Title:
METHOD, APPARATUS AND DEVICE FOR DETERMINING CAMERA POSTURE INFORMATION, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/007258
Kind Code:
A1
Abstract:
Disclosed are a method, apparatus and device for determining camera posture information, and a storage medium. The method comprises: acquiring a first image, a second image, and a template image; carrying out feature point detection on a first feature point in the template image and a second feature point in the second image to obtain a first homography matrix; determining a first target homography matrix according to a first optical flow feature point in the first image and a second optical flow feature point in the second image, and determining a second homography matrix according to the first target homography matrix and a second target homography matrix; and carrying out complementary filtering processing on the first homography matrix and the second homography matrix to obtain camera posture information about the camera. By means of the embodiments of the present application, complementary filtering processing can be carried out on two homography matrices obtained in a camera posture tracking process to obtain more accurate camera posture information.
Inventors:
LIN XIANGKAI (CN)
BAO LINCHAO (CN)
LIU WEI (CN)
BAO LINCHAO (CN)
LIU WEI (CN)
Application Number:
PCT/CN2018/093418
Publication Date:
January 10, 2019
Filing Date:
June 28, 2018
Export Citation:
Assignee:
TENCENT TECH SHENZHEN CO LTD (CN)
International Classes:
G06T7/73; G06V10/75
Foreign References:
| US20170018086A1 | 2017-01-19 | |||
| CN105043392A | 2015-11-11 | |||
| CN102088569A | 2011-06-08 |
Other References:
See also references of EP 3579192A4
Attorney, Agent or Firm:
BEIJING SAN GAO YONG XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
Download PDF: