是数字图像处理中各种变换的类,包括DCT等不同的变换方法-Is class, all kinds of transform in digital image processing methods, including different DCT transformation,

几何变换是最常见的图像处理手段,通过对变形的图像进行几何校正-Geometric transformation is the most common means of image processing, based on the deformation of the image geometric correction