Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13769
Title: Combined thresholding and neural network approach for vein pattern extraction from leaf images
Authors: Fu, H
Chi, Z 
Issue Date: 2006
Publisher: The Institution of Engineering and Technology
Source: IEE proceedings. Vision, image, and signal processing, 2006, v. 153, no. 6, p. 881-892 How to cite?
Journal: IEE proceedings. Vision, image, and signal processing 
Abstract: Living plant recognition based on images of leaf, flower and fruit is a very challenging task in the field of pattern recognition and computer vision. There has been little work reported on flower and fruit image processing and recognition. In recent years, several researchers have dedicated their work to leaf characterisation. As an inherent trait, leaf vein definitely contains the important information for plant species recognition despite its complex modality. A new approach that combines a thresholding method and an artificial neural network (ANN) classifier is proposed to extract leaf veins. A preliminary segmentation based on the intensity histogram of leaf images is first carried out to coarsely determine vein regions. This is followed by a fine segmentation using a trained ANN classifier with ten features extracted from a window centred on the object pixel as its inputs. Compared with other methods, experimental results show that this combined approach is capable of extracting more accurate venation modality of the leaf for the subsequent vein pattern classification. The approach can also reduce the computing time compared with a direct neural network approach.
URI: http://hdl.handle.net/10397/13769
ISSN: 1350-245X
EISSN: 1359-7108
DOI: 10.1049/ip-vis:20060061
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