在图像处理技术中，正交变换被广泛地运用于图像的特征提取、图像增强、图像识别等领域中，因此本程序对几种主要的正交变换进行了编程实现。-In image processing technology, orthogonal transformation is widely used in image feature extraction, image enhancement, image recognition, etc, so this procedure of several main ortho