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:
Feb. 11, 2025
Filed:
Jun. 03, 2020
Applicant:
Qstag Co., Ltd., Gunpo-si, KR;
Inventor:
Dong Hoon Lee, Suwon-si, KR;
Assignee:
QSTAG Co., LTD., Gunpo-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/78 (2006.01); G01N 33/52 (2006.01); G06T 7/90 (2017.01); H04N 9/64 (2023.01);
U.S. Cl.
CPC ...
G01N 21/78 (2013.01); G01N 33/521 (2013.01); G06T 7/90 (2017.01); H04N 9/64 (2013.01); G06T 2207/10024 (2013.01);
Abstract
A detection method according to the present embodiment comprises the steps of (a) photographing a first reference color area indicated by a first reference color, a second reference color area indicated by a second reference color, and a detection region reacting with a target so as to change color, (b) converting a photography result into a single element, (c) extracting a single element gradation value from the converted photography result, (d) converting the extracted single element gradation value into a standard gradation value, and (e) detecting the concentration of the target from the standard gradation value.