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.

Date of Patent:
Jan. 30, 2024

Filed:

May. 28, 2020
Applicant:

Yara International Asa, Oslo, NO;

Inventors:

Idaly Ali, Singapore, SG;

Matthew Lim, Singapore, SG;

Robin Yeo, Singapore, SG;

Zhide Loh, Singapore, SG;

Muhammad Izuddin, Singapore, SG;

Navin Twarakavi, Whitefield, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/42 (2006.01); G06T 7/90 (2017.01); G01J 3/02 (2006.01); G01J 3/10 (2006.01); G01N 21/84 (2006.01);
U.S. Cl.
CPC ...
G01J 3/42 (2013.01); G01J 3/0272 (2013.01); G01J 3/10 (2013.01); G01N 21/84 (2013.01); G06T 7/90 (2017.01); G01N 2021/8466 (2013.01); G06T 2207/30188 (2013.01);
Abstract

A method of estimating chlorophyll content of a leaf including providing a device wherein the device includes a mobile computing device with a digital camera; and a peripheral removably attached to the mobile computing device, the peripheral including a light source aligned with the digital camera, wherein the peripheral provides for a space between the light source and the digital camera; capturing by the digital camera a first image of the light source turned on without the leaf interposed between the digital camera and the light source; retrieving exposure data of the first image; capturing by the digital camera a second image with the leaf interposed between the digital camera and the turned on light source; retrieving exposure data of the second image; and using a processor, estimating the chlorophyll content of the leaf based on the retrieved exposure data of the first and second images.


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