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bugfix

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This commit is contained in:
yumoqing 2020-10-05 10:29:55 +08:00
parent 80bcc429f4
commit ad07888209
2 changed files with 6 additions and 4 deletions
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9
kivyblocks/kivycamera.py
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@ -38,13 +38,13 @@ class KivyCamera(Image):
size = set_res(self.capture,self.width,self.height) size = set_res(self.capture,self.width,self.height)
print(size) print(size)
def add_face_detech(self,frame): def add_face_detect(self,frame):
frameGray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) frameGray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
faces = self.faceCascade.detectMultiScale(frameGray, faces = self.faceCascade.detectMultiScale(frameGray,
scaleFactor = 1.2, minNeighbors = 5) scaleFactor = 1.2, minNeighbors = 5)
print('add_face_detect(): faces=',faces)
# THIS LINE RAISE ERROR # THIS LINE RAISE ERROR
# faces = self.faceCascade.detectMultiScale(frameGray, 1.1, 4) # faces = self.faceCascade.detectMultiScale(frameGray, 1.1, 4)
# cv2.error: OpenCV(4.2.0) C:\projects\opencv-python\opencv\modules\objdetect\src\cascadedetect.cpp:1689: error: (-215:Assertion failed) !empty() in function 'cv::CascadeClassifier::detectMultiScale'
for (x, y, w, h) in faces: # added for (x, y, w, h) in faces: # added
cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 0, 0), 2) cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 0, 0), 2)
return frame return frame
@ -63,8 +63,9 @@ class KivyCamera(Image):
interpolation=cv2.INTER_LINEAR) interpolation=cv2.INTER_LINEAR)
if self.faceCascade: if self.faceCascade:
try: try:
frame = self.add_face_detech(frame) frame = self.add_face_detect(frame)
except: except Exception as e:
print('Error, e=',e)
pass pass
# convert it to texture # convert it to texture
buf1 = cv2.flip(frame, 0) buf1 = cv2.flip(frame, 0)

1
kivyblocks/newvideo.py
View File

@ -21,6 +21,7 @@ class NewVideo(Video):
self.ffplayer = self._video._ffplayer self.ffplayer = self._video._ffplayer
def on_state(self,*args): def on_state(self,*args):
print('new state = ',self.state)
if self.state == 'play': if self.state == 'play':
Window.allow_screensaver = False Window.allow_screensaver = False
else: else: