Work Estimation Device, Work Estimation Method, And Work Estimation Program

Abstract: A work estimation device (100) comprises a distance calculation unit (114) and a work estimation unit (116). The distance calculation unit (114) converts joint motion data, which indicates a temporal transition of the position of each joint during work of a worker, into multidimensional waveform data and calculates a distance between a feature amount converted by convolving the converted multidimensional waveform data using a convolution parameter and each feature amount converted by converting each piece of joint motion data forming a plurality of pieces of joint motion data for learning the convolution parameter into multidimensional waveform data and then convolving each piece of the converted multidimensional waveform data using the convolution parameter. The convolution parameter is learned such that the distance between pieces of joint motion data representing the same work is relatively small and the distance between pieces of joint motion data indicating different work is relatively large. The work estimation unit (116) estimates a work content corresponding to data to be inferred on the basis of each of the calculated distances.

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