基于3D卷积神经网络的介入手术动作识别
首发时间:2022-03-16
摘要:血管类疾病是一种具有极高致死率的疾病,严重威胁患者的生命健康。介入治疗是一种微创性高科技治疗技术,具有创伤小、术后恢复快、适应症多、并发症少等特点。介入医生的动作识别是手术阶段分析、术中风险预警与手术操作评判系统的基础。目前在手术动作识别方面,大多数研究都需要医生佩戴传感器。本文使用计算机视觉技术,无需佩戴任何传感器,通过卷积神经网络对输入视频进行分析处理来实现介入手术动作的识别。本文提出了一种双级网络识别架构以提高手术动作识别的鲁棒性及效率,轻量级的3D CNN用于手术动作检测,深度3D CNN用于手术动作分类。当检测器网络检测到动作时,分类器网络才开始工作,降低了系统的功耗。检测网络和分类网络均有良好的性能,适合临床部署。
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Action Recognition of Interventional Surgery Based on 3D Convolutional Neural Network
Abstract:Vascular disease is a disease with a very high fatality rate, which seriously threatens the life and health of patients. Interventional therapy is a minimally invasive, high-tech treatment technique with the characteristics of less trauma, quick postoperative recovery, more indications, and fewer complications. The interventional doctor\'s action recognition is the basis of the operation stage analysis, intraoperative risk warning, and operation evaluation system. Most of the current research on surgical motion recognition requires doctors to wear sensors. In this paper, computer vision technology is used without wearing any sensors, and the input video is analyzed and processed through a convolutional neural network to realize the recognition of interventional surgical actions. This paper proposes a two-stage network recognition architecture to improve the robustness and efficiency of surgical action recognition. A lightweight 3D CNN is used for surgical action detection and a deep 3D CNN is used for surgical action classification. When the detector network detects an action, the classifier network starts to work, reducing the power consumption of the system. Both the detection network and the classification network have good performance and are suitable for clinical deployment.
Keywords: Interventional surgery Action recognition Computer vision 3D convolutional neural network
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