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:
Oct. 27, 2015
Filed:
Mar. 06, 2014
Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd., Shenzhen, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., Shenzhen, CN;
HON HAI PRECISION INDUSTRY CO., LTD., New Taipei, TW;
Abstract
A computing device is connected to a measurement device including a projector, a left camera and a right camera. The projector is controlled to project gratings with a number M of frequencies on an object. The left camera captures a number N of left grating images, and the right camera captures a number N of right grating images of the gratings with each of the frequencies. A luminous intensity of each pixel in each of the left grating images and the right grating images is computed. According to the luminous intensity of each pixel in each of the left grating images, a first phase grayscale image is obtained. According to the luminous intensity of each pixel in each of the right grating images, a second phase grayscale image is obtained. A matched image is obtained by matching the first phase grayscale image and the second phase grayscale image.