This disclosure relates to the field of camera calibration for additive manufacturing devices. Additive
manufacturing is a lengthy process spanning several hours even for small‐scale 3D printing devices. The
capability of a 3D printer to detect any defect in the printing process can save money in terms of materials,
agents and energy. In addition to monitorize the build process, in‐printer cameras can be used to augment
the information or detect build errors. To accurately use these functions, cameras must be calibrated.
A method is disclosed that allows to calibrate the camera installed in the build chamber of 3D printers that
uses the landmarks present in the build bed to perform without user intervention.
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INC, HP, "AUTOCALIBRATION OF CAMERAS FOR 3D PRINTING PROCESS MONITORING", Technical Disclosure Commons, (September 23, 2019)