Patent ID: 11857726
Assignee: RESMED PTY LTD
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 0:
1. A non-transitory computer-readable medium containing processor control instructions, which when executed by one or more processors, control operations for an automated method for selecting a patient interface according to patient interface size, the processor control instructions comprising:
instructions to control displaying a predetermined reference feature having a known dimension on a display interface of a display device;
instructions to receive image data captured by an image sensor coupled with the display device, the captured image data containing one or more facial features of an intended user of the patient interface in association with a displayed version of the predetermined reference feature being displayed on the display interface of the display device;
instructions to detect one or more facial features of the user in the captured image data;
instructions to detect the displayed version of the predetermined reference feature in the captured image data; and
instructions to process image pixel data of the captured image data to measure an aspect of the one or more facial features detected in the captured image data based on image pixel data associated with the displayed version of the predetermined reference feature and the known dimension of the predetermined reference feature.