基于特征融合和残余网络的人类运动识别
Xiaoyu Luo1,2, Qiusheng Li3,4
1Research Center of Intelligent Control Engineering Technology, Gannan Normal University, Ganzhou, 341000, Jiangxi, China.
Scientific reports
|November 24, 2024
概括
这项研究通过将频率调制连续波 (FMCW) 雷达与残余网络 (ResNet) 结合起来,提高了人类运动检测. 新的双通道融合方法提高了人类运动分类的识别精度.
科学领域:
- 信号处理 信号处理
- 机器学习 机器学习
- 人与计算机的交互
背景情况:
- 在人类运动检测中单一特征的依赖导致了低于最佳的识别准确性.
- 现有的方法经常在精确的特征提取和分类方面扎.
- 需要先进的技术来整合各种数据流,以便进行强大的运动分析.
研究的目的:
- 开发一种新的人类运动检测系统,以提高识别准确度.
- 将频率调制连续波 (FMCW) 雷达数据与精细的剩余网络 (ResNet) 架构集成.
- 探索双通道融合方法在运动特征提取中的有效性.
主要方法:
- 使用FMCW雷达捕获人类运动回声信号.
- 预处理的信号和应用的二维里埃转换生成范围时间地图 (RTM) 和多普勒时间地图 (DTM).
- 通过将ResNet18升级为Inception V1模块,并集成卷积块注意模块 (CBAM),设计了一个双通道融合残余网络.
主要成果:
- 拟议的双通道融合网络有效地识别和分类人类运动.
- 与单个特征域识别方法相比,识别准确度提高了1-4%.
- 通过经验验证证明了强大的识别能力.
结论:
- 集成FMCW雷达和双通道融合ResNet显著提高了人类运动检测的准确性.
- 通过CBAM增强的ResNet架构提供了卓越的特征提取和分类性能.
- 这种方法为准确可靠的人类运动识别提供了一个有希望的解决方案.
相关概念视频
01:21Association Areas of the Cortex
5.1K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
5.1K
01:24Absolute Motion Analysis- General Plane Motion
215
Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
215
01:22Force Classification
1.1K
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,...
1.1K
01:25Relative Motion Analysis using Rotating Axes
448
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
448
01:09Functional Classification of Joints
3.8K
Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
3.8K
01:24Sequence Networks of Rotating Machines
97
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
97