Image processing device and method
First Claim
1. An image processing device comprising:
- a storage unit adapted to store plural images;
an image designation unit adapted to designate a reference image and comparison images from among the plural images stored by said storage unit;
a comparison unit adapted to acquire radiography date and time information of the designated reference image and the designated comparison images, and compare the radiography date and time information of the reference image with the radiography date and time information of each of the comparison images;
a determination unit adapted to determine, based on each of the comparison results provided by said comparison unit, whether to subtract the comparison image from the reference image or subtract the reference image from the comparison image; and
a difference image generation unit adapted to generate the temporal difference image from the reference image and each of the comparison images by using the determination, corresponding to the each of the comparison images, determined by said determination unit.
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Accused Products
Abstract
The present invention provides an image processing device and method for effectively generating a difference image from plural images. The plural images generated by an image generation unit are first associated with radiography date and hour information and stored in a storage unit, at least one reference image and one comparison image are designated by an image designation unit from the stored images, the date and hour information of the designated reference image is compared with that of the designated comparison image by an image comparison unit, a difference process is executed by a difference processing unit based on an operation determined based on the comparison result, and the processed difference image is displayed on a display unit under the control of a display control unit.
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Citations
17 Claims
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1. An image processing device comprising:
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a storage unit adapted to store plural images; an image designation unit adapted to designate a reference image and comparison images from among the plural images stored by said storage unit; a comparison unit adapted to acquire radiography date and time information of the designated reference image and the designated comparison images, and compare the radiography date and time information of the reference image with the radiography date and time information of each of the comparison images; a determination unit adapted to determine, based on each of the comparison results provided by said comparison unit, whether to subtract the comparison image from the reference image or subtract the reference image from the comparison image; and a difference image generation unit adapted to generate the temporal difference image from the reference image and each of the comparison images by using the determination, corresponding to the each of the comparison images, determined by said determination unit. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An image processing method comprising:
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an image designation step of designating a reference image and comparison images from among plural images stored in a storage unit; a comparison step of acquiring radiography date and time information of the designated reference image and the designated comparison image, and comparing the radiography date and time information of the reference image with the radiography date and time information of each of the comparison images; a determination step of determining, based on each of the comparison results obtained in said comparison step, whether to subtract the comparison image from the reference image or subtract the reference image from the comparison image; and a difference image generation step of generating the temporal difference image from the reference image and each of the comparison images by using the determination, corresponding to the each of the comparison images, determined in said determination step. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A non-transitory computer-readable storage medium which stores a control program for causing a computer to perform a method including:
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an image designation step of designating a reference image and comparison images from among plural images stored in a storage unit; a comparison step of acquiring radiography date and time information of the designated reference image and the designated comparison image, and comparing the radiography date and time information of the reference image with the radiography date and time information of each of the comparison images; a determination step of determining based on each of the comparison results obtained in said comparison step, whether to subtract the comparison image from the reference image or subtract the reference image from the comparison image; and a difference image generation step of generating the temporal difference image from the reference image and each of the comparison images by using the determination, corresponding to the each of the comparison images, determined in said determination step. - View Dependent Claims (14, 15, 16, 17)
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Specification