def whsv():
    import numpy as np
    low1=np.array([50, 100, 40]);upp1=np.array([70, 255,255]) #G
    low2=np.array([170,150, 50]);upp2=np.array([180,255,255]) # R
    low3=np.array([  0,150, 50]);upp3=np.array([ 10,255,255]) # R
    low_rd = np.array([0  ,  0,50]); upp_rd = np.array([255, 80,255])
    return low1,upp1,low2,upp2,low3,upp3,low_rd,upp_rd