Sparse Representation Classification of Tobacco Leaves Using Near-Infrared Spectroscopy and a Deep Learning Algorithm
- 14 December 2017
- journal article
- research article
- Published by Taylor & Francis Ltd in Analytical Letters
- Vol. 51 (7), 1029-1038
- https://doi.org/10.1080/00032719.2017.1365882
Abstract
A spare representation classification method for tobacco leaves based on near-infrared spectroscopy and deep learning algorithm is reported in this paper. All training samples were used to make up a data dictionary of the sparse representation and the test samples were represented by the sparsest linear combinations of the dictionary by sparse coding. The regression residual of the test sample to each class was computed and finally assigned to the class with the minimum residual. The effectiveness of spare representation classification method was compared with K-nearest neighbor and particle swarm optimization-support vector machine algorithms. The results show that the classification accuracy of the proposed method is higher and it is more efficient. The results suggest that near-infrared spectroscopy with spare representation classification algorithm may be an alternative method to traditional methods for discriminating classes of tobacco leaves.Keywords
Funding Information
- Technology Project of Yunnan Reascend Tobacco Technology (Group) Co., Ltd (2015RS006,RS2017BH01)
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