The experimental result shows that the contrastoffringes can be increased by the proposed method .
结果表明，这种方法处理过的散斑图像增强了散斑条纹的对比度。
2
The causes of interfering with the contrastof equal thickness fringes are discussed. The advantages of optical components of dark background are presented.
本文讨论了影响等厚条纹对比度的原因，指出了暗背景光学元件的优点。
3
In the laser video display system, video image with low contrast and inferior image quality are usually happened due to the effects of the background interference fringes.