Texture Feature Extraction and Analysis for Polyp Differentiation via Computed Tomography Colonography

IEEE Transactions on Medical Imaging
Yifan HuChris E Lascarides

Abstract

Image textures in computed tomography colonography (CTC) have great potential for differentiating non-neoplastic from neoplastic polyps and thus can advance the current CTC detection-only paradigm to a new level with diagnostic capability. However, image textures are frequently compromised, particularly in low-dose CT imaging. Furthermore, texture feature extraction may vary, depending on the polyp spatial orientation variation, resulting in variable results. To address these issues, this study proposes an adaptive approach to extract and analyze the texture features for polyp differentiation. Firstly, derivative (e.g. gradient and curvature) operations are performed on the CT intensity image to amplify the textures with adequate noise control. Then Haralick co-occurrence matrix (CM) is used to calculate texture measures along each of the 13 directions (defined by the first and second order image voxel neighbors) through the polyp volume in the intensity, gradient and curvature images. Instead of taking the mean and range of each CM measure over the 13 directions as the so-called Haralick texture features, Karhunen-Loeve transform is performed to map the 13 directions into an orthogonal coordinate system so that the resulted te...Continue Reading

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Citations

Jan 23, 2017·International Journal of Computer Assisted Radiology and Surgery·Xiaopan XuHongbing Lu
Jul 12, 2019·Frontiers in Human Neuroscience·Stephen WaiteSusana Martinez-Conde
Apr 1, 2020·Visual Computing for Industry, Biomedicine and Art·Yongfeng GaoZhengrong Liang
Apr 3, 2020·Visual Computing for Industry, Biomedicine and Art·Weiguo CaoZhengrong Liang
Jul 31, 2018·Frontiers in Plant Science·Chengquan ZhouGuijun Yang
Nov 20, 2018·Journal of X-ray Science and Technology·Jiaxing TanLihong Li
Sep 13, 2017·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Meghan G LubnerPerry J Pickhardt
Feb 12, 2021·Scientific Reports·Weiguo CaoPerry J Pickhardt
Apr 14, 2021·Computerized Medical Imaging and Graphics : the Official Journal of the Computerized Medical Imaging Society·K HammoudaA El-Baz
Jul 24, 2021·Japanese Journal of Radiology·Riccardo VallettaFederica Ferro

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