User profiles for Junfei Dai

Junfei Dai

Zhejiang University
Verified email at zju.edu.cn
Cited by 748

Some recent advances on superfast 3D shape measurement with digital binary defocusing techniques

B Li, Y Wang, J Dai, W Lohry, S Zhang - Optics and Lasers in Engineering, 2014 - Elsevier
The digital binary phase-shifting technique has been demonstrated for its merits over the
conventional sinusoidal phase-shifting method in terms of measurement speed and simplicity. …

Phase error compensation for three-dimensional shape measurement with projector defocusing

Y Xu, L Ekstrand, J Dai, S Zhang - Applied Optics, 2011 - opg.optica.org
This paper analyzes the phase error for a three-dimensional (3D) shape measurement
system that utilizes our recently proposed projector defocusing technique. This technique …

Review on outbreak dynamics, the endemic serotypes, and diversified topotypic profiles of foot and mouth disease virus isolates in Ethiopia from 2008 to 2018

AK Wubshet, J Dai, Q Li, J Zhang - Viruses, 2019 - mdpi.com
Foot and mouth disease (FMD) endemicity in Ethiopia’s livestock remains an ongoing cause
for economic concern, with new topotypes still arising even in previously unaffected areas. …

Absolute three-dimensional shape measurement with a known object

J Dai, Y An, S Zhang - Optics Express, 2017 - opg.optica.org
This paper presents a novel method for absolute three-dimensional (3D) shape measurement
that does not require conventional temporal phase unwrapping. Our proposed method …

Phase-optimized dithering technique for high-quality 3D shape measurement

J Dai, S Zhang - Optics and Lasers in Engineering, 2013 - Elsevier
Our recent study showed that the Bayer-dithering technique could substantially improve 3D
measurement quality for the binary defocusing method. Yet, the dithering technique was …

Development of a potential penside colorimetric LAMP assay using neutral red for detection of African swine fever virus

Y Wang, J Dai, Y Liu, J Yang, Q Hou, Y Ou… - Frontiers in …, 2021 - frontiersin.org
African swine fever (ASF) has caused huge economic losses to the swine industry worldwide.
Since there is no commercial ASF vaccine available, an early diagnosis is extremely …

High-quality fringe pattern generation using binary pattern optimization through symmetry and periodicity

J Dai, B Li, S Zhang - Optics and Lasers in Engineering, 2014 - Elsevier
This paper presents a novel method to construct binary patterns for high-quality 3D shape
measurement. The algorithm generates small patches using symmetry and periodicity, …

Intensity-optimized dithering technique for three-dimensional shape measurement with projector defocusing

J Dai, B Li, S Zhang - Optics and Lasers in Engineering, 2014 - Elsevier
Our previously proposed phase-based optimization method [1] has proven successful in
improving the measurement quality when a dithering technique is used. This paper presents an …

Geometric accuracy analysis for discrete surface approximation

J Dai, W Luo, M Jin, W Zeng, Y He, ST Yau… - … Aided Geometric Design, 2007 - Elsevier
In geometric modeling and processing, computer graphics and computer vision, smooth
surfaces are approximated by discrete triangular meshes reconstructed from sample points on …

The mRNA Vaccine Expressing Single and Fused Structural Proteins of Porcine Reproductive and Respiratory Syndrome Induces Strong Cellular and Humoral …

…, AK Wubshet, J Zhang, S Hou, K Yao, Q Zhao, J Dai… - Viruses, 2024 - mdpi.com
PRRS is a viral disease that profoundly impacts the global swine industry, causing significant
economic losses. The development of a novel and effective vaccine is crucial to halt the …