (20)
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Specification