Active shape models (ASM), consisting of a shape model and a local gray-level appearance model, can be used to locate the objects in images. In original ASM scheme, the model of object′s gray-level variations is base...Active shape models (ASM), consisting of a shape model and a local gray-level appearance model, can be used to locate the objects in images. In original ASM scheme, the model of object′s gray-level variations is based on the assumption of one-dimensional sampling and searching method. In this work a new way to model the gray-level appearance of the objects is explored, using a two-dimensional sampling and searching technique in a rectangular area around each landmark of object shape. The ASM based on this improvement is compared with the original ASM on an identical medical image set for task of spine localization. Experiments demonstrate that the method produces significantly fast, effective, accurate results for spine localization in medical images.展开更多
基于组件对象模型COM的组件具有可重用性、语言独立性、自描述性等优点,将Fortran计算程序/数学模型建造成COM组件并集成到组件软件系统是一必然发展要求.COM组件拥有怎样的基本特征,如何规划、设计Fortran COM组件,CVF计算开发环境中的...基于组件对象模型COM的组件具有可重用性、语言独立性、自描述性等优点,将Fortran计算程序/数学模型建造成COM组件并集成到组件软件系统是一必然发展要求.COM组件拥有怎样的基本特征,如何规划、设计Fortran COM组件,CVF计算开发环境中的Fortran COM Server Wizard插件为创建Fortran COM组件提供了哪些方面的支持,在COM组件中能否直接使用Fortran数据类型,就这样一些Fortran编程人员所关注的基本问题进行探讨.展开更多
文摘Active shape models (ASM), consisting of a shape model and a local gray-level appearance model, can be used to locate the objects in images. In original ASM scheme, the model of object′s gray-level variations is based on the assumption of one-dimensional sampling and searching method. In this work a new way to model the gray-level appearance of the objects is explored, using a two-dimensional sampling and searching technique in a rectangular area around each landmark of object shape. The ASM based on this improvement is compared with the original ASM on an identical medical image set for task of spine localization. Experiments demonstrate that the method produces significantly fast, effective, accurate results for spine localization in medical images.
文摘基于组件对象模型COM的组件具有可重用性、语言独立性、自描述性等优点,将Fortran计算程序/数学模型建造成COM组件并集成到组件软件系统是一必然发展要求.COM组件拥有怎样的基本特征,如何规划、设计Fortran COM组件,CVF计算开发环境中的Fortran COM Server Wizard插件为创建Fortran COM组件提供了哪些方面的支持,在COM组件中能否直接使用Fortran数据类型,就这样一些Fortran编程人员所关注的基本问题进行探讨.
