Determining a wear level of a treatment head of a personal care device

Abstract

According to an aspect, there is provided a computer-implemented method (100) for determining the lifetime of a treatment head of a personal care device, the method comprising: receiving (102) a plurality of images of the treatment head, each of the plurality of images captured at a different time during a lifetime of the treatment head; determining (104), for each image in the plurality of images, a wear level indicative of a level of wear of the treatment head at the time that the image was captured; and determining (106), based on the plurality of wear levels, an estimated time at which the treatment head is to be replaced.

Dependencies are inferred from the claim text.