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  • Open Access

    ARTICLE

    A Method for Ultrasound Servo Tracking of Puncture Needle

    Shitong Ye1, Bo Yang2,*, Hao Quan3, Shan Liu4, Minyi Tang5, Jiawei Tian6,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.144, No.2, pp. 2287-2306, 2025, DOI:10.32604/cmes.2025.066195 - 31 August 2025

    Abstract Computer-aided surgical navigation technology helps and guides doctors to complete the operation smoothly, which simulates the whole surgical environment with computer technology, and then visualizes the whole operation link in three dimensions. At present, common image-guided surgical techniques such as computed tomography (CT) and X-ray imaging (X-ray) will cause radiation damage to the human body during the imaging process. To address this, we propose a novel Extended Kalman filter-based model that tracks the puncture needle-point using an ultrasound probe. To address the limitations of Kalman filtering methods based on position and velocity, our method of More >

  • Open Access

    ARTICLE

    Analysis and Design of Surgical Instrument Localization Algorithm

    Siyu Lu1, Jun Yang1, Bo Yang1, Zhengtong Yin2, Mingzhe Liu3,*, Lirong Yin4, Wenfeng Zheng1,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.137, No.1, pp. 669-685, 2023, DOI:10.32604/cmes.2023.027417 - 23 April 2023

    Abstract With the help of surgical navigation system, doctors can operate on patients more intuitively and accurately. The positioning accuracy and real-time performance of surgical instruments are very important to the whole system. In this paper, we analyze and design the detection algorithm of surgical instrument location mark, and estimate the posture of surgical instrument. In addition, we optimized the pose by remapping. Finally, the algorithm of location mark detection proposed in this paper and the posture analysis data of surgical instruments are verified and analyzed through experiments. The final result shows a high accuracy. More >

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