US-20260127734-A1 - CONTROL DEVICE, CONTROL METHOD, AND CONTROL PROGRAM

US20260127734A1US 20260127734 A1US20260127734 A1US 20260127734A1US-20260127734-A1

Abstract

A control device including a processor, wherein the processor is configured to: cause a display device to display an inspection target image obtained by capturing an image of an inspection target of a nondestructive inspection; and when the displayed inspection target image includes two or more discontinuities of the inspection target, cause a frame for inspecting a discontinuity to be displayed in a size based on a predetermined dimension such that the frame is superimposed on the inspection target image and that at least one of movement or rotation of the frame relative to the inspection target image is possible.

Inventors

Haruka IKEDA

Assignees

FUJIFILM CORPORATION

Dates

Publication Date: 20260507
Application Date: 20260107
Priority Date: 20230721

Claims (15)

1 . A control device comprising a processor, wherein the processor is configured to: cause a display device to display an inspection target image obtained by capturing an image of an inspection target of a nondestructive inspection; and when the displayed inspection target image includes two or more discontinuities of the inspection target, cause a frame for inspecting a discontinuity to be displayed in a size based on a predetermined dimension such that the frame is superimposed on the inspection target image and that at least one of movement or rotation of the frame relative to the inspection target image is possible.
2 . The control device according to claim 1 , wherein the frame is a figure corresponding to a gauge.
3 . The control device according to claim 1 , wherein the frame is a figure equivalent to a gauge defined by a standard of Japanese Industrial Standards (JIS) or International Organization for Standardization (ISO) regarding a nondestructive inspection.
4 . The control device according to claim 1 , wherein the processor is configured to relatively move the frame such that a first auxiliary line and a second auxiliary line have a predetermined positional relationship, the first auxiliary line being provided in accordance with positions of the discontinuities, the second auxiliary line being provided in accordance with a position of the frame.
5 . The control device according to claim 4 , wherein the first auxiliary line is a line segment connecting centers of gravity of two of the discontinuities.
6 . The control device according to claim 4 , wherein: the first auxiliary line is a line segment connecting points in regions of two of the discontinuities, and when a plurality of the line segments are present, a longest line segment among the plurality of line segments is regarded as the first auxiliary line.
7 . The control device according to claim 4 , wherein: when the frame has a rectangular shape, the second auxiliary line is at least one of diagonal lines of the rectangular frame, and when the frame has a circular shape, the second auxiliary line is at least one line corresponding to a diameter of the circular frame.
8 . The control device according to claim 1 , wherein the processor is configured to, when the discontinuity of which at least a part is present within the frame has a region superimposed on the frame, present information indicating that the discontinuity has the region.
9 . The control device according to claim 8 , wherein the processor is configured to, to present the information, cause a portion of the frame superimposed on the discontinuity that is not entirely within the frame to be displayed so as to be emphasized relative to an other portion.
10 . The control device according to claim 1 , wherein the processor is configured to, when the discontinuities are three or more discontinuities: extract two discontinuities as a pair; cause a straight line connecting the two discontinuities of the extracted pair to be displayed; receive a user's input corresponding to the straight line; and perform display in accordance with the received input in association with the straight line.
11 . The control device according to claim 1 , wherein the processor is configured to: cause the inspection target image to be displayed, the inspection target image including an inspection target image of a most part of an image capturing range of the inspection target and an enlarged inspection target image in which a part of the inspection target image is enlarged; and when one of the frame displayed so as to be superimposed on the inspection target image of the most part of the inspection target and the frame displayed so as to be superimposed on the enlarged inspection target image is moved or rotated relative to the inspection target image, move or rotate an other of the frames together.
12 . The control device according to claim 1 , wherein: a correspondence between at least one of a type, a size, or a length of the discontinuity and a score is predetermined, and the processor is configured to: derive, based on the correspondence, a score of the discontinuity of which at least a part is present within the frame; and when a plurality of the discontinuities of which at least a part is present within the frame are present, further derive a total score.
13 . The control device according to claim 12 , wherein the processor is configured to record the frame and a region of the inspection target image including at least the discontinuities of which at least a part is present within the frame, in association with the total score, in a state in which the frame and the region are displayed on the display device.
14 . A control method in which a processor included in a control device: causes a display device to display an inspection target image obtained by capturing an image of an inspection target of a nondestructive inspection; and when the displayed inspection target image includes two or more discontinuities of the inspection target, causes a frame for inspecting a discontinuity to be displayed in a size based on a predetermined dimension such that the frame is superimposed on the inspection target image and that at least one of movement or rotation of the frame relative to the inspection target image is possible.
15 . A non-transitory computer-readable storage medium storing a control program for causing a processor included in a control device to execute a process comprising: causing a display device to display an inspection target image obtained by capturing an image of an inspection target of a nondestructive inspection; and when the displayed inspection target image includes two or more discontinuities of the inspection target, causing a frame for inspecting a discontinuity to be displayed in a size based on a predetermined dimension such that the frame is superimposed on the inspection target image and that at least one of movement or rotation of the frame relative to the inspection target image is possible.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This application is a continuation of International Application No. PCT/JP2024/026033, filed on July 19, 2024, which claims priority from Japanese Patent Application No. 2023-119447, filed on July 21, 2023. The entire disclosure of each of the above applications is incorporated herein by reference. BACKGROUND Technical Field The present disclosure relates to a control device, a control method, and a control program. Related Art Hitherto, a nondestructive inspection has been performed using an inspection target image obtained by capturing an image of an inspection target. In the technique described in WO2022/014019A, the position and size of a discontinuity in a welded portion of an inspection target are detected from image data indicating the distribution of the intensity of transmitted radiation. A method of evaluating a discontinuity of an inspection target based on the discontinuity in a predetermined gauge is known as a nondestructive inspection method. For example, in an inspection conforming to a standard such as Japanese Industrial Standards (JIS) or International Organization for Standardization (ISO), an inspection target image obtained by capturing an image of an inspection target and a gauge defining an inspection range are superimposed one on another, and a discontinuity of the inspection target is evaluated based on the discontinuity in the gauge. In such an evaluation, adjusting the position of the gauge is meticulous work, which involves an issue of an increase in the burden on a user who performs the evaluation, a decrease in the inspection efficiency, and the like. SUMMARY The present disclosure has been made in consideration of the above-described circumstances, and an object of the present disclosure is to provide a control device, a control method, and a control program that are capable of supporting evaluation of a discontinuity of an inspection target. A control device according to a first aspect of the present disclosure includes at least one processor. The at least one processor is configured to: cause a display device to display an inspection target image obtained by capturing an image of an inspection target of a nondestructive inspection; and when the displayed inspection target image includes two or more discontinuities of the inspection target, cause a frame for inspecting a discontinuity to be displayed in a size based on a predetermined dimension such that the frame is superimposed on the inspection target image and that at least one of movement or rotation of the frame relative to the inspection target image is possible. In a control device according to a second aspect of the present disclosure, in the control device according to the first aspect, the frame is a figure corresponding to a gauge. In a control device according to a third aspect of the present disclosure, in the control device according to the first aspect, the frame is a figure equivalent to a gauge defined by a standard of Japanese Industrial Standards (JIS) or International Organization for Standardization (ISO) regarding a nondestructive inspection. In a control device according to a fourth aspect of the present disclosure, in the control device according to the first aspect, the at least one processor is configured to relatively move the frame such that a first auxiliary line and a second auxiliary line have a predetermined positional relationship, the first auxiliary line being provided in accordance with positions of the discontinuities, the second auxiliary line being provided in accordance with a position of the frame. In a control device according to a fifth aspect of the present disclosure, in the control device according to the fourth aspect, the first auxiliary line is a line segment connecting centers of gravity of two of the discontinuities. In a control device according to a sixth aspect of the present disclosure, in the control device according to the fourth aspect, the first auxiliary line is a line segment connecting points in regions of two of the discontinuities, and when a plurality of the line segments are present, a longest line segment among the plurality of line segments is regarded as the first auxiliary line. In a control device according to a seventh aspect of the present disclosure, in the control device according to the fourth aspect, when the frame has a rectangular shape, the second auxiliary line is at least one of diagonal lines of the rectangular frame, and when the frame has a circular shape, the second auxiliary line is at least one line corresponding to a diameter of the circular frame. In a control device according to an eighth aspect of the present disclosure, in the control device according to the first aspect, the at least one processor is configured to, when the discontinuity of which at least a part is present within the frame has a region superimposed on the frame, present information indicating that the discontinuity has the re