Title
Data Augmentation For Skin Lesion Analysis
Abstract
Deep learning models show remarkable results in automated skin lesion analysis. However, these models demand considerable amounts of data, while the availability of annotated skin lesion images is often limited. Data augmentation can expand the training dataset by transforming input images. In this work, we investigate the impact of 13 data augmentation scenarios for melanoma classification trained on three CNNs (Inception-v4, ResNet, and DenseNet). Scenarios include traditional color and geometric transforms, and more unusual augmentations such as elastic transforms, random erasing and a novel augmentation that mixes different lesions. We also explore the use of data augmentation at test-time and the impact of data augmentation on various dataset sizes. Our results confirm the importance of data augmentation in both training and testing and show that it can lead to more performance gains than obtaining new images. The best scenario results in an AUC of 0.882 for melanoma classification without using external data, outperforming the top-ranked submission (0.874) for the ISIC Challenge 2017, which was trained with additional data.
Year
DOI
Venue
2018
10.1007/978-3-030-01201-4_33
OR 2.0 CONTEXT-AWARE OPERATING THEATERS, COMPUTER ASSISTED ROBOTIC ENDOSCOPY, CLINICAL IMAGE-BASED PROCEDURES, AND SKIN IMAGE ANALYSIS, OR 2.0 2018
Keywords
DocType
Volume
Skin lesion analysis, Data augmentation, Deep learning
Journal
11041
ISSN
Citations 
PageRank 
0302-9743
10
0.55
References 
Authors
10
4
Name
Order
Citations
PageRank
Fábio Perez1121.96
Cristina Nader Vasconcelos27612.15
Sandra Avila3224.18
Eduardo Valle4252.48