Computer-aided diagnosis (CAD) technology can improve the efficiency of a physician diagnosing lung lesions, especially sign recognition, which is important for identifying benign and malignant nodules. This paper proposes a new sign recognition method based on image retrieval for lung nodules. First, we construct a deep learning framework to extract semantic features that can effectively represent sign information. Then, we translate the high-dimensional image features into compact binary codes with principal component analysis (PCA) and supervised hashing. Next, we retrieve similar lung nodule images with the presented adaptive-weighted similarity calculation method. Finally, we recognize nodule signs from the retrieval results, which can also provide decision support for diagnosis of lung lesions. The proposed method is validated on the publicly available databases Lung Image Database Consortium and Image Database Resource Initiative (LIDC-IDRI) and Lung Computed Tomography (CT) Imaging Signs (LISS). The experimental results demonstrate our method substantially improves retrieval performance and can achieve 87.29%. The entire recognition rate on the basis of the retrieval results can achieve 93.52%. Moreover, our method is also effective for real-life diagnosis data.
This work was supported in part by the National Natural Science Foundation of China under Grant No. 61373100, the Virtual Reality Technology and Systems National Key Laboratory of Open Foundation of China under Grant No. BUAA-VR-16KF-13 and the Shanxi Scholarship Council of China under Grant No. 2016-038.
About author: Juan-Juan Zhao is a professor in the College of Computer Science and Technology at Taiyuan University of Technology (TYUT), Taiyuan. She received her Ph.D. degree in computer application technology from TYUT, Taiyuan, in 2010. Her current research topics include medical image processing and the Internet of Things.
Juan-Juan Zhao, Ling Pan, Peng-Fei Zhao, Xiao-Xian Tang.基于语义特征和有监督哈希的图像检索的肺结节医学征象识别[J] Journal of Computer Science and Technology , 2017,V32(3): 457-469
Juan-Juan Zhao, Ling Pan, Peng-Fei Zhao, Xiao-Xian Tang.Medical Sign Recognition of Lung Nodules based on Image Retrieval with Semantic Feature and Supervised Hashing[J] Journal of Computer Science and Technology, 2017,V32(3): 457-469
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