arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2003.10111cs.CV
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基于光照的变换改进皮肤镜图像中的皮肤病变分割

Illumination-based Transformations Improve Skin Lesion Segmentation in Dermoscopic Images

Simon Fraser University(西蒙弗雷泽大学)

Kumar Abhishek, Ghassan Hamarneh, Mark S. Drew

摘要:

皮肤病变的语义分割是皮肤镜图像计算机辅助诊断中一项重要而常见的初始任务。尽管基于深度学习的方法已经大大提高了分割准确性,但通过解决主要挑战(例如病变形状、大小、颜色和对比度水平的变化),仍有改进的空间。在这项工作中,我们提出了第一个深度语义分割框架皮肤镜图像,它结合了,随着原始RGB图像,信息提取使用的物理皮肤照明和成像。特别是,我们将信息从特定的色带,照明不变的灰度图像,和阴影衰减的图像。我们在三个数据集上评估了我们的方法:ISBI ISIC 2017皮肤病变分割挑战数据集,DermoFit图像库和PH2数据集,并观察到平均Jaccard指数分别比仅用RGB图像训练的基线模型提高了12.02%,4.30%和8.86%。

英文摘要:

The semantic segmentation of skin lesions is an important and common initial task in the computer aided diagnosis of dermoscopic images. Although deep learning-based approaches have considerably improved the segmentation accuracy, there is still room for improvement by addressing the major challenges, such as variations in lesion shape, size, color and varying levels of contrast. In this work, we propose the first deep semantic segmentation framework for dermoscopic images which incorporates, along with the original RGB images, information extracted using the physics of skin illumination and imaging. In particular, we incorporate information from specific color bands, illumination invariant grayscale images, and shading-attenuated images. We evaluate our method on three datasets: the ISBI ISIC 2017 Skin Lesion Segmentation Challenge dataset, the DermoFit Image Library, and the PH2 dataset and observe improvements of 12.02%, 4.30%, and 8.86% respectively in the mean Jaccard index over a baseline model trained only with RGB images.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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