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image_capture.py
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image_capture.py
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import cv2
import os
import time
myPath = 'data/images'
cameraNo = 3 # 0-N
cameraBrightness = 180
moduleVal = 10 # SAVE EVERY 10 FRAME
minBlur = 500
#grayImage = False
saveData = False # MAKE TRUE AFTER FINDING CORRECT CAMERA NO.
showImage = True
imgWidth = 640
imgHeight = 480
global countFolder
cap = cv2.VideoCapture(cameraNo)
cap.set(3, 640)
cap.set(4, 480)
cap.set(10,cameraBrightness)
count = 0
countSave =0
def saveDataFunc():
global countFolder
countFolder = 0
while os.path.exists( myPath+ str(countFolder)):
countFolder += 1
os.makedirs(myPath + str(countFolder))
if saveData:saveDataFunc()
while True:
success, img = cap.read()
img = cv2.resize(img,(imgWidth,imgHeight))
if grayImage:img = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
if saveData:
blur = cv2.Laplacian(img, cv2.CV_64F).var()
if count % moduleVal ==0 and blur > minBlur:
nowTime = time.time()
cv2.imwrite(myPath + str(countFolder) +
'/' + str(countSave)+"_"+ str(int(blur))+"_"+str(nowTime)+".png", img)
countSave+=1
count += 1
if showImage:
cv2.imshow("Image", img)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
cap.release()
cv2.destroyAllWindows()