JCC  Vol.3 No.11 , November 2015
Automatic Segmentation of Liver Tumor in CT Images with Deep Convolutional Neural Networks
Author(s) Wen Li1,2, Fucang Jia1*, Qingmao Hu1
Abstract

Liver tumors segmentation from computed tomography (CT) images is an essential task for diagnosis and treatments of liver cancer. However, it is difficult owing to the variability of appearances, fuzzy boundaries, heterogeneous densities, shapes and sizes of lesions. In this paper, an automatic method based on convolutional neural networks (CNNs) is presented to segment lesions from CT images. The CNNs is one of deep learning models with some convolutional filters which can learn hierarchical features from data. We compared the CNNs model to popular machine learning algorithms: AdaBoost, Random Forests (RF), and support vector machine (SVM). These classifiers were trained by handcrafted features containing mean, variance, and contextual features. Experimental evaluation was performed on 30 portal phase enhanced CT images using leave-one-out cross validation. The average Dice Similarity Coefficient (DSC), precision, and recall achieved of 80.06% ± 1.63%, 82.67% ± 1.43%, and 84.34% ± 1.61%, respectively. The results show that the CNNs method has better performance than other methods and is promising in liver tumor segmentation.


Cite this paper
Li, W. , Jia, F. , Hu, Q. (2015) Automatic Segmentation of Liver Tumor in CT Images with Deep Convolutional Neural Networks. Journal of Computer and Communications, 3, 146-151. doi: 10.4236/jcc.2015.311023.
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