From 69e20e9f5d4aee4311a8248ebd6a9865dda2d1b0 Mon Sep 17 00:00:00 2001
From: Heyuxuan <1071816265@qq.com>
Date: Tue, 28 May 2024 19:04:12 +0800
Subject: [PATCH] 0528

---
 04绘制矩形.py | 25 +++++++++++++++++++++++++
 05人脸检测.py | 31 +++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 04绘制矩形.py
 create mode 100644 05人脸检测.py

diff --git a/04绘制矩形.py b/04绘制矩形.py
new file mode 100644
index 0000000..5b24d81
--- /dev/null
+++ b/04绘制矩形.py
@@ -0,0 +1,25 @@
+#导入cv模块
+import cv2 as cv
+#读入图像
+img = cv.imread("pic/img1.jpg")
+#窗口名字
+cv.namedWindow("Demo",0)
+#规定图片大小
+cv.resizeWindow("Demo",600,600)
+#图片位置坐标
+cv.moveWindow("Demo",300,150)
+#坐标
+x,y,w,h=100,100,100,100
+#绘制矩形
+cv.rectangle(img,(x,y),(x+w,y+h),(4,255,255),thickness=2)
+#绘制圆形
+cv.circle(img,(x+w,y+h),100,(255,0,0),thickness=2)
+#显示图像
+cv.imshow("Demo", img)
+#等待
+while True:
+    if ord('q') == cv.waitKey(0):
+        break
+#>0 等待delay毫秒 =0 无限等待 <0 等待键盘单击
+#释放内存
+cv.destroyAllWindows() #删除所以窗口
\ No newline at end of file
diff --git a/05人脸检测.py b/05人脸检测.py
new file mode 100644
index 0000000..08a5a2d
--- /dev/null
+++ b/05人脸检测.py
@@ -0,0 +1,31 @@
+#导入cv模块
+import cv2 as cv
+#检测函数
+def face_detect_demo():
+    #将图片转换为灰度图片
+    gary = cv.cvtColor(img, cv.COLOR_BGR2GRAY)
+    #自带的分类器
+    face_detect = cv.CascadeClassifier('D:/PyCharm 2024.1.1/opencv/sources/data/haarcascades/haarcascade_frontalface_alt2.xml')
+    face = face_detect.detectMultiScale(gary,1.01,5,0,(100,100),(300,300))
+    for (x,y,w,h) in face:
+        cv.rectangle(img,(x,y),(x+w,y+h),color = (0,0,255),thickness = 2)
+    # 显示图像
+    cv.imshow("Demo", img)
+#读入图像
+img = cv.imread("pic/img15.jpg")
+#窗口名字
+cv.namedWindow("Demo",0)
+#规定图片大小
+cv.resizeWindow("Demo",600,600)
+#图片位置坐标
+cv.moveWindow("Demo",300,150)
+#调用检测函数
+face_detect_demo()
+
+#等待
+while True:
+    if ord('q') == cv.waitKey(0):
+        break
+#>0 等待delay毫秒 =0 无限等待 <0 等待键盘单击
+#释放内存
+cv.destroyAllWindows() #删除所以窗口
\ No newline at end of file