The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 2018
Filed:
Oct. 14, 2016
National Taiwan University of Science and Technology, Taipei, TW;
Tzung-Han Lin, Taipei, TW;
National Taiwan University of Science and Technology, Taipei, TW;
Abstract
An image correction method of projector and an image correction system are provided. An image capturing apparatus shoots a physical calibration panel to obtain a first image, and shoots an outputting image of a calibration panel pattern on a projection screen outputted from the projector to obtain a second image. A processor analyzes the first image to obtain a first calibration parameter and a first homography matrix, and performs an undistorting operation for the second image based on the first calibration parameter to obtain a third image. The processor analyzes the third image to obtain a second calibration parameter and a second homography matrix of the projector. The processor performs a compensating operation for an original image to be outputted from the projector based on the second calibration parameter, the second homography matrix and the first homography matrix to obtain a compensated image.