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article · IEEE Access

Skin Lesions Classification Into Eight Classes for ISIC 2019 Using Deep Convolutional Neural Network and Transfer Learning

2020361 citationsOpen accessKafr el-Sheikh University

In plain language

This research proposes a deep learning model for the accurate classification of skin lesions, addressing the high mortality rate associated with melanoma and the diagnostic challenges posed by similar-looking lesions. The model employs transfer learning with a pre-trained GoogleNet architecture, fine-tuning its parameters through training. It was tested using the ISIC 2019 public challenge dataset and successfully classified eight distinct types of skin lesions, including melanoma, basal cell carcinoma, and squamous cell carcinoma. The model achieved a classification accuracy of 94.92%, a sensitivity of 79.8%, a specificity of 97%, and a precision of 80.36%. Additionally, it can identify images that do not belong to any of the eight specified classes, classifying them as unknown.

Key takeaways

  • Melanoma is a highly fatal skin cancer, and early, accurate diagnosis of skin lesions is crucial for patient treatment.
  • A deep learning model utilising transfer learning with a pre-trained GoogleNet was developed for skin lesion classification.
  • The model successfully classified eight different types of skin lesions from the ISIC 2019 dataset.
  • It achieved high performance metrics, including 94.92% accuracy, 79.8% sensitivity, 97% specificity, and 80.36% precision.
  • The model can also identify images that do not fit into the eight predefined lesion categories.

Why it matters

Accurate and early diagnosis of skin lesions, particularly melanoma, is vital for effective treatment and saving lives. This research offers a highly accurate automated tool that could assist dermatologists in distinguishing between various skin conditions, potentially improving diagnostic efficiency and patient outcomes in a critical area of healthcare.

Commercialisation angle

This research presents an applied deep learning model for automated skin lesion classification, which could serve as a diagnostic aid for dermatologists and medical professionals. The model's ability to classify eight lesion types and identify unknown images suggests its potential for integration into clinical decision support systems. It is an early-stage technology, tested on a public dataset, indicating its readiness for further validation and development towards real-world clinical application.

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Abstract

Melanoma is a type of skin cancer with a high mortality rate. The different types of skin lesions result in an inaccurate diagnosis due to their high similarity. Accurate classification of the skin lesions in their early stages enables dermatologists to treat the patients and save their lives. This paper proposes a model for a highly accurate classification of skin lesions. The proposed model utilized the transfer learning and pre-trained model with GoogleNet. The model parameters are used as initial values, and then these parameters will be modified through training. The latest well-known public challenge dataset, ISIC 2019, is used to test the ability of the proposed model to classify different kinds of skin lesions. The proposed model successfully classified the eight different classes of skin lesions, namely, melanoma, melanocytic nevus, basal cell carcinoma, actinic keratosis, benign keratosis, dermatofibroma, vascular lesion, and Squamous cell carcinoma. The achieved classification accuracy, sensitivity, specificity, and precision percentages are 94.92%, 79.8%, 97%, and 80.36%, respectively. The proposed model can detect images that do not belong to any one of the eight classes where these images are classified as unknown images.

Research topics

  • Cutaneous Melanoma Detection and Management
  • AI in cancer detection

Sustainable Development Goals

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DOI: 10.1109/access.2020.3003890

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