我用 batch_size = 4 构造我的生成器函数,如下所示:
tf.data.Dataset.from_generator(img_gen, output_types=(tf.float32, tf.float32), output_shapes = ([4,200,200,3],[4,2]))
运行后发现这个错误
ValueError: `generator` yielded an element of shape (2, 200, 200, 3) where an element of shape (4, 200, 200, 3) was expected.
我无法理解为什么?