Noise free normalized fringe method (NFNF) that is also named pure fringe gray level method is one of the effective methods.
本文综述了作者提出的免除噪声正则化条纹法的原理和多种方法。
2
By means of orthogonal experiment, the effects of noise, visibility and fringe density on the measuring accuracy of fringe direction and space are analysed in detail.
采取正交实验手段，全面分析了噪声、条纹对比度和密度对条纹方向及间距测量精度的影响。
3
In this paper, the noise free normalized fringe method that was proposed and developed by the author is reviewed and summarized briefly.