显示DICOM的二维图像结果，支持使用VTKViewer进行窗宽窗位调节-The results showed that the two-dimensional image DICOM support the use VTKViewer be window width and position adjustment

使用itk显示二维图像，并可以实现tag的插入与修改-Use itk display two-dimensional images and can insert and modify the tag

seven two demension invariant,7个二维不变矩的总结，很全面，在图像旋转分析中很有用。-seven two demension invariant

利用VTK对二维超声纹理图像做旋转变换，从而实现二维坐标到三维空间的映射。-VTK use of two-dimensional ultrasound image texture do rotational transformation in order to achieve the two-dimensional coordinates to map the three-dimensional space.