When acquiring the pavement image, the acquired image is hard for image segmentation and recognition because of the noise and the nonuniform backgroundillumination.
在获取路面图像中，由于背景光照不均匀以及存在着一些路面噪声，给后来的图像分割及识别带来了一些困难。
2
How to extract clear and intact fringes from all kinds of noises, especially strongly inhomogeneous backgroundillumination, is the key problem in preprocessing of thermal flow field tomogram.
如何从各种噪声尤其是强烈的不均匀背景光噪声中提取清晰完整的条纹是热流场层析图预处理的主要问题。
3
Eyes location and face detection are important parts of face recognition, and in complex background, illumination and other objects have influence on eyes location and face detection.