Lower limb shape change measuring apparatus, method and program

摘要

PROBLEM TO BE SOLVED: To accurately measure a shape change of a subject's lower limb in a lower limb shape change measuring apparatus, method, and program.SOLUTION: The lower limb shape change measuring apparatus comprises: a measurement unit which has an imaging unit for photographing the lower limb of a walking subject and for outputting image data, and a posture measurement unit for measuring the posture of the subject's lower limb and for outputting posture data, and which outputs measurement data containing the image data and the posture data; a shape calculation unit which pairs three-dimensional shape data of the subject's lower limb and the posture data of the lower limb and stores the paired data in a storage unit, the three-dimensional shape data of the subject's lower limb being calculated from the image data with respect to the measurement data at each time; and a shape displacement determination unit which determines a displacement of a three-dimensional shape by comparing three-dimensional shape data paired with the posture data of which difference from the lower limb posture data in the data pair of the previous measurement data is less than a threshold value, among the data pairs measured in the past and stored in the storage unit, against the three-dimensional shape data in the data pair of the current measurement time.