def mask(self, frame, lowHue, lowSat, lowVal, highHue, highSat, highVal):
#this is the limit threshold the lowest from the average value and the highest from the average value
try:
kernelDilation = np.ones((3, 3), np.uint8) #kernel for dilation
kernelErosion = np.ones((2, 2), np.uint8) #kernel for erosion
#get mask for each chanel separately
lower_blue = np.array([lowHue, lowSat - 255, lowVal - 255])
upper_blue = np.array([highHue, highSat + 255, highVal + 255])
mask1 = cv2.inRange(frame, lower_blue, upper_blue)
mask1 = cv2.erode(mask1, kernelErosion, iterations=1)
mask1 = cv2.dilate(mask1, kernelDilation, iterations=2)
lower_blue = np.array([lowHue - 255, lowSat, lowVal - 255])
upper_blue = np.array([highHue + 255, highSat, highVal + 255])
mask2 = cv2.inRange(frame, lower_blue, upper_blue)
lower_blue = np.array([lowHue - 255, lowSat - 255, lowVal - 25])
upper_blue = np.array([highHue + 255, highSat + 255, highVal + 25])
mask3 = cv2.inRange(frame, lower_blue, upper_blue)
mask3 = cv2.dilate(mask3, kernelDilation, iterations=2)
# get intersection of hue and value channels
masks = cv2.bitwise_and(mask1, mask3)
masks = cv2.erode(masks, kernelErosion, iterations=1)
masks = cv2.dilate(masks, kernelDilation, iterations=2)
from main import isShow
interface = UI()
if isShow[3]:
interface.showWindow('hue', mask1)
elif interface.isOpen('hue'):
interface.closeWindow('hue')
if isShow[4]:
interface.showWindow('sat', mask2)
elif interface.isOpen('sat'):
interface.closeWindow('sat')
if isShow[5]:
interface.showWindow('val', mask3)
elif interface.isOpen('val'):
interface.closeWindow('val')
except Exception as e:
print(e)
return frame
return masks
