Study on aircraft speed measurement method based on computer vision of high-speed camera

Yifei Zhang; Feng Can; Yayan Liu; Ruijie Li; Aiqiang Lei

doi:10.1117/12.2563860

17 April 2020 Study on aircraft speed measurement method based on computer vision of high-speed camera

Yifei Zhang, Feng Can, Yayan Liu, Ruijie Li, Aiqiang Lei

Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114552H (2020) https://doi.org/10.1117/12.2563860
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China

Abstract

In the field of civil aircraft flight test, the speed of aircraft is one of the most important parameters. Generally, there are different methods for the measurement of aircraft speed, including differential GPS measurement, photoelectric theodolite measurement, etc. However, each of them has its own limitations. Commonly, multiple speed measurement methods are used simultaneously to verify each other in important flight test mission. In order to enrich the aircraft speed measurement methods, this paper proposes an aircraft speed measurement method based on computer vision of high-speed camera. The method utilizes the similarity transform model in computer vision theory, and can measures the speed of the aircraft in the world coordinate system. Then, an analysis method of theoretical speed measurement accuracy based on the speed measurement method is proposed by the paper. Finally, in the actual flight test, the method is used to measure the heading speed of the aircraft. Comparing the measurement results of the differential GPS system and the measurement method proposed in this paper, which verifies the accuracy and of the method. The method can be applied not only in the field of flight test but also in a wider range of engineering applications.

Citation Download Citation

Yifei Zhang, Feng Can, Yayan Liu, Ruijie Li, and Aiqiang Lei "Study on aircraft speed measurement method based on computer vision of high-speed camera", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114552H (17 April 2020); https://doi.org/10.1117/12.2563860

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KEYWORDS

High speed cameras

Computer vision technology

Global Positioning System

Machine vision

Error analysis

Cameras

Distance measurement

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