title   
  

Plant identification using deep neural networks via optimization of transfer learning parameters

Mehdipour Ghazi, Mostafa and Yanıkoğlu, Berrin and Aptoula, Erchan (2017) Plant identification using deep neural networks via optimization of transfer learning parameters. Neurocomputing, 235 . pp. 228-235. ISSN 0925-2312 (Print) 1872-8286 (Online)

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Official URL: http://dx.doi.org/10.1016/j.neucom.2017.01.018

Abstract

We use deep convolutional neural networks to identify the plant species captured in a photograph and evaluate different factors affecting the performance of these networks. Three powerful and popular deep learning architectures, namely GoogLeNet, AlexNet, and VGGNet, are used for this purpose. Transfer learning is used to fine-tune the pre-trained models, using the plant task datasets of LifeCLEF 2015. To decrease the chance of overfitting, data augmentation techniques are applied based on image transforms such as rotation, translation, reflection, and scaling. Furthermore, the networks' parameters are adjusted and different classifiers are fused to improve overall performance. Our best combined system has achieved an overall accuracy of 80% on the validation set and an overall inverse rank score of 0.752 on the official test set. A comparison of our results against the results of the LifeCLEF 2015 plant identification campaign shows that we have improved the overall validation accuracy of the top system by 15% points and its overall inverse rank score on the test set by 0.1 while outperforming the top three competition participants in all categories. The system recently obtained a very close second place in the P1antCLEF 2016.

Item Type:Article
Uncontrolled Keywords:Convolutional neural networks; Deep learning; Plant identification; Transfer learning; Inverse rank score
Subjects:Q Science > QA Mathematics > QA075 Electronic computers. Computer science
ID Code:32360
Deposited By:Berrin Yanıkoğlu
Deposited On:15 Jun 2017 15:38
Last Modified:15 Jun 2017 15:38

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