存在的点 meaning in English

pointofpresencece

Due to the image exists the instances of spin and distortion , in order adopting part small template proceed matching in order to reduce thereof impacts by as possible , besides small template matching may decrease calculation quantity , and it is propitious to real time of matching . looking into be on the impact of illumination , chromatism , under cloak circumstance template size and quantity select versus matching rate . matching primitive chooses gray , gray information measure large and most easy to obtain , but it is rather effected by illumination condition and chromatism , maximum matching rate restricted to 70 %
瓷砖缺陷检测采用待测图像与标准图像作差法,作差法对匹配精度要求较高,因此在匹配误差存在的点进一步做了亚像素级的匹配;导弹目标识别,采用背景匹配的方法,统计背景移动距离指导目标的识别;丛林中移动目标识别,采用作差法找到目标区和背景区,分别采用不同的模板和阈值匹配,统计目标区匹配结果。