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ISP.cpp
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#include "pch.h"
#include "ISP.h"
inline unsigned short RGB2Y(int R, int G, int B)
{
unsigned short Y = (38 * R + 75 * G + 15 * B) >> 7;
return Y;
}
inline short RGB2U(int R, int G, int B)
{
short U = (-43 * R - 85 * G + 128 * B) >> 8;
return U;
}
inline short RGB2V(int R, int G, int B)
{
short V = (128 * R - 107 * G - 21 * B) >> 8;
return V;
}
inline unsigned short saturate_12bit(int v)
{
if (v > 4095) v = 4095;
else if (v < 0) v = 0;
return v;
}
static float WB_Gain[120 * 135 * 3] = { 0 };
void GI(unsigned short* img_raw)
{
int w = 3840;
int h = 2160;
unsigned short* raw_up = img_raw;
unsigned short* raw_down = img_raw + w;
for (int y = 0; y < (h >> 1); y++)
{
for (int x = 0; x < (w >> 1); x++)
{
unsigned short G1 = raw_up[1];
unsigned short G2 = raw_down[0];
unsigned short G = (G1 + G2) / 2;
//raw_up[0] = raw_up[0] - 186;
raw_up[1] = G;
raw_down[0] = G;
/*raw_up[1] = raw_up[1] - 186;
raw_down[0] = raw_down[0] - 186;*/
//raw_down[1] = raw_down[1] - 186;
raw_up += 2;
raw_down += 2;
}
raw_up += w;
raw_down += w;
}
}
void Gaussian_BNR(unsigned short* in_img)
{
static unsigned short raw_bnr[3840 * 2160] = { 0 };
int w = 3840;
int h = 2160;
unsigned short* p_raw1 = in_img;
unsigned short* p_raw2 = p_raw1 + w;
unsigned short* p_raw3 = p_raw2 + w;
unsigned short* p_raw4 = p_raw3 + w;
unsigned short* p_raw5 = p_raw4 + w;
unsigned short* p_bnr1 = raw_bnr + w * 2;
unsigned short* p_bnr2 = raw_bnr + w * 3;
for (int j = 0; j < ((h - 4) >> 1); j++)
{
p_bnr1[0] = p_raw3[0];
p_bnr1[1] = p_raw3[1];
p_bnr2[0] = p_raw4[0];
p_bnr2[1] = p_raw4[1];
p_bnr1 += 2;
p_bnr2 += 2;
for (int i = 0; i < ((w - 4) >> 1); i++)
{
unsigned short v1 = p_raw1[0];
unsigned short v2 = p_raw1[2];
unsigned short v3 = p_raw1[3];
unsigned short v4 = p_raw1[4];
unsigned short v5 = p_raw2[1];
unsigned short v6 = p_raw2[2];
unsigned short v7 = p_raw2[3];
unsigned short v8 = p_raw2[4];
unsigned short v9 = p_raw2[5];
unsigned short v10 = p_raw3[0];
unsigned short v11 = p_raw3[1];
unsigned short v12 = p_raw3[2];
unsigned short v13 = p_raw3[3];
unsigned short v14 = p_raw3[4];
unsigned short v15 = p_raw3[5];
unsigned short v16 = p_raw4[0];
unsigned short v17 = p_raw4[1];
unsigned short v18 = p_raw4[2];
unsigned short v19 = p_raw4[3];
unsigned short v20 = p_raw4[4];
unsigned short v21 = p_raw4[5];
unsigned short v22 = p_raw5[0];
unsigned short v23 = p_raw5[1];
unsigned short v24 = p_raw5[2];
unsigned short v25 = p_raw5[3];
unsigned short v26 = p_raw5[4];
unsigned short v27 = p_raw5[1];
unsigned short v28 = p_raw5[2];
unsigned short v29 = p_raw5[3];
unsigned short v30 = p_raw5[5];
p_bnr1[0] = (v1 + v2 * 2 + v4 + v10 * 2 + v12 * 4 + v14 * 2 + v22 + v24 * 2 + v26) >> 4;
p_bnr1[1] = (v3 + v6 * 2 + v8 + v11 * 2 + v13 * 4 + v15 * 2 + v18 + v20 * 2 + v25) >> 4;
p_bnr2[0] = (v6 + v11 * 2 + v13 + v16 * 2 + v18 * 4 + v20 * 2 + v23 + v25 * 2 + v28) >> 4;
p_bnr2[1] = (v5 + v7 * 2 + v9 + v17 * 2 + v19 * 4 + v21 * 2 + v27 + v29 * 2 + v30) >> 4;
/*p_bnr1[0] = (v1 + v2 * 2 + v4 + v10 * 2 + v12 * 4 + v14 * 2 + v22 + v24 * 2 + v26) >> 4;
p_bnr1[1] = (v3 * 2 + v6 * 3 + v8 * 3 + v11 * 2 + v13 * 4 + v15 * 2 + v18 * 3 + v20 * 3 + v25 * 2) /24;
p_bnr2[0] = (v6 * 2 + v11 * 3 + v13 * 3 + v16 * 2 + v18 * 4 + v20 * 2 + v23 * 3 + v25 * 3 + v28 * 2)/24;
p_bnr2[1] = (v5 + v7 * 2 + v9 + v17 * 2 + v19 * 4 + v21 * 2 + v27 + v29 * 2 + v30) >> 4;*/
p_bnr1 += 2;
p_bnr2 += 2;
p_raw1 += 2;
p_raw2 += 2;
p_raw3 += 2;
p_raw4 += 2;
p_raw5 += 2;
}
p_bnr1[0] = p_raw3[2];
p_bnr1[1] = p_raw3[3];
p_bnr2[0] = p_raw4[2];
p_bnr2[1] = p_raw4[3];
p_bnr1 += (2 + w);
p_bnr2 += (2 + w);
p_raw1 += (4 + w);
p_raw2 += (4 + w);
p_raw3 += (4 + w);
p_raw4 += (4 + w);
p_raw5 += (4 + w);
}
memmove(in_img, raw_bnr, w * h * 2);
memset(raw_bnr, 0, w * h * 2);
}
//void Gaussian_gradient_BNR(unsigned short* in_img)
//{
// static unsigned short raw_bnr[3840 * 2160] = { 0 };
//
// int w = 3840;
// int h = 2160;
//
// unsigned short* p_raw1 = in_img;
// unsigned short* p_raw2 = p_raw1 + w;
// unsigned short* p_raw3 = p_raw2 + w;
// unsigned short* p_raw4 = p_raw3 + w;
// unsigned short* p_raw5 = p_raw4 + w;
// unsigned short* p_raw6 = p_raw5 + w;
//
// unsigned short* p_bnr1 = raw_bnr + w * 2;
// unsigned short* p_bnr2 = raw_bnr + w * 3;
//
// for (int j = 0; j < ((h - 4) >> 1); j++)
// {
// p_bnr1[0] = p_raw3[0];
// p_bnr1[1] = p_raw3[1];
// p_bnr2[0] = p_raw4[0];
// p_bnr2[1] = p_raw4[1];
//
// p_bnr1 += 2;
// p_bnr2 += 2;
// for (int i = 0; i < ((w - 4) >> 1); i++)
// {
// unsigned short v1 = p_raw1[2];
// unsigned short v2 = p_raw1[3];
// unsigned short v3 = p_raw2[2];
// unsigned short v4 = p_raw2[3];
// unsigned short v5 = p_raw3[0];
// unsigned short v6 = p_raw3[1];
// unsigned short v7 = p_raw3[2];
// unsigned short v8 = p_raw3[3];
// unsigned short v9 = p_raw3[4];
// unsigned short v10 = p_raw3[5];
// unsigned short v11 = p_raw4[0];
// unsigned short v12 = p_raw4[1];
// unsigned short v13 = p_raw4[2];
// unsigned short v14 = p_raw4[3];
// unsigned short v15 = p_raw4[4];
// unsigned short v16 = p_raw4[5];
// unsigned short v17 = p_raw5[2];
// unsigned short v18 = p_raw5[3];
// unsigned short v19 = p_raw6[2];
// unsigned short v20 = p_raw6[3];
//
//
// p_bnr1[0] = (v1 + v2 * 2 + v4 + v10 * 2 + v12 * 4 + v14 * 2 + v22 + v24 * 2 + v26) >> 4;
// p_bnr1[1] = (v3 + v6 * 2 + v8 + v11 * 2 + v13 * 4 + v15 * 2 + v18 + v20 * 2 + v25) >> 4;
// p_bnr2[0] = (v6 + v11 * 2 + v13 + v16 * 2 + v18 * 4 + v20 * 2 + v23 + v25 * 2 + v28) >> 4;
// p_bnr2[1] = (v5 + v7 * 2 + v9 + v17 * 2 + v19 * 4 + v21 * 2 + v27 + v29 * 2 + v30) >> 4;
//
// /*p_bnr1[0] = (v1 + v2 * 2 + v4 + v10 * 2 + v12 * 4 + v14 * 2 + v22 + v24 * 2 + v26) >> 4;
// p_bnr1[1] = (v3 * 2 + v6 * 3 + v8 * 3 + v11 * 2 + v13 * 4 + v15 * 2 + v18 * 3 + v20 * 3 + v25 * 2) /24;
// p_bnr2[0] = (v6 * 2 + v11 * 3 + v13 * 3 + v16 * 2 + v18 * 4 + v20 * 2 + v23 * 3 + v25 * 3 + v28 * 2)/24;
// p_bnr2[1] = (v5 + v7 * 2 + v9 + v17 * 2 + v19 * 4 + v21 * 2 + v27 + v29 * 2 + v30) >> 4;*/
//
// p_bnr1 += 2;
// p_bnr2 += 2;
//
// p_raw1 += 2;
// p_raw2 += 2;
// p_raw3 += 2;
// p_raw4 += 2;
// p_raw5 += 2;
// }
//
// p_bnr1[0] = p_raw3[2];
// p_bnr1[1] = p_raw3[3];
// p_bnr2[0] = p_raw4[2];
// p_bnr2[1] = p_raw4[3];
//
// p_bnr1 += (2 + w);
// p_bnr2 += (2 + w);
//
// p_raw1 += (4 + w);
// p_raw2 += (4 + w);
// p_raw3 += (4 + w);
// p_raw4 += (4 + w);
// p_raw5 += (4 + w);
// }
//
// memmove(in_img, raw_bnr, w * h * 2);
// memset(raw_bnr, 0, w * h * 2);
//}
//int BNR_3D(const char* Path, int* w, int* h, unsigned short* in_img)
//{
// Path = "E:\\test_image\\928\\2024-2-29\\raw\\RAW_3840x2160_12bits_RGGB_Linear_20240229162153.raw";
// static unsigned short img_raw1[3840 * 2160] = { 0 };
// static unsigned short img_raw2[3840 * 2160] = { 0 };
// static unsigned short img_raw3[3840 * 2160] = { 0 };
// static unsigned short img_raw4[3840 * 2160] = { 0 };
// static unsigned short img_raw5[3840 * 2160] = { 0 };
// static unsigned short img_raw6[3840 * 2160] = { 0 };
// static unsigned short img_raw7[3840 * 2160] = { 0 };
// static unsigned short img_raw8[3840 * 2160] = { 0 };
//
// ReadRaw12BPP("E:\\test_image\\928\\2024-2-29\\raw\\RAW_3840x2160_12bits_RGGB_Linear_20240229162153.raw", w, h, img_raw1);
// ReadRaw12BPP("E:\\test_image\\928\\2024-2-29\\raw\\RAW_3840x2160_12bits_RGGB_Linear_20240229162159.raw", w, h, img_raw2);
// ReadRaw12BPP("E:\\test_image\\928\\2024-2-29\\raw\\RAW_3840x2160_12bits_RGGB_Linear_20240229162206.raw", w, h, img_raw3);
// ReadRaw12BPP("E:\\test_image\\928\\2024-2-29\\raw\\RAW_3840x2160_12bits_RGGB_Linear_20240229162212.raw", w, h, img_raw4);
// ReadRaw12BPP("E:\\test_image\\928\\2024-2-29\\raw\\RAW_3840x2160_12bits_RGGB_Linear_20240229162219.raw", w, h, img_raw5);
// ReadRaw12BPP("E:\\test_image\\928\\2024-2-29\\raw\\RAW_3840x2160_12bits_RGGB_Linear_20240229162146.raw", w, h, img_raw6);
// ReadRaw12BPP("E:\\test_image\\928\\2024-2-29\\raw\\RAW_3840x2160_12bits_RGGB_Linear_20240229162140.raw", w, h, img_raw7);
// ReadRaw12BPP("E:\\test_image\\928\\2024-2-29\\raw\\RAW_3840x2160_12bits_RGGB_Linear_20240229162133.raw", w, h, img_raw8);
//
// for (int i = 0; i < *w * *h; i++)
// {
// //in_img[i] = (img_raw1[i] + img_raw2[i] + img_raw3[i] + img_raw4[i] + img_raw5[i] + img_raw6[i] + img_raw7[i] + img_raw8[i]) >> 3;
// //in_img[i] = (img_raw1[i] + img_raw2[i] + img_raw3[i] + img_raw4[i]) >> 2;
// in_img[i] = (img_raw1[i] + img_raw2[i]) >> 1;
// }
//
// return 0;
//}
void RGB12bits2Y(unsigned short* img_rgb, unsigned short* img_Y)
{
int size = 3840 * 2160;
unsigned short* pRgb = img_rgb;
for (int i = 0; i < size; i++)
{
unsigned short R = pRgb[2];
unsigned short G = pRgb[1];
unsigned short B = pRgb[0];
img_Y[i] = RGB2Y(R, G, B);
pRgb += 3;
}
}
void Laplace_Y(unsigned short* img_Y, short* img_Laplace)
{
int w = 3840;
int h = 2160;
unsigned short* pY_up = img_Y;
unsigned short* pY = img_Y + w;
unsigned short* pY_down = img_Y + 2 * w;
short* pLaplace = img_Laplace + w;
for (int j = 0; j < (h - 2); j++)
{
pLaplace[0] = pY[0];
pLaplace++;
for (int i = 0; i < (w - 2); i++)
{
pLaplace[0] = 8 * pY[1] - (pY_up[0] + pY_up[1] + pY_up[2] + pY[0] + pY[2] + pY_down[0] + pY_down[1] + pY_down[2]);
pY_up++;
pY++;
pY_down++;
pLaplace++;
}
pLaplace[0] = pY[0];
pLaplace++;
pY_up += 2;
pY += 2;
pY_down += 2;
}
}
void Sobel_Y(unsigned short* img_Y, short* img_Sobel)
{
/*int gx[3][3] = {
{ -1, 0, 1 },
{ -2, 0, 2 },
{ -1, 0, 1 }
};
int gy[3][3] = {
{ -1, -2, -1 },
{ 0, 0, 0 },
{ 1, 2, 1 }
};*/
int w = 3840;
int h = 2160;
unsigned short* pY_up = img_Y;
unsigned short* pY = img_Y + w;
unsigned short* pY_down = img_Y + 2 * w;
short* pSobel = img_Sobel + w;
for (int j = 0; j < (h - 2); j++)
{
pSobel[0] = pY[0];
pSobel++;
for (int i = 0; i < (w - 2); i++)
{
int sum_x = pY_down[0] + 2 * pY_down[1] + pY_down[2] - (pY_up[0] + 2 * pY_up[1] + pY_up[2]);
int sum_y = pY_up[2] + 2 * pY[2] + pY_down[2] - (pY_up[0] + 2 * pY[0] + pY_down[0]);
int sum_xy = sum_x * sum_x + sum_y * sum_y;
pSobel[0] = saturate_12bit((int)sqrt(sum_xy));
pY_up++;
pY++;
pY_down++;
pSobel++;
}
pSobel[0] = pY[0];
pSobel++;
pY_up += 2;
pY += 2;
pY_down += 2;
}
}
void Vague_Sobel_Y(short* img_Sobel)
{
static short img_VSobel[3840 * 2160] = { 0 };
int w = 3840;
int h = 2160;
int size = w * h;
short* pY_1 = img_Sobel;
short* pY_2 = img_Sobel + w;
short* pY_3 = img_Sobel + 2 * w;
short* pY_4 = img_Sobel + 3 * w;
short* pY_5 = img_Sobel + 4 * w;
short* pVSobel = img_VSobel + 2 * w;
for (int j = 0; j < (h - 4); j++)
{
pVSobel[0] = pY_3[0];
pVSobel[1] = pY_3[1];
pVSobel += 2;
for (int i = 0; i < (w - 4); i++)
{
pVSobel[0] = (pY_1[0] + pY_1[1] + pY_1[2] * 2 + pY_1[3] + pY_1[4]
+ pY_2[0] + pY_2[1] * 3 + pY_2[2] * 3 + pY_2[3] * 3 + pY_2[4]
+ pY_3[0] * 2 + pY_3[1] * 3 + pY_3[2] * 4 + pY_3[3] * 3 + pY_3[4] * 2
+ pY_4[0] + pY_4[1] * 3 + pY_4[2] * 3 + pY_4[3] * 3 + pY_4[4]
+ pY_5[0] + pY_5[1] + pY_5[2] * 2 + pY_5[3] + pY_5[4]) / 48;
pY_1++;
pY_2++;
pY_3++;
pY_4++;
pY_5++;
pVSobel++;
}
pVSobel[0] = pY_3[2];
pVSobel[1] = pY_3[3];
pVSobel += 2;
pY_1 += 4;
pY_2 += 4;
pY_3 += 4;
pY_4 += 4;
pY_5 += 4;
}
memmove(img_Sobel, img_VSobel, size * sizeof(short));
memset(img_VSobel, 0, size * sizeof(short));
}
void Laplace_Sobel_Y(short* img_Laplace, short* img_Sobel, short* img_edge)
{
int size = 3840 * 2160;
for (int i = 0; i < size; i++)
{
int fusion = img_Laplace[0] * img_Sobel[0];
img_edge[0] = (short)pow(fusion, 0.5);
/*int fusion = 0;
if (img_Laplace[0] == 0 || img_Sobel[0] == 0)
fusion = 0;
else
fusion = (int)(0.5f * (float)img_Laplace[0] + 0.5f * (float)img_Sobel[0]);
img_edge[0] = fusion;*/
img_Laplace++;
img_Sobel++;
img_edge++;
}
}
void Show_edge(short* img_Y, unsigned short* img_edge)
{
int size = 3840 * 2160;
unsigned short* p_edge = img_edge;
for (int i = 0; i < size; i++)
{
unsigned short value = abs(img_Y[i]);
//unsigned short value = saturate_12bit(img_Y[i]);
p_edge[0] = value;
p_edge[1] = value;
p_edge[2] = value;
p_edge += 3;
//img_Y++;
}
}
void Gaussian_NR(unsigned short* img_rgb)
{
int w = 3840;
int h = 2160;
int size = w * h;
static unsigned short img_Gau[3840 * 2160 * 3] = { 0 };
unsigned short* pRgb_1 = img_rgb;
unsigned short* pRgb_2 = pRgb_1 + w * 3;
unsigned short* pRgb_3 = pRgb_2 + w * 3;
unsigned short* pRgb_4 = pRgb_3 + w * 3;
unsigned short* pRgb_5 = pRgb_4 + w * 3;
unsigned short* pGau = img_Gau + w * 3 * 2;
for (int j = 0; j < (h - 4); j++)
{
pGau[0] = pRgb_1[0];
pGau[1] = pRgb_1[1];
pGau[2] = pRgb_1[2];
pGau[3] = pRgb_1[3];
pGau[4] = pRgb_1[4];
pGau[5] = pRgb_1[5];
pGau += 6;
for (int i = 0; i < (w - 4); i++)
{
pGau[0] = (pRgb_1[0] + pRgb_1[3] + pRgb_1[6] * 2 + pRgb_1[9] + pRgb_1[12]
+ pRgb_2[0] + pRgb_2[3] * 3 + pRgb_2[6] * 3 + pRgb_2[9] * 3 + pRgb_2[12]
+ pRgb_3[0] * 2 + pRgb_3[3] * 3 + pRgb_3[6] * 4 + pRgb_3[9] * 3 + pRgb_3[12] * 2
+ pRgb_4[0] + pRgb_4[3] * 3 + pRgb_4[6] * 3 + pRgb_4[9] * 3 + pRgb_4[12]
+ pRgb_5[0] + pRgb_5[3] + pRgb_5[6] * 2 + pRgb_5[9] + pRgb_5[12]) / 48;
pGau[1] = (pRgb_1[1] + pRgb_1[3] + pRgb_1[6] * 2 + pRgb_1[9] + pRgb_1[12]
+ pRgb_2[1] + pRgb_2[3] * 3 + pRgb_2[6] * 3 + pRgb_2[9] * 3 + pRgb_2[12]
+ pRgb_3[1] * 2 + pRgb_3[3] * 3 + pRgb_3[6] * 4 + pRgb_3[9] * 3 + pRgb_3[12] * 2
+ pRgb_4[1] + pRgb_4[3] * 3 + pRgb_4[6] * 3 + pRgb_4[9] * 3 + pRgb_4[12]
+ pRgb_5[1] + pRgb_5[3] + pRgb_5[6] * 2 + pRgb_5[9] + pRgb_5[12]) / 48;
pGau[2] = (pRgb_1[0] + pRgb_1[3] + pRgb_1[6] * 2 + pRgb_1[9] + pRgb_1[12]
+ pRgb_2[0] + pRgb_2[3] * 3 + pRgb_2[6] * 3 + pRgb_2[9] * 3 + pRgb_2[12]
+ pRgb_3[0] * 2 + pRgb_3[3] * 3 + pRgb_3[6] * 4 + pRgb_3[9] * 3 + pRgb_3[12] * 2
+ pRgb_4[0] + pRgb_4[3] * 3 + pRgb_4[6] * 3 + pRgb_4[9] * 3 + pRgb_4[12]
+ pRgb_5[0] + pRgb_5[3] + pRgb_5[6] * 2 + pRgb_5[9] + pRgb_5[12]) / 48;
pGau += 3;
pRgb_1 += 3;
pRgb_2 += 3;
pRgb_3 += 3;
pRgb_4 += 3;
pRgb_5 += 3;
}
pGau[0] = pRgb_1[0];
pGau[1] = pRgb_1[1];
pGau[2] = pRgb_1[2];
pGau[3] = pRgb_1[3];
pGau[4] = pRgb_1[4];
pGau[5] = pRgb_1[5];
pGau += 6;
pRgb_1 += 15;
pRgb_2 += 15;
pRgb_3 += 15;
pRgb_4 += 15;
pRgb_5 += 15;
}
memmove(img_rgb, img_Gau, size * sizeof(unsigned short));
memset(img_Gau, 0, size * sizeof(unsigned short));
//Show12bitImage("Gau_NR", 3840, 2160, img_rgb);
}
//img_rgb:rgb通道,img_edge:Y通道,out_img:rgb通道
void Show_12bit_Sharpen(unsigned short* img_rgb, short* img_edge, unsigned short* out_img)
{
int size = 3840 * 2160;
unsigned short* p_out = out_img;
for (int i = 0; i < size; i++)
{
p_out[0] = saturate_12bit(img_rgb[0] + img_edge[0]);
p_out[1] = saturate_12bit(img_rgb[1] + img_edge[0]);
p_out[2] = saturate_12bit(img_rgb[2] + img_edge[0]);
img_rgb += 3;
img_edge++;
p_out += 3;
}
}
void CCM(unsigned short* in_img, unsigned short* out_img)
{
/*float CCM[9] = { 1.613, -0.871, 0.258,
-0.223, 1.254, 0.031,
0.059, -0.766, 1.707 };*/
/*float CCM[9] = { 1.949, -0.855, -0.094,
-0.352, 1.465, -0.113,
0.258, -1.625, 2.367 };*/
float CCM[9] = { 1.672f, -0.984f, 0.313f,
-0.262f, 1.305f, -0.043f,
0.145f, -1.047f, 1.902f };
int size = 3840 * 2160;
for (int i = 0; i < size; i++)
{
float R = (float)in_img[2];
float G = (float)in_img[1];
float B = (float)in_img[0];
out_img[0] = saturate_12bit((short)(CCM[6] * R + CCM[7] * G + CCM[8] * B));
out_img[1] = saturate_12bit((short)(CCM[3] * R + CCM[4] * G + CCM[5] * B));
out_img[2] = saturate_12bit((short)(CCM[0] * R + CCM[1] * G + CCM[2] * B));
in_img += 3;
out_img += 3;
}
}
void RawWB(unsigned short* img_raw)
{
int w = 3840;
int h = 2160;
int half_h = h >> 1;
int half_w = w >> 1;
unsigned short* pRaw = img_raw;
unsigned short* pRaw_sec = img_raw + w;
unsigned int sum_r = 0;
unsigned int sum_g = 0;
unsigned int sum_b = 0;
unsigned int sum_y = 0;
unsigned short Y = 0;
for (int i = 0; i < half_h; i++)
{
for (int j = 0; j < half_w; j++)
{
unsigned short R = pRaw[0];
unsigned short G = (pRaw[1] + pRaw_sec[0]) >> 1;
unsigned short B = pRaw_sec[1];
Y = RGB2Y(R, G, B);
sum_r += pRaw[0];
sum_g += pRaw[1];
sum_g += pRaw_sec[0];
sum_b += pRaw_sec[1];
sum_y += Y;
pRaw += 2;
pRaw_sec += 2;
}
pRaw += w;
pRaw_sec += w;
}
int size = w * h;
int avg_r = sum_r / (size >> 2);
int avg_g = sum_g / (size >> 1);
int avg_b = sum_b / (size >> 2);
float gain_R = (float)avg_g / (float)avg_r;
float gain_B = (float)avg_g / (float)avg_b;
int avg_y = sum_y / (size >> 2);
float gain_r = (float)avg_y / (float)avg_r;
float gain_g = (float)avg_y / (float)avg_g;
float gain_b = (float)avg_y / (float)avg_b;
pRaw = img_raw;
pRaw_sec = img_raw + w;
for (int i = 0; i < half_h; i++)
{
for (int j = 0; j < half_w; j++)
{
/*pRaw[0] = (unsigned short)((float)pRaw[0] * gain_r);
pRaw[1] = (unsigned short)((float)pRaw[1] * gain_g);
pRaw_sec[0] = (unsigned short)((float)pRaw_sec[0] * gain_g);
pRaw_sec[1] = (unsigned short)((float)pRaw_sec[1] * gain_b);*/
pRaw[0] = saturate_12bit((unsigned short)((float)pRaw[0] * gain_r));
pRaw[1] = saturate_12bit((unsigned short)((float)pRaw[1] * gain_g));
pRaw_sec[0] = saturate_12bit((unsigned short)((float)pRaw_sec[0] * gain_g));
pRaw_sec[1] = saturate_12bit((unsigned short)((float)pRaw_sec[1] * gain_b));
/*pRaw[0] = saturate_12bit((unsigned short)((float)pRaw[0] * 1.204f));
pRaw[1] = saturate_12bit((unsigned short)((float)pRaw[1] * 0.857f));
pRaw_sec[0] = saturate_12bit((unsigned short)((float)pRaw_sec[0] * 0.857f));
pRaw_sec[1] = saturate_12bit((unsigned short)((float)pRaw_sec[1] * 1.651f));*/
pRaw += 2;
pRaw_sec += 2;
}
pRaw += w;
pRaw_sec += w;
}
}
void Raw12bit_Y_Square_HE(unsigned short* img_raw)
{
//Show12bitImage("Original", 3840, 2160, img_raw);
unsigned short* pRaw = img_raw;
static int Hist[4096] = { 0 };
static int s_Hist[4096] = { 0 };
static float w_Hist[4096] = { 0 };
static float Pi_sum[4096] = { 0 };
static unsigned short Y[3840 * 2160] = { 0 };
static int Pi_tab[4096] = { 0 };
int size = 3840 * 2160;
for (int i = 0; i < size; i++)
{
unsigned short R = pRaw[2];
unsigned short G = pRaw[1];
unsigned short B = pRaw[0];
Y[i] = RGB2Y(R, G, B);
Hist[Y[i]]++;
pRaw += 3;
}
int sum_s = 0;
for (int i = 0; i < 4096; i++)
{
int y_num = Hist[i];
s_Hist[i] = (int)pow(y_num, 0.333);
sum_s += s_Hist[i];//开方后的像素总数
}
for (int i = 0; i < 4096; i++)
{
w_Hist[i] = (float)s_Hist[i] / (float)sum_s;
}
Pi_sum[0] = w_Hist[0];
Pi_tab[0] = (int)(Pi_sum[0] * 4096.0f - 0.5f);
for (int i = 1; i < 4096; i++)
{
Pi_sum[i] = Pi_sum[i - 1] + w_Hist[i];
Pi_tab[i] = ((int)(Pi_sum[i] * 4096.0f - 0.5f));
}
//ShowSingleChart("HistCurve", Hist);
//ShowSingleChart("ObjectHistCurve", s_Hist);
//ShowSingleChart("HE_Chart", Pi_tab);
pRaw = img_raw;
for (int i = 0; i < size; i++)
{
int Y_HE = Pi_tab[Y[i]];
int Y_diff = Y_HE - Y[i];
pRaw[2] = saturate_12bit(pRaw[2] + Y_diff);
pRaw[1] = saturate_12bit(pRaw[1] + Y_diff);
pRaw[0] = saturate_12bit(pRaw[0] + Y_diff);
pRaw += 3;
}
//Show12bitImage("Y_HE", 3840, 2160, img_raw);
memset(Hist, 0, 4096 * sizeof(int));
memset(s_Hist, 0, 4096 * sizeof(int));
memset(w_Hist, 0, 4096 * sizeof(float));
memset(Pi_sum, 0, 4096 * sizeof(float));
memset(Y, 0, 3840 * 2160 * sizeof(unsigned short));
memset(Pi_tab, 0, 4096 * sizeof(int));
}
void Raw_Y_gamma(float gamma, unsigned short* img_raw)
{
int size = 3840 * 2160;
unsigned short* pRaw = img_raw;
unsigned short gamma_tab[4096] = { 0 };
for (int i = 0; i < 4096; i++)
{
gamma_tab[i] = (unsigned short)(pow(i / 4096.0f, gamma) * 4096);
}
for (int i = 0; i < size; i++)
{
unsigned short R = pRaw[2];
unsigned short G = pRaw[1];
unsigned short B = pRaw[0];
int Y = RGB2Y(R, G, B);
int Y_Gamma = gamma_tab[Y];
int Y_diff = Y_Gamma - Y;
pRaw[2] = saturate_12bit(pRaw[2] + Y_diff);
pRaw[1] = saturate_12bit(pRaw[1] + Y_diff);
pRaw[0] = saturate_12bit(pRaw[0] + Y_diff);
pRaw += 3;
}
}
void High_quality_interpolation(unsigned short* img_raw, unsigned short* img_rgb)
{
int w = 3840;
int h = 2160;
//int w = 2048;
//int h = 3072;
unsigned short* pRaw1 = img_raw;
unsigned short* pRaw2 = img_raw + w;
unsigned short* pRaw3 = img_raw + 2 * w;
unsigned short* pRaw4 = img_raw + 3 * w;
unsigned short* pRaw5 = img_raw + 4 * w;
unsigned short* pRaw6 = img_raw + 5 * w;
unsigned short* pRgb = img_rgb + (2 * w + 2) * 3;
unsigned short* pRgb_sec = pRgb + w * 3;
int half_h_4 = (h - 4) >> 1;
int half_w_4 = (w - 4) >> 1;
int w_add_4 = w + 4;
for (int j = 0; j < half_h_4; j++)
{
for (int i = 0; i < half_w_4; i++)
{
unsigned short v1 = pRaw1[2];
unsigned short v2 = pRaw1[3];
unsigned short v3 = pRaw2[1];
unsigned short v4 = pRaw2[2];
unsigned short v5 = pRaw2[3];
unsigned short v6 = pRaw2[4];
unsigned short v7 = pRaw3[0];
unsigned short v8 = pRaw3[1];
unsigned short v9 = pRaw3[2];
unsigned short v10 = pRaw3[3];
unsigned short v11 = pRaw3[4];
unsigned short v12 = pRaw3[5];
unsigned short v13 = pRaw4[0];
unsigned short v14 = pRaw4[1];
unsigned short v15 = pRaw4[2];
unsigned short v16 = pRaw4[3];
unsigned short v17 = pRaw4[4];
unsigned short v18 = pRaw4[5];
unsigned short v19 = pRaw5[1];
unsigned short v20 = pRaw5[2];
unsigned short v21 = pRaw5[3];
unsigned short v22 = pRaw5[4];
unsigned short v23 = pRaw6[2];
unsigned short v24 = pRaw6[3];
int R = 0;
int G = 0;
int B = 0;
B = (((v3 + v5 + v14 + v16) << 2) - 3 * (v1 + v7 + v11 + v20) + 12 * v9) >> 4;
G = (((v4 + v8 + v10 + v15) << 1) - (v1 + v7 + v11 + v20) + (v9 << 2)) >> 3;
R = v9;
pRgb[0] = saturate_12bit(B);
pRgb[1] = saturate_12bit(G);
pRgb[2] = saturate_12bit(R);
/*pRgb[0] = B;
pRgb[1] = G;
pRgb[2] = R;*/
B = ((v8 + v12) - ((v2 + v4 + v6 + v15 + v17 + v21) << 1) + ((v5 + v16) << 3) + 10 * v10) >> 4;
G = v10;
R = ((v2 + v21) - ((v4 + v6 + v8 + v12 + v15 + v17) << 1) + ((v9 + v11) << 3) + 10 * v10) >> 4;
pRgb[3] = saturate_12bit(B);
pRgb[4] = saturate_12bit(G);
pRgb[5] = saturate_12bit(R);
/*pRgb[3] = B;
pRgb[4] = G;
pRgb[5] = R;*/
B = ((v4 + v23) - ((v8 + v10 + v13 + v17 + v19 + v21) << 1) + ((v14 + v16) << 3) + 10 * v15) >> 4;
G = v15;
R = ((v13 + v17) - ((v4 + v8 + v10 + v19 + v21 + v23) << 1) + ((v9 + v20) << 3) + 10 * v15) >> 4;
pRgb_sec[0] = saturate_12bit(B);
pRgb_sec[1] = saturate_12bit(G);
pRgb_sec[2] = saturate_12bit(R);
/*pRgb_sec[0] = B;
pRgb_sec[1] = G;
pRgb_sec[2] = R;*/
B = v16;
G = (((v10 + v15 + v17 + v21) << 1) - (v5 + v14 + v18 + v24) + (v16 << 2)) >> 3;
R = (((v9 + v11 + v20 + v22) << 2) - 3 * (v5 + v14 + v18 + v24) + 12 * v16) >> 4;
pRgb_sec[3] = saturate_12bit(B);
pRgb_sec[4] = saturate_12bit(G);
pRgb_sec[5] = saturate_12bit(R);
/* pRgb_sec[3] = B;
pRgb_sec[4] = G;
pRgb_sec[5] = R;*/
pRaw1 += 2;
pRaw2 += 2;
pRaw3 += 2;
pRaw4 += 2;
pRaw5 += 2;
pRaw6 += 2;
pRgb += 6;
pRgb_sec += 6;
}
pRaw1 += w_add_4;
pRaw2 += w_add_4;
pRaw3 += w_add_4;
pRaw4 += w_add_4;
pRaw5 += w_add_4;
pRaw6 += w_add_4;
pRgb += w_add_4 * 3;
pRgb_sec += w_add_4 * 3;
}
}
void Rgb_12bit_to_8bit(unsigned short* img_rgb_12bit, unsigned char* img_rgb_8bit)
{
int w = 3840;
int h = 2160;
for (int i = 0; i < w * h * 3; i++)
{
//img_rgb_8bit[i] = saturate(img_rgb_12bit[i] >> 4);
img_rgb_8bit[i] = img_rgb_12bit[i] >> 4;
}
}
void Y2RGB(int w, int h, unsigned short* img_src, unsigned short* img_dst, unsigned short* img_rgb)
{
int size = w * h;
unsigned short* pRgb = img_rgb;
for (int i = 0; i < size; i++)
{
int Y_diff = img_dst[i] - img_src[i];
pRgb[0] = saturate_12bit(pRgb[0] + Y_diff);
pRgb[1] = saturate_12bit(pRgb[1] + Y_diff);
pRgb[2] = saturate_12bit(pRgb[2] + Y_diff);
pRgb += 3;
}
}
void RGB12bit_to_UV(int w, int h, unsigned short* img_rgb, short* img_uv)
{
unsigned short* pRgb1 = img_rgb;
unsigned short* pRgb2 = img_rgb + w * 3;
short* pUV = img_uv;
for (int j = 0; j < (h >> 1); j++)
{
for (int i = 0; i < (w >> 1); i++)
{
unsigned short R1 = pRgb1[2];
unsigned short G1 = pRgb1[1];
unsigned short B1 = pRgb1[0];
unsigned short R2 = pRgb1[5];
unsigned short G2 = pRgb1[4];
unsigned short B2 = pRgb1[3];
unsigned short R3 = pRgb2[2];
unsigned short G3 = pRgb2[1];
unsigned short B3 = pRgb2[0];
unsigned short R4 = pRgb2[5];
unsigned short G4 = pRgb2[4];
unsigned short B4 = pRgb2[3];
int u1 = RGB2U(R1, G1, B1);
int u2 = RGB2U(R2, G2, B2);
int u3 = RGB2U(R3, G3, B3);
int u4 = RGB2U(R4, G4, B4);
int v1 = RGB2V(R1, G1, B1);
int v2 = RGB2V(R2, G2, B2);
int v3 = RGB2V(R3, G3, B3);
int v4 = RGB2V(R4, G4, B4);
pUV[0] = (u1 + u2 + u3 + u4) >> 2;
pUV[1] = (v1 + v2 + v3 + v4) >> 2;
pRgb1 += 6;
pRgb2 += 6;
pUV += 2;
}
pRgb1 += 3 * w;
pRgb2 += 3 * w;
}