适应性局部-全球协同感知网络用于水力混凝土表面缺陷检测
Zhangjun Peng1,2, Li Li2, Chuanhao Chang2
1School of Information and Control Engineering, Southwest University of Science and Technology, Mianyang 621010, China.
Sensors (Basel, Switzerland)
|February 13, 2026
概括
本研究介绍了适应性局部-全球协同感知网络 (ALGSP-Net),用于检测液压混凝土中的复杂表面缺陷. 通过适应性地捕捉不规则的几何形状和过噪声,ALGSP-Net提高了基础设施维护的准确性和稳定性.
科学领域:
- 土木工程 土木工程是指土木工程.
- 计算机视觉 计算机视觉
- 人工智能的人工智能
背景情况:
- 液压混凝土结构的表面缺陷在拓上是异质的,并被环境噪声所掩盖.
- 传统的检测模型因固定网状卷曲而扎于不规则的几何形状和背景工件.
研究的目的:
- 提出一个新的深度学习网络,ALGSP-Net,用于准确和可靠地检测液压混凝土的表面缺陷.
- 克服传统模型在捕捉异质缺陷形态和抑制噪声方面的局限性.
主要方法:
- 引入了缺陷感知感应场聚合和自适应动态感应场模块,以适应感应场以适应缺陷形状.
- 采用双流门融合策略,将全球背景与本地特征整合起来,减少语义模两可和背景干扰.
- 开发并使用自建的SDD-HCS数据集进行培训和评估.
主要成果:
- 在SDD-HCS数据集上,ALGSP-Net在6个缺陷类别中实现了77.46%的平均精度和72.78%的mAP50.
- 与最先进的基准标准相比,提出的方法在准确性和稳定性方面都表现出了卓越的性能.
- 观察到有效抑制背景噪声和精确检测复杂的缺陷几何形状,如细小的裂和交错的裂纹.
结论:
- 通过准确检测表面缺陷,ALGSP-Net为液压基础设施的智能维护提供了可靠和先进的解决方案.
- 适应性受体场和双流融合机制是关键的创新,在具有挑战性的条件下实现了卓越的性能.
- 该研究强调了定制深度学习架构的潜力,以应对结构性健康监测中的复杂挑战.
相关概念视频
Global Climate Change
29.1K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
29.1K
Hydraulic Jump: Problem Solving
564
To analyze a hydraulic jump in a rectangular channel with a flow speed of 6 meters per second, follow these steps:Calculate Effective Upstream Velocity:When the downstream gate closes, a hydraulic jump forms, traveling upstream at 2 meters per second. This wave speed combines with the initial channel flow velocity, creating an effective upstream velocity.Identify Flow Velocities Before and After the Hydraulic Jump:Upstream of the hydraulic jump, the effective flow velocity includes both the...
564
Subliminal Perception
812
Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
812
Factors Affecting Perception
2.8K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
An illustrative example of a perceptual set is the scenario where an airline pilot told...
2.8K
Hydraulic Jump
703
A hydraulic jump is a sudden rise in fluid depth in open channels, occurring when high-velocity (supercritical) flow transitions to low-velocity (subcritical) flow. This phenomenon requires an upstream Froude number greater than 1, as flows with Fr1<1 remain subcritical, making a hydraulic jump impossible due to the need for negative head loss, which violates thermodynamic principles.The characteristics of a hydraulic jump depend on the upstream Froude number and are classified as...
703
Perception
1.2K
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
1.2K


