spidermanYT 1 năm trước cách đây
mục cha
commit
db933b4b11

BIN
day05/jkapp/dev/__pycache__/camera.cpython-39.pyc


+ 92 - 9
day05/jkapp/dev/camera.py

@@ -1,20 +1,103 @@
-from PyQt5.QtCore import QThread
+from PyQt5.QtCore import QThread    # 引入多线程,设备是多个,一个设备一个任务
+
 import cv2
-# from cv2 import VideoCapture
+
+import numpy as np
+
+# from cv2 import VideoCapture 
+
+
+
+# 1. 定义信号(引入)
+
 from PyQt5.QtCore import pyqtSignal
+
+
+
 class CameraDev(QThread):
-    sig_video = pyqtSignal(bytes,int,int,int)
+
+    # 定义信号(定义)
+
+    sig_video = pyqtSignal(bytes, int, int, int)  # 信号传递的数据(图像的二进制数据,字节序列(bytes), 图像高度int,宽度int,通道数int)
+
     def __init__(self):
+
         super(CameraDev, self).__init__()
+
+        # 开始视频抓取的任务初始化
+
+        # 初始化摄像头
+
         self.cam = cv2.VideoCapture(
-            0,cv2.CAP_DSHOW
+
+            0, # 摄像头的编号,从0
+
+            cv2.CAP_DSHOW # 视频的处理调用DirectX 3D (DirectShow)
+
         )
 
+        self.isOver = False
+
+
+
     def run(self):
-        while True:
-            # print("设备准备工作!")
-            status, img = self.cam.read()
+
+        kernel = np.array([  # 深度学习就是找到一个kernel是的特征对分类有效
+
+            [0, -2, 0],
+
+            [-2, 8, -2],
+
+            [0, -2, 0]
+
+        ])
+
+        # 设备线程的任务,run结束,则任务结束
+
+        while not self.isOver:
+
+            # 反复抓取视频处理
+
+            # print("设备准备工作!")
+
+            status, img = self.cam.read()  # 从摄像头读取图像
+
             if status:
+
                 # print(img.shape)
-                self.sig_video.emit(img.tobytes(),img.shape[0],img.shape[1],img.shape[2])
-            QThread.usleep(100000)
+
+                # 显示图像
+
+                # 调用人工智能模块,进行图像识别(处理)
+
+                # img = cv2.GaussianBlur(img, (3, 3), 2.0)
+
+                img = cv2.filter2D(img, -1, kernel, delta=200.0)
+
+                # 2. 发送信号
+
+                self.sig_video.emit(img.tobytes(), img.shape[0], img.shape[1], img.shape[2])
+
+            QThread.usleep(100000)  # 1000000微秒 = 1秒
+
+    
+
+    def close(self):
+
+        # 停止多任务
+
+        self.isOver = True
+
+        while self.isRunning():
+
+            pass
+
+
+
+        print("线程终止")
+
+        # 释放设备
+
+        self.cam.release()
+
+        print("设备释放")

BIN
day05/jkapp/frame/__pycache__/win.cpython-39.pyc


+ 4 - 1
day05/jkapp/frame/win.py

@@ -19,4 +19,7 @@ class Win(QDialog):
         q_img = QImage(data, w, h, w * c,QImage.Format_BGR888)  
         pix_img = QPixmap.fromImage(q_img)
         self.ui.duo.setPixmap(pix_img)
-        self.ui.duo.setScaledContents(True)
+        self.ui.duo.setScaledContents(True)
+    def closeEvent(self,e):
+        self.dev.close()
+        print("窗口关闭")    

+ 4 - 1
day05/jkapp/main.py

@@ -1,4 +1,7 @@
+import PyQt5.QtCore
 from frame.app import App
-
+PyQt5.QtCore.QCoreApplication.setAttribute(PyQt5.QtCore.Qt.AA_EnableHighDpiScaling)
 app =App()
 app.exec()
+
+print("程序正常终止")