pythoncode-tutorials/general/barcode-reader/barcode_reader.py at master · hulinhui-code/pythoncode-tutorials · GitHub

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frompyzbarimportpyzbar
importcv2


defdecode(image):
# decodes all barcodes from an image
decoded_objects=pyzbar.decode(image)
forobjindecoded_objects:
# draw the barcode
print("detected barcode:", obj)
image=draw_barcode(obj, image)
# print barcode type & data
print("Type:", obj.type)
print("Data:", obj.data)
print()

returnimage


defdraw_barcode(decoded, image):
# n_points = len(decoded.polygon)
# for i in range(n_points):
# image = cv2.line(image, decoded.polygon[i], decoded.polygon[(i+1) % n_points], color=(0, 255, 0), thickness=5)
# uncomment above and comment below if you want to draw a polygon and not a rectangle
image=cv2.rectangle(image, (decoded.rect.left, decoded.rect.top),
 (decoded.rect.left+decoded.rect.width, decoded.rect.top+decoded.rect.height),
color=(0, 255, 0),
thickness=5)
returnimage


if__name__=="__main__":
fromglobimportglob

barcodes=glob("barcode*.png")
forbarcode_fileinbarcodes:
# load the image to opencv
img=cv2.imread(barcode_file)
# decode detected barcodes & get the image
# that is drawn
img=decode(img)
# show the image
cv2.imshow("img", img)
# cv2.imwrite("barcode_detected.png", img)
cv2.waitKey(0)
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frompyzbarimportpyzbar
importcv2


defdecode(image):
# decodes all barcodes from an image
decoded_objects=pyzbar.decode(image)
forobjindecoded_objects:
# draw the barcode
print("detected barcode:", obj)
image=draw_barcode(obj, image)
# print barcode type & data
print("Type:", obj.type)
print("Data:", obj.data)
print()

returnimage


defdraw_barcode(decoded, image):
# n_points = len(decoded.polygon)
# for i in range(n_points):
# image = cv2.line(image, decoded.polygon[i], decoded.polygon[(i+1) % n_points], color=(0, 255, 0), thickness=5)
# uncomment above and comment below if you want to draw a polygon and not a rectangle
image=cv2.rectangle(image, (decoded.rect.left, decoded.rect.top),
 (decoded.rect.left+decoded.rect.width, decoded.rect.top+decoded.rect.height),
color=(0, 255, 0),
thickness=5)
returnimage


if__name__=="__main__":
fromglobimportglob

barcodes=glob("barcode*.png")
forbarcode_fileinbarcodes:
# load the image to opencv
img=cv2.imread(barcode_file)
# decode detected barcodes & get the image
# that is drawn
img=decode(img)
# show the image
cv2.imshow("img", img)
# cv2.imwrite("barcode_detected.png", img)
cv2.waitKey(0)
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frompyzbarimportpyzbar
importcv2


defdecode(image):
# decodes all barcodes from an image
decoded_objects=pyzbar.decode(image)
forobjindecoded_objects:
# draw the barcode
print("detected barcode:", obj)
image=draw_barcode(obj, image)
# print barcode type & data
print("Type:", obj.type)
print("Data:", obj.data)
print()

returnimage


defdraw_barcode(decoded, image):
# n_points = len(decoded.polygon)
# for i in range(n_points):
# image = cv2.line(image, decoded.polygon[i], decoded.polygon[(i+1) % n_points], color=(0, 255, 0), thickness=5)
# uncomment above and comment below if you want to draw a polygon and not a rectangle
image=cv2.rectangle(image, (decoded.rect.left, decoded.rect.top),
 (decoded.rect.left+decoded.rect.width, decoded.rect.top+decoded.rect.height),
color=(0, 255, 0),
thickness=5)
returnimage


if__name__=="__main__":
fromglobimportglob

barcodes=glob("barcode*.png")
forbarcode_fileinbarcodes:
# load the image to opencv
img=cv2.imread(barcode_file)
# decode detected barcodes & get the image
# that is drawn
img=decode(img)
# show the image
cv2.imshow("img", img)
# cv2.imwrite("barcode_detected.png", img)
cv2.waitKey(0)
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frompyzbarimportpyzbar
importcv2


defdecode(image):
# decodes all barcodes from an image
decoded_objects=pyzbar.decode(image)
forobjindecoded_objects:
# draw the barcode
print("detected barcode:", obj)
image=draw_barcode(obj, image)
# print barcode type & data
print("Type:", obj.type)
print("Data:", obj.data)
print()

returnimage


defdraw_barcode(decoded, image):
# n_points = len(decoded.polygon)
# for i in range(n_points):
# image = cv2.line(image, decoded.polygon[i], decoded.polygon[(i+1) % n_points], color=(0, 255, 0), thickness=5)
# uncomment above and comment below if you want to draw a polygon and not a rectangle
image=cv2.rectangle(image, (decoded.rect.left, decoded.rect.top),
 (decoded.rect.left+decoded.rect.width, decoded.rect.top+decoded.rect.height),
color=(0, 255, 0),
thickness=5)
returnimage


if__name__=="__main__":
fromglobimportglob

barcodes=glob("barcode*.png")
forbarcode_fileinbarcodes:
# load the image to opencv
img=cv2.imread(barcode_file)
# decode detected barcodes & get the image
# that is drawn
img=decode(img)
# show the image
cv2.imshow("img", img)
# cv2.imwrite("barcode_detected.png", img)
cv2.waitKey(0)
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frompyzbarimportpyzbar
importcv2


defdecode(image):
# decodes all barcodes from an image
decoded_objects=pyzbar.decode(image)
forobjindecoded_objects:
# draw the barcode
print("detected barcode:", obj)
image=draw_barcode(obj, image)
# print barcode type & data
print("Type:", obj.type)
print("Data:", obj.data)
print()

returnimage


defdraw_barcode(decoded, image):
# n_points = len(decoded.polygon)
# for i in range(n_points):
# image = cv2.line(image, decoded.polygon[i], decoded.polygon[(i+1) % n_points], color=(0, 255, 0), thickness=5)
# uncomment above and comment below if you want to draw a polygon and not a rectangle
image=cv2.rectangle(image, (decoded.rect.left, decoded.rect.top),
 (decoded.rect.left+decoded.rect.width, decoded.rect.top+decoded.rect.height),
color=(0, 255, 0),
thickness=5)
returnimage


if__name__=="__main__":
fromglobimportglob

barcodes=glob("barcode*.png")
forbarcode_fileinbarcodes:
# load the image to opencv
img=cv2.imread(barcode_file)
# decode detected barcodes & get the image
# that is drawn
img=decode(img)
# show the image
cv2.imshow("img", img)
# cv2.imwrite("barcode_detected.png", img)
cv2.waitKey(0)
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frompyzbarimportpyzbar
importcv2


defdecode(image):
# decodes all barcodes from an image
decoded_objects=pyzbar.decode(image)
forobjindecoded_objects:
# draw the barcode
print("detected barcode:", obj)
image=draw_barcode(obj, image)
# print barcode type & data
print("Type:", obj.type)
print("Data:", obj.data)
print()

returnimage


defdraw_barcode(decoded, image):
# n_points = len(decoded.polygon)
# for i in range(n_points):
# image = cv2.line(image, decoded.polygon[i], decoded.polygon[(i+1) % n_points], color=(0, 255, 0), thickness=5)
# uncomment above and comment below if you want to draw a polygon and not a rectangle
image=cv2.rectangle(image, (decoded.rect.left, decoded.rect.top),
 (decoded.rect.left+decoded.rect.width, decoded.rect.top+decoded.rect.height),
color=(0, 255, 0),
thickness=5)
returnimage


if__name__=="__main__":
fromglobimportglob

barcodes=glob("barcode*.png")
forbarcode_fileinbarcodes:
# load the image to opencv
img=cv2.imread(barcode_file)
# decode detected barcodes & get the image
# that is drawn
img=decode(img)
# show the image
cv2.imshow("img", img)
# cv2.imwrite("barcode_detected.png", img)
cv2.waitKey(0)
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frompyzbarimportpyzbar
importcv2


defdecode(image):
# decodes all barcodes from an image
decoded_objects=pyzbar.decode(image)
forobjindecoded_objects:
# draw the barcode
print("detected barcode:", obj)
image=draw_barcode(obj, image)
# print barcode type & data
print("Type:", obj.type)
print("Data:", obj.data)
print()

returnimage


defdraw_barcode(decoded, image):
# n_points = len(decoded.polygon)
# for i in range(n_points):
# image = cv2.line(image, decoded.polygon[i], decoded.polygon[(i+1) % n_points], color=(0, 255, 0), thickness=5)
# uncomment above and comment below if you want to draw a polygon and not a rectangle
image=cv2.rectangle(image, (decoded.rect.left, decoded.rect.top),
 (decoded.rect.left+decoded.rect.width, decoded.rect.top+decoded.rect.height),
color=(0, 255, 0),
thickness=5)
returnimage


if__name__=="__main__":
fromglobimportglob

barcodes=glob("barcode*.png")
forbarcode_fileinbarcodes:
# load the image to opencv
img=cv2.imread(barcode_file)
# decode detected barcodes & get the image
# that is drawn
img=decode(img)
# show the image
cv2.imshow("img", img)
# cv2.imwrite("barcode_detected.png", img)
cv2.waitKey(0)
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frompyzbarimportpyzbar
importcv2


defdecode(image):
# decodes all barcodes from an image
decoded_objects=pyzbar.decode(image)
forobjindecoded_objects:
# draw the barcode
print("detected barcode:", obj)
image=draw_barcode(obj, image)
# print barcode type & data
print("Type:", obj.type)
print("Data:", obj.data)
print()

returnimage


defdraw_barcode(decoded, image):
# n_points = len(decoded.polygon)
# for i in range(n_points):
# image = cv2.line(image, decoded.polygon[i], decoded.polygon[(i+1) % n_points], color=(0, 255, 0), thickness=5)
# uncomment above and comment below if you want to draw a polygon and not a rectangle
image=cv2.rectangle(image, (decoded.rect.left, decoded.rect.top),
 (decoded.rect.left+decoded.rect.width, decoded.rect.top+decoded.rect.height),
color=(0, 255, 0),
thickness=5)
returnimage


if__name__=="__main__":
fromglobimportglob

barcodes=glob("barcode*.png")
forbarcode_fileinbarcodes:
# load the image to opencv
img=cv2.imread(barcode_file)
# decode detected barcodes & get the image
# that is drawn
img=decode(img)
# show the image
cv2.imshow("img", img)
# cv2.imwrite("barcode_detected.png", img)
cv2.waitKey(0)