how to format the image data for training/prediction when images are different in size?

You didn’t say what architecture you’re talking about. Since you said you want to classify images, I’m assuming it’s a partly convolutional, partly fully connected network like AlexNet, GoogLeNet, etc. In general, the answer to your question depends on the network type you are working with. If, for example, your network only contains convolutional units … Read more