diff --git a/Capstone_Design.sln b/Capstone_Design.sln index 359b88b..2c7f033 100644 --- a/Capstone_Design.sln +++ b/Capstone_Design.sln @@ -63,6 +63,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "edge_detection", "ch09\edge EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "edge", "Homework\edge\edge.vcxproj", "{85DBF128-C338-4C43-B575-87C1B8CD2EFA}" EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "YCbCrHist", "Homework\YCbCrHist\YCbCrHist.vcxproj", "{2DB82859-6BEC-40B4-A8CA-BFA2C60145B0}" +EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|x64 = Debug|x64 @@ -231,6 +233,14 @@ Global {85DBF128-C338-4C43-B575-87C1B8CD2EFA}.Release|x64.Build.0 = Release|x64 {85DBF128-C338-4C43-B575-87C1B8CD2EFA}.Release|x86.ActiveCfg = Release|Win32 {85DBF128-C338-4C43-B575-87C1B8CD2EFA}.Release|x86.Build.0 = Release|Win32 + {2DB82859-6BEC-40B4-A8CA-BFA2C60145B0}.Debug|x64.ActiveCfg = Debug|x64 + {2DB82859-6BEC-40B4-A8CA-BFA2C60145B0}.Debug|x64.Build.0 = Debug|x64 + {2DB82859-6BEC-40B4-A8CA-BFA2C60145B0}.Debug|x86.ActiveCfg = Debug|Win32 + {2DB82859-6BEC-40B4-A8CA-BFA2C60145B0}.Debug|x86.Build.0 = Debug|Win32 + {2DB82859-6BEC-40B4-A8CA-BFA2C60145B0}.Release|x64.ActiveCfg = Release|x64 + {2DB82859-6BEC-40B4-A8CA-BFA2C60145B0}.Release|x64.Build.0 = Release|x64 + {2DB82859-6BEC-40B4-A8CA-BFA2C60145B0}.Release|x86.ActiveCfg = Release|Win32 + {2DB82859-6BEC-40B4-A8CA-BFA2C60145B0}.Release|x86.Build.0 = Release|Win32 EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE @@ -256,6 +266,7 @@ Global {F920D051-F9B5-43C2-ACF7-C5DE9B18B20C} = {E583E257-9FCE-4A4B-A554-8514F982D1BF} {F7126457-CC07-433A-B762-C4DFB352653C} = {2BBACE58-DAC1-4D1E-85FC-3A3E9F789D9B} {85DBF128-C338-4C43-B575-87C1B8CD2EFA} = {E583E257-9FCE-4A4B-A554-8514F982D1BF} + {2DB82859-6BEC-40B4-A8CA-BFA2C60145B0} = {E583E257-9FCE-4A4B-A554-8514F982D1BF} EndGlobalSection GlobalSection(ExtensibilityGlobals) = postSolution SolutionGuid = {E1A0C3F4-F16D-4626-86CE-D8484C0C776D} diff --git a/Homework/YCbCrHist/YCbCrHist.vcxproj b/Homework/YCbCrHist/YCbCrHist.vcxproj new file mode 100644 index 0000000..e8b8ea3 --- /dev/null +++ b/Homework/YCbCrHist/YCbCrHist.vcxproj @@ -0,0 +1,144 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + Debug + x64 + + + Release + x64 + + + + 17.0 + Win32Proj + {2db82859-6bec-40b4-a8ca-bfa2c60145b0} + YCbCrHist + 10.0 + + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + + + + + + + + + + + + + + + + + + + + + + + + Level3 + true + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + Level3 + true + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + true + true + + + + + + + + + + + + + + \ No newline at end of file diff --git a/Homework/YCbCrHist/YCbCrHist.vcxproj.filters b/Homework/YCbCrHist/YCbCrHist.vcxproj.filters new file mode 100644 index 0000000..894934a --- /dev/null +++ b/Homework/YCbCrHist/YCbCrHist.vcxproj.filters @@ -0,0 +1,33 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + 소스 파일 + + + + + 리소스 파일 + + + 리소스 파일 + + + 리소스 파일 + + + \ No newline at end of file diff --git a/Homework/YCbCrHist/YCbCrHist.zip b/Homework/YCbCrHist/YCbCrHist.zip new file mode 100644 index 0000000..edf3b32 Binary files /dev/null and b/Homework/YCbCrHist/YCbCrHist.zip differ diff --git a/Homework/YCbCrHist/fallback.png b/Homework/YCbCrHist/fallback.png new file mode 100644 index 0000000..c5af037 --- /dev/null +++ b/Homework/YCbCrHist/fallback.png @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:ade64a87d544c41ee9688ecac95201dcd2a695d96ca8dccf2537830353215ce2 +size 4822729 diff --git a/Homework/YCbCrHist/main.cpp b/Homework/YCbCrHist/main.cpp new file mode 100644 index 0000000..139b54d --- /dev/null +++ b/Homework/YCbCrHist/main.cpp @@ -0,0 +1,86 @@ +#include "opencv2/opencv.hpp" +#include +using namespace cv; +using namespace std; + +Mat getCbCrHist(const Mat& src, const int* channels); +Mat getHSVHist(const Mat& src, const int* channels); +void cvtCartesian2PolarCV_32F(const Mat& src, Mat& dst); + +int main(int argc, char* argv[]) { + Mat src; + if (argc > 1) + src = imread(argv[1], IMREAD_COLOR); + else + src = imread("fallback.png", IMREAD_COLOR); + if (src.empty()) { + cerr << "Image load failed" << endl; + return -1; + } + + Mat ycrcb(src.rows, src.cols, src.type()); + Mat hsv(src.rows, src.cols, src.type()); + cvtColor(src, ycrcb, COLOR_BGR2YCrCb); + cvtColor(src, hsv, COLOR_BGR2HSV); + + int channels_Cb_Cr[] = { 1, 2 }; + Mat Cb_CrHist = getCbCrHist(ycrcb, channels_Cb_Cr); + int channels_HSV[] = { 1, 0 }; + Mat HSHist = getHSVHist(hsv, channels_HSV); + Mat HSPolar(src.rows, src.cols, src.type()); + cvtCartesian2PolarCV_32F(HSHist, HSPolar); + + imshow("src", src); + Cb_CrHist.convertTo(Cb_CrHist, CV_8U); + imshow("Histogram in Cb-Cr cartesian coordinates", Cb_CrHist); + HSHist.convertTo(HSHist, CV_8U); + // resize(HSHist, HSHist, Size(512, 512)); + imshow("Histogram in H-S cartesian coordinates", HSHist); + HSPolar.convertTo(HSPolar, CV_8U); + imshow("Histogram in H-S polar coordinates", HSPolar); + + waitKey(); + destroyAllWindows(); + + return 0; +} + +Mat getCbCrHist(const Mat& src, const int *channels) { + Mat hist; + int cr_bins = 512, cb_bins = 512; + int histSize[] = { cr_bins, cb_bins }; + float cr_range[] = { 0, 256 }; + float cb_range[] = { 0, 256 }; + const float* ranges[] = { cr_range, cb_range }; + calcHist(&src, 1, channels, noArray(), hist, 2, histSize, ranges); + + return hist; +} + +Mat getHSVHist(const Mat& src, const int* channels) { + Mat hist; + int x_bins = 256, y_bins = 180; + int histSize[] = { x_bins, y_bins }; + float x_range[] = { 0, 256 }; + float y_range[] = { 0, 180 }; + const float* ranges[] = { x_range, y_range }; + calcHist(&src, 1, channels, noArray(), hist, 2, histSize, ranges); + + return hist; +} + +void cvtCartesian2PolarCV_32F(const cv::Mat& src, cv::Mat& dst) { + int max = std::max(src.rows, src.cols); + dst = cv::Mat::zeros(max * 2, max * 2, src.type()); + + for (int h = 0; h < src.rows; ++h) { + for (int s = 0; s < src.cols; ++s) { + float theta = (s / (float)src.cols) * 2.f * CV_PI; + + int x = static_cast(max + h * std::cos(theta)); + int y = static_cast(max + h * std::sin(theta) * -1); // opencv y Ǿ Ƿ + + dst.at(y, x) = src.at(h, s); + } + } +} \ No newline at end of file diff --git a/Homework/YCbCrHist/스크린샷 2025-04-27 014722.png b/Homework/YCbCrHist/스크린샷 2025-04-27 014722.png new file mode 100644 index 0000000..5b03961 --- /dev/null +++ b/Homework/YCbCrHist/스크린샷 2025-04-27 014722.png @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:20d75c06a244760b274b76068ce8d4f557de5e95f182e1fcbbf1800b1effe9fa +size 3051800 diff --git a/ch05/brightness/main.cpp b/ch05/brightness/main.cpp index c7654e6..973ee66 100644 --- a/ch05/brightness/main.cpp +++ b/ch05/brightness/main.cpp @@ -99,8 +99,6 @@ int mosaic() { return 1; } - const - Mat dst(src.rows, src.cols, src.type()); for (int j = 0; j < src.rows; j++) {