最小二乘法求色彩还原矩阵

jdnie

已于 2022-03-29 10:11:39 修改

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文章标签：最小二乘法色彩还原

于 2016-12-29 16:43:31 首次发布

本文链接：https://blog.youkuaiyun.com/jdnie/article/details/53929985

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本文深入探讨了如何运用最小二乘法来构建色彩还原矩阵，详细阐述了该方法在图像处理中的应用，旨在提高图像色彩的准确性。

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int calc_ccm(double *r, double *g, double *b, double *R, double *G, double *B, int num, double *ccm)
{
    double sum_rr=0, sum_gg=0, sum_bb=0, sum_rg=0, sum_gb=0, sum_rb=0;
    double sum_rR=0, sum_gR=0, sum_bR=0, sum_rG=0, sum_gG=0, sum_bG=0, sum_rB=0, sum_gB=0, sum_bB=0;
    int i, j;
    
    for (i=0; i<num; i++)
    {
        sum_rr += r[i]*r[i];
        sum_gg += g[i]*g[i];
        sum_bb += b[i]*b[i];
        sum_rg += r[i]*g[i];
        sum_gb += g[i]*b[i];
        sum_rb += r[i]*b[i];
        sum_rR += r[i]*R[i];
        sum_gR += g[i]*R[i];
        sum_bR += b[i]*R[i];
        sum_rG += r[i]*G[i];
        sum_gG += g[i]*G[i];
        sum_bG += b[i]*G[i];
        sum_rB += r[i]*B[i];
        sum_gB += g[i]*B[i];
        sum_bB +