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Rotate image(s) counter-clockwise by 90 degrees.

Used in the notebooks

Used in the tutorials

For example:

# rotating `a` counter clockwise by 90 degrees
[[2 4]
 [1 3]]
# rotating `a` counter clockwise by 270 degrees
a_rot=tf.image.rot90(a, k=3)
[[3 1]
 [4 2]]

image 4-D Tensor of shape [batch, height, width, channels] or 3-D Tensor of shape [height, width, channels].
k A scalar integer. The number of times the image is rotated by 90 degrees.
name A name for this operation (optional).

A rotated tensor of the same type and shape as image.

ValueError if the shape of image not supported.