相关实验视频
Updated: Jun 18, 2025

08:58
Artificial Intelligence Approaches to Assessing Primary Cilia
Published on: May 1, 2021
3.4K
三种人工智能算法的比较,用于自动测量角,使用特定于三个疾病组的教学数据.
Shuzo Kato1, Yoshihiro Maeda1, Takeo Nagura1
1Department of Orthopedic Surgery, Keio University School of Medicine, Shinanomachi 35, Shinjuku, Tokyo, 160-8582, Japan.
Scientific reports
|August 3, 2024
概括
人工智能 (AI) 算法被开发用于测量脊柱形的科布角,如青少年异常学脊椎病 (AIS) 和成人脊柱形 (ASD). 在AIS和ASD数据组合上训练人工智能产生了最准确的测量,改善了临床实践.
科学领域:
- 整形外科 整形外科 整形外科
- 医疗成像医学成像
- 人工智能的人工智能
背景情况:
- 脊柱形,如青少年异常脊柱病 (AIS) 和成人脊柱形 (ASD),是需要精确放射测量的普遍情况.
- 精确的科布角测量在冠状放射图上对于诊断和规划脊柱形的治疗至关重要.
研究的目的:
- 在AIS和ASD中开发和评估人工智能 (AI) 算法,用于精确的科布角测量.
- 为了比较训练在综合数据集和疾病特定数据集上的人工智能算法的准确性.
主要方法:
- 开发了三种人工智能算法:一种是使用AIS/ASD数据组合进行训练,一种仅使用AIS数据,一种仅使用ASD数据.
- 用于培训的数据集包括1612张全脊椎放射图 (1029张AIS,583张ASD).
- 在一个单独的285张X射线图测试组中,使用平均绝对误差 (MAE) 和类内相关系数 (ICC) 与专家手工测量对比,对准度进行了评估.
主要成果:
- 在AIS和ASD病例上训练的AI算法在与特定疾病训练的AI相比显示出更高的准确性.
- 经过AIS/ASD训练的AI在科布角测量中实现了最高的精度.
结论:
- 在涵盖多种相关疾病的多种数据集上训练人工智能模型可以成为提高性能的有效策略.
- 开发的AI算法显示了减少测量误差和提高临床实践质量的潜力,用于管理脊柱形.
相关概念视频
Adjusting a Traverse
53
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
53
Design Example: Traverse Angle Computations
71
Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
71

