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Paper Abstract and Keywords
Presentation 2006-10-20 16:15
Lawn weeds detection methods using image processing techniques
Ukrit Watchareeruetai, Yoshinori Takeuchi, Tetsuya Matsumoto, Hiroaki Kudo, Noboru Ohnishi (Nagoya Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this work, three methods of lawn weeds detection based on various image processing techniques, Bayesian classifier, morphology operators, and gray-scale uniformity analysis based methods, were evaluated and compared by using four different seasons image datasets. In the evaluations, two types of automatic weeding systems (i.e., chemical and non-chemical based) together with the detection methods were simulated and their performances were compared. From the results, for chemical approach, the Bayesian classifier based method could destroy 80.85%-96.30% of weeds, with more than 80% of accuracy for all datasets. For non-chemical approach, its accuracy was nearly 100% for all datasets. This shows its robustness against changing in season. The morphological operator based method was the best in weeds destruction for the non-chemical based system. However, its accuracy performance ranked as the last. For gray-scale uniformity analysis method, it missed detecting a lot of weeds for winter dataset, only 31.91%-36.17% of total weeds could be destroyed. Among three detection methods, the Bayesian classifier based method can be considered as the most appropriate method for both chemical and non-chemical weeding systems.
Keyword (in Japanese) (See Japanese page) 
(in English) lawn / weed detection / Bayesian classifier / morphology operator / gray-scale uniformity analysis / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 301, PRMU2006-115, pp. 65-70, Oct. 2006.
Paper # PRMU2006-115 
Date of Issue 2006-10-13 (PRMU) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee PRMU NLC TL  
Conference Date 2006-10-19 - 2006-10-20 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To PRMU 
Conference Code 2006-10-PRMU-NLC-TL 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Lawn weeds detection methods using image processing techniques 
Sub Title (in English)  
Keyword(1) lawn  
Keyword(2) weed detection  
Keyword(3) Bayesian classifier  
Keyword(4) morphology operator  
Keyword(5) gray-scale uniformity analysis  
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1st Author's Name Ukrit Watchareeruetai  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Yoshinori Takeuchi  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Tetsuya Matsumoto  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Hiroaki Kudo  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
5th Author's Name Noboru Ohnishi  
5th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2006-10-20 16:15:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2006-115 
Volume (vol) vol.106 
Number (no) no.301 
Page pp.65-70 
#Pages
Date of Issue 2006-10-13 (PRMU) 


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