Add Negative Image Function.

[rishabh135]

Add negative images with random probability to influence the discriminator Negative Images See this paper for more information Negative Image

[Luobuyao]

tf.summary.scalar("compete_loss", model.compete_loss)
ValueError: Tried to convert 'values' to a tensor and failed. Error: None values not supported.
by the way, tensorboard shows the input image and target image is the same one，maybe you can provide the previous version before the modify or give me some advice,Best wishes

[azzurras18]

Have you find any solutions about the fact that in tensorboard the input image and target image are the same one?