积分时间是决定红外焦平面阵列(IRFPA)成像质量的关键因素.针对红外测量系统难以实时自动确定积分时间的问题,提出基于人眼视觉特性和事前辐射标定的积分时间自适应预测方法.假定目标和背景在连续两帧内不突变,结合事前辐射标定结果、目标和背景信息反演计算各积分时间的目标和背景灰度,以人眼视觉特性和跟踪判据为调节依据,自动预测合适的积分时间.实验结果表明,该方法能自适应快速预测满足要求的积分时间,使获取的图像处于线性区中段,保证了成像质量,有利于目标的初始捕获和平稳跟踪.
参考文献
| [1] | Tao Kunyu,Li Fuwei,et al.IRFPA imaging system dynamic range adaptive adjust technology[J].Infrared and Laser Engineering (红外与激光工程),2008,49(2):265-269 (in Chinese). |
| [2] | Ma Bin,Ma Degui,Liao Jiangmin.Multimodality images registration based on multi-resolution[J].Chinese Journal of Quantum Electronics(量子电子学报), 2012,29(1):15-20 (in Chinese). |
| [3] | Yang Ciyin,Zhang Jianping,Cao Lihua.Infrared radiation measurement based on real-time correction[J].J.Infrared Millim.Waves(红外与毫米波学报), 2011,30(3):284-288 (in Chinese). |
| [4] | Leng Hanbing,Tang Xinyi,Peng Dingxiang.Research on nonuniformity correction of IRFPA based on integral time adjust[J].J.Infrared Millim.Waves (红外与毫米波学报),2007,26(4):246-250 (in Chinese). |
| [5] | Wang Rui,Shao Xiaopeng,Xu Jun,et al.Study on improving dynamic range of infrared imaging system based on calibrating integration time[J].Infrared Technology(红外技术), 2009,32(7):381-385 (in Chinese). |
| [6] | Yang Ciyin,Zhang Jianping,Cao Lihua.Infrared radiation measurement based on proportional corrected atmospheric transmittance[J].Optics and Precision Engineering(光学精密工程), 2012,20(7):1626-1635 (in Chinese). |
| [7] | Qu Huiming,Chen Qian.Surrounding temperature compensation for infrared focal plane arrays non-uniformity correction[J].Infrared and Laser Engineering (红外与激光工程),2011,40(12):2328-2332 (in Chinese). |
| [8] | Liu Tianliang,Dai Xiubin,Zhu Xiuchang,et al.Hierarchical aggregation fast stereo image matching based on Weber perception and guided filtering[J].Journal of Electronics and Information Technology(电子与信息学报),2012,34(4):57-60 (in Chinese). |
| [9] | Chen Yungu,Su Benyue.Ridge extraction based on image segmentation[J].Chinese Journal of Quantum Electronics(量子电子学报), 2012,29(6):665-670 (in Chinese). |
| [10] | Wu Xuping,Yuan Renmin,et al.Impact of CCD signal quality related to sampling digit and diaphragm[J].Chinese Journal of Quantum Electronics(量子电子学报),2011,21(6):654-659 (in Chinese). |
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