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296 lines (258 loc) · 9.84 KB
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Copy pathImage_Processing.cpp
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296 lines (258 loc) · 9.84 KB
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#include<iostream>
#include<vector>
#include<cmath>
#include<thread>
#include<future>
static void printpixelvalues(const std::vector<std::vector<std::vector<int>>>& vec3D, int colorIndex, const std::string& colorName)
{
std::cout << "Values of " << colorName << " Pixels" << "\n";
for (const auto& first : vec3D)
{
for (const auto& second : first)
{
std::cout << second[colorIndex] << " ";
}
std::cout << "\n";
}
}
static void printElements(const std::vector<std::vector<std::vector<int>>> vec3D)
{
for (const auto& first : vec3D)
{
for (const auto& second : first)
{
for (const auto& third : second)
{
std::cout << third << " ";
}
std::cout << "\n";
}
std::cout << "\n";
}
}
static int ImageSize(const std::vector<std::vector<std::vector<int>>> vec3D) {
return vec3D.size() * vec3D[0].size() * vec3D[0][0].size();
}
static void Filter(std::vector<std::vector<std::vector<int>>> vec3D,double alpha, int colorCode)
{
double one_minus_alpha = 1 - alpha;
std::cout << "values after Filter"<<"\n";
for (int i = 0; i < vec3D.size(); i++)
{
for (int j = 0; j < vec3D[0].size(); j++)
{
switch (colorCode) {
case 0:
vec3D[i][j][0] = static_cast<int>(std::floor(vec3D[i][j][0] + alpha * (255 - vec3D[i][j][0])));
vec3D[i][j][1] = static_cast<int>(std::floor(vec3D[i][j][1] * (one_minus_alpha)));
vec3D[i][j][2] = static_cast<int>(std::floor(vec3D[i][j][2] * (one_minus_alpha)));
break;
case 1:
vec3D[i][j][0] = static_cast<int>(std::floor(vec3D[i][j][0]* (one_minus_alpha)));
vec3D[i][j][1] = static_cast<int>(std::floor(vec3D[i][j][1] + alpha*(255 - vec3D[i][j][1])));
vec3D[i][j][2] = static_cast<int>(std::floor(vec3D[i][j][2] * (one_minus_alpha)));
break;
case 2:
vec3D[i][j][0] = static_cast<int>(std::floor(vec3D[i][j][0]* (one_minus_alpha)));
vec3D[i][j][1] = static_cast<int>(std::floor(vec3D[i][j][1] * (one_minus_alpha)));
vec3D[i][j][2] = static_cast<int>(std::floor(vec3D[i][j][2] + alpha* (255 - vec3D[i][j][2])));
break;
default:
std::cout << "Invalid colorCode Number(Pleasse choose among 0,1 and 2)" << "\n";
break;
}
}
}
printElements(vec3D);
}
static void Brightness(std::vector<std::vector<std::vector<int>>> vec3D, int brightnessFactor)
{
for (int i = 0; i < vec3D.size(); i++)
{
for (int j = 0; j < vec3D[0].size(); j++)
{
vec3D[i][j][0] = vec3D[i][j][0]+brightnessFactor;
vec3D[i][j][1] = vec3D[i][j][1]+brightnessFactor;
vec3D[i][j][2] = vec3D[i][j][2]+brightnessFactor;
}
}
printElements(vec3D);
}
namespace Contrast {
namespace {
static int averageIntensity(std::vector<std::vector<std::vector<int>>> vec3D) {
int sumOfPixels = 0;
for (const auto& first : vec3D)
{
for (const auto& second : first)
{
for (const auto& third : second)
{
sumOfPixels += third;
}
std::cout << "\n";
}
std::cout << "\n";
}
int size = ImageSize(vec3D);
return static_cast<int>(std::floor(sumOfPixels / size));
}
}
static void IncreasingContrast(std::vector<std::vector<std::vector<int>>> vec3D,double ContrastFactor) {
int mean = averageIntensity(vec3D);
for (int i = 0; i < vec3D.size(); i++)
{
for (int j = 0; j < vec3D[0].size(); j++)
{
vec3D[i][j][0] = mean + ContrastFactor*(vec3D[i][j][0]-mean);
vec3D[i][j][1] = mean + ContrastFactor*(vec3D[i][j][1]-mean);
vec3D[i][j][2] = mean + ContrastFactor*(vec3D[i][j][2]-mean);
}
}
std::cout << "Increasing Contrast Function" << "\n";
for (const auto& first : vec3D)
{
for (const auto& second : first)
{
for (const auto& third : second)
{
if (third < 0) {
std::cout << 0 << " ";
}
else {
std::cout << third << " ";
}
}
std::cout << "\n";
}
std::cout << "\n";
}
}
static void DecreasingContrast(std::vector<std::vector<std::vector<int>>> vec3D,double ContrastFactor) {
int mean = averageIntensity(vec3D);
for (int i = 0; i < vec3D.size(); i++)
{
for (int j = 0; j < vec3D[0].size(); j++)
{
vec3D[i][j][0] = mean + ContrastFactor * (vec3D[i][j][0] - mean);
vec3D[i][j][1] = mean + ContrastFactor * (vec3D[i][j][1] - mean);
vec3D[i][j][2] = mean + ContrastFactor * (vec3D[i][j][2] - mean);
}
}
std::cout << "Decreasing Contrast Function" << "\n";
for (const auto& first : vec3D)
{
for (const auto& second : first)
{
for (const auto& third : second)
{
if (third < 0) {
std::cout << 0 << " ";
}
else {
std::cout << third << " ";
}
}
std::cout << "\n";
}
std::cout << "\n";
}
}
}
static void GrayScale(std::vector<std::vector<std::vector<int>>> vec3D)
{
int rows = vec3D.size();
int columns = vec3D[0].size();
std::cout << "GrayScale Values" << "\n";
std::vector<std::vector<int>> vec2D(rows,std::vector<int>(columns));
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < columns; j++)
{
vec2D[i][j] = static_cast<int>(std::floor(0.2989*vec3D[i][j][0] + 0.5870*vec3D[i][j][1] + 0.1140*vec3D[i][j][2]));
}
}
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < columns; j++)
{
std::cout << vec2D[i][j] << " ";
}
std::cout << "\n";
}
}
static void ColorInversion(std::vector<std::vector<std::vector<int>>> vec3D)
{
for (int i = 0; i < vec3D.size(); i++)
{
for (int j = 0; j < vec3D[0].size(); j++)
{
vec3D[i][j][0] = 255-vec3D[i][j][0];
vec3D[i][j][1] = 255-vec3D[i][j][1];
vec3D[i][j][2] = 255-vec3D[i][j][2];
}
}
std::cout << "Color Inversion" << "\n";
printElements(vec3D);
}
int main()
{
std::vector<std::vector<std::vector<int>>> vec3D =
{ {{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{12,13,14},{21,31,41},{11,33,44},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{22,23,24},{21,31,41},{17,83,54},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}},
{{92,93,94},{71,51,49},{91,23,74},{31,34,67},{12,13,14},{21,31,41},{11,33,44},{31,34,67}}
};;
std::thread t1([vec3D]() {printElements(vec3D); });
t1.join();
std::cout<<ImageSize(vec3D)<<"\n";
std::thread pixelThreadZero([vec3D]() {printpixelvalues(vec3D, 0, "Red"); });
pixelThreadZero.join();
std::thread pixelThreadOne([vec3D]() {printpixelvalues(vec3D, 1, "Blue"); });
pixelThreadOne.join();
std::thread pixelThreadTwo([vec3D]() {printpixelvalues(vec3D, 2, "Green"); });
pixelThreadTwo.join();
std::thread filterThreadOne([vec3D]() {Filter(vec3D, 0.8, 0);});
filterThreadOne.join();
std::thread filterThreadTwo([vec3D]() {Filter(vec3D, 0.8, 1);});
filterThreadTwo.join();
std::thread filterThreadThree([vec3D]() {Filter(vec3D, 0.8, 2);});
filterThreadThree.join();
std::thread brightnessThread([vec3D]() {Brightness(vec3D, 30);});
brightnessThread.join();
std::thread IncreasingContrastThread([vec3D]() {Contrast::IncreasingContrast(vec3D, 1.5); });
IncreasingContrastThread.join();
std::thread DecreasingContrastTHread([vec3D]() {Contrast::DecreasingContrast(vec3D, 0.2); });
DecreasingContrastTHread.join();
std::thread GrayScaleTHread([vec3D]() {GrayScale(vec3D); });
GrayScaleTHread.join();
std::thread ColorInversionThread([vec3D]() {ColorInversion(vec3D); });
ColorInversionThread.join();
return 0;
}
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