class vide(object):
def video(self,img):
img1 = np.asarray(img, dtype='float64')
print("数组的维度", img1.shape)
print(img1)
img3 = img1.astype(np.uint8)
print(img3.dtype.name)
img2 = Image.fromarray(np.uint8(img3))
gray = cv2.cvtColor(img2, cv2.COLOR_BGR2GRAY)
ret,thresh = cv2.threshold(gray, 130, 255, 0)
thresh.show()
** 出现运行错误
gray = cv2.cvtColor(img2, cv2.COLOR_BGR2GRAY)
TypeError: Expected Ptrcv::UMat for argument '%s' **
请问怎么解决上述问题**
**