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在远距离外观检测领域中,正悄悄地进行着一场革新。它体现在两个方面:一是远距离外观检测仪器中光纤质量的改善;二是电子计算机与检测仪器的结合应用。在光学清晰度、放大率、分辨率等大幅度改善的情况下,质量检验人员能在远距离观察和判断缺陷,这些缺陷可能存在于机器内部、发动机、大型结构、管道、电子元件以及其它无法进入的地方。更重要的也许是远距离外观检测形成了视频信号与计算机有机结合的新技术,它必然伴随着检测结果数据库的增加,井且扩大了工程和管理人员在决策方面的能力。内窥镜和光纤探测器是人眼观测的一种扩展。检测人员通过光学系统直接观察被测物,根据个人的经验,由“眼球”作出判断。眼球判断保证了远距离外观检测的有效性,但亦有不足之处:尤其是尺寸估计的主观
In the field of long-range appearance inspection, there is a quiet reform. It is reflected in two aspects: First, improve the quality of the optical fiber in the appearance of the long-range appearance of the instrument; Second, the combination of computer and instrumentation applications. With significant improvements in optical clarity, magnification and resolution, quality inspectors can observe and judge defects over long distances, which can be internal to the machine, engines, large structures, pipes, electrical components, and others The place to enter. More importantly, long-range appearance inspection may form a new technology of organic combination of video signal and computer, which inevitably accompanies the increase of test result database and expands the ability of engineering and management personnel in decision-making. Endoscopes and fiber optic detectors are an extension of the human eye. Detectors through the optical system directly observe the measured object, based on personal experience, by the “eyeball” to make judgments. Judgment of the eye to ensure the validity of long-range visual inspection, but there are also deficiencies: In particular, the subjective estimation of size