开发和验证基于深度学习的自动分类算法,用于使用多模式级联变压器进行中叶缩评分
1Department of Radiology, Dongguk University Ilsan Hospital, Goyang, Republic of Korea.
Clinical radiology
|July 17, 2025
概括
深度学习和机器学习模型准确地对认知障碍患者的中叶缩 (MTA) 评分进行分类,有助于诊断和评估.
科学领域:
- 神经学 神经学
- 人工智能的人工智能
- 医疗成像医学成像
背景情况:
- 中间叶缩 (MTA) 是神经退行性疾病的关键指标.
- 准确的MTA评分对于诊断认知障碍至关重要.
- 手动MTA评估可能是主观和耗时的.
研究的目的:
- 开发和验证用于自动化MTA分数分类的深度学习 (DL) 和机器学习 (ML) 算法.
- 客观有效地对认知障碍患者的MTA进行分类.
主要方法:
- 对认知障碍患者数据的回顾性分析 (2017年3月 - 2021年6月).
- 开发DL和ML模型用于MTA分类,分类成绩为 (0/1), (2),和 (3/4).
- 用内部和外部测试数据集验证的左侧和右侧MTA分数的单独分类.
主要成果:
- 该研究包括1694名接受培训的患者和297名接受内部测试的患者,以及400名接受外部测试的患者.
- 内部测试显示准确度为0.82 (左) 和0.87 (右) 的MTA分类.
- 外部测试实现了0.82 (左) 和0.85 (右) 的MTA分类精度,DL和ML模型的性能相似.
结论:
- 基于DL和ML的算法在分类MTA得分方面都表现出高准确度.
- 自动化MTA分类显示了改善认知障碍诊断过程的希望.
相关概念视频
Force Classification
Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in the physical world. Forces can be classified based on their origin, type, and direction of action.
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
Classification of Systems-I
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
Classification of Systems-II
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
Multi-input and Multi-variable systems
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
In the absence of...

