Cortex Project Updates #88

Technical Updates 🤖
Machine-Learning(ML), CortexVirtual Machine(CVM) & Model RepresentationTool(MRT) R&D
1. MRT quantization yolo v5 model, newly added sigmoid activation, elemwise multiply operator quantization support;
2. MRT fixes the problem of the same name and prefix of the graph model;
3. The front-end functions of MRT V3 continue to improve;
4. MRT quantitative papers…