From b2b70a0520a5caa02ddbe596e54093960221453e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Python=E5=B0=8F=E7=99=BD=E8=BF=9B=E9=98=B6?=
 <860365566@qq.com>
Date: Fri, 10 Dec 2021 13:28:15 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=B0=E6=96=87=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../4.\346\242\257\345\272\246/Gradient.py"        | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 "data/1.OpenCV\345\210\235\351\230\266/3.\345\233\276\345\203\217\345\242\236\345\274\272\345\222\214\346\273\244\346\263\242/4.\346\242\257\345\272\246/Gradient.py"

diff --git "a/data/1.OpenCV\345\210\235\351\230\266/3.\345\233\276\345\203\217\345\242\236\345\274\272\345\222\214\346\273\244\346\263\242/4.\346\242\257\345\272\246/Gradient.py" "b/data/1.OpenCV\345\210\235\351\230\266/3.\345\233\276\345\203\217\345\242\236\345\274\272\345\222\214\346\273\244\346\263\242/4.\346\242\257\345\272\246/Gradient.py"
new file mode 100644
index 0000000..f56af2d
--- /dev/null
+++ "b/data/1.OpenCV\345\210\235\351\230\266/3.\345\233\276\345\203\217\345\242\236\345\274\272\345\222\214\346\273\244\346\263\242/4.\346\242\257\345\272\246/Gradient.py"
@@ -0,0 +1,14 @@
+import cv2 as cv
+
+if __name__ == '__main__':
+    img = cv.imread("lena.png", flags=1)
+    imgGray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
+
+    SobelX = cv.Sobel(imgGray, cv.CV_16S, 1, 0)  # 计算 x 轴方向
+    SobelY = cv.Sobel(imgGray, cv.CV_16S, 0, 1)  # 计算 y 轴方向
+    absX = cv.convertScaleAbs(SobelX)  # 转回 uint8
+    absY = cv.convertScaleAbs(SobelY)  # 转回 uint8
+    SobelXY = cv.addWeighted(absX, 0.5, absY, 0.5, 0)  # 用绝对值近似平方根
+
+    cv.imshow("Sobel gradient", SobelXY)
+    cv.waitKey(0)
\ No newline at end of file
-- 
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