圖像二維整數(shù)離散余弦變換(dct)變換算法和dsp實現(xiàn)課程設(shè)計(編輯修改稿)
2025-02-12 12:32 本頁面
【文章內(nèi)容簡介】 *****************************//* 學(xué)號： 姓名： *//************************************************************************/include include define N 8define PI int f1[N][N]={ {139,144,149,153,155,155,155,155}, {144,151,153,156,159,156,156,156}, {150,155,160,163,158,156,156,156}, {159,161,162,160,160,159,159,159}, {159,160,161,162,162,155,155,155}, {161,161,161,161,160,157,157,157}, {162,162,161,163,162,157,157,157}, {162,162,161,161,163,158,158,158},}。int q1[N][N]= //定義色度量化系數(shù){ {17,18,24,47,99,99,99,99}, {18,21,26,66,99,99,99,99}, {24,26,56,99,99,99,99,99}, {47,66,99,99,99,99,99,99}, {99,99,99,99,99,99,99,99}, {99,99,99,99,99,99,99,99}, {99,99,99,99,99,99,99,99}, {99,99,99,99,99,99,99,99},}。 int q2[N][N]= //定義亮度量化系數(shù){ {16,11,10,16,24,40,51,61}, {12,12,14,19,26,58,60,55}, {14,13,16,24,40,57,69,56}, {14,17,22,29,51,87,80,62}, {18,22,37,56,68,109,103,77}, {24,35,55,64,81,104,113,92}, {49,64,78,87,103,121,120,101}, {72,92,95,98,112,100,103,99} }。void showMat_d(double **matShow)。void showMat_i(int **matShow)。 //顯示函數(shù)，輸出為整形數(shù)據(jù)void DCT(int **f,double **F)。 //經(jīng)過FDCT變換，f為輸入數(shù)據(jù)，F(xiàn)為輸出數(shù)據(jù)void IDCT(int **f,int **F)。 //經(jīng)過逆變換，f為輸入數(shù)據(jù)，F(xiàn)為輸出數(shù)據(jù)void quant(double **f,int **F)。 //量化過程，f為傳進的DCT數(shù)據(jù)，F(xiàn)為量化后的數(shù)據(jù)void iQuant(int **f,int **F)。 //逆量化過程，f為量化后的數(shù)據(jù)，F(xiàn)為消除了量化的數(shù)據(jù)void main(){ double F[N][N]={0}。 //初始化輸出數(shù)組 int f_1[N][N]={0}。 //初始化逆變換的輸出數(shù)組 int f2[N][N]={0}。 //自定義輸入數(shù)組的數(shù)據(jù) int fq[N][N]={0}。 //定義量化后的數(shù)組。 int fq_1[N][N]={0}。 //定義經(jīng)過逆變化后的數(shù)組 int i=0,j=0。 ///
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