Xuming Wang, Wei Huang, Bingxian Zhang, Jiuzhe Wei, Xuxia Zhuang, Qiufeng Lv, Haibin Jiang. Real-time calculation method of integral time based on interframe angle point matching[J]. Infrared and Laser Engineering, 2021, 50(5): 20200492
- Infrared and Laser Engineering
- Vol. 50, Issue 5, 20200492 (2021)
Fig. 1. Integration time real-time measurement system based on interframe angle matching distance measurement
Fig. 2. Schematic diagram of calculating system principle
Fig. 3. Schematic diagram of high frequency array CMOS image motion velocity V 2calculation
Fig. 4. Elimination effect of prior knowledge on Harris angle point mismatching
Fig. 5. Matching effect optimized by Harris algorithm
Fig. 6. Simulation results of
measurement accuracy after sub-pixel positioning(Matching errors of zero are not shown in the figure above)
亚像元定位后
测量精度仿真结果（匹配误差为0的点对在上图中未作显示）
Fig. 7. Relationship between TDI stage and
TDI级数与
的关系
|
Table 1. Before and after optimization with Harris algorithm
|
Table 2. Influence factors of integral-time residual error on image quality in different TDI stages
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