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http://hdl.handle.net/10397/105535
Title: | SPST-CNN : spatial pyramid based searching and tagging of liver’s intraoperative live views via CNN for minimal invasive surgery | Authors: | Nazir, A Cheema, MN Sheng, B Li, P Li, H Yang, P Jung, Y Qin, J Feng, DD |
Issue Date: | Jun-2020 | Source: | Journal of biomedical informatics, June 2020, v.106, 103430 | Abstract: | Laparoscopic liver surgery is challenging to perform because of compromised ability of the surgeon to localize subsurface anatomy due to minimal invasive visibility. While image guidance has the potential to address this barrier, intraoperative factors, such as insufflations and variable degrees of organ mobilization from supporting ligaments, may generate substantial deformation. The navigation ability in terms of searching and tagging within liver views has not been characterized, and current object detection methods do not account for the mechanics of how these features could be applied to the liver images. In this research, we have proposed spatial pyramid based searching and tagging of liver’s intraoperative views using convolution neural network (SPST-CNN). By exploiting a hybrid combination of an image pyramid at input and spatial pyramid pooling layer at deeper stages of SPST-CNN, we reveal the gains of full-image representations for searching and tagging variable scaled liver live views. SPST-CNN provides pinpoint searching and tagging of intraoperative liver views to obtain up-to-date information about the location and shape of the area of interest. Downsampling input using image pyramid enables SPST-CNN framework to deploy input images with a diversity of resolutions for achieving scale-invariance feature. We have compared the proposed approach to the four recent state-of-the-art approaches and our method achieved better mAP up to 85.9%. | Keywords: | Convolution neural network Hybrid combination Laparoscopy Liver's intraoperative views Minimal invasive surgery Navigation systems |
Publisher: | Academic Press | Journal: | Journal of biomedical informatics | ISSN: | 1532-0464 | EISSN: | 1532-0480 | DOI: | 10.1016/j.jbi.2020.103430 | Rights: | © 2020 Elsevier Inc. All rights reserved. ©2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ The following publication Nazir, A., Cheema, M. N., Sheng, B., Li, P., Li, H., Yang, P., ... & Feng, D. D. (2020). SPST-CNN: Spatial pyramid based searching and tagging of liver’s intraoperative live views via CNN for minimal invasive surgery. Journal of biomedical informatics, 106, 103430 is available at https://doi.org/10.1016/j.jbi.2020.103430. |
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Li_Spst-Cnn_Spatial_Pyramid.pdf | Pre-Published version | 4.41 MB | Adobe PDF | View/Open |
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