Precise speed measurement using an interlaced scan image |
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| Authors: | Zhao Peng |
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| Institution: | 1. Information and Computer Engineering Institute, Northeast Forestry University, Harbin City, 150040, China;2. Department of Photoelectric Engineering, Beijing Institute of Technology, Beijing City, 100081, China;1. Management School, Hangzhou Dianzi University, Hangzhou, China;2. Edward P Fitts Department of Industrial and System Engineering, North Carolina State University, Raleigh, NC, USA;1. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, People''s Republic of China;2. School of Electronic and Optical Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei, Nanjing 210094, People''s Republic of China;3. Key Laboratory of Modern Acoustics, Nanjing University, Nanjing 210093, People''s Republic of China |
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| Abstract: | In this paper, we propose a novel scheme for speed measurement of a moving object with translational motion. First, this scheme uses one interlaced scan CCD camera to obtain only one interlaced scan image of a moving object. The odd and even field images are extracted and resized. Second, image matte is applied in these two field images to extract the moving object’s silhouettes. The distance between two centroids in the two silhouettes is then computed. Finally, the object’s speed is calculated using the above distance and the camera imaging parameters. Simulation and real experiments prove that our scheme can fulfill the speed measurement for translational motion accurately. |
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