def update(self, dt):
ret, frame = self.capture.read()
if ret:
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
faceCascade = cv2.CascadeClassifier("lbpcascade_frontalface.xml")
faces = faceCascade.detectMultiScale(
gray,
scaleFactor=1.1,
minNeighbors=5,
minSize=(30, 30),
flags = cv2.CASCADE_SCALE_IMAGE
)
for (x, y, w, h) in faces:
cv2.rectangle(frame, (x, y), (x+w, y+h), (0, 255, 0), 2)
buf = cv2.flip(frame, 0).tostring()
image_texture = Texture.create(
size=(frame.shape[1], frame.shape[0]), colorfmt='bgr')
image_texture.blit_buffer(buf, colorfmt='bgr', bufferfmt='ubyte')
cv2.imshow('Frame', frame)
cv2.waitkey(1)
# display image from the texture
self.texture = image_texture
def main():
print("Changes workingular madam.")
path = "temp path 2 image"
ap = argparse.ArgumentParser()
ap.add_argument("-i", "--image", help=path)
args = vars(ap.parse_args())
#loading the image
image = cv2.imread(args["image"])
##defining list of boundaries
#the arrays read backwards and say that RED is from RGB 100, 200 in the first
#array
#of course, we can adjust these boundaries as we like
boundaries = [([17, 15, 100], [50, 56, 200]), ([86, 31, 4], [220, 88, 50]),
([25, 146, 190], [62, 174, 250]),
([103, 86, 65], [145, 133, 128])]
for (lower, upper) in boundaries:
#creating np arrays from the boundaries
lower = np.array(lower, dtype="uint8")
upper = np.array(upper, dtype="uint8")
#finds the colors within the specified boundaries and aplies the mask
mask = cv2.inRange(image, lower, upper)
output = cv2.bitwise_and(image, image, mask=mask)
#show the images
cv2.imshow("images", np.hstack([image, output]))
cv2.waitkey(0)
def colorDetection(imgPath):
# Define color limits to identify with adjustable track bar
cv2.namedWindow("TrackBars")
cv2.resizeWindow("TrackBars", 640, 240)
cv2.createTrackbar("Hue Min", "TrackBars", 0, 179, empty)
cv2.createTrackbar("Hue Max", "TrackBars", 179, 179, empty)
cv2.createTrackbar("Sat Min", "TrackBars", 0, 255, empty)
cv2.createTrackbar("Sat Max", "TrackBars", 255, 255, empty)
cv2.createTrackbar("Val Min", "TrackBars", 0, 255, empty)
cv2.createTrackbar("Val Max", "TrackBars", 255, 255, empty)
while True:
img = cv2.imread(imgPath)
imgHSV = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
hue_min = cv2.getTrackbarPos("Hue Min","TrackBars")
hue_max = cv2.getTrackbarPos("Hue Max", "TrackBars")
sat_min = cv2.getTrackbarPos("Sat Min", "TrackBars")
sat_max = cv2.getTrackbarPos("Sat Max", "TrackBars")
val_min = cv2.getTrackbarPos("Val Min", "TrackBars")
val_max = cv2.getTrackbarPos("Val Max", "TrackBars")
#Color
lower = np.array([hue_min,sat_min,val_min])
upper = np.array([hue_max,sat_max,val_max])
mask = cv2.inRange(imgHSV,lower,upper) #color that you want as white and everything else as white
imgResults = cv2.bitwise_and(img,img,mask=mask)
cv2.imshow("Orig Output", img)
cv2.imshow("HSV Output", imgHSV)
cv2.imshow("Mask Output", mask)
cv2.imshow("Results", imgResults)
cv2.waitkey(1)
def main():
path = "/home/silp150/shreyashi/100307/unprocessed/3T/tfMRI_EMOTION_RL/"
'''os.chdir(path)
img= cv2.imread('image3.png',1)'''
img = cv2.imread(os.path.join(path, 'image.png'), 1)
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
edges = cv2.Laplacian(img,
-1,
ksize=31,
scale=1,
delta=0,
borderType=cv2.BORDER_DEFAULT)
output = [img, edges]
titles = ['original', ' Edges']
for i in range(2):
plt.subplot(1, 2, i + 1)
plt.imshow(output[i], cmap='gray')
plt.title(titles[i])
plt.xticks([])
plt.yticks([])
plt.show()
pdb.set_trace()
cv2.waitkey(0)
def global_threshold(): imgfile = 'document.jpg' img = cv2.imread(imgfile,cv2.IMREAD_GRAYSCALE) r = 600.0 / img.shape[0] dim = (int(img.shape[1]*r),600) img = cv2.resize(img,dim,interpolation = cv2.INTER_AREA) WindowName = "Window" TrackbarName "Threshhold" cv2.namedWindow(WindowName) cv2.createTrackbar(TrackbarName,WindowName,50,255,nothing) Threshold = np.zeros(img.shape.np.uint8) while True: TrackbarPos = cv2.getTrackbarPos(TrackbarName,WindowName) cv2.threshold(img,TrackbarPos, 255, cv2.THRESH_BINARY , Threshold) cv2.imshow(WindowName , Threshold) k = cv2.waitKey(0) if k == 27: cv2.destroyAllWindows() cv2.waitkey(1) break return
def webcam():
face_cascade = cv2.CascadeClassifier(
'C:\\Users\\Aditya chauhan\\AppData\\Local\\Programs\\Python\\Python37\\Lib\\site-packages\\cv2\\data\\haarcascade_frontalface_default.xml'
)
eye_cascade = cv2.CascadeClassifier(
'C:\\Users\\Aditya chauhan\\AppData\\Local\\Programs\\Python\\Python37\\Lib\\site-packages\\cv2\\data\\haarcascade_eye.xml'
)
cap = cv2.VideoCapture(0)
while 1:
ret, img = cap.read()
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray, 1.3, 5)
for (x, y, w, h) in faces:
cv2.rectangle(img, (x, y), (x + w, y + h), (255, 255, 0), 2)
roi_gray = gray[y:y + h, x:x + w]
roi_color = img[y:y + h, x:x + w]
eyes = eye_cascade.detectMultiScale(roi_gray)
for (ex, ey, ew, eh) in eyes:
cv2.rectangle(roi_color, (ex, ey), (ex + ew, ey + eh),
(0, 127, 255), 2)
cv2.imshow('img', img)
k = cv2.waitKey(30) & 0xff
if k == 27:
break
cap.release()
cv2.waitkey(0)
cv2.destroyAllWindows()
def createBlueImg():
width = 512
height = 512
numChannels = 3
img = np.zeros((width, height, numChannels), np.uint8)
img[:] = 255, 0, 0 #blue
cv2.imshow("Output", img)
cv2.waitkey(0)
def createRedCircle():
width = 512
height = 512
numChannels = 3
img = np.zeros((width, height, numChannels), np.uint8)
cv2.circle(img, (256, 256), 50, (0, 0, 255), 2)
cv2.imshow("Output", img)
cv2.waitkey(0)
def show_result(self, color=(255, 0, 0)):
''' draws rectangle arround the detected faces and show result image '''
# Parameters:
# (1) color: the rectangle border-color
for (x, y, w, h) in self.faces:
cv2.rectangle(self.image, (x, y), (x + w, y + h), color, 2)
cv2.imshow("detected", self.image)
cv2.waitkey(0)
def main():
imgpath = "/home/sunil/opencv/imgdataset/lena_color_256.tif"
imgoutput = "/home/sunil/opencv/out.jpg"
img = cv2.imread(imgpath,0)
cv2.imwrite(imgoutput,img)
cv2.imshow("Img",img)
cv2.waitkey(0)
cv2.destroyAllWindows()
def createRedRectange():
width = 512
height = 512
numChannels = 3
img = np.zeros((width, height, numChannels), np.uint8)
cv2.line(img, (0, 0), (250, 350), (0, 0, 255),
cv2.FILLED) #From 0,0 to 250,350 w/ filling
cv2.imshow("Output", img)
cv2.waitkey(0)
def createGreenLine():
width = 512
height = 512
numChannels = 3
img = np.zeros((width, height, numChannels), np.uint8)
cv2.line(img, (0, 0), (img.shape[1], img.shape[0]), (0, 255, 0),
2) #From 0,0 to 512,512 w/ thickness=2
cv2.imshow("Output", img)
cv2.waitkey(0)
def wave_process(input):
if input.shape[2] == 3:
ciffes = pywt.dwtn(input, 'haar')
else:
ciffes = pywt.dwt2(input, 'haar')
for i in range(len(ciffes)):
cv2.imshow(ciffes[i][:, :, 0])
cv2.waitkey(0)
return len(ciffes)
def cropImg(imgPath, newWidth, newHeight):
'''unit of measure: pixel'''
img = cv2.imread(imgPath)
height, width, numChannels = img.shape
imgCropped = img[0:newWidth, newWidth:newHeight]
cv2.imshow("Cropped Output", imgCropped)
cv2.waitkey(0)
def smartCombineImages(imgPath1,imgPath2):
img = cv2.imread(imgPath1)
img2 = cv2.imread(imgPath2)
scale = 0.5
imgStack = stackImages(scale,([img,img2],[img2,img])) #must have same number of cols and rows
cv2.imshow("Vert Output", imgStack)
cv2.waitkey(0)
def dialateImg(imgPath):
# Increase edge thickness
img = cv2.imread(imgPath)
imgCanny = cv2.Canny(img, 100, 100)
kernal = np.ones((5, 5), np.uint8)
imgDialation = cv2.dilate(imgCanny,kernal,iterations=1)
cv2.imshow("Dilated Output", imgDialation)
cv2.waitkey(0)
def addText2Img():
width = 512
height = 512
numChannels = 3
img = np.zeros((width, height, numChannels), np.uint8)
cv2.putText(img, "HELLO WORLD", (300, 100), cv2.FONT_HERSHEY_COMPLEX, 1,
(0, 255, 0), 3) #scale = 1
cv2.imshow("Output", img)
cv2.waitkey(0)
def mplot(img, img2=none):
cv2.namedwindow('img', cv2.window_normal)
cv2.movewindow('img', 600, 300)
cv2.imshow('img', img)
if img2 is not none:
cv2.namedwindow('img2', cv2.window_normal)
cv2.movewindow('img', 600, 600)
cv2.imshow('img2', img2)
cv2.waitkey(0)
cv2.destroyallwindows()
def getphoto(cap):
ret, frame = cap.read()
tmp = 0
while (not ret):
ret, frame = cap.read()
tmp += 1
cv2.waitkey(10)
if (tmp > 100):
print('Can\'t get photo')
return
return frame
def erodeImg(imgPath):
# Decrease edge thickness
img = cv2.imread(imgPath)
imgCanny = cv2.Canny(img, 100, 100)
kernal = np.ones((5, 5), np.uint8)
imgDialation = cv2.dilate(imgCanny, kernal, iterations=1)
imgEroded = cv2.erode(imgDialation,kernal,iterations=1)
cv2.imshow("Eroded Output", imgEroded)
cv2.waitkey(0)
def resizeImg(imgPath, newWidth, newHeight):
'''unit of measure: pixel'''
img = cv2.imread(imgPath)
height, width, numChannels = img.shape
imgResize = cv2.resize(img, (newWidth, newHeight))
cv2.imshow("Resized Output", imgResize)
print("Change in height is:", height - newHeight, ". Change in width is:",
width - newWidth)
cv2.waitkey(0)
def image_verification(image):
# read in the image
image = cv.imread('filename.jpg')
# applying Gaussian blur to the image to remove noise
gray_image = cv.cvtColor(image, cv.COLOR_RGB2GRAY)
blur = cv.GaussianBlur(gray_image, (5, 5), 0)
# display the image that has had noise removed
cv.imshow('result', blur)
cv.waitkey(0)
def feature12():
image = load_image(filename='image.jpg')
plot_image(image)
layer_tensor = model.layer_tensors[12]
img_result = recursive_optimize(layer_tensor=layer_tensor, image=image, # only maximizing 6th layer feauters
num_iterations=10, step_size=3.0, rescale_factor=0.7,
num_repeats=4, blend=0.2)
save_image(img_result, filename='transformed.png')
image = cv2.imread("transformed.png",1)
cv2.imshow("Wavy",image)
cv2.waitkey(0)
def warpProspectiveImg(imgPath):
#Takes in a set of cards from a slanted angle and returns one of the cards top down
img = cv2.imread(imgPath)
#Define all points of imgase slection
width, height = 250,350
pts1 = np.float32([[111,219],[287,188],[154,482],[352,440]])
pts2 = np.float32([[0,0],[width,0],[0,height],[width,height]])
matrix = cv2.getPerspectiveTransform(pts1,pts2)
imgOut = cv2.warpPerspective(img,matrix,(width,height))
cv2.imshow("Warped Output", imgOut)
cv2.waitkey(0)
def getImages (path):
ImagePaths = [os.path.join(path,f) for i in os.listdir(path)]
FaceList = []
IDs =[]
for ImagePath in ImagePaths: #Imports images from dataset and saves them into a numpy array and then into a list... IDs are stored in anpther list
faceImage = faceImage.resize((110,110)) # resizes images so EIgenface recognizer can use
faceImage = Image.open(imagePath).convert('L') # opens a single image and converts it to grayscale
faceNP = np.array(faceImage,'unit8') #changes the image into numpy array
ID = int(os.path.split(imagePath)[-1].split('.')[1]) #ID of the array
IDs.append(ID) # adds ID to the list of IDS
FaceList.append(faceNP) #adds the array to the list
cv2.imshow('Trainingset', faceNP) #shows all the images in the list
cv2.waitkey(1)
return np.array(IDs), FaceListm#Ids converted into numpy array
def combineImages(imgPath1,imgPath2):
# Stack image next to eachother
## Need to share number of channels
img = cv2.imread(imgPath1)
img2 = cv2.imread(imgPath2)
imgHor = np.hstack((img,img2))
cv2.imshow("Horiz Output", imgHor)
# Stack images ontop of eachother
imgVert = np.vstack((img, img2))
cv2.imshow("Vert Output", imgVert)
cv2.waitkey(0)
def Detection(self, img):
height, width, _ = img.shape
blob = cv2.dnn.blobFromImage(img,
1 / 255, (416, 416), (0, 0, 0),
swapRB=True,
crop=False)
self.net.setInput(blob)
output_layers_names = self.net.getUnconnectedOutLayeresNames()
layerOutputs = self.net.forward(output_layers_names)
boxes = []
confidences = []
class_ids = []
for output in layerOutputs:
for detection in output:
scores = detection[5:]
class_id = np.argmax(scores)
confidence = scores[class_id]
if confidence > 0.5:
center_x = int(detection[0] * width)
center_y = int(detection[1] * height)
w = int(detection[2] * width)
h = int(detection[3] * height)
x = int(center_x - w / 2)
y = int(center_y - h / 2)
boxes.append([x, y, w, h])
confidences.append((float(confidence)))
class_ids.append(class_id)
indexes = cv2.dnn.NMSBoxes(boxes, confidences, 0.5, 0.4)
font = cv2.FONT_HERSHEY_PLAIN
colors = np.random.uniform(0, 255, size=(len(boxes), 3))
for i in indexes.flatten():
x, y, w, h = boxes[i]
label = str(self.classes[class_ids[i]])
confidence = str(round(confidences[i], 2))
color = colors[i]
cv2.rectangle(img, (x, y), (x + w, y + h), color, 2)
cv2.putText(img, label + ' ' + confidence, (x, y + 20), font, 2,
(255, 255, 255), 2)
cv2.imshow('Image', img)
cv2.waitkey(0)
def test_gamma():
img = cv2.imread('faces/青木.jpg')
image_m = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
image_lab = cv2.cvtColor(img, cv2.COLOR_BGR2LAB)
cv2.imshow('', img)
cv2.waitKey(1000)
g = gamma()
print(type(img), img.shape)
img2 = g.enhance(np.array(img))
img3 = np.hstack((img, img2))
cv2.imshow('', img3)
cv2.waitkey(1000)
exit(0)
def detectShapes(imgPath):
img = cv2.imread(imgPath)
#Pre process
img_gray = cv2.cvtColor(img, cv2.COLOR_BG2BGRAY)
img_blur = cv2.GaussianBlur(img_gray, ksize=(7, 7), sigmaX=1)
img_canny = cv2.Canny(img_blur, threshold1=50, threshold2=50)
detectContours(img_canny)
cv2.imshow("Output", img)
cv2.imshow("Canny Output", img_canny)
cv2.imshow("Gray Output", img_gray)
cv2.imshow("Blur Output", img_blur)
cv2.waitkey(0)
def screenRec():
fourcc = cv2.VideoWriter_fourcc(*'XVID')
fps = 8.0
out = cv2.VideoWriter('output.avi', fourcc, fps, (1366, 768))
while (True):
img = ImageGrab.grab()
img_np = np.array(img)
frame = cv2.cvtColor(img_np, cv2.COLOR_BGR2RGB)
win_title = "Screen Recorder"
cv2.imshow(win_title, frame)
out.write(frame)
if (cv2.waitkey(1) & 0XFF == ord('q')):
break
out.release()
cv2.destroyAllWindows()
def test_video():
video = cv2.VideoCapture("../tests/test.h264")
assert video != None
height, width = 300, 300
choices = ["L", "R", "L", "R"]
state = BifurcationState(height, width, choices)
while True:
ret, img = video.read()
assert ret
assert img != None
img = cv2.resize(img, (width, height), interpolation=cv2.INTER_CUBIC)
img = cv2.cvtColor(img, cv2.COLOR_RGB2GRAY)
img = cv2.GaussianBlur(img, (11, 11), 0)
img, pts = get_tracking_data(
img, img, state, pt_count=20, skip=True, debug=True, choose_thin=False, split_detection=True
)
print pts[0]
plt.imshow(img, cmap="gray", interpolation="bicubic")
plt.xticks([]), plt.yticks([]) # to hide tick values on X and Y axis
plt.show()
cv2.waitkey()
import numpy as np
import cv2
cap = cv2.VideoCapture(1) #laptop webcam == 1
fourcc = cv2.cv.CV_FOURCC('M', 'J', 'P', 'G')
out = cv2.VideoWriter('output.avi', fourcc, 20.0, (640,480))
while(cap.isOpened()):
ret, frame = cap.read()
if ret == True:
frame = cv2.flip(frame,0)
out.write(frame)
cv2.imshow('frame', frame)
if cv2.waitkey(1) & 0xFF == ord('q'):
break
else:
break
cap.release()
out.release()
cv2.destroyAllWindows()
import cv2
import glob
critera = (cv2.TERM_CRITERIA_EPS + cv2.TERM_CRITERIA_MAX_ITER, 30, 0.001)
objp = np.zeros((6*7 ,3),np.float32)
objp[:,:2] = np.mgrid[0:7,0:6].T.reshape(-1,2)
objpoints = []
imgpoints = []
images = glob.glob('*.jpg')
for frame in images:
img = cv2.imread(frame)
gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
ret, corners = cv2.findChessboardCorners(gray, (7,6),None)
if ret == True:
objpoints.append(objp)
cv2.cornerSubPix(gray ,corners ,(11,11) ,(-1,-1) ,criteria)
imgpoints.append(corners)
cv2.drawChessboardCorners(img ,(7,6) ,corners2 ,ret)
cv2.imshow('img',img)
cv2.waitkey(500)
cv2.destroyAllWindows()
import numpy as np
import cv2
img=cv2.imread('kukki.png',1)
cv2.imshow('image',img)
cv2.waitkey(0)
cv2.destroyAllWindows()
from picamera.array import PiRGBArray
from picamera import PiCamera
import time
import cv2
camera=PiCamera()
camera.resolution=(320,240)
camera.framerate=32
rawCapture=PiRGBArray(camera,size=(640,480))
time.sleep(0.1)
for frame in camera.capture_continuous(rawCapture, format="bgr", use_vbideo_port=True):
image=frame.array
cv2.imshow("Frame", image)
key=cv2.waitkey(1) & 0xFF
rawCapture.truncate(0)
if key ==ord("q"):
break
import cv2
import numpy as np
face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_dafeult.xml')
eye_cascade = cv2.CascadeClassifier('haarcascade_eye.xml')
cap=cv2.VideoCapture()
while True:
ret, img = cap.read(0)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray,1.3,5)
for (x,y,w,h) in faces:
cv2.rectangle(img, (x,y), (x+w, y+h), (255,0,0),2)
roi_gray = gray[y:y+h, x:x+w]
roi_color = img[y:y+h, x:x+w]
eyes = eye_cascade.detectMultiScale(roi_gray)
for (ex, ey, ew, eh) in eyes:
cv2.rectangle(roi_color, (ex, ey), (ex+ew, ey+eh), (0,255,0), 2)
cv2.imshow('img', img)
k = cv2.waitkey(30) & 0*ff
if k == 27:
break
cap.release()
cv2.destroyWindows()
