车载红外热成像相机图像清晰度评测方法研究  

Research on Sharpness Evaluation and Test of Vehicle Infrared Thermal Imaging Camera

作　　者：胡月[1] 朱彤[1] Hu Yue;Zhu Tong(China Automotive Technology and Research Center Co.,Ltd.,Tianjin 300300)

机构地区：[1]中国汽车技术研究中心有限公司,天津300300

出　　处：《中国汽车》2022年第8期19-23,共5页China Auto

摘　　要：依据QC/T 1128—2019《汽车用摄像头》标准中基于可见光的图像质量评价体系和车载红外热成像相机镜头的特点,提出将MTF50P作为镜头清晰度的评价指标,并根据ISO 12233中斜边测试卡的原理,设计了用于车载红外热成像相机图像清晰度测试的斜边测试卡。同时,还选用了三种不同型号的样机进行了测试验证,结果表明,评价指标和测试方法合理,测试结果准确可靠、可复现,能够为车载红外热成像相机图像清晰度的评价提供基本方法和测试指导。In the basis of the visible light image quality evaluation system referred to QC/T 1128-2019 and the characteristics of the vehicle infrared thermal imaging camera,this paper has suggested a sharpness evaluation criterion which named MTF50.In addition,in accordance with the principle of the test card in ISO 12233,a hypotenuse test card for vehicle infrared thermal imaging camera has been designed.Three different models of samples have been validated.The result shows that the accuracy,reliability and reproducibility of evaluation criterion and testing methodology could be highly guaranteed.

关 键 词：红外热成像相机 清晰度 评测方法 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]