Dr. Changan Hu Profile

Dr. Changan Hu

at Institute of Optics and Electronics

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 15 November 2023 Paper

Application and research of indoor large size measuring standard device

Wanze Li, Rui Zhang, Chang'an Hu, Dekun Peng

Proceedings Volume 12815, 128150U (2023) https://doi.org/10.1117/12.3010669

KEYWORDS: Interferometers, Measurement devices, Standards development, Temperature metrology, Equipment, Distance measurement, Metrology, Data acquisition, Reflectors, Precision measurement

Read Abstract +

Proceedings Article | 6 March 2023 Paper

Study on high fidelity method of multi-focus microlens array based on digital microlens device

Hongmei Ouyang, Zhuang Yang, Jianghui Liu, Chang'an Hu

Proceedings Volume 12553, 125531B (2023) https://doi.org/10.1117/12.2668268

KEYWORDS: Microlens, Microlens array, Digital micromirror devices, Fabrication, Design and modelling, 3D mask effects, Optical spheres, Technology, Semiconducting wafers, Photoresist materials

Read Abstract +

Proceedings Article | 10 November 2022 Paper

Research on the workpiece sorting system based on visual recognition

Fei Lv, Zhuang Yang, Hongmei Ouyang, Chang’an Hu

Proceedings Volume 12331, 1233143 (2022) https://doi.org/10.1117/12.2652538

KEYWORDS: Visualization, Imaging systems, Cameras, Sensors, Machine vision, Image segmentation, Edge detection, Detection and tracking algorithms, Visual analytics, Image processing

Read Abstract +

Proceedings Article | 10 November 2022 Paper

Research on the verification method of ultrasonic rangefinder in the field of mechanical manufacturing

Chang'an Hu, Jiangang Li, Tiankun Fu, Fei Lv

Proceedings Volume 12331, 1233142 (2022) https://doi.org/10.1117/12.2652305

KEYWORDS: Ultrasonics, Distance measurement, Ranging, Manufacturing, Temperature metrology, Calibration, Mechanical engineering, Acoustics, Time metrology

Read Abstract +

Proceedings Article | 31 October 2022 Paper

Research on the relationship between testing system parameters and the signal strength of defect quantitative detection

Wenbo Du, Gang Li, Chang’an Hu

Proceedings Volume 12457, 124570X (2022) https://doi.org/10.1117/12.2660648

KEYWORDS: Signal detection, Defect detection, Magnetism, Metals, Inductance, Skin, Signal analyzers, Resistance, Nondestructive evaluation, Neural networks

Read Abstract +

Proceedings Article | 31 October 2022 Paper

Analysis and research of laser measuring system in indoor large length standard device

Chang'an Hu, Song Hu, Haifeng Sun, Jiangang Li

Proceedings Volume 12457, 1245702 (2022) https://doi.org/10.1117/12.2660333

KEYWORDS: Interferometers, Laser systems engineering, Analytical research, Composites, Spectroscopy, Mirrors, Standards development, Metrology, Magnetism, Data acquisition

Read Abstract +

Proceedings Article | 2 July 2021 Paper

The application of geometric measurement equipment in industrial engineering measurement

Chang'an Hu, Song Hu, Haifeng Sun, Tao Zhao

Proceedings Volume 11887, 118871G (2021) https://doi.org/10.1117/12.2603100

Read Abstract +

Showing 5 of 7 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years