Choose the target and the noise that will be removed in two Windows, then extract target with dual-direction scan in each window.
在二值边缘图像中应用双窗口分别选定目标和要去除的噪声，在各窗口中采用双向扫描提取目标特征。
2
The space scan method of wavelength is put forward for the principle of the dual FFPI sensor measuring precise surface roughness, and its basic construction is discussed.
针对双光纤f—p干涉仪测量高精度表面粗糙度的原理，提出波长的空间扫描方法，并对其构成进行了分析。
3
In this system, two single chip computers communicate with each other through dual port SRAM to realize high speed picture and work for display scan and graphic process respectively.