Enhancement of Image Classification Using Transfer Learning and GAN-Based Synthetic Data Augmentation

Plastic bottle recycling has a crucial role in environmental degradation and protection. Position and background should be the same to classify plastic bottles on a conveyor belt. The manual detection of plastic bottles is time consuming and leads to human error. Hence, the automatic classification...

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Main Authors: Subhajit Chatterjee, Debapriya Hazra, Yung-Cheol Byun, Yong-Woon Kim
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/10/9/1541
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author Subhajit Chatterjee
Debapriya Hazra
Yung-Cheol Byun
Yong-Woon Kim
author_facet Subhajit Chatterjee
Debapriya Hazra
Yung-Cheol Byun
Yong-Woon Kim
author_sort Subhajit Chatterjee
collection DOAJ
description Plastic bottle recycling has a crucial role in environmental degradation and protection. Position and background should be the same to classify plastic bottles on a conveyor belt. The manual detection of plastic bottles is time consuming and leads to human error. Hence, the automatic classification of plastic bottles using deep learning techniques can assist with the more accurate results and reduce cost. To achieve a considerably good result using the DL model, we need a large volume of data to train. We propose a GAN-based model to generate synthetic images similar to the original. To improve the image synthesis quality with less training time and decrease the chances of mode collapse, we propose a modified lightweight-GAN model, which consists of a generator and a discriminator with an auto-encoding feature to capture essential parts of the input image and to encourage the generator to produce a wide range of real data. Then a newly designed weighted average ensemble model based on two pre-trained models, inceptionV3 and xception, to classify transparent plastic bottles obtains an improved classification accuracy of 99.06%.
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spelling doaj.art-4da181058efc498b943509a1b590e3782023-11-23T08:45:53ZengMDPI AGMathematics2227-73902022-05-01109154110.3390/math10091541Enhancement of Image Classification Using Transfer Learning and GAN-Based Synthetic Data AugmentationSubhajit Chatterjee0Debapriya Hazra1Yung-Cheol Byun2Yong-Woon Kim3Department of Computer Engineering, Jeju National University, Jeju 63243, KoreaDepartment of Computer Engineering, Jeju National University, Jeju 63243, KoreaDepartment of Computer Engineering, Jeju National University, Jeju 63243, KoreaCentre for Digital Innovation, CHRIST University (Deemed to be University), Bengaluru 560029, Karnataka, IndiaPlastic bottle recycling has a crucial role in environmental degradation and protection. Position and background should be the same to classify plastic bottles on a conveyor belt. The manual detection of plastic bottles is time consuming and leads to human error. Hence, the automatic classification of plastic bottles using deep learning techniques can assist with the more accurate results and reduce cost. To achieve a considerably good result using the DL model, we need a large volume of data to train. We propose a GAN-based model to generate synthetic images similar to the original. To improve the image synthesis quality with less training time and decrease the chances of mode collapse, we propose a modified lightweight-GAN model, which consists of a generator and a discriminator with an auto-encoding feature to capture essential parts of the input image and to encourage the generator to produce a wide range of real data. Then a newly designed weighted average ensemble model based on two pre-trained models, inceptionV3 and xception, to classify transparent plastic bottles obtains an improved classification accuracy of 99.06%.https://www.mdpi.com/2227-7390/10/9/1541deep learninggenerative adversarial networksimage classificationtransfer learningplastic bottle
spellingShingle Subhajit Chatterjee
Debapriya Hazra
Yung-Cheol Byun
Yong-Woon Kim
Enhancement of Image Classification Using Transfer Learning and GAN-Based Synthetic Data Augmentation
Mathematics
deep learning
generative adversarial networks
image classification
transfer learning
plastic bottle
title Enhancement of Image Classification Using Transfer Learning and GAN-Based Synthetic Data Augmentation
title_full Enhancement of Image Classification Using Transfer Learning and GAN-Based Synthetic Data Augmentation
title_fullStr Enhancement of Image Classification Using Transfer Learning and GAN-Based Synthetic Data Augmentation
title_full_unstemmed Enhancement of Image Classification Using Transfer Learning and GAN-Based Synthetic Data Augmentation
title_short Enhancement of Image Classification Using Transfer Learning and GAN-Based Synthetic Data Augmentation
title_sort enhancement of image classification using transfer learning and gan based synthetic data augmentation
topic deep learning
generative adversarial networks
image classification
transfer learning
plastic bottle
url https://www.mdpi.com/2227-7390/10/9/1541
work_keys_str_mv AT subhajitchatterjee enhancementofimageclassificationusingtransferlearningandganbasedsyntheticdataaugmentation
AT debapriyahazra enhancementofimageclassificationusingtransferlearningandganbasedsyntheticdataaugmentation
AT yungcheolbyun enhancementofimageclassificationusingtransferlearningandganbasedsyntheticdataaugmentation
AT yongwoonkim enhancementofimageclassificationusingtransferlearningandganbasedsyntheticdataaugmentation