Displacement measurement device and displacement measurement method

1-1. Overview of Displacement Measurement System

[0058]A displacement measurement system that captures a plurality of images of a subject to be measured and calculates a displacement of the subject from the plurality of captured images, and a displacement measurement device included in the displacement measurement system, will be described here.

[0059]FIG. 2 is an exterior view illustrating an example of the configuration of displacement measurement system 1 according to Embodiment 1.

[0060]As illustrated in FIG. 2, displacement measurement system 1 is configured including image capturing device 200 and displacement measurement device 100.

[0061]Image capturing device 200 captures an image of subject 300, which is a subject to be measured. Image capturing device 200 captures, for example, a plurality of images of subject 300 over time, from a fixed angle of view.

[0062]For example, when displacement measurement device 100 is to train first machine learning model 10 (described later), image

[0120]A displacement measurement device according to Embodiment 2, configured by changing part of the configuration of displacement measurement device 100 according to Embodiment 1, will be described next.

[0121]The displacement measurement device according to Embodiment 2 will be described hereinafter, focusing on differences from displacement measurement device 100 according to Embodiment 1.

2-1. Configuration of Displacement Measurement Device 400

[0122]FIG. 10 is a block diagram illustrating the configuration of displacement measurement device 400 according to Embodiment 2.

[0123]As illustrated in FIG. 10, displacement measurement device 400 is configured by changing displacement measurement device 100 according to Embodiment 1 as follows: first machine learning model 10 has been changed to first machine learning model 410; second obtainer 60 has been changed to second obtainer 460; and first trainer 70 has been changed to first trainer 470.

[0124]First machine learning model 410 is a m

[0153]A displacement measurement device according to Embodiment 3, configured by changing part of the configuration of displacement measurement device 400 according to Embodiment 2, will be described next.

[0154]The displacement measurement device according to Embodiment 3 will be described hereinafter, focusing on differences from displacement measurement device 400 according to Embodiment 2.

3-1. Configuration of Displacement Measurement Device 500

[0155]FIG. 14 is a block diagram illustrating the configuration of displacement measurement device 500 according to Embodiment 3.

[0156]As illustrated in FIG. 14, displacement measurement device 500 is configured by changing displacement measurement device 400 according to Embodiment 2 as follows: first machine learning model 410 has been changed to first machine learning model 510; first generator 30 has been changed to first generator 530; hypothetical displacement calculator 40 has been changed to hypothetical displacement calculator 540; a