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问题描述
限时送ChatGPT账号..在 tensorflow 中,我想从随机角度旋转图像,以进行数据增强.但是我在 tf.image 模块中没有找到这种转换.
In tensorflow, I would like to rotate an image from a random angle, for data augmentation. But I don't find this transformation in the tf.image module.
推荐答案
更新:见下方@astromme 的回答.Tensorflow 现在支持原生旋转图像.
Update: see @astromme's answer below. Tensorflow now supports rotating images natively.
在 tensorflow 中没有本地方法的情况下你可以做的事情是这样的:
What you can do while there is no native method in tensorflow is something like this:
from PIL import Image
sess = tf.InteractiveSession()
# Pass image tensor object to a PIL image
image = Image.fromarray(image.eval())
# Use PIL or other library of the sort to rotate
rotated = Image.Image.rotate(image, degrees)
# Convert rotated image back to tensor
rotated_tensor = tf.convert_to_tensor(np.array(rotated))
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