Information processing method and information processing apparatus

Abstract

To improve a board thickness estimation technique.SOLUTION: Provided is an information processing method for estimating the board thickness of a portion to be inspected in a facility structure, and the method includes: calculating a correction coefficient on the basis of surface roughness, lightness information, and the curvature of the portion to be inspected that are specified on the basis of a photographed image of the portion to be inspected; estimating the board thickness of the portion to be inspected on the basis of the correction coefficient and a board thickness measured value measured by an ultrasonic sensor; and outputting the board thickness of the portion to be inspected.SELECTED DRAWING: Figure 1

Claims

1. An information processing method for estimating the plate thickness of a part to be inspected in an equipment structure, A correction coefficient is calculated based on the surface roughness identified from the captured image of the area to be inspected, the brightness information of the measurement environment, and the curvature of the area to be inspected. Based on the correction coefficient and the plate thickness measurement value obtained by the ultrasonic sensor, the plate thickness of the area to be inspected is estimated. Outputting the plate thickness of the area to be inspected, Information processing methods including

2. The information processing method according to claim 1, characterized in that it calculates a plate thickness reduction rate based on the plate thickness and the original thickness of the area to be inspected, and if the plate thickness reduction rate exceeds a threshold, it estimates whether the cause of the plate thickness reduction is internal corrosion or external corrosion based on the surface roughness.

3. The information processing method according to claim 1 or 2, characterized in that information indicating the plate thickness is superimposed on a two-dimensional or three-dimensional image of the equipment structure and displayed on a display unit.

4. The information processing method according to claim 2, characterized in that information indicating the plate thickness reduction rate is superimposed on a two-dimensional or three-dimensional image of the equipment structure and displayed on the display unit.

5. The information processing method according to claim 4, characterized in that, in a two-dimensional or three-dimensional image of the equipment structure, information indicating whether the cause of the plate thickness reduction is internal corrosion or external corrosion is superimposed at locations where the plate thickness reduction rate exceeds the threshold.

6. An information processing device comprising a control unit for estimating the plate thickness of a part to be inspected in an equipment structure, wherein the control unit is A correction coefficient is calculated based on the surface roughness identified from the captured image of the area to be inspected, the brightness information of the measurement environment, and the curvature of the area to be inspected. Based on the correction coefficient and the plate thickness measurement value obtained by the ultrasonic sensor, the plate thickness of the area to be inspected is estimated. An information processing device that outputs the plate thickness of the area to be inspected.

7. The information processing apparatus according to claim 6, further comprising the control unit, which calculates a plate thickness reduction rate based on the plate thickness and the original thickness of the area to be inspected, and, if the plate thickness reduction rate exceeds a threshold, estimates whether the cause of the plate thickness reduction is internal corrosion or external corrosion based on the surface roughness.

8. The information processing apparatus according to claim 6 or 7, further characterized in that the control unit superimposes information indicating the plate thickness onto a two-dimensional or three-dimensional image of the equipment structure and displays it on the display unit.

9. The information processing apparatus according to claim 7, further characterized in that the control unit superimposes information indicating the plate thickness reduction rate onto a two-dimensional or three-dimensional image of the equipment structure and displays it on the display unit.

10. The information processing apparatus according to claim 9, wherein the control unit further superimposes information indicating whether the cause of the plate thickness reduction is internal corrosion or external corrosion on the display unit at locations in the two-dimensional or three-dimensional image of the equipment structure where the plate thickness reduction rate exceeds the threshold, and displays this information on the display unit.

Images