add files: Basic.py

stslinux · stslinux · commit bdb0ac85e471 · 2019-11-04T19:59:19.000+08:00
diff --git a/opencv/Basic.py b/opencv/Basic.py
@@ -0,0 +1,25 @@
+import cv2 as cv
+import numpy as np
+
+fileName0 = "C:\\Users\\nvt-pc\\Desktop\\1.png"
+fileName1 = "C:\\Users\\nvt-pc\\Desktop\\1_0.png"
+
+img = cv.imread(fileName0)
+
+# 图像：高、宽、channel
+print(img.shape)
+# 像素取值
+pixel = img[100, 100]
+# 图像通道分割
+b, g, r = cv.split(img)
+# 图像高、宽
+h, w = img.shape[0:2]
+# 图像缩放
+img_resize = cv.resize(img, (50, 50), cv.INTER_AREA)
+# 颜色空间变换
+gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
+# 保存图像
+cv.imwrite(fileName1, gray)
+
+
+
