update metrics table

Author: wq2012

README.md

@@ -14,8 +14,8 @@
 | **Bone Segmentation** | Active Shape Model (Siemens proprietary) | Dense Auto-Context Random Forest (Python) |
 | **Cartilage Segmentation** | [Semantic Context Forest (C++)](https://github.com/wq2012/DecisionForest) | Semantic Context Forest (Python) |
 | **Dataset** |  Osteoarthritis Initiative (OAI) | [SKI10](https://ski10.grand-challenge.org/) |
-| **Bone DSC** | ~95% | >91% |
-| **Cartilage DSC** | ~83% | ~69% |
+| **Bone DSC** | ~95% | ~92% |
+| **Cartilage DSC** | ~83% | ~66% |
 
 ## Table of Contents
 1. [Installation](#installation)