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相关概念视频

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Ultrasonography01:17

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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相关实验视频

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MCPD-YOLOv3:一个新的轻量级检测模型用于外科手术仪器

Yuqin Li1,2, Chuqi Li1, Ke Zhang1,2

  • 1College of Computer Science and Technology, Changchun University of Science and Technology, Changchun, China.

The international journal of medical robotics + computer assisted surgery : MRCAS
|August 23, 2025
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概括

这项研究引入了MCPD-YOLOv3以实现更快,更准确的腹腔镜手术仪器检测. 该模型具有轻量级设计,适合实时计算机辅助手术.

关键词:
其他类型腹腔镜图像轻量级的模型手术仪器检测

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科学领域:

  • 计算机视觉
  • 医学成像
  • 手术机器人

背景情况:

  • 精确检测腹腔镜手术仪器对于计算机辅助的微创手术至关重要.
  • 现有的方法往往难以达到最佳性能和缓慢的检测速度.

研究的目的:

  • 开发一个高效和有效的腹腔镜手术仪器检测框架.
  • 在实时手术应用中平衡检测准确性和速度.

主要方法:

  • 拟议的MCPD-YOLOv3框架具有并行特征地图融合.
  • 采用轻量级策略进行模型优化.
  • 使用DIOU (Distance Intersection over Union) 来提高召回性能.

主要成果:

  • 在ATLAS Dione数据集上达到99.47%的mAP,在m2cai16工具位置数据集上达到97.65%的mAP.
  • 在 49.81 FPS 运行.
  • 具有紧的模型尺寸 (12.4M) 和低的FLOP (7.44G).

结论:

  • MCPD-YOLOv3显示出优异的检测性能和快速响应.
  • 该模型的效率使其成为在苛刻环境中实时手术仪器检测的理想选择.