Journal
BRITISH POULTRY SCIENCE
Volume 58, Issue 3, Pages 256-261Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00071668.2017.1278625
Keywords
Hyperspectral; egg; production system; support vector machine; cuckoo search algorithm
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Funding
- National Natural Science Funds project [31471413]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Six Talent Peaks Project in Jiangsu Province [ZBZZ-019]
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1. To identify the origin of table eggs more accurately, a method based on hyperspectral imaging technology was studied.2. The hyperspectral data of 200 samples of intensive and extensive eggs were collected. Standard normalised variables combined with a Savitzky-Golay were used to eliminate noise, then stepwise regression (SWR) was used for feature selection. Grid search algorithm (GS), genetic search algorithm (GA), particle swarm optimisation algorithm (PSO) and cuckoo search algorithm (CS) were applied by support vector machine (SVM) methods to establish an SVM identification model with the optimal parameters. The full spectrum data and the data after feature selection were the input of the model, while egg category was the output.3. The SWR-CS-SVM model performed better than the other models, including SWR-GS-SVM, SWR-GA-SVM, SWR-PSO-SVM and others based on full spectral data. The training and test classification accuracy of the SWR-CS-SVM model were respectively 99.3% and 96%.4. SWR-CS-SVM proved effective for identifying egg varieties and could also be useful for the non-destructive identification of other types of egg.
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