descriptor.py 文件源码

def cropImg(img,oriRio=0.24/0.36):
   #oriImg = cv2.imread(img)
    #img = np.swapaxes(img,0,2)
    h = img.shape[0]
    w = img.shape[1]
    # from the middle of the long side (the middle two points)to
    # crop based on the shorter side, then according to the ucf101
    # ratio to crop the other side  
    if h <= w * oriRio:
       crop_ws = w/2-1-int(h/(oriRio*2))
       crop_we = w/2+int(h/(oriRio*2))
       subImg = img[:,crop_ws:crop_we,:]
    else:
       crop_hs = h/2-1-int(w*(oriRio/2))
       crop_he = h/2+int(w*(oriRio/2))
       subImg = img[crop_hs:crop_he,:,:]

    return subImg