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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ye Dong Yu Xiao-yu Chen Gang Guo Yu-bo Wang Yan-wei |
| Copyright Year | 2014 |
| Description | Author affiliation: Sch. of Electr. Eng. & Autom., Harbin Inst. of Technol., Harbin, China (Ye Dong; Yu Xiao-yu; Chen Gang; Guo Yu-bo) || Shenyang Aircraft Design & Res. Inst., Shenyang, China (Wang Yan-wei) |
| Abstract | In the vision measurement of high-speed moving target, the system should with high data-update rate and maintain it stable. Cooperative markers also should be correctly matched. As the markers on the moving target with large displacement in the images between frames, the conventional neighborhood search method with a fixed neighborhood size would decrease the system data-update rate, mismatch the markers, and even miss the target, which result from inappropriate neighborhood setting. In this paper, an embedded real-time preprocessing system is designed. The problem of low data-update rate caused by high-resolution images transmission has been solved by Zero-Delay data transmission mode. A self-adaptive neighborhood search method is proposed with Kalman Filter to estimate the position of neighborhood, and the feedback of the depth information in the measurement results is used to track the neighborhood size. Benefiting from this method, the search range of the marker between frames is remarkably reduced. In the experiment, at the distance of 1.9m, the data update rate of the system remains relatively stable above 65fps when the moving target velocity ranged from 0.033m/s to 2.01m/s. The advantages in matching and real-time ability of the system in high speed target measurement are verified. |
| Starting Page | 817 |
| Ending Page | 822 |
| File Size | 351525 |
| Page Count | 6 |
| File Format | |
| e-ISBN | 9781479925384 |
| DOI | 10.1109/ICMC.2014.7231667 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-07-03 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Self-adaptive neighborhood Kalman Filter Machine vision Embedded system Vision measurement Digital signal processing Data transmission Cameras Real-time systems Data communication Kalman filters Field programmable gate arrays |
| Content Type | Text |
| Resource Type | Article |
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