Enhancing clariid catfish species classification: A deep learning framework utilizing cranial morphology and explainable AI

The accurate classification of fish species is vital for biodiversity monitoring and aquaculture management. In this study, a deep learning-based framework is proposed to classify bighead catfish (Clarias macrocephalus), North African catfish (Clarias gariepinus), and their F1 hybrids using cranial...

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Main Authors: Kriengsak Treeprapin, Rakdee Bandatang, Thitipong Panthum, Worapong Singchat, Jiraboon Prasanpan, Kornsorn Srikulnath, Suchin Trirongjitmoah
Format: Article
Language:English
Published: Elsevier 2025-12-01
Series:Smart Agricultural Technology
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Online Access:http://www.sciencedirect.com/science/article/pii/S2772375525003971
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author Kriengsak Treeprapin
Rakdee Bandatang
Thitipong Panthum
Worapong Singchat
Jiraboon Prasanpan
Kornsorn Srikulnath
Suchin Trirongjitmoah
author_facet Kriengsak Treeprapin
Rakdee Bandatang
Thitipong Panthum
Worapong Singchat
Jiraboon Prasanpan
Kornsorn Srikulnath
Suchin Trirongjitmoah
author_sort Kriengsak Treeprapin
collection DOAJ
description The accurate classification of fish species is vital for biodiversity monitoring and aquaculture management. In this study, a deep learning-based framework is proposed to classify bighead catfish (Clarias macrocephalus), North African catfish (Clarias gariepinus), and their F1 hybrids using cranial morphological features. Eliminating the need for full-body analysis, this approach prioritizes head-based classification through YOLOv11 cranial segmentation, deep learning models (e.g., ResNet18), and dataset balancing techniques (e.g., augmentation) to enhance accuracy. The highest accuracy (99.517%) and F1-score (99.551%) were achieved using ResNet18, which demonstrated superior feature extraction capabilities and resilience to class imbalances. Classification reliability was ensured by genetic validation, while gradient-weighted class activation mapping (Grad-CAM) visualizations confirmed the significance of cranial features, particularly in the occipital region. The proposed framework demonstrates improved classification accuracy, offering a scalable and reliable alternative to conventional taxonomy. Future work could explore hybrid convolutional neural network (CNN) and vision transformers (ViT) models to optimize performance and efficiency.
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institution Matheson Library
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publishDate 2025-12-01
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spelling doaj-art-dfcfa8cc62a14fe99c739c0f12d7c9f62025-07-14T04:15:28ZengElsevierSmart Agricultural Technology2772-37552025-12-0112101165Enhancing clariid catfish species classification: A deep learning framework utilizing cranial morphology and explainable AIKriengsak Treeprapin0Rakdee Bandatang1Thitipong Panthum2Worapong Singchat3Jiraboon Prasanpan4Kornsorn Srikulnath5Suchin Trirongjitmoah6Department of Mathematics Statistics and Computer, Faculty of Science, Ubon Ratchathani University, 85 Sathonlamark, Warinchamrab, Ubon Ratchathani 34190, ThailandDepartment of Electrical and Electronics Engineering, Faculty of Engineering, Ubon Ratchathani University, 85 Sathonlamark, Warinchamrab, Ubon Ratchathani 34190, ThailandAnimal Genomics and Bioresource Research Unit (AGB Research Unit), Faculty of Science, Kasetsart University, Bangkok, Thailand; Biodiversity Center, Kasetsart University (BDCKU), Bangkok 10900, ThailandAnimal Genomics and Bioresource Research Unit (AGB Research Unit), Faculty of Science, Kasetsart University, Bangkok, Thailand; Biodiversity Center, Kasetsart University (BDCKU), Bangkok 10900, ThailandKalasin Fish Hatchery Farm, Betagro Public Company Limited, Buaban, Yangtalad District, Kalasin, ThailandAnimal Genomics and Bioresource Research Unit (AGB Research Unit), Faculty of Science, Kasetsart University, Bangkok, Thailand; Biodiversity Center, Kasetsart University (BDCKU), Bangkok 10900, Thailand; Corresponding authors.Department of Electrical and Electronics Engineering, Faculty of Engineering, Ubon Ratchathani University, 85 Sathonlamark, Warinchamrab, Ubon Ratchathani 34190, Thailand; Corresponding authors.The accurate classification of fish species is vital for biodiversity monitoring and aquaculture management. In this study, a deep learning-based framework is proposed to classify bighead catfish (Clarias macrocephalus), North African catfish (Clarias gariepinus), and their F1 hybrids using cranial morphological features. Eliminating the need for full-body analysis, this approach prioritizes head-based classification through YOLOv11 cranial segmentation, deep learning models (e.g., ResNet18), and dataset balancing techniques (e.g., augmentation) to enhance accuracy. The highest accuracy (99.517%) and F1-score (99.551%) were achieved using ResNet18, which demonstrated superior feature extraction capabilities and resilience to class imbalances. Classification reliability was ensured by genetic validation, while gradient-weighted class activation mapping (Grad-CAM) visualizations confirmed the significance of cranial features, particularly in the occipital region. The proposed framework demonstrates improved classification accuracy, offering a scalable and reliable alternative to conventional taxonomy. Future work could explore hybrid convolutional neural network (CNN) and vision transformers (ViT) models to optimize performance and efficiency.http://www.sciencedirect.com/science/article/pii/S2772375525003971Deep learningCatfish classificationCranial segmentationClass imbalanceExplainable AI
spellingShingle Kriengsak Treeprapin
Rakdee Bandatang
Thitipong Panthum
Worapong Singchat
Jiraboon Prasanpan
Kornsorn Srikulnath
Suchin Trirongjitmoah
Enhancing clariid catfish species classification: A deep learning framework utilizing cranial morphology and explainable AI
Smart Agricultural Technology
Deep learning
Catfish classification
Cranial segmentation
Class imbalance
Explainable AI
title Enhancing clariid catfish species classification: A deep learning framework utilizing cranial morphology and explainable AI
title_full Enhancing clariid catfish species classification: A deep learning framework utilizing cranial morphology and explainable AI
title_fullStr Enhancing clariid catfish species classification: A deep learning framework utilizing cranial morphology and explainable AI
title_full_unstemmed Enhancing clariid catfish species classification: A deep learning framework utilizing cranial morphology and explainable AI
title_short Enhancing clariid catfish species classification: A deep learning framework utilizing cranial morphology and explainable AI
title_sort enhancing clariid catfish species classification a deep learning framework utilizing cranial morphology and explainable ai
topic Deep learning
Catfish classification
Cranial segmentation
Class imbalance
Explainable AI
url http://www.sciencedirect.com/science/article/pii/S2772375525003971
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