The segmentation of structure from 2D and 3D images is an important rst step in analyzing medical data. For example, it is necessary to segment the brain in an MR image, before it can be rendered in 3D for visualization purposes. Segmentation

可以生成基于ras的公钥及私钥证书，加密tostr的方法及服务端解密的 strto 方法。先生成证书 利用公钥进行加密并转换str传送使用 服务端使用私钥对str进行解密使用-Can generate Ras based public key and private key certificate, the method of encryption tostr and server decryption strto method. Mr. Cheng certificate using th