mindspore/docs/api/api_python/dataset_vision/mindspore.dataset.vision.Ra...

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mindspore.dataset.vision.RandomLighting
========================================
.. py:class:: mindspore.dataset.vision.RandomLighting(alpha=0.05)
将AlexNet PCA的噪声添加到图像中。Alexnet PCA噪声的特征值和特征向量是由ImageNet数据集计算得出。
参数:
- **alpha** (float, 可选) - 图像的强度必须是非负的。默认值0.05。
异常:
- **TypeError** - 如果 `alpha` 的类型不为float。
- **ValueError** - 如果 `alpha` 为负数。
- **RuntimeError** - 如果输入图像的shape不是 <H, W, C>。