X-Corner Point Localization of Surgical Tools in Surgical Navigation System

Heqiang Yang, Long Shao*, Hong Song, Zhao Zheng, Deqiang Xiao, Jian Yang

*此作品的通讯作者

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

In visible light surgical navigation systems, precise localization of the X-corner point of surgical tools is critical. This paper presents a novel X-corner point extraction algorithm that overcomes challenges posed by defocusing blur, perspective distortions due to rotation angles, and occlusion by stains. The proposed method tackles situations where candidate points deviate from the precise corner positions by utilizing a simplified hyperbolic tangent function to readjust these points to their accurate locations. This adjustment recalculates the positional distance among four grayscale mutations, extracting the X-corner points. Additionally, an affine-transform-based hyperbolic tangent function model is introduced for fitting non-central areas of the X-corner neighborhood, enabling sub-pixel level coordinate refinement. Experimental validation on synthetic and natural images demonstrates the robustness and high accuracy of the proposed X-corner point extraction and sub-pixel refinement algorithm. We computed the fiducial localization error, fiducial registration error, and target registration error. Experimental results reveal that the proposed X-corner localization algorithm achieves a fiducial localization error of 0.09mm, a fiducial registration error of 0.11mm, and a target registration error of 0.74mm, meeting the localization requirements for surgical navigation.

源语言英语
主期刊名2023 3rd International Conference on Electrical Engineering and Control Science, IC2ECS 2023
出版商Institute of Electrical and Electronics Engineers Inc.
1639-1646
页数8
ISBN(电子版)9798350382426
DOI
出版状态已出版 - 2023
活动3rd International Conference on Electrical Engineering and Control Science, IC2ECS 2023 - Hybrid, Hangzhou, 中国
期限: 29 12月 202331 12月 2023

出版系列

姓名2023 3rd International Conference on Electrical Engineering and Control Science, IC2ECS 2023

会议

会议3rd International Conference on Electrical Engineering and Control Science, IC2ECS 2023
国家/地区中国
Hybrid, Hangzhou
时期29/12/2331/12/23

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引用此

Yang, H., Shao, L., Song, H., Zheng, Z., Xiao, D., & Yang, J. (2023). X-Corner Point Localization of Surgical Tools in Surgical Navigation System. 在 2023 3rd International Conference on Electrical Engineering and Control Science, IC2ECS 2023 (页码 1639-1646). (2023 3rd International Conference on Electrical Engineering and Control Science, IC2ECS 2023). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IC2ECS60824.2023.10493350