We now try to write a denary number, say 9310, in base 8.

现在我们用8为基值，来记一个十进制的数，如9310。

The text does obstacle detection for the picked image. The process contains pretreatment, denary, lane detection and mathematical morphology in road image.

对采集的道路图像中的障碍物进行边缘检测，其过程为：道路图像预处理、二值化、边缘检测和数学形态学处理。