Results 21 to 30 of about 104,056 (291)

EPIPOLAR LINE-BASED LATERAL VIBRATION MEASUREMENT BY USING TWO CAMERAS [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Vibration measurement techniques can be categorized into contact-type and non-contact-type techniques. These types of techniques can add mass-loading to a lightweight structure resulting in the negative performance of a structure, because sensors, high ...
A. Javed, J. Park, H. Lee, B. Kim, Y. Han   +4 more
doaj   +1 more source

Depth-aware unpaired image-to-image translation for autonomous driving test scenario generation using a dual-branch GAN

Frontiers in Neurorobotics
Reliable visual perception is essential for autonomous driving test scenario generation, yet adverse weather and lighting variations pose significant challenges to simulation robustness and generalization.
Donghao Shi, Donghao Shi, Donghao Shi, Chenxin Zhao, Chenxin Zhao, Chenxin Zhao, Cunbin Zhao, Cunbin Zhao, Cunbin Zhao, Zhou Fang, Zhou Fang, Zhou Fang, Chonghao Yu, Chonghao Yu, Chonghao Yu, Jian Li, Jian Li, Jian Li, Minjie Feng, Minjie Feng, Minjie Feng   +20 more
doaj   +1 more source

Context-Aware Enhanced Feature Refinement for small object detection with Deformable DETR

Frontiers in Neurorobotics
Small object detection is a critical task in applications like autonomous driving and ship black smoke detection. While Deformable DETR has advanced small object detection, it faces limitations due to its reliance on CNNs for feature extraction, which ...
Donghao Shi, Donghao Shi, Donghao Shi, Cunbin Zhao, Cunbin Zhao, Cunbin Zhao, Jianwen Shao, Jianwen Shao, Jianwen Shao, Minjie Feng, Minjie Feng, Minjie Feng, Lei Luo, Lei Luo, Lei Luo, Bing Ouyang, Bing Ouyang, Bing Ouyang, Jiamin Huang, Jiamin Huang, Jiamin Huang   +20 more
doaj   +1 more source

Knowledge Discovery from Vibration Measurements [PDF]

The Scientific World Journal, 2014
The framework as well as the particular algorithms of pattern recognition process is widely adopted in structural health monitoring (SHM). However, as a part of the overall process of knowledge discovery from data bases (KDD), the results of pattern recognition are only changes and patterns of changes of data features.
Jun Deng, Jian Li, Daoyao Wang
openaire   +3 more sources

Vibration displacement measurement technology for cylindrical structures using camera images

Nuclear Engineering and Technology, 2015
Acceleration sensors are usually used to measure the vibration of a structure. Although this is the most accurate method, it cannot be used remotely because these are contact-type sensors.
Ki-Sung Son, Hyeong-Seop Jeon, Jin-Ho Park, Jong Won Park   +3 more
doaj   +1 more source

A Study of a CCD Camera for Vibration Measurement

MATEC Web of Conferences, 2018
Vibration may occur in rotating equipment, for example on the transmission shaft of the gear. If the motor rotation is high enough, the load and torque could also be large enough.
Amin Zulkifli, Ikhsan Muhammad
doaj   +1 more source

Sparse Representation Based Frequency Detection and Uncertainty Reduction in Blade Tip Timing Measurement for Multi-Mode Blade Vibration Monitoring

Sensors, 2017
The accurate monitoring of blade vibration under operating conditions is essential in turbo-machinery testing. Blade tip timing (BTT) is a promising non-contact technique for the measurement of blade vibrations.
Minghao Pan, Yongmin Yang, Fengjiao Guan, Haifeng Hu, Hailong Xu   +4 more
doaj   +1 more source

Close-to-process strain measurement in ultrasonic vibration-assisted turning [PDF]

Journal of Sensors and Sensor Systems, 2019
The application of ultrasonic vibration assistance in machining offers many benefits over conventional machining. In some machining processes, like the generation of geometrically defined microstructures by cutting, the interaction of the system ...
S. Kimme, N. Hafez, C. Titsch, J. M. Werner, A. Nestler, W.-G. Drossel, W.-G. Drossel   +6 more
doaj   +1 more source

Study on the Vibration Characteristics of Rape Plants Based on High-Speed Photography and Image Recognition

Agriculture, 2022
The transmission characteristics of the vibration excitation of rape plants are of great significance to the study of the harvesting loss and threshing mechanism of rape during harvesting.
Guangchao Zhan, Lina Ma, Wangyuan Zong, Wei Liu, Dinglin Deng, Guodang Lian   +5 more
doaj   +1 more source

Three-Dimensional Displacement Measurement of Micro-Milling Tool Based on Fiber Array Encoding

Micromachines, 2023
The vibration of the micro-milling tool presents a significant chaotic vibration phenomenon, which has a great influence on the tool life and part machining precision, and is one of the basic problems restricting the improvement of machining efficiency ...
Binghui Jia, Min Zhang
doaj   +1 more source