def image_read_tf(imnames):
images = tf.gfile.FastGFile(imnames,'rb').read()
images = tf.image.decode_jpeg(images, channels=3)
return images
def image_read_cv(imname):
image = cv2.imread(imname,cv2.IMREAD_UNCHANGED)
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB).astype(np.float32)
return image
img_tf = image_read_tf('./image29202.jpg')
img_cv = image_read_cv('./image29202.jpg')
with tf.Session() as sess:
print(sess.run(img)-img_cv)
输出
[[[ 1. 1. 1.]
[ 1. 1. 1.]
[ 1. 1. 1.]
...
[ 1. -1. 0.]
[ 0. 0. 0.]
[ 0. 0. 0.]]
[[ 0. 0. 0.]
[ 0. 0. 0.]
[ 0. 0. 0.]
...
[ 1. -1. 0.]
[ 0. 0. 0.]
[ 0. 0. 0.]]
[[ 0. 0. 0.]
[ 0. 0. 0.]
[-1. -1. -1.]
...
[ 0. 0. 0.]
[ 0. 0. 0.]
[ 0. 0. 0.]]
...
[[-1. -1. -1.]
[-1. -1. -3.]
[-3. 0. -1.]
...
[-1. 1. 0.]
[-2. 1. -2.]
[-3. 0. -3.]]
[[-1. -1. -1.]
[-2. -2. -3.]
[-2. 0. -1.]
...
[-1. -1. -1.]
[-2. 1. 0.]
[-2. 1. 0.]]
[[-3. -1. -2.]
[-3. -1. -2.]
[-2. 0. -2.]
...
[-1. -1. -1.]
[-2. -1. -1.]
[-2. -1. -1.]]]
读取像素略有差异,不知为何。