Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Ningqun Guo"'
Publikováno v:
Results in Engineering, Vol 19, Iss , Pp 101267- (2023)
Due to the increasing demand on road maintenance around the whole world, advanced techniques have been developed to automatically detect and segment pavement cracks. However, most of methods suffer from background noise or fail in fine crack segmenta
Externí odkaz:
https://doaj.org/article/61b68e7c302344ab99d44ccdcdac22ce
Publikováno v:
Photonic Sensors, Vol 12, Iss 4, Pp 1-12 (2022)
Abstract The detection and reconstruction of transparent objects have remained challenging due to the absence of their features and variations in the local features with variations in illumination. In this paper, both compressive sensing (CS) and sup
Externí odkaz:
https://doaj.org/article/93cf161c056541cba3a748e683529333
Publikováno v:
Photonic Sensors, Vol 9, Iss 2, Pp 115-125 (2018)
Abstract Compressed sensing leverages the sparsity of signals to reduce the amount of measurements required for its reconstruction. The Shack-Hartmann wavefront sensor meanwhile is a flexible sensor where its sensitivity and dynamic range can be adju
Externí odkaz:
https://doaj.org/article/df0bfa050e2c40b4aebe1dba518aec79
Publikováno v:
Sensors, Vol 20, Iss 15, p 4211 (2020)
Transparent object detection and reconstruction are significant, due to their practical applications. The appearance and characteristics of light in these objects make reconstruction methods tailored for Lambertian surfaces fail disgracefully. In thi
Externí odkaz:
https://doaj.org/article/752ad21b7c1943e18b2a396cd1027bb5
Publikováno v:
Sensors, Vol 17, Iss 9, p 2031 (2017)
Accuracy is an important measure of system performance and remains a challenge in 3D range gated reconstruction despite the advancement in laser and sensor technology. The weighted average model that is commonly used for range estimation is heavily i
Externí odkaz:
https://doaj.org/article/9127dc43a4a54ab98c3820d21445c0d2
Publikováno v:
Sensors (Basel, Switzerland)
Sensors
Volume 20
Issue 15
Sensors, Vol 20, Iss 4211, p 4211 (2020)
Sensors
Volume 20
Issue 15
Sensors, Vol 20, Iss 4211, p 4211 (2020)
Transparent object detection and reconstruction are significant, due to their practical applications. The appearance and characteristics of light in these objects make reconstruction methods tailored for Lambertian surfaces fail disgracefully. In thi
Publikováno v:
Photonic Sensors, Vol 9, Iss 2, Pp 115-125 (2018)
Compressed sensing leverages the sparsity of signals to reduce the amount of measurements required for its reconstruction. The Shack-Hartmann wavefront sensor meanwhile is a flexible sensor where its sensitivity and dynamic range can be adjusted base
Publikováno v:
Sensors and Actuators A: Physical. 252:16-25
In this paper, we present a novel low-power UV sensor instrumentation based on ZnO thin-film and langasite crystal microbalance (LCM) composite resonator. The design of this sensor utilizes the exceptional transient response characteristics of thickn
Computational model considerations of defect detection in pipes with bends using focused guided wave
Publikováno v:
Journal of the Chinese Institute of Engineers. 39:785-793
This paper investigates the propagation of guided ultrasonic wave in pipes with bends using finite element simulation. The defect detectability in pipes with bends, using time delay focusing and synthetic focusing by common source method (CSM) are st
Publikováno v:
Materials Research Bulletin. 77:147-154
Well-aligned (c-axis oriented) ZnO nanowire arrays were successfully synthesized on Si (1 0 0) substrates through an optimized self-seeding thermal evaporation method. An open-ended chemical vapor deposition (CVD) setup was used in the experiment, wi