Nondestructive Identification of Cherry-Tomato Varieties Based on Multi-Spectral Image Technology

Autor: Yong He, Lei Feng, Shuang Shuang Chen, Kai Sheng Yang, Peng Cheng Nie
Rok vydání: 2010
Předmět:
Zdroj: Advanced Materials Research. :262-267
ISSN: 1662-8985
DOI: 10.4028/www.scientific.net/amr.108-111.262
Popis: Yunnan cherry-tomato and Xinjiang cherry-tomato were very similar in appearance. But they are different in taste and nutritive value. A nondestructive identification method of cherry-tomato variety based on multi-spectral image technology is proposed in this paper. Fifty Yunnan cherry-tomatoes and fifty Xinjiang cherry-tomatoes were selected, and photos were taken by Duncan MS3100 3CCD multi-spectral imager. Threshold based segmentation and mathematical morphology method were used to process the images. Nine characteristic variables were calculated to establish discriminant analysis model (DA) and least square-support vector machine model (LS-SVM). The prediction accuracy of discriminant analysis model was 72.5% and that of LS-SVM model was 80%. The results showed that LS-SVM model could identify Yunnan cherry-tomato and Xinjiang cherry-tomato well.
Databáze: OpenAIRE