Patent Number: 
Section: claims

1. An image processing apparatus to reduce a scattered-ray component from a radiographic image, the image processing apparatus comprising:a memory storing a program;one or more processors configured to execute the program;an acquiring unit configured to acquire a radiographic image using a radiation detector that detects a radiation through an object;a scattered-ray estimating unit configured to estimate a scattered-ray component contained in the radiographic image, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object;a scattered-ray reducing unit configured to reduce the scattered-ray component from the radiographic image; andan identifying unit configured to attach identification information for identifying the scattered-ray component to the radiographic image,wherein, in a case where a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component corresponding to the identification information is different from a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component from a radiographic image newly acquired by the acquiring unit, the scattered-ray estimating unit newly estimates a scattered-ray component contained in the radiographic image without using the estimated scattered-ray component corresponding to the identification information, andwherein the acquiring unit, the scattered-ray estimating unit, the scattered-ray reducing unit, and the identifying unit are implemented by the one or more processors. 2. The image processing apparatus according to claim 1, further comprising an output unit implemented by the one or more processors and configured to output data of the scattered-ray component. 3. The image processing apparatus according to claim 2, wherein, by executing the program, the one or more processors further function as an identifying unit configured to attach identification information for identifying data of a scattered-ray component output by the output unit to at least one of the radiographic image and a processed image acquired by performing an image process thereon by the scattered-ray reducing unit. 4. The image processing apparatus according to claim 3, wherein the identification information includes at least one of information for acquiring the scattered-ray component from a storage and information for identifying a procedure for estimating the scattered-ray component. 5. The image processing apparatus according to claim 3, further comprising a control unit implemented by the one or more processors and configured to control whether data of a scattered-ray component output from the output unit is to be used based on a detail of the instruction and the identification information in a case where an instruction to perform the image process is received again. 6. The image processing apparatus according to claim 5, wherein, in a case where the instruction indicates an image process using data of a scattered-ray component and a scattered-ray component output from the output unit can be acquired from the storage based on the identification information, the control unit is configured to control to acquire from the storage and use a scattered-ray component output from the output unit in the instructed image process. 7. The image processing apparatus according to claim 5, wherein, in a case where the instruction indicates an image process using data of a scattered-ray component and the identification information is not attached to one of the radiographic image and the processed image, the control unit is configured to control the scattered-ray reducing unit to estimate a scattered-ray component contained in the radiographic image. 8. The image processing apparatus according to claim 7, wherein the output unit is configured to output data of a scattered-ray component estimated by the scattered-ray reducing unit in the instructed image process. 9. The image processing apparatus according to claim 7, wherein the identifying unit is configured to attach, in the instructed image process, identification information for identifying data of the scattered-ray component estimated by the scattered-ray reducing unit to at least one of the radiographic image or an image having undergone the instructed image process. 10. The image processing apparatus according to claim 7, wherein, in a case where, as a procedure for estimating a scattered-ray component, a procedure described in the identification information and a procedure to be performed by the scattered-ray reducing unit when an instruction indicating an image process on the radiographic image is received again are different, the control unit is configured to control to newly estimate a scattered-ray component contained in the radiographic image by the scattered-ray reducing unit without using data of a scattered-ray component acquired based on the identification information. 11. The image processing apparatus according to claim 1, further comprising an adjusting unit implemented by the one or more processors and configured to adjust a degree of reduction of the scattered-ray component. 12. The image processing apparatus according to claim 1, further comprising an image processing unit implemented by the one or more processors and configured to perform a first image process which does not reduce a scattered-ray component acquired by the acquiring unit from the radiographic image,wherein, in a case where the image processing unit performs a second image process on the radiographic image that is different from the first image process, the scattered-ray component acquired by the acquiring unit is reduced from the radiographic image in the second image process. 13. An image processing apparatus to reduce a scattered-ray component from a radiographic image, the image processing apparatus comprising:a memory storing a program;one or more processors configured to execute the program;a scattered-ray estimating unit configured to estimate a scattered-ray component contained in a radiographic image acquired using a radiation detector that detects a radiation through an object, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object;a scattered-ray reducing unit configured to reduce the scattered-ray component from the radiographic image;an identifying unit configured to attach identification information for identifying data of the scattered-ray component to the radiographic image;an output unit configured to output the scattered-ray component and the radiographic image to a non-volatile memory; andan acquiring unit configured to acquire the radiographic image output from the output unit from the non-volatile memory and to acquire the data of the scattered-ray component output from the output unit from the non-volatile memory based on the identification information,wherein, in a case where a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component corresponding to the identification information is different from a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component from a radiographic image newly acquired by the acquiring unit, the scattered-ray estimating unit newly estimates a scattered-ray component contained in the radiographic image without using the estimated scattered-ray component corresponding to the identification information, andwherein the scattered-ray estimating unit, the scattered-ray reducing unit, the identifying unit, the output unit, and the acquiring unit are implemented by the one or more processors. 14. A method for an image processing apparatus to reduce a scattered-ray component from a radiographic image, the method comprising:acquiring, by an identifying unit implemented by one or more processors, a radiographic image using a radiation detector that detects a radiation through an object;estimating a scattered-ray component contained in the radiographic image, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object;reducing the scattered-ray component from the radiographic image; andattaching identification information for identifying the scattered-ray component to the radiographic image,wherein, in a case where a reduction process performed for reducing the scattered-ray component corresponding to the identification information is different from a reduction process performed for reducing the scattered-ray component from a newly acquired radiographic image, estimating includes newly estimating a scattered-ray component contained in the radiographic image without using the estimated scattered-ray component corresponding to the identification information. 15. A method for an image processing apparatus to reduce a scattered-ray component from a radiographic image, the method comprising:estimating a scattered-ray component contained in a radiographic image acquired using a radiation detector that detects a radiation through an object, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object;reducing the scattered-ray component from the radiographic image;attaching identification information for identifying data of the scattered-ray component to the radiographic image;outputting the scattered-ray component and the radiographic image to a non-volatile memory; andacquiring, by an acquiring unit implemented by one or more processors, the output radiographic image from the non-volatile memory and acquiring the data of the output scattered-ray component from the non-volatile memory based on the identification information,wherein, in a case where a reduction process performed for reducing the scattered-ray component corresponding to the identification information is different from a reduction process performed for reducing the scattered-ray component from a newly acquired radiographic image, estimating includes estimating a scattered-ray component contained in the radiographic image without using the estimated scattered-ray component corresponding to the identification information. 16. A method for an image processing apparatus, the image processing method comprising:estimating a scattered-ray component contained in a radiographic image acquired using a radiation detector that detects a radiation through an object, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object;outputting data of the estimated scattered-ray component;acquiring a processed image by performing an image process on the radiographic image;attaching identification information for identifying the output data of the estimated scattered-ray component to the processed image;receiving an operation input for changing an image process to be performed on the radiographic image;acquiring, by an acquiring unit implemented by one or more processors, the output data of the estimated scattered-ray component based on the identification information; andchanging the image process by using the acquired output data of the estimated scattered-ray component,wherein, in a case where a reduction process performed for reducing the scattered-ray component corresponding to the identification information is different from a reduction process performed for reducing the scattered-ray component from a newly acquired radiographic image, estimating includes estimating a scattered-ray component contained in the radiographic image without using the estimated scattered-ray component corresponding to the identification information. 17. An image processing system to reduce a scattered-ray component from a radiographic image, the image processing system comprising:a memory storing a program;one or more processors configured to execute the program;an acquiring unit configured to acquire a radiographic image using a radiation detector that detects a radiation through an object;a scattered-ray estimating unit configured to estimate a scattered-ray component contained in the radiographic image, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object; anda scattered-ray reducing unit configured to perform an image process on the radiographic image in accordance with an instruction,wherein, in a case where an instruction to perform the image process is received again, the scattered-ray reducing unit is configured to perform an image process based on a radiographic image acquired by the acquiring unit and a scattered-ray component acquired by the acquiring unit,wherein, in a case where a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component corresponding to the identification information is different from a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component from a radiographic image newly acquired by the acquiring unit, the scattered-ray estimating unit newly estimates a scattered-ray component contained in the radiographic image without using the estimated scattered-ray component corresponding to the identification information, andwherein the acquiring unit, the scattered-ray estimating unit, and the scattered-ray reducing unit are implemented by the one or more processors. 18. An image processing system to reduce a scattered-ray component from a radiographic image, the image processing system comprising:a memory storing a program;one or more processors configured to execute the program;a scattered-ray estimating unit configured to estimate a scattered-ray component contained in a radiographic image acquired using a radiation detector that detects a radiation through an object, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object;a scattered-ray reducing unit configured to reduce the scattered-ray component from the radiographic image;an identifying unit configured to attach identification information for identifying data of the scattered-ray component to the radiographic image;an output unit configured to output the scattered-ray component and the radiographic image to a non-volatile memory; andan acquiring unit configured to acquire the radiographic image output from the output unit from the non-volatile memory and to acquire the data of the scattered-ray component output from the output unit from the non-volatile memory based on the identification information,wherein, in a case where a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component corresponding to the identification information is different from a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component from a radiographic image newly acquired by the acquiring unit, the scattered-ray estimating unit newly estimates a scattered-ray component contained in the radiographic image without using the estimated scattered-ray component corresponding to the identification information, andwherein the scattered-ray estimating unit, the scattered-ray reducing unit, the identifying unit, the output unit, and the acquiring unit are implemented by the one or more processors. 19. A non-transitory computer-readable storage medium storing a program to cause an image processing apparatus to perform a method to reduce a scattered-ray component from a radiographic image, the method comprising:estimating a scattered-ray component contained in a radiographic image acquired using a radiation detector that detects a radiation through an object, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object;reducing the scattered-ray component from the radiographic image;attaching identification information for identifying data of the scattered-ray component to the radiographic image;outputting the scattered-ray component and the radiographic image to a non-volatile memory; andacquiring, by an acquiring unit implemented by one or more processors, the output radiographic image from the non-volatile memory and acquiring the data of the output scattered-ray component from the non-volatile memory based on the identification information,wherein, in a case where a reduction process performed for reducing the scattered-ray component corresponding to the identification information is different from a reduction process performed for reducing the scattered-ray component from a newly acquired radiographic image, estimating includes estimating a scattered-ray component contained in the radiographic image without using the estimated scattered-ray component corresponding to the identification information. 20. An image processing apparatus to reduce a scattered-ray component from a radiographic image, the image processing apparatus comprising:a memory storing a program;one or more processors configured to execute the program;an acquiring unit configured to acquire a radiographic image using a radiation detector that detects a radiation through an object;an scattered-ray reducing unit configured to perform a first image process on the radiographic image;a scattered-ray estimating unit configured to estimate a scattered-ray component contained in a first radiographic image performed by the first image process, wherein the scattered-ray component originates from a scattered ray which is a radiation scattered in the object; anda scattered-ray reducing unit configured to reduce the scattered-ray component estimated by the scattered-ray estimating unit from a second radiographic image performed by a second image process different from the first image process,wherein, in a case where a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component corresponding to the identification information is different from a reduction process performed by the scattered-ray reducing unit for reducing the scattered-ray component from a radiographic image newly acquired by the acquiring unit, the scattered-ray estimating unit newly estimates a scattered-ray component contained in the radiographic image without using the estimated scattered-ray component corresponding to the identification information, andwherein the acquiring unit, the scattered-ray reducing unit, the scattered-ray estimating unit, and the scattered-ray reducing unit are implemented by the one or more processors.