校正任意形状DCT变换的矩阵不归一化，PSNR提高，基本是最佳校正方法-Calibration of arbitrary shape DCT transform matrix is not normalized, PSNR improve, the basic is the best correction method

Project 2D DCT core - specifications and codes-Project 2D DCT core- specifications and codes

The discrete cosine transform (DC T) represents an image as a sum of sinusoids of varying magnitudes and frequencies. The dct2 function computes the two-dimensional discrete cosine transform (DC T) of an image. The DC T has the property that, f

two dimensional discrete cosine transform image fusion using PCA source cod with various performance metrices-two dimensional discrete cosine transform image fusion using PCA source cod with various performance metrices