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USW
2025-05-07 12:06:35 +09:00
parent 63525bab64
commit 0d9c3ed470
9 changed files with 562 additions and 0 deletions
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24
Capstone_Design.sln
View File

@@ -69,6 +69,12 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "adaptive", "ch11\adaptive\a
EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "findcts", "ch12\findcts\findcts.vcxproj", "{6F3AAF9A-D050-4BE9-A2F7-3E0CAB16E69E}"
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Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|x64 = Debug|x64
@@ -253,6 +259,22 @@ Global
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{9BD9A147-29ED-4F6C-8BFD-71F03E56332C}.Release|x86.Build.0 = Release|Win32
{AC2741E6-3BF6-417D-8CE5-82696760AC35}.Debug|x64.ActiveCfg = Debug|x64
{AC2741E6-3BF6-417D-8CE5-82696760AC35}.Debug|x64.Build.0 = Debug|x64
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{AC2741E6-3BF6-417D-8CE5-82696760AC35}.Release|x64.ActiveCfg = Release|x64
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{AC2741E6-3BF6-417D-8CE5-82696760AC35}.Release|x86.ActiveCfg = Release|Win32
{AC2741E6-3BF6-417D-8CE5-82696760AC35}.Release|x86.Build.0 = Release|Win32
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{6F3AAF9A-D050-4BE9-A2F7-3E0CAB16E69E}.Debug|x86.ActiveCfg = Debug|Win32
{6F3AAF9A-D050-4BE9-A2F7-3E0CAB16E69E}.Debug|x86.Build.0 = Debug|Win32
{6F3AAF9A-D050-4BE9-A2F7-3E0CAB16E69E}.Release|x64.ActiveCfg = Release|x64
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{6F3AAF9A-D050-4BE9-A2F7-3E0CAB16E69E}.Release|x86.Build.0 = Release|Win32
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GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
@@ -280,6 +302,8 @@ Global
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142
ch12/findcts/findcts.vcxproj Normal file
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ch12/findcts/findcts.vcxproj.filters Normal file
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133
ch12/findcts/main.cpp Normal file
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@@ -0,0 +1,133 @@
#include <iostream>
#include "opencv2/opencv.hpp"
using namespace cv;
void contours_basic() {
Mat src = imread("../../resources/images/contours.bmp", IMREAD_GRAYSCALE);
std::vector<std::vector<Point>> contours;
findContours(src, contours, RETR_LIST, CHAIN_APPROX_NONE);
Mat dst;
cvtColor(src, dst, COLOR_GRAY2BGR);
for (int i = 0; i < contours.size(); i++) {
Scalar c(rand() & 255, rand() & 255, rand() & 255);
drawContours(dst, contours, i, c, 2);
}
imshow("src", src);
imshow("dst", dst);
waitKey();
destroyAllWindows();
}
void contours_hier() {
Mat src = imread("../../resources/images/contours.bmp", IMREAD_GRAYSCALE);
std::vector<std::vector<Point>> contours;
std::vector<Vec4i> hirarchy;
findContours(src, contours, hirarchy, RETR_CCOMP, CHAIN_APPROX_NONE);
Mat dst;
cvtColor(src, dst, COLOR_GRAY2BGR);
for (int i = 0; i >= 0; i = hirarchy[i][0]) {
Scalar c(rand() & 255, rand() & 255, rand() & 255);
drawContours(dst, contours, i, c, -1, LINE_8, hirarchy);
}
for (int i = 0; i < contours.size(); i++) {
std::cout << "Hirarchy of contour index: " << i << "-->" << hirarchy[i] << std::endl;
}
imshow("src", src);
imshow("dst", dst);
waitKey();
destroyAllWindows();
}
void contour_apps() {
Mat src = imread("../../resources/images/beta.png", IMREAD_GRAYSCALE);
Mat bin;
std::vector<std::vector<Point>> contours;
std::vector<Vec4i> hirarchy;
threshold(src, bin, 128, 255, THRESH_BINARY | THRESH_OTSU);
morphologyEx(bin, bin, MORPH_OPEN, Mat(), Point(-1, -1), 1);
findContours(bin, contours, hirarchy, RETR_TREE, CHAIN_APPROX_NONE);
Mat dst;
cvtColor(src, dst, COLOR_GRAY2BGR);
for (int idx = 0; idx >= 0; idx = hirarchy[idx][0]) {
Scalar c(rand() & 255, rand() & 255, rand() & 255);
drawContours(dst, contours, idx, c, 2, LINE_AA, hirarchy, 2, Point(0, 0));
Rect rect = boundingRect(contours[idx]);
rectangle(dst, rect, Scalar(0, 0, 255), 2, LINE_AA, 0);
RotatedRect rrect = minAreaRect(contours[idx]);
Point2f vertices[4];
rrect.points(vertices);
for (int i = 0; i < 4; i++)
line(dst, vertices[i], vertices[(i + 1 & 3)], Scalar(255, 0, 0), 2, LINE_AA, 0);
float angle = rrect.angle;
std::cout << "\nrotated angle: " << cvRound(angle) << std::endl;
Point2f center;
float radius;
minEnclosingCircle(contours[idx], center, radius);
circle(dst, center, radius, Scalar(0, 255, 255), 2, LINE_AA, 0);
double len = arcLength(contours[idx], true);
std::cout << "\nlength of contour: " << cvRound(len) << std::endl;
double area = contourArea(contours[idx], false);
std::cout << "\narea of contour: " << cvRound(area) << std::endl;
}
imshow("dst", dst);
waitKey();
destroyAllWindows();
}
void contour_approximation() {
Mat src = imread("../../resources/images/kmap_simple.jpg", IMREAD_GRAYSCALE);
Mat bin;
std::vector<std::vector<Point>> contours;
std::vector<Vec4i> hirarchy;
threshold(src, bin, 128, 255, THRESH_BINARY | THRESH_OTSU);
findContours(bin, contours, hirarchy, RETR_TREE, CHAIN_APPROX_NONE);
Mat dst;
cvtColor(src, dst, COLOR_GRAY2BGR);
for (int idx = 0; idx >= 0; idx = hirarchy[idx][0]) {
Scalar c(rand() & 255, rand() & 255, rand() & 255);
drawContours(dst, contours, idx, c, 2, LINE_AA, hirarchy, 2, Point(0, 0));
std::vector<Point> approxCurve;
approxPolyDP(contours[idx], approxCurve, arcLength(contours[idx], true) * 0.005, true);
int no_vertex = approxCurve.size();
std::cout << "The nimber of vertex: " << no_vertex << std::endl;
for (int v = 0; v < no_vertex; v++) {
circle(dst, approxCurve[v], 3, Scalar(0, 0, 255), 2);
line(dst, approxCurve[v], approxCurve[(v+1) % no_vertex], Scalar(255, 255, 0), 2);
}
}
imshow("src", src);
imshow("dst", dst);
waitKey();
destroyAllWindows();
}
int main() {
contour_approximation();
}

142
ch12/labeling/labeling.vcxproj Normal file
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61
ch12/labeling/main.cpp Normal file
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#include <iostream>
#include "opencv2/opencv.hpp"
using namespace cv;
void labeling_basic() {
uchar data[] = {
0, 0, 1, 1, 0, 0, 0, 0,
1, 1, 1, 1, 0, 0, 1, 0,
1, 1, 1, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 1, 0,
0, 0, 0, 1, 1, 1, 1, 0,
0, 0, 0, 1, 0, 0, 1, 0,
0, 0, 1, 1, 1, 1, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0
};
Mat src = Mat(8, 8, CV_8UC1, data) * 255;
Mat labels;
int cnt = connectedComponents(src, labels);
std::cout << "src:\n" << src << std::endl;
std::cout << "lables:\n" << labels << std::endl;
std::cout << "number of lables:\n" << cnt << std::endl;
}
void labling_stats() {
Mat src = imread("../../resources/images/keyboard.bmp", IMREAD_GRAYSCALE);
Mat bin;
threshold(src, bin, 0, 255, THRESH_BINARY | THRESH_OTSU);
Mat labels, stats, centroids;
int cnt = connectedComponentsWithStats(bin, labels, stats, centroids);
Mat dst;
cvtColor(src, dst, COLOR_GRAY2BGR);
for (int i = 1; i < cnt; i++) {
int* p = stats.ptr<int>(i);
double* c = centroids.ptr<double>(i);
//if (p[4] < 20)
// continue;
rectangle(dst, Rect(p[0], p[1], p[2], p[3]), Scalar(0, 255, 255), 2);
char num[30] = { '0' + i, '\0'};
sprintf_s(num, "%d", i);
putText(dst, num, Point(c[0], c[1]), FONT_HERSHEY_PLAIN, 1.2, Scalar(0, 0, 255));
}
imshow("src", src);
imshow("dst", dst);
waitKey();
destroyAllWindows();
}
int main() {
labling_stats();
}

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resources/images/beta.png (Stored with Git LFS) Normal file
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resources/images/kmap_simple.jpg (Stored with Git LFS) Normal file
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