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:
Dec. 14, 2021
Filed:
Nov. 29, 2018
Hydrosem, Yongin-si, KR;
Republic of Korea (National Disaster Management Research Institute), Ulsan, KR;
Seo Jun Kim, Yongin-si, KR;
Byung Man Yoon, Yongin-si, KR;
Ho Jun You, Yongin-si, KR;
Dong Su Kim, Incheon, KR;
Tae Sung Cheong, Seoul, KR;
Jae Seung Joo, Ulsan, KR;
Hyeon Seok Choi, Ulsan, KR;
HYDROSEM, Yongin-si, KR;
REPUBLIC OF KOREA (NATIONAL DISASTER MANAGEMENT RESEARCH INSTITUTE), Ulsan, KR;
Abstract
Disclosed is a river flow velocity measurement device using optical flow image processing, including: an image photographing unit configured to acquire consecutive images of a flow velocity measurement site of a river; an image conversion analysis unit configured to dynamically extract frames of the consecutive images in order to normalize image data of the image photographing unit, image-convert the extracted frames, and perform homography calculation; an analysis region extracting unit configured to extract an analysis region of an analysis point; a pixel flow velocity calculating unit configured to calculate a pixel flow velocity using an image in the analysis region of the analysis point extracted by the analysis region extracting unit; and an actual flow velocity calculating unit configured to convert the pixel flow velocity calculated by the pixel flow velocity calculating unit into an actual flow velocity.