在以下位置找到此示例：https : //groups.google.com/forum/#!topic/kivy-
users/N18DmblNWb0
它将opencv捕获转换为kivy纹理，因此您可以在将其显示到kivy界面之前进行各种cv转换。
__author__ = 'bunkus'from kivy.app import Appfrom kivy.uix.widget import Widgetfrom kivy.uix.boxlayout import BoxLayoutfrom kivy.uix.image import Imagefrom kivy.clock import Clockfrom kivy.graphics.texture import Textureimport cv2class CamApp(App): def build(self): self.img1=Image() layout = BoxLayout() layout.add_widget(self.img1) #opencv2 stuffs self.capture = cv2.VideoCapture(0) cv2.namedWindow("CV2 Image") Clock.schedule_interval(self.update, 1.0/33.0) return layout def update(self, dt): # display image from cam in opencv window ret, frame = self.capture.read() cv2.imshow("CV2 Image", frame) # convert it to texture buf1 = cv2.flip(frame, 0) buf = buf1.tostring() texture1 = Texture.create(size=(frame.shape[1], frame.shape[0]), colorfmt='bgr') #if working on RASPBERRY PI, use colorfmt='rgba' here instead, but stick with "bgr" in blit_buffer. texture1.blit_buffer(buf, colorfmt='bgr', bufferfmt='ubyte') # display image from the texture self.img1.texture = texture1if __name__ == '__main__': CamApp().run() cv2.destroyAllWindows()
