Calibration methods for ostomy appliance tools

A method, performed by an accessory device, for processing image data of a stoma, the method comprising:

• obtaining, from a camera of the accessory device, first image data of a portion of a user's body that includes a stoma of the user and a set of reference locations that comprises a mark applied to the user's body;
• determining, based on the image data and the set of reference locations, a set of parameters corresponding to the stoma, the set of parameters comprising at least one of:
• a shape of the stoma;
• a location of the stoma;
• a size of the stoma;
• or
• an orientation of the stoma;
• generating, using the set of parameters, indicia that represents the stoma according to the first image data;
• and
• displaying, on a screen of the accessory device and over second image data that includes the stoma of the user, the generated indicia.

A system comprising:

• a processor;
• and
• a memory storing instructions that, when executed by the processor, cause the system to perform a set of operations, the set of operations comprising:
• obtaining first image data of a portion of a user's body that includes a stoma of the user and a set of reference locations that comprises a mark applied to the user's body;
• determining, based on the image data and the set of reference locations, a set of parameters corresponding to the stoma, the set of parameters comprising at least one of:
• a shape of the stoma;
• a location of the stoma;
• a size of the stoma;
• or
• an orientation of the stoma;
• and
• storing the set of parameters for subsequent processing, the subsequent processing comprising:
• generating, using the set of parameters, indicia that represents the stoma according to the first image data;
• and
• generating, for display to a user, a visual representation that includes the generated indicia over second image data, the second image data including the stoma of the user.