电子内窥镜产品国内外畸变性能评价方法的探讨

Discussion on the evaluation methods of distortion properties of electronic endoscope products at domestic and abroad

目的:比较中国、欧盟和美国在电子内窥镜图像畸变的评价方法上存在的差异,为制定更为科学合理的评价方法提供参考。方法:详述中国、欧盟和美国注册中畸变评价的3种标准方法,分析评价这3种方法的异同,针对每种方法的科学合理性及可操作性进行深入探讨。结果:通过对比分析,3种方法各自存在优势和不足。结论:中国的畸变评价法中球面视场更贴近实际,利于实现设备的自动化测试和计算。

Objective:To compare the differences in the evaluation methods of image distortion of electronic endoscopes in China,the European Union(EU)and the United States(US),and to provide reference for the development of more scientific and reasonable evaluation methods.Methods:Three standard methods of distortion evaluation in China,EU and US were described in detail,their differences and similarities were analyzed and evaluated,and the scientific rationality and operability of each method were discussed in depth.Results:Through comparative analysis,each of them has its own advantages and shortcomings.Conclusion:Spherical field of view in China’s distortion evaluation method is closer to reality,which is conducive to achieving automated testing and calculation of equipment.