def mplot(img, img2=none):
cv2.namedwindow('img', cv2.window_normal)
cv2.movewindow('img', 600, 300)
cv2.imshow('img', img)
if img2 is not none:
cv2.namedwindow('img2', cv2.window_normal)
cv2.movewindow('img', 600, 600)
cv2.imshow('img2', img2)
cv2.waitkey(0)
cv2.destroyallwindows()
def camera_detector(self, cap, wait=10):
detect_timer = Timer()
ret, _ = cap.read()
while ret:
ret, frame = cap.read()
detect_timer.tic()
result = self.detect(frame)
detect_timer.toc()
print('Average detecting time: {:.3f}s'.format(
detect_timer.average_time))
self.draw_result(frame, result)
cv2.namedwindow('Camera',0)
cv2.imshow('Camera', frame)
cv2.waitKey(wait)
ret, frame = cap.read()
def preview(self, tl, wh):
"""
Preview data in a pop up window live
"""
import cv2
self.action = "preview"
logger.debug("Running preview of camera")
try:
for t_ms, frame in self._camera:
cv2.namedwindow("preview")
cv2.imshow("preview", frame)
cv2.resizeWindow("preview", *wh)
cv2.moveWindow("preview", *tl)
if cv2.waitKey(10) & 0xFF == ord('q'):
break
except KeyboardInterrupt:
return 0
return 0
#Need to work on it code for usb webcamera raspberry pi
import cv2
cam = cv2.VideoCapture(0)
img = cam.read()
cv2.namedwindow("camera", cv2.CV_WINDOW_AUTOSIZE)
cv2.imshow("camera", img)
cv2.waitKey(0)
cv2.destroywindow("camera")
#read image from file
img = cv2.imread(lena.bnp)
gray_image = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
out=img.copy()
#get width and height
width, height = gray_img.shape[:2]
x=5
y=5
print(gray_image[x-1:x+2,y-1:y+2])
print(gray_image[x-1:x+2,y-1:y+2].sum())
print(int(gray_image[x-1:x+2,y-1:y+2].sum()/9)
for x in range(1, width-2):
for y in range(1, height-2):
out[x,y] = int(gray_image[x-1:x+2,y-1:y+2].sum()/9)
for x in range(1, width-2):
for y in range(1, height-2):
out2[x,y] = np.median(gray_image[x-1:x+2,y-1:y+2])
#display image
cv2.namedwindow('Mean', cv2.WINDOW_NORMAL)
cv2.imshow('Mean',out)
#display image
cv2.namedwindow('Median', cv2.WINDOW_NORMAL)
cv2.imshow('Median',out)
cv2.waitKey(0) #waits for any keyboard event
def createwindow(self):
cv2.namedwindow(self.windowname)
self.iswindowcreated = True