Each time a segment selector is loaded on to segment registers, the corresponding segment descriptor is loaded from memory into a matching non-programmable CPU register.
每次将段选择器加载到段寄存器中时，对应的段描述符都会从内存加载到相匹配的不可编程CPU寄存器中。
2
The traffic sign automatic recognition system is composed of the following modules: image segment, camera calibration, characteristic curve extraction, three-dimension recovery and image matching.