本文整理汇总了Python中cv2.COLOR_BGR2RGBA属性的典型用法代码示例。如果您正苦于以下问题:Python cv2.COLOR_BGR2RGBA属性的具体用法?Python cv2.COLOR_BGR2RGBA怎么用?Python cv2.COLOR_BGR2RGBA使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类cv2
的用法示例。
在下文中一共展示了cv2.COLOR_BGR2RGBA属性的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: getLicensePlateNumber
# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import COLOR_BGR2RGBA [as 别名]
def getLicensePlateNumber(filer):
try:
js = api.recognize_file(filer, secret_key, country, recognize_vehicle=recognize_vehicle, state=state, return_image=return_image, topn=topn, prewarp=prewarp)
js=js.to_dict()
#js=list(str(js))
X1=js['results'][0]['coordinates'][0]['x']
Y1=js['results'][0]['coordinates'][0]['y']
X2=js['results'][0]['coordinates'][2]['x']
Y2=js['results'][0]['coordinates'][2]['y']
img=cv2.imread(filer)
rimg=img[Y1:Y2,X1:X2]
frame3=rimg
img3 = Image.fromarray(frame3)
w,h=img3.size
asprto=w/h
frame3=cv2.resize(frame3,(150,int(150/asprto)))
cv2image3 = cv2.cvtColor(frame3, cv2.COLOR_BGR2RGBA)
img3 = Image.fromarray(cv2image3)
imgtk3 = ImageTk.PhotoImage(image=img3)
display4.imgtk = imgtk3 #Shows frame for display 1
display4.configure(image=imgtk3)
display5.configure(text=js['results'][0]['plate'])
except ApiException as e:
print("Exception: \n", e)
示例2: checkRedLightCrossed
# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import COLOR_BGR2RGBA [as 别名]
def checkRedLightCrossed(img):
global count
for v in vehicles:
if v.crossed==False and len(v.points)>=2:
x1,y1=v.points[0]
x2,y2=v.points[-1]
if y1>yl3 and y2<yl3:
count+=1
v.crossed=True
bimg=img[int(v.rect[1]):int(v.rect[1]+v.rect[3]), int(v.rect[0]):int(v.rect[0]+v.rect[2])]
frame2=bimg
img2 = Image.fromarray(frame2)
w,h=img2.size
asprto=w/h
frame2=cv2.resize(frame2,(250,int(250/asprto)))
cv2image2 = cv2.cvtColor(frame2, cv2.COLOR_BGR2RGBA)
img2 = Image.fromarray(cv2image2)
imgtk2 = ImageTk.PhotoImage(image=img2)
display2.imgtk = imgtk2 #Shows frame for display 1
display2.configure(image=imgtk2)
#cv2.imshow('BROKE',bimg)
name='Rule Breakers/culprit'+str(time.time())+'.jpg'
cv2.imwrite(name,bimg)
tstop = threading.Event()
thread = threading.Thread(target=getLicensePlateNumber, args=(name,))
thread.daemon = True
thread.start()
#cv2.imwrite('culprit.png',bimg)
#display3.configure(text=count)
示例3: checkSpeed
# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import COLOR_BGR2RGBA [as 别名]
def checkSpeed(ftime,img):
for v in vehicles:
if v.speedChecked==False and len(v.points)>=2:
x1,y1=v.points[0]
x2,y2=v.points[-1]
if y2<yl1 and y2>yl3 and v.entered==False:
v.enterTime=ftime
v.entered=True
elif y2<yl3 and y2 > yl5 and v.exited==False:
v.exitTime=ftime
v.exited==False
v.speedChecked=True
speed=60/(v.exitTime-v.enterTime)
print(speed)
bimg=img[int(v.rect[1]):int(v.rect[1]+v.rect[3]), int(v.rect[0]):int(v.rect[0]+v.rect[2])]
frame2=bimg
img2 = Image.fromarray(frame2)
w,h=img2.size
asprto=w/h
frame2=cv2.resize(frame2,(250,int(250/asprto)))
cv2image2 = cv2.cvtColor(frame2, cv2.COLOR_BGR2RGBA)
img2 = Image.fromarray(cv2image2)
imgtk2 = ImageTk.PhotoImage(image=img2)
display2.imgtk = imgtk2 #Shows frame for display 1
display2.configure(image=imgtk2)
display3.configure(text=str(speed)[:5]+'Km/hr')
if speed>60:
#cv2.imshow('BROKE',bimg)
name='Rule Breakers/culprit'+str(time.time())+'.jpg'
cv2.imwrite(name,bimg)
tstop = threading.Event()
thread = threading.Thread(target=getLicensePlateNumber, args=(name,))
thread.daemon = True
thread.start()
示例4: convert_channel_from_bgr
# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import COLOR_BGR2RGBA [as 别名]
def convert_channel_from_bgr(img, num_channels):
if num_channels in [0, 1]:
img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
if num_channels == 1:
img = img[..., np.newaxis]
return img
elif num_channels in [-1, 3]: # BGR => RGB
return cv2.cvtColor(img, cv2.COLOR_BGR2RGB, dst=img)
elif num_channels == 4: # BGR => RGBA
return cv2.cvtColor(img, cv2.COLOR_BGR2RGBA)
raise ValueError("num_channels must be [-1, 0, 1, 3, 4]")
示例5: _build_final_image
# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import COLOR_BGR2RGBA [as 别名]
def _build_final_image(self, image):
"""See upper class description.
"""
if self._overlay_image:
overlay = cv2.cvtColor(cv2.imread(self._overlay_image, cv2.IMREAD_UNCHANGED), cv2.COLOR_BGR2RGBA)
overlay, _, _ = self._image_resize_keep_ratio(overlay, self.width, self.height, True)
# Fix the overlay. Why we have to do this? If we don't, pixels are marked
# as opaque when they shouldn't be. See:
# https://www.pyimagesearch.com/2016/04/25/watermarking-images-with-opencv-and-python
RR, GG, BB, A = cv2.split(overlay)
RR = cv2.bitwise_and(RR, RR, mask=A)
GG = cv2.bitwise_and(GG, GG, mask=A)
BB = cv2.bitwise_and(BB, BB, mask=A)
overlay = cv2.merge([RR, GG, BB, A])
# Add an extra dimension to the image (i.e., the alpha transparency)
if image.shape[2] == 3:
image = cv2.cvtColor(image, cv2.COLOR_RGB2RGBA)
# Now create a mask of overlay and create its inverse mask also
img2gray = cv2.cvtColor(overlay, cv2.COLOR_RGB2GRAY)
_ret, mask = cv2.threshold(img2gray, 30, 255, cv2.THRESH_BINARY)
mask_inv = cv2.bitwise_not(mask)
# Now black-out the area of overlay in ROI (ie image)
img1_bg = cv2.bitwise_and(image, image, mask=mask_inv)
# Take only region of overlay from overlay image
img2_fg = cv2.bitwise_and(overlay, overlay, mask=mask)
# Generate the main image
image = cv2.add(img1_bg, img2_fg)
# Remove alpha dimension
image = cv2.cvtColor(image, cv2.COLOR_RGBA2RGB)
return Image.fromarray(image)
示例6: extractSkin
# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import COLOR_BGR2RGBA [as 别名]
def extractSkin(image):
# Taking a copy of the image
img = image.copy()
# Converting from BGR Colours Space to HSV
img = cv2.cvtColor(img,cv2.COLOR_BGR2HSV)
# Defining HSV Threadholds
lower_threshold = np.array([0, 48, 80], dtype=np.uint8)
upper_threshold = np.array([20, 255, 255], dtype=np.uint8)
# Single Channel mask,denoting presence of colours in the specified threshold
skinMask = cv2.inRange(img,lower_threshold,upper_threshold)
# Cleaning up mask using Gaussian Filter
skinMask = cv2.GaussianBlur(skinMask,(3,3),0)
# Extracting skin from the threshold mask
skin = cv2.bitwise_and(img,img,mask=skinMask)
# Converting the image back to BRG color space
img = cv2.cvtColor(skin,cv2.COLOR_HSV2BGR)
# Observed BGR to RGBA conversion gives a more appropriate color tint that opencv colormask options
# Added alpha channel to convert black pixels transparent and overlap (WIP)
img_a = cv2.cvtColor(img, cv2.COLOR_BGR2RGBA)
# Return the Skin image
return img_a
示例7: main
# 需要导入模块: import cv2 [as 别名]
# 或者: from cv2 import COLOR_BGR2RGBA [as 别名]
def main(sess=sesser):
'''global masterframe
global started'''
if True:
fTime=time.time()
_,image_np=cap.read(0)
#image_np = imutils.resize(image_np, width=400)
# Definite input and output Tensors for detection_graph
# Expand dimensions since the model expects images to have shape: [1, None, None, 3]
image_np_expanded = np.expand_dims(image_np, axis=0)
# Actual detection.
(boxes, scores, classes, num) = sess.run(
[detection_boxes, detection_scores, detection_classes, num_detections],
feed_dict={image_tensor: image_np_expanded})
# Visualization of the results of a detection.
img=image_np
imgF,coords=vis_util.visualize_boxes_and_labels_on_image_array(
image_np,
np.squeeze(boxes),
np.squeeze(classes).astype(np.int32),
np.squeeze(scores),
category_index,
use_normalized_coordinates=True,
line_thickness=2)
matchVehicles(coords,im_width,im_height,imgF)
checkRedLightCrossed(imgF)
checkSpeed(fTime,img)
for v in vehicles:
if v.getTracking()==True:
for p in v.getPoints():
cv2.circle(image_np,p,3,(200,150,75),6)
#print(ymin*im_height,xmin*im_width,ymax*im_height,xmax*im_width)
#cv2.rectangle(image_np,(int(xmin*im_width),int(ymin*im_height)),(int(xmax*im_width),int(ymax*im_height)),(255,0,0),2)
cv2.line(image_np, (int(xl1),int(yl1)), (int(xl2),int(yl2)), (0,255,0),3)
cv2.line(image_np, (int(xl3),int(yl3)), (int(xl4),int(yl4)), (0,0,255),3)
cv2.line(image_np, (int(xl5),int(yl5)), (int(xl6),int(yl6)), (255,0,0),3)
VideoFileOutput.write(image_np)
#print('yola')
frame=cv2.resize(image_np,(1020,647))
cv2image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGBA)
img = Image.fromarray(cv2image)
imgtk = ImageTk.PhotoImage(image=img)
display1.imgtk = imgtk #Shows frame for display 1
display1.configure(image=imgtk)
window.after(1, main)