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ASSESSMENT OF PLANT LEAF AREA MEASUREMENT BY USING STEREO- VISION
Leemans, Vincent; Dumont, Benjamin; Destain, Marie-France
2013In 2013 International Conference on 3D Imaging (IC3D) - Proceedings
Peer reviewed
 

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Keywords :
LAI; 3D; plant leaf area; ALA
Abstract :
[en] The aim of this study is to develop an alternative measurement for the leaf area index (LAI), an important agronomic parameter for plant growth assessment. A 3D stereo-vision technique was developed to measure both leaf area and corresponding ground area. The leaf area was based on pixel related measurements while the ground area was based on the mean distance from the leaves to the camera. Laboratory and field experiments were undertaken to estimate the accuracy and the precision of the technique. Result showed that, though the leaves-camera distance had to be estimated precisely in order to have accurate measurement, the precision of the LAI evaluation, after regression, was equivalent to the reference measurements, that is to say around 10% of the estimated value. This shows the potential of the 3D measurements compared with tedious reference measurements.
Disciplines :
Agriculture & agronomy
Computer science
Author, co-author :
Leemans, Vincent ;  Université de Liège - ULiège > Sciences et technologie de l'environnement > Agriculture de précision
Dumont, Benjamin  ;  Université de Liège - ULiège > Sciences et technologie de l'environnement > Agriculture de précision
Destain, Marie-France ;  Université de Liège - ULiège > Sciences et technologie de l'environnement > Agriculture de précision
Language :
English
Title :
ASSESSMENT OF PLANT LEAF AREA MEASUREMENT BY USING STEREO- VISION
Alternative titles :
[en] Evaluation de la mesure de la superficie foliaire par vision stéréoscopique
Publication date :
December 2013
Event name :
2013 International Conference on 3D Imaging (IC3D)
Event organizer :
ULg
Event place :
Liège, Belgium
Event date :
du 3 au 5 décembre 2013
Audience :
International
Main work title :
2013 International Conference on 3D Imaging (IC3D) - Proceedings
Main work alternative title :
[en] Conférence internationale sur l'imagerie 3D - 2013
Publisher :
The Institute of Electrical and Electronics Engineers - Signal Processing Society
ISBN/EAN :
978-1-4799-3203-0
Peer reviewed :
Peer reviewed
Available on ORBi :
since 11 February 2015

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