Image search system, image search method, and storage medium
First Claim
1. An image search system, comprising:
- a first calculation section that calculates a first similarity score of each registered image with respect to an input image on the basis of image features of the registered image and the input image;
a second calculation section that calculates a second similarity score of each registered image with respect to the input image on the basis of text features of the registered image and the input image;
a candidate extraction section that extracts one or more candidate registered images on the basis of the first and the second similarity scores of each registered image;
a third calculation section that calculates a third similarity score of each candidate registered image on the basis of projection waveforms of the input image and the candidate registered image; and
a search section that determines one or more registered images similar to the input image on the basis of the third similarity score of each of registered image.
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Accused Products
Abstract
An image search system includes a first calculation section that calculates a first similarity score of each registered image with respect to an input image on the basis of image features of the registered and the input image, a second calculation section that calculates a second similarity score of each registered image with respect to the input image on the basis of text features of the registered and the input image, a candidate extraction section that extracts one or more candidate images on the basis of the first and the second similarity scores of each registered image, a third calculation section that calculates a third similarity score of each candidate image on the basis of projection waveforms of the input image and the candidate image, and a search section that determines one or more registered images similar to the input image on the basis of the third similarity score.
109 Citations
16 Claims
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1. An image search system, comprising:
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a first calculation section that calculates a first similarity score of each registered image with respect to an input image on the basis of image features of the registered image and the input image;
a second calculation section that calculates a second similarity score of each registered image with respect to the input image on the basis of text features of the registered image and the input image;
a candidate extraction section that extracts one or more candidate registered images on the basis of the first and the second similarity scores of each registered image;
a third calculation section that calculates a third similarity score of each candidate registered image on the basis of projection waveforms of the input image and the candidate registered image; and
a search section that determines one or more registered images similar to the input image on the basis of the third similarity score of each of registered image. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An image search system, comprising:
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a first calculation section that calculates a first similarity score of each registered image with respect to an input image on the basis of image features of the registered image and the input image;
a second calculation section that calculates a second similarity score of each registered image with respect to the input image on the basis of text features of the registered image and the input image;
a candidate extraction section that supplies the input image to the first calculation section or the second score calculation section, to which of the first calculation section or the second score calculation section is determined based on the amount of text in the input image, and extracts one or more candidate registered images on the basis of the resulting first similarity score or the second similarity score of each registered image;
a third calculation section that calculates a third similarity score of each candidate registered image on the basis of projection waveforms of the input image and the candidate registered image; and
a search section that determines one or more registered images similar to the input image on the basis of the third similarity score of each of registered image. - View Dependent Claims (8, 9)
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10. An image search system, comprising:
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a first candidate extraction section that calculates a first similarity score of each registered image with respect to the input image on the basis of image features of the registered image and the input image, and extracts a first candidate registered image on the basis of the first similarity score;
a second candidate extraction section that calculates a second similarity score of each first candidate registered image with respect to the input image on the basis of text features of the first candidate registered image and the input image, and extracts a second candidate registered image on the basis of the second similarity score; and
a search section that calculates a third similarity score of each second candidate registered image with respect to the input image on the basis of projection waveforms of the input image and the candidate registered image, and determines one or more registered images similar to the input document on the basis of the third similarity score of each of registered image.
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11. An image search method, comprising:
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calculating a first similarity score of each registered image with respect to an input image on the basis of image features of the registered image and the input image;
calculating a second similarity score of each registered image with respect to the input image on the basis of text features of the registered image and the input image;
extracting one or more candidate registered images on the basis of the first and the second similarity scores of each registered image;
calculating a third similarity score of each candidate registered image on the basis of projection waveforms of the input image and the candidate registered image; and
determining one or more registered images similar to the input image on the basis of the third similarity score of each of registered image.
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12. An image search method, comprising:
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calculating, by a first calculating section, a first similarity score of each registered image with respect to an input image on the basis of image features of the registered image and the input image;
calculating, by a second calculating section, a second similarity score of each registered image with respect to the input image on the basis of text features of the registered image and the input image;
determining, on the basis of the amount of text in the input image, to which of the first calculation section or the second calculation section the input image is to be supplied;
supplying the input image to the first calculation section or the second calculation section according to the determining;
extracting one or more candidate registered images on the basis of the resulting first similarity score or the second similarity score of each registered image;
calculating a third similarity score of each candidate registered image on the basis of projection waveforms of the input image and the candidate registered image; and
determining one or more registered images similar to the input image on the basis of the third similarity score of each of registered image.
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13. An image search method, comprising:
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calculating a first similarity score of each registered image with respect to the input image on the basis of image features of the registered image and the input image;
extracting a first candidate registered image on the basis of the first similarity score;
calculating a second similarity score of each first candidate registered image with respect to the input image on the basis of text features of the first candidate registered image and the input image;
extracting a second candidate registered image on the basis of the second similarity score;
calculating a third similarity score of each second candidate registered image with respect to the input image on the basis of projection waveforms of the input image and the candidate registered image; and
determining one or more registered images similar to the input document on the basis of the third similarity score of each of registered image.
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14. A storage medium readable by a computer, the storage medium storing a program of instructions executed by the computer to perform a function for searching one or more registered images similar to an input image, the function comprising;
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calculating a first similarity score of each registered image with respect to an input image on the basis of image features of the registered image and the input image;
calculating a second similarity score of each registered image with respect to the input image on the basis of text features of the registered image and the input image;
extracting one or more candidate registered images on the basis of the first and the second similarity scores of each registered image;
calculating a third similarity score of each candidate registered image on the basis of projection waveforms of the input image and the candidate registered image; and
determining one or more registered images similar to the input image on the basis of the third similarity score of each of registered image.
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15. A storage medium readable by a computer, the storage medium storing a program of instructions executed by the computer to perform a function for searching one or more registered images similar to an input image, the function comprising:
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calculating, by a first calculating section, a first similarity score of each registered image with respect to an input image on the basis of image features of the registered image and the input image;
calculating, by a second calculating section, a second similarity score of each registered image with respect to the input image on the basis of text features of the registered image and the input image;
determining, on the basis of the amount of text in the input image, to which of the first calculation section or the second calculation section the input image is to be supplied;
supplying the input image to the first calculation section or the second calculation section according to the determining;
extracting one or more candidate registered images on the basis of the resulting first similarity score or the second similarity score of each registered image;
calculating a third similarity score of each candidate registered image on the basis of projection waveforms of the input image and the candidate registered image; and
determining one or more registered images similar to the input image on the basis of the third similarity score of each of registered image.
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16. A storage medium readable by a computer, the storage medium storing a program of instructions executed by the computer to perform a function for searching one or more registered images similar to an input image, the function comprising:
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calculating a first similarity score of each registered image with respect to the input image on the basis of image features of the registered image and the input image;
extracting a first candidate registered image on the basis of the first similarity score;
calculating a second similarity score of each first candidate registered image with respect to the input image on the basis of text features of the first candidate registered image and the input image;
extracting a second candidate registered image on the basis of the second similarity score;
calculating a third similarity score of each second candidate registered image with respect to the input image on the basis of projection waveforms of the input image and the candidate registered image; and
determining one or more registered images similar to the input document on the basis of the third similarity score of each of registered image.
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Specification