Patent ID: 11935261
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Measurement (Instruments)
Classification: CPC G  H  E | IPC E  G  H

Claim 6:
7. A method comprising:
receiving, by a device, an image of a window captured by an image capture module of a mobile device, the window including a plurality of removable cards placed on the window, wherein the plurality of removable cards collectively define a plurality of correspondence points, and wherein the plurality of correspondence points comprise at least a set of correspondence points visible in the image at pre-defined positions on the respective removable card;
detecting, by the device, a set of locations of each of the set of correspondence points;
calculating, by the device, dimensions of the window based on the set of locations and the pre-defined positions of the correspondence points on the respective removable cards, wherein calculating the dimensions of the window removes perspective distortions from the image; and
outputting, by the device, information indicative of the dimensions of the window, wherein the dimensions of the window are dimensions of a film to be cut for the window.