def data_matrix_demo(cap):
window_name = "Data Matrix Detector"
frame_number = 0
need_to_save = False
while 1:
ret, frame = cap.read()
if not ret:
break
gray = cv2.cvtColor(frame, cv2.COLOR_RGB2GRAY)
codes, corners, dmtx = cv2.findDataMatrix(gray)
cv2.drawDataMatrixCodes(frame, codes, corners)
cv2.imshow(window_name, frame)
key = cv2.waitKey(30)
c = chr(key & 255)
if c in ['q', 'Q', chr(27)]:
break
if c == ' ':
need_to_save = True
if need_to_save and codes:
filename = ("datamatrix%03d.jpg" % frame_number)
cv2.imwrite(filename, frame)
print "Saved frame to " + filename
need_to_save = False
frame_number += 1
def data_matrix_demo(cap):
window_name = "Data Matrix Detector"
frame_number = 0
need_to_save = False
while 1:
ret, frame = cap.read()
if not ret:
break
gray = cv2.cvtColor(frame, cv2.COLOR_RGB2GRAY)
codes, corners, dmtx = cv2.findDataMatrix(gray)
cv2.drawDataMatrixCodes(frame, codes, corners)
cv2.imshow(window_name, frame)
key = cv2.waitKey(30)
c = chr(key & 255)
if c in ['q', 'Q', chr(27)]:
break
if c == ' ':
need_to_save = True
if need_to_save and codes:
filename = ("datamatrix%03d.jpg" % frame_number)
cv2.imwrite(filename, frame)
print "Saved frame to " + filename
need_to_save = False
frame_number += 1
print 'Cannot initialize vide capture'
sys.exit(-1)
while(1):
count += 1
ret, frame1 = cap.read()
if not ret:
break;
ret, frame2 = cap.read()
if not ret:
break;
gray = cv2.cvtColor(frame1, cv2.COLOR_RGB2GRAY)
codes, corners, dmtx = cv2.findDataMatrix(gray)
cv2.drawDataMatrixCodes(frame1, codes, corners)
cv2.imshow('ShowFrame', frame1)
absFrame = cv2.absdiff(frame1, frame2)
cv2.imshow('absFrame', absFrame)
ret, thresholdFrame = cv2.threshold(absFrame, sensitivity_value
,255, cv2.THRESH_BINARY)
for i in xrange(1,6,2):
thresholdFrame = cv2.blur(thresholdFrame,(i,i))
ret, thresholdFrame = cv2.threshold(absFrame, sensitivity_value
,255, cv2.THRESH_BINARY)