Having problem in barcodescanner in python3











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from __future__ import print_function
import pyzbar.pyzbar as pyzbar
import numpy as np
import cv2

def decode(im) :
# Find barcodes and QR codes
decodedObjects = pyzbar.decode(im)

# Print results
for obj in decodedObjects:
print('Type : ', obj.type)
print('Data : ', obj.data,'n')

return decodedObjects


# Display barcode and QR code location
def display(im, decodedObjects):

# Loop over all decoded objects
for decodedObject in decodedObjects:
points = decodedObject.polygon

# If the points do not form a quad, find convex hull
if len(points) > 4 :
hull = cv2.convexHull(np.array([point for point in points], dtype=np.float32))
hull = list(map(tuple, np.squeeze(hull)))
else :
hull = points;

# Number of points in the convex hull
n = len(hull)

# Draw the convext hull
for j in range(0,n):
cv2.line(im, hull[j], hull[ (j+1) % n], (255,0,0), 3)

# Display results
cv2.imshow("Results", im);
cv2.waitKey(0);


# Main
if __name__ == '__main__':

# Read image
im = cv2.imread('zbar-test.jpg')

decodedObjects = decode(im)
display(im, decodedObjects)









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  • 1




    The normal form is to explain what your problem is including the full error stack trace, rather than just dumping your code with no explanation
    – EdChum
    Nov 20 at 10:51






  • 1




    Please edit your post and paste the stack error
    – Marcos Riveros
    Nov 20 at 10:56















up vote
-2
down vote

favorite












from __future__ import print_function
import pyzbar.pyzbar as pyzbar
import numpy as np
import cv2

def decode(im) :
# Find barcodes and QR codes
decodedObjects = pyzbar.decode(im)

# Print results
for obj in decodedObjects:
print('Type : ', obj.type)
print('Data : ', obj.data,'n')

return decodedObjects


# Display barcode and QR code location
def display(im, decodedObjects):

# Loop over all decoded objects
for decodedObject in decodedObjects:
points = decodedObject.polygon

# If the points do not form a quad, find convex hull
if len(points) > 4 :
hull = cv2.convexHull(np.array([point for point in points], dtype=np.float32))
hull = list(map(tuple, np.squeeze(hull)))
else :
hull = points;

# Number of points in the convex hull
n = len(hull)

# Draw the convext hull
for j in range(0,n):
cv2.line(im, hull[j], hull[ (j+1) % n], (255,0,0), 3)

# Display results
cv2.imshow("Results", im);
cv2.waitKey(0);


# Main
if __name__ == '__main__':

# Read image
im = cv2.imread('zbar-test.jpg')

decodedObjects = decode(im)
display(im, decodedObjects)









share|improve this question




















  • 1




    The normal form is to explain what your problem is including the full error stack trace, rather than just dumping your code with no explanation
    – EdChum
    Nov 20 at 10:51






  • 1




    Please edit your post and paste the stack error
    – Marcos Riveros
    Nov 20 at 10:56













up vote
-2
down vote

favorite









up vote
-2
down vote

favorite











from __future__ import print_function
import pyzbar.pyzbar as pyzbar
import numpy as np
import cv2

def decode(im) :
# Find barcodes and QR codes
decodedObjects = pyzbar.decode(im)

# Print results
for obj in decodedObjects:
print('Type : ', obj.type)
print('Data : ', obj.data,'n')

return decodedObjects


# Display barcode and QR code location
def display(im, decodedObjects):

# Loop over all decoded objects
for decodedObject in decodedObjects:
points = decodedObject.polygon

# If the points do not form a quad, find convex hull
if len(points) > 4 :
hull = cv2.convexHull(np.array([point for point in points], dtype=np.float32))
hull = list(map(tuple, np.squeeze(hull)))
else :
hull = points;

# Number of points in the convex hull
n = len(hull)

# Draw the convext hull
for j in range(0,n):
cv2.line(im, hull[j], hull[ (j+1) % n], (255,0,0), 3)

# Display results
cv2.imshow("Results", im);
cv2.waitKey(0);


# Main
if __name__ == '__main__':

# Read image
im = cv2.imread('zbar-test.jpg')

decodedObjects = decode(im)
display(im, decodedObjects)









share|improve this question















from __future__ import print_function
import pyzbar.pyzbar as pyzbar
import numpy as np
import cv2

def decode(im) :
# Find barcodes and QR codes
decodedObjects = pyzbar.decode(im)

# Print results
for obj in decodedObjects:
print('Type : ', obj.type)
print('Data : ', obj.data,'n')

return decodedObjects


# Display barcode and QR code location
def display(im, decodedObjects):

# Loop over all decoded objects
for decodedObject in decodedObjects:
points = decodedObject.polygon

# If the points do not form a quad, find convex hull
if len(points) > 4 :
hull = cv2.convexHull(np.array([point for point in points], dtype=np.float32))
hull = list(map(tuple, np.squeeze(hull)))
else :
hull = points;

# Number of points in the convex hull
n = len(hull)

# Draw the convext hull
for j in range(0,n):
cv2.line(im, hull[j], hull[ (j+1) % n], (255,0,0), 3)

# Display results
cv2.imshow("Results", im);
cv2.waitKey(0);


# Main
if __name__ == '__main__':

# Read image
im = cv2.imread('zbar-test.jpg')

decodedObjects = decode(im)
display(im, decodedObjects)






python






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edited Nov 20 at 10:51









EdChum

169k32356306




169k32356306










asked Nov 20 at 10:48









Vipin Farswan

1




1








  • 1




    The normal form is to explain what your problem is including the full error stack trace, rather than just dumping your code with no explanation
    – EdChum
    Nov 20 at 10:51






  • 1




    Please edit your post and paste the stack error
    – Marcos Riveros
    Nov 20 at 10:56














  • 1




    The normal form is to explain what your problem is including the full error stack trace, rather than just dumping your code with no explanation
    – EdChum
    Nov 20 at 10:51






  • 1




    Please edit your post and paste the stack error
    – Marcos Riveros
    Nov 20 at 10:56








1




1




The normal form is to explain what your problem is including the full error stack trace, rather than just dumping your code with no explanation
– EdChum
Nov 20 at 10:51




The normal form is to explain what your problem is including the full error stack trace, rather than just dumping your code with no explanation
– EdChum
Nov 20 at 10:51




1




1




Please edit your post and paste the stack error
– Marcos Riveros
Nov 20 at 10:56




Please edit your post and paste the stack error
– Marcos Riveros
Nov 20 at 10:56

















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