def process_tube(tube_dict):
global badcount
tube_img = tube_dict['image']
if SHOW_IMAGES:
cv2.imshow('tube', tube_img)
if not tube_img.shape or tube_img.shape[0] < 50 or tube_img.shape[1] < 50:
del tube_dict['image']
tube_dict['data'] = None
return tube_dict
#if there aren't many contours this is probably an empty well, so don't waste time
#trying to process it
tube_thr = cv2.adaptiveThreshold(tube_img,255,cv2.ADAPTIVE_THRESH_GAUSSIAN_C,\
cv2.THRESH_BINARY,301,0)
#print('done with adaptive threshold')
tube_erode = cv2.erode(tube_thr, tube_erosion_kernel, iterations=1)
#print('eroded tube')
contours, _ = cv2.findContours(tube_erode, cv2.RETR_EXTERNAL,
cv2.CHAIN_APPROX_SIMPLE)
if len(contours) < MIN_CONTOURS_IN_MATRIX:
del tube_dict['image']
tube_dict['data'] = None
return tube_dict
data = process_matrix(tube_img, HARRIS_BLOCK_SIZE, HARRIS_THRESH_FACTOR)
if not data:
#if this failed, just run on uncropped tube
data = decode(tube_img)
if not data:
#try again, but adaptive threshold
rack_blur = cv2.GaussianBlur(tube_img, (5, 5), 0)
tube_thr = cv2.adaptiveThreshold(rack_blur,255,cv2.ADAPTIVE_THRESH_GAUSSIAN_C,\
cv2.THRESH_BINARY_INV,301,\
FAILSAFE_ADAPTIVE_THRESH_FACTOR)
data = decode(tube_thr)
if not data:
#try again, but threshold tube
_, tube_thr = cv2.threshold(
tube_img, FAILSAFE_THRESH_FACTOR * tube_img.max(), 255,
cv2.THRESH_BINARY)
data = decode(tube_thr)
#finally, if it really couldn't find it
if not data:
badcount += 1
cv2.imwrite(f'images/badkek{badcount}.jpg', tube_img)
#don't need image anymore, but do want result of decode
del tube_dict['image']
tube_dict['data'] = int(data[0].data) if data else None
return tube_dict
def readDMX(cls):
offset = [96,69]
# Create a new plot
figure = pyplot.figure()
axes = mplot3d.Axes3D(figure, proj_type = 'ortho')
# Load the STL files and add the vectors to the plot
extractedCode = mesh.Mesh.from_file('../stl/extractedCode.stl', calculate_normals = False)
extractedCode.rotate([0,0,1],math.radians(-offset[1]))
extractedCode.rotate([1,0,0],math.radians(-offset[0]))
axes.add_collection3d(mplot3d.art3d.Poly3DCollection(extractedCode.vectors, facecolors='black', edgecolors='black'))
# Auto scale to the mesh size
scale = extractedCode.points.flatten(-1)
axes.auto_scale_xyz(scale, scale, scale)
# axes.autoscale()
axes.view_init(elev=90, azim=0)
# Show the plot to the screen
# pyplot.show(figure)
figure.savefig('../images/scannedSTL.png')
result = str(decode(cv2.imread('../images/scannedSTL.png'))[0][0])
result = re.findall("\d{2}",result)
cls.mod = int(result[0])
print(cls.mod)
cls.multi = int(result[1])
print(cls.multi)
def scanImage(file_path):
with open(file_path, 'rb') as image_file:
image = Image.open(image_file)
image.load()
# Scan the image for barcodes
# Returns a "Fail" string or a string number if successful
try:
codes = decode(image)
if str(codes) == "[]":
# Fail State is []
return "Fail"
else:
# Success State is [Decoded(data=b'1', rect=Rect(left=105, top=92, width=-62, height=-62))]
success_state = str(codes)
print(success_state)
_, usr_id, _ = success_state.split("\'")
print(usr_id)
return usr_id # Only gets called if the value is an string number
except AssertionError:
return "The File is not an image"
def process_frame(self, frame):
""" This method does all the frame processing work """
# Convert to gray
frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
# Invert colors (if needed)
if self.invert is True:
frame = cv2.bitwise_not(frame)
# Figure out dimensions of the frame
height, width = frame.shape[:2]
# Analyze the frame
results = []
results += pyzbar.decode((frame.tobytes(), width, height))
results += pylibdmtx.decode((frame.tobytes(), width, height),
timeout=100)
if len(results):
# logging.debug(f'results: {results}')
for result in results:
# Save result of the barcode capture
self.save_capture(result.data)
return frame
def CodeReader(imname):
print('test on:',imname)
image = cv2.imread(imname)
barcodestemp = decode(image)
if len(barcodestemp)== 0:
# find the barcodes in the image and decode each of the barcodes
barcodes = pyzbar.decode(image)
model = 'QRCODE'
else:
barcodes = barcodestemp
model = 'DATAMATRIX'
for barcode in barcodes:
(x, y, w, h) = barcode.rect
cv2.rectangle(image, (x, y), (x + w, y + h), (0, 0, 255), 2)
info = barcode.data.decode(encoding="GBK", errors="strict")
text = "[Type]: {} \n[Info]: {} ".format(model,info)#UTF-8 不能编码部分中文字符，会提示超出utf-8范围,所以用GBK
cv2.putText(image, info, (x, y - 10), cv2.FONT_HERSHEY_SIMPLEX,
0.5, (0, 0, 255), 2)
print(text)
print('\n')
cv2.imshow('Barcode', image)
cv2.waitKey(0)
def decode(imgcv2):
results = []
try:
st = datetime.datetime.now()
img = Image.fromarray(imgcv2)
if img.mode != 'RGB':
img = img.convert('RGB')
results = pylibdmtx.decode(
img,
timeout=80,
max_count=1,
corrections=3)
end = datetime.datetime.now()
if len(results) > 0:
# print code, end - st
time = end - st
print "time:", str(time)[6:]
except Exception as e:
print("---------------------")
print("Exception args:", e.args)
import traceback
traceback.print_exc()
pass
return results
def get_barcodes(self):
images = pdf2image.convert_from_path(self.j_doc["source"]["document"],
dpi=self.dpi)
area = self.j_doc["source"]["barcode"]["area"]
outdir = self._getOutputDirectory(self.j_doc)
barcodeimages = []
i = 0
for image in images:
i = i + 1
text = decode(image.crop(self._getBarcodeArea(area, image.size)))
file_path = outdir + self._getFilePrefix() + str(i) + ".png"
if len(text) == 1:
barcode = (text[0].data).decode("utf-8")
else:
barcode = None
barcodeimages.append({"file": file_path, "barcode": barcode})
if len(outdir) != 0:
image.save(file_path)
return {"pages": barcodeimages}
def find_code(src):
results = []
resultnames = [
"perspcorrect", "perspthresh", "thresh", "eroded", "dilated",
"rotated1", "rotated2", "original"
]
# orig, rotated, sharp
##### CORRECT ROTATION #####
im = cv2.imread(src)
im = cv2.flip(im, 1)
imp = fix_perspective(im)
grayp = cv2.cvtColor(imp, cv2.COLOR_BGR2GRAY)
gray = cv2.cvtColor(im, cv2.COLOR_BGR2GRAY)
__, tho = cv2.threshold(grayp, 100, 255, 0)
__, th = cv2.threshold(gray, 100, 255, 0)
ker = np.ones((3, 3))
er = cv2.erode(th, ker, iterations=3)
contours = cv2.findContours(er, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)[-2]
contour_sorted = sorted(contours, key=cv2.contourArea)
rect = cv2.minAreaRect(contour_sorted[-2])
#print(rect)
angle = rect[2]
rot = imutils.rotate(im, angle)
rot2 = imutils.rotate(im, angle * -1)
#### THRESHOLD ####
gray = cv2.cvtColor(rot, cv2.COLOR_BGR2GRAY)
__, th1 = cv2.threshold(gray, 100, 255, 0)
#### ERODE ####
ker = np.ones((3, 3))
er = cv2.erode(th1, ker)
### DILATE ####
dil = cv2.dilate(th1, ker)
results.append(cv2.resize(imp, (0, 0), fx=.5, fy=.5))
results.append(cv2.resize(tho, (0, 0), fx=.5, fy=.5))
results.append(cv2.resize(th1, (0, 0), fx=.5, fy=.5))
results.append(cv2.resize(er, (0, 0), fx=.5, fy=.5))
results.append(cv2.resize(dil, (0, 0), fx=.5, fy=.5))
results.append(cv2.resize(rot, (0, 0), fx=.5, fy=.5))
results.append(cv2.resize(rot2, (0, 0), fx=.5, fy=.5))
results.append(cv2.resize(im, (0, 0), fx=.5, fy=.5))
for i, value in enumerate(results):
code = "none"
cv2.imwrite('images/' + resultnames[i] + '.jpg', value)
print("testing " + resultnames[i])
dec = pylibdmtx.decode(value)
if len(dec) > 0:
code = dec[0].data.decode("utf-8")
print(resultnames[i], code)
return code
print(" failed")
async def parse_pdf(file):
codes = []
try:
file_bytes = await file.read()
mat = fitz.Matrix(zoom, zoom)
doc = fitz.open("pdf", file_bytes)
for i, page in enumerate(doc.pages()):
pix = page.getPixmap(matrix=mat, alpha=True)
bytes_image = pix.getImageData("png")
image = Image.open(BytesIO(bytes_image))
for xy in xys:
try:
cropped = image.crop(xy)
t = decode(cropped.convert('L'))[0].data.decode('utf-8')
codes.append(t)
except IndexError:
pass
doc.close()
except Exception as e:
print(e)
return "Error"
return {"codes": codes, "n": len(codes)}
def identify_barcodes(self):
for i in range(len(self.opencv_images)):
print("Identify barcodes")
image_height = self.opencv_images[i].shape[0]
try:
barcodes = pylibdmtx.decode(self.opencv_images[i],
timeout=5000)
except:
logging.debug("pylibdmtx could not be loaded", exc_info=True)
return
self.barcodes.extend(barcodes)
#Add barcode as placehoder
for barcode in barcodes:
print(barcode)
x = barcode.rect.left
y = image_height - barcode.rect.top - barcode.rect.height
h = barcode.rect.height
w = barcode.rect.width
barcode_mask = {
"page": i + 1,
"x": x,
"y": y,
"height": h,
"width": w
}
self.placeholders.append(barcode_mask)
pass
def func_detectData_matrix(self):
var_position = []
tmp_font = cv2.FONT_HERSHEY_PLAIN
var_decodedObjects = pylibdmtx.decode(self.var_img_thred)
self.tmp_img = self.var_img[self.var_y0_2Dcode:self.var_y1_2Dcode,
self.var_x0_2Dcode:self.var_x1_2Dcode]
self.var_strDataMatrix = ""
for obj in var_decodedObjects:
if len(str(obj.data)) != 0:
self.var_strDataMatrix = obj.data.decode('utf-8')
x, y, w, h = obj.rect
cv2.rectangle(self.tmp_img, (x, y), (x + w, y + h),
(0, 0, 255), 2)
cv2.putText(self.tmp_img, self.var_strDataMatrix, (10, 10),
tmp_font, 1, (255, 0, 0), 1)
var_position.append(self.var_x0_2Dcode + x + 0.5 * w)
var_position.append(self.var_y0_2Dcode + y + 0.5 * h)
self.var_img[self.var_y0_2Dcode:self.var_y1_2Dcode,
self.var_x0_2Dcode:self.var_x1_2Dcode] = self.tmp_img
print(self.var_strDataMatrix)
if len(self.var_strDataMatrix) == 0:
self.var_strDataMatrix = "Khong phat hien"
return self.var_strDataMatrix, self.var_img, var_position
def process(self, inframe, outframe):
# Get the next camera image (may block until it is captured) as OpenCV BGR:
inimg = inframe.getCvBGR()
# Start measuring image processing time (NOTE: does not account for input conversion time):
self.timer.start()
# Create dark-gray (value 80) image for the bottom panel, 40 pixels tall:
msgbox = np.zeros((40, inimg.shape[1], 3), dtype = np.uint8) + 80
# Find and decode any DataMatrix symbols:
dec = decode(inimg)
# Draw the results in the input image (which we will copy to output):
y = 13
for d in dec:
cv2.rectangle(inimg, (d.rect.left, d.rect.top), (d.rect.left+d.rect.width-1, d.rect.top+d.rect.height-1),
(255,0,0), 2)
cv2.putText(msgbox, d.data.decode("utf-8"), (3, y), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255,255,255))
y = y + 12
# Create our output image as a copy of the input plus our message box:
outimg = np.vstack((inimg, msgbox))
# Write a title:
cv2.putText(outimg, "JeVois Python DataMatrix", (3, 20), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255,255,255))
# Write frames/s info from our timer into the edge map (NOTE: does not account for output conversion time):
fps = self.timer.stop()
cv2.putText(outimg, fps, (3, inimg.shape[0] - 6), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255,255,255))
# Convert our OpenCv output image to video output format and send to host over USB:
outframe.sendCv(outimg)
def _assert_encoded_data(self, expected_data, encoded):
# Check encoded data
image = Image.frombytes('RGB', (encoded.width, encoded.height),
encoded.pixels)
decoded = decode(image)
self.assertEqual(1, len(decoded))
self.assertEqual(expected_data, decoded[0].data)
def decodeQrDataMatrix(self, img):
d = decode(img)
if len(d) >= 1:
data = d[0].data
dataDecoded = data.decode('utf-8')
return dataDecoded
else:
return "unknown"
def decode_datamatrix(gray, resizeshape, k1, k2):
th, res = cv2.threshold(gray, 0, 255, cv2.THRESH_OTSU)
binary = cv2.resize(res, resizeshape, interpolation=cv2.INTER_NEAREST)
kernel1 = cv2.getStructuringElement(cv2.MORPH_RECT, k1)
kernel2 = cv2.getStructuringElement(cv2.MORPH_RECT, k2)
final = cv2.morphologyEx(binary, cv2.MORPH_DILATE, kernel1, iterations=1)
decode_str = decode(Image.fromarray(final))
if decode_str == []:
finalretry = cv2.morphologyEx(binary,
cv2.MORPH_DILATE,
kernel2,
iterations=1)
decode_str_retry = decode(Image.fromarray(finalretry))
if decode_str_retry == []:
return None
else:
return str(decode_str_retry[0][0])[2:-1]
else:
return str(decode_str[0][0])[2:-1]
def decode(img):
height = img.shape[0]
width = img.shape[1]
code = pylibdmtx.decode(img, **libdmtx_params)
code = code[0].data.decode('utf-8') if code else False
if code and re.match('(\w\w)?\d{10}', code):
return code
else:
return None
def readDataMatrix():
path, dirs, files = next(os.walk("./matrices"))
fileCount = len(files)
file = open("./DecodedText.txt", "w")
finalString = ""
for i in range(0, (fileCount - 2)):
decodeString = str(
decode(Image.open('./matrices/matrix' + str(i) + '.png')))
decodeString = decodeString.replace('\\n', '\n')
finalString += decodeString[16:(16 + splitLength)]
# Special case for last matrix
decodeString = str(
decode(Image.open('./matrices/matrix' + str(fileCount - 2) + '.png')))
decodeString = decodeString.replace('\\n', '\n')
finalString += decodeString[16:len(decodeString) - 50]
file.write(finalString)
file.close()
def decode_thread(pp_more):
#work around becuase skimage no longer returns numpy array and pylibdmtx expects that
well = array(pp_more['well'])
if well.shape[0] > 0 and well.shape[1] > 0:
# try shrink
res = decode(well, timeout=10, shrink=2, max_count=1)
if res and res[0].data.decode().isnumeric():
return {**pp_more['pp'], 'barcode': res[0].data.decode()}
# try defaults
res = decode(well, timeout=10, max_count=1)
if res and res[0].data.decode().isnumeric():
return {**pp_more['pp'], 'barcode': res[0].data.decode()}
# try threshold
res = decode(well, timeout=10, threshold=100, max_count=1)
if res and res[0].data.decode().isnumeric():
return {**pp_more['pp'], 'barcode': res[0].data.decode()}
# give it more time
# try shrink
res = decode(well, timeout=100, shrink=2, max_count=1)
if res and res[0].data.decode().isnumeric():
return {**pp_more['pp'], 'barcode': res[0].data.decode()}
# try defaults
res = decode(well, timeout=100, max_count=1)
if res and res[0].data.decode().isnumeric():
return {**pp_more['pp'], 'barcode': res[0].data.decode()}
# try threshold
res = decode(well, timeout=100, threshold=100, max_count=1)
if res and res[0].data.decode().isnumeric():
return {**pp_more['pp'], 'barcode': res[0].data.decode()}
return {**pp_more['pp'], 'barcode': "failed"}
def scanner(frame):
# try to detect barcode
decoded = pyzbar.decode(frame)
if decoded != []: # scanned barcode
data = str(decoded[0][0])[2:-1]
return data
# try to detect data matrix
decoded = pylibdmtx.decode(frame)
if decoded != []: # scanned dtmx
data = decoded[0][0].decode('utf-8')
return data
return "nothing detected"
def decode_panel(panel):
px, py = panel.size
p = None
for size in [100, 200]:
print(size)
panel_resize = panel.resize((size, int(size * py / px)))
res = decode(panel_resize, max_count=1)
if res and len(res[0].data.decode()) == 10 and res[0].data.decode(
).isnumeric():
p = res[0].data.decode()
return p
return p
def read_datamatrix(self):
datamatrix = self.raw_img[QR_ROW_MIN:QR_ROW_MAX, QR_COL_MIN:QR_COL_MAX]
plt.imshow(datamatrix)
plt.show()
try:
content = pylibdmtx.decode(datamatrix, timeout=QR_TIMEOUT)[0][0]
print 'qr content', content
self.test_id = content[:5]
self.paper_id = content[5:8]
except Exception as e:
print '[WARNING] Cannot decode datamatrix:', e
self.test_id = None
self.paper_id = None
def detect(frame):
##using pylibdmtx
ans = decode(frame)
if len(ans) != 0:
print "Decode 2D Barcode", ans
return True
##using zbar
if len(ans) == 0:
ans = scanner.scan(frame)
if len(ans) == 0:
return False
print "Decode barcode", ans
return True
return False
def __get_datamatrix_data(img):
info = []
for i in range(1, 5):
barcode_x_scale = 1 / i
barcode_image = cv2.resize(img, (0, 0), fx=barcode_x_scale, fy=1)
info = pylibdmtx.decode(barcode_image)
if len(info) == 0:
continue
else:
break
for barcode in info:
return barcode.data.decode("UTF-8")
def lambda_handler(event, context):
image_filename = event['filename']
osr = openslide.open_slide(os.path.join(FS_PATH, image_filename))
# get image id from tiff tags; create output folder
image_id = osr.properties.get(PROPERTY_NAME_APERIO_IMAGEID)
# Extract label and thumbnail images
label = osr.associated_images.get(u'label').convert('RGB')
# decode slide id from 2D Data Matrix barcode in label image
label_data = pylibdmtx.decode(label)
if len(label_data) != 1:
logger.error('Bad label data')
return
slide_id = label_data[0].data.decode('ascii')
# get metadata
width, height = osr.dimensions
scan_date = osr.properties.get(PROPERTY_NAME_APERIO_DATE)
scan_time = osr.properties.get(PROPERTY_NAME_APERIO_TIME)
scan_timezone = osr.properties.get(PROPERTY_NAME_APERIO_TZ)
scandate = datetime.strptime(f'{scan_date} {scan_time} {scan_timezone}',
'%m/%d/%y %H:%M:%S %Z%z')
metadata = {
'Filename':
image_filename.strip(),
'ImageID':
image_id.strip(),
'SlideID':
slide_id.strip(),
'width':
width,
'height':
height,
'ScanDate':
scandate.isoformat(),
'MPP':
osr.properties.get(PROPERTY_NAME_APERIO_MPP),
'AppMag':
osr.properties.get(PROPERTY_NAME_APERIO_APPMAG),
'lastModified':
datetime.now(timezone.utc).isoformat(timespec='milliseconds'),
}
# TODO: put metadata
logger.info(f'Uploaded metadata for {image_filename}')
def get_decoded_value(output_image_file, code_type):
try:
info = []
#bar code
if 'bar' in code_type.lower():
info = pyzbar.decode(Image.open(output_image_file))
#Data Matrix code
if 'matrix' in code_type.lower():
info = pylibdmtx.decode(Image.open(output_image_file))
#converting bytes to string
decoded_value = (info[0].data).decode("utf-8")
return (decoded_value)
except:
return ""
def getScanResult():
QR_Image = getScreenImage()
QRCode = zbar.decode(QR_Image)
DataMatrix = decode(QR_Image)
# print(dir(QRCode), QRCode._len_, QRCode.sizeof(), QRCode.index)
print(QRCode, type(QRCode), QR_Image.data, type(QR_Image))
# 判断数组是否为空，为空则表示未扫描到QRCode二维码
if QRCode:
QR_DATA = (QRCode[0].data).decode('utf-8')
elif DataMatrix:
QR_DATA = (DataMatrix[0].data).decode('utf-8')
else:
QR_DATA = "未识别！！！"
# 弹框提示结果
easygui.msgbox(QR_DATA)
# 将结果自动拷贝到剪切板
pyperclip.copy(QR_DATA)
def ReaderWorker(frame_shared, a_arr, b_arr, camera_width, camera_height):
last_a_update = 0
last_b_update = 0
a_center_y = -1
b_center_y = -1
a_top = -1
b_top = -1
while True:
frame = np.array(frame_shared[:],
dtype=np.uint8).reshape(camera_height, camera_width)
# 5秒間バーコードを検出できなかったら初期化する
if last_a_update + 5 < time.time() or last_b_update + 5 < time.time():
a_center = -1
b_center = -1
ret, preprocessed = cv2.threshold(frame, 170, 255, cv2.THRESH_BINARY)
codedata = decode(preprocessed,
timeout=300,
max_count=2,
shape=DmtxSymbolSize.DmtxSymbolSquareAuto)
for d in codedata:
if d.data == b'A':
a_center = int(d.rect.left + d.rect.width / 2)
a_center_y = camera_height - int(d.rect.top +
d.rect.height / 2)
a_top = camera_height - d.rect.top - d.rect.height
last_a_update = time.time()
if d.data == b'B' or d.data == b'C' or d.data == b'D':
b_center = int(d.rect.left + d.rect.width / 2)
b_center_y = camera_height - int(d.rect.top +
d.rect.height / 2)
b_top = camera_height - d.rect.top - d.rect.height
last_b_update = time.time()
a_arr[0] = a_center
a_arr[1] = a_center_y
a_arr[2] = a_top
b_arr[0] = b_center
b_arr[1] = b_center_y
b_arr[2] = b_top
def extract_pdf_datamatrix(self):
uuid_set = str(uuid.uuid4().fields[-1])[:5]
image_folder = os.path.dirname(self.path)
image_file = os.path.join(image_folder, 'image%s.png' % uuid_set)
pages = Image(filename=self.path)
page = pages.sequence[0] # Check first page
with Image(page) as img:
img.format = 'png'
img.background_color = Color('white')
img.alpha_channel = 'remove'
img.save(filename=image_file)
datamatrix = pylibdmtx.decode(Img.open(image_file))
os.remove(image_file)
return datamatrix and datamatrix[0].data.decode() or False
def Decoding(self):
#
#
#h, w = img.shape[:2]
#result = decode((img[:, :, :1].tobytes(), w, h), timeout = self.timeout)
result = decode(self.img,
timeout=self.timeout,
max_count=self.maxcount)
if result: # Success Decoding
decode_object = result[0]
print("MCR Result : {0}".format(result))
msg = ("Decoded.data = {0}".format(decode_object.data))
return msg
else: # Fail Decoding
msg = ("Decoding Fail !")
return msg
def read_datamatrix(self):
"""
Reads the content datamatrix on the paper.
"""
datamatrix_region = self.thr_img[
DATAMATRIX_REGION[0]:DATAMATRIX_REGION[1],
DATAMATRIX_REGION[2]:DATAMATRIX_REGION[3]]
try:
content = decode(datamatrix_region,
timeout=READ_DATAMATRIX_TIMEOUT)[0][0]
self.test_id = content[:DATAMATRIX_SPLIT]
self.paper_id = content[DATAMATRIX_SPLIT:]
except:
self.test_id = '?????'
self.paper_id = '???'
self.metadata += 'Could not decode datamatrix.\n'
if DEBUG:
print('Test id: %s\tPaper id: %s' % (self.test_id, self.paper_id))