Method and system for growth status determination of a plant
Patent application, 2015

The present invention relates to a method for determining a growth status of a plant comprising chlorophyll, the method comprising the steps of: illuminating the plant (102) with input light including a light intensity modulation component (205, 206, 207, 208); detecting light emitted from the plant; determining (S702) an offset light intensity (204) surrounding the plant, the offset light intensity being a static component of the input light; determining (S718) a phase and a gain between the input light and the detected light, determining (S720) a growth status of the plant based on a predetermined relationship between input light and detected light, and on the phase and the gain. The invention also relates to a corresponding system and to a computer program product.

LED lighting


remote sensing



Anna-Maria Carstensen

Chalmers, Signals and Systems, Systems and control, Automatic Control

Torsten Wik

Chalmers, Signals and Systems, Systems and control, Automatic Control

Heliospectra AB

EPC 15151159.9

Driving Forces

Sustainable development

Innovation and entrepreneurship

Subject Categories


Diagnostic Biotechnology

Biological Sciences

Bioinformatics and Systems Biology

Control Engineering

Signal Processing

Areas of Advance


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