From f361b1ac7aadae321d60dbb11d0a8f7e816ab83a Mon Sep 17 00:00:00 2001
From: Ryuchanghoon <fbckdgns3@naver.com>
Date: Wed, 12 Feb 2025 00:54:52 +0900
Subject: [PATCH] =?UTF-8?q?[#2]=20feat:=20CLAHE=20&=20Sharpening=20?=
 =?UTF-8?q?=EC=A0=81=EC=9A=A9=20=EC=BD=94=EB=93=9C?=
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---
 sharpening_CLAHE.py | 46 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 sharpening_CLAHE.py

diff --git a/sharpening_CLAHE.py b/sharpening_CLAHE.py
new file mode 100644
index 0000000..f4e800e
--- /dev/null
+++ b/sharpening_CLAHE.py
@@ -0,0 +1,46 @@
+import cv2
+import numpy as np
+
+
+image = cv2.imread("test.jpg", cv2.IMREAD_GRAYSCALE)
+
+
+# ------ CLAHE -------
+
+clahe = cv2.createCLAHE(clipLimit = 5.0, tileGridSize = (3, 3))
+clahe_enhanced = clahe.apply(image)
+
+cv2.namedWindow('CLAHE', cv2.WINDOW_NORMAL)
+cv2.imshow('CLAHE', clahe_enhanced)
+
+
+# ------ Sharpening -------
+
+sharpening_kernel = np.array([[-1, -1, -1], 
+                              [-1,  9, -1], 
+                              [-1, -1, -1]])
+
+sharpened = cv2.filter2D(image, -1, sharpening_kernel)
+
+cv2.namedWindow('Sharpening', cv2.WINDOW_NORMAL)
+cv2.imshow('Sharpening', sharpened)
+
+
+# ------ CLAHE 후 Sharpening -------
+
+clahe_sharpen = cv2.filter2D(clahe_enhanced, -1, sharpening_kernel)
+
+cv2.namedWindow('Sharpen after CLAHE', cv2.WINDOW_NORMAL)
+cv2.imshow('Sharpen after CLAHE', clahe_sharpen)
+
+
+# ------ Sharpening 후 CLAHE -------
+
+sharpen_clahe = clahe.apply(sharpened)
+
+cv2.namedWindow('CLAHE after Sharpen', cv2.WINDOW_NORMAL)
+cv2.imshow('CLAHE after Sharpen', sharpen_clahe)
+
+
+cv2.waitKey(0)
+cv2.destroyAllWindows()
\ No newline at end of file