From 3f8f7f952e5b6094a0534931ce48f30ffd98f437 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 17 May 2022 17:56:59 +0800
Subject: import(life): ...

---
 .../HistogramEqulization.cpp                       | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 works/life/digital-image-process-lab/HistogramEqulization.cpp

(limited to 'works/life/digital-image-process-lab/HistogramEqulization.cpp')

diff --git a/works/life/digital-image-process-lab/HistogramEqulization.cpp b/works/life/digital-image-process-lab/HistogramEqulization.cpp
new file mode 100644
index 0000000..951a966
--- /dev/null
+++ b/works/life/digital-image-process-lab/HistogramEqulization.cpp
@@ -0,0 +1,34 @@
+#include <iostream>
+#include <string>
+
+#include <opencv2/highgui.hpp>
+#include <opencv2/imgcodecs.hpp>
+#include <opencv2/imgproc.hpp>
+
+int main(int argc, char **argv) {
+  if (argc != 2) {
+    std::cerr << "Please input an image file path as the only arg."
+              << std::endl;
+    return -1;
+  }
+
+  std::string file_name(argv[1]);
+
+  cv::Mat src, dst;
+
+  src = cv::imread(file_name, cv::IMREAD_COLOR);
+  if (src.empty()) {
+    std::cerr << "Failed to load image file: " << file_name << std::endl;
+    return -2;
+  }
+
+  cv::cvtColor(src, src, cv::COLOR_BGR2GRAY);
+
+  cv::equalizeHist(src, dst);
+
+  cv::imshow("Source Image", src);
+  cv::imshow("Equalized Image", dst);
+  cv::waitKey();
+
+  return 0;
+}
-- 
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