Combining images and numerical values in a deep neural network

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I want to combine in a encoder/decoder architecture (like U-Net or FCN) for semantic segmentation both images and numeric values. The images are aerial maps from which I will take random crops to feed the convolutional part of the network, I would also like to add some data in the feature space (like sun inclination) by connecting the fully connected layer of the network with one or more neurons for the numerical part.
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My doubts are:
should I use a single input layer that accepts both types of data?
If not, how I can handle the training and datasets with two different input layers?

Respuesta aceptada

Gabija Marsalkaite
Gabija Marsalkaite el 4 de Jul. de 2019
Probably simplest way is to add other features as channels. There is example by Uber Engineering where they added gradients for x and y to ease coordinate learning:
https://eng.uber.com/coordconv/
Right now (2019a) Deep Learning Toolbox does not support multi-input layers but we are looking at this and this may change in future releases.
  1 comentario
shlomo odem
shlomo odem el 14 de Nov. de 2021
i have the same problem, did 2021a support multi-input layers?
how can i do this network?

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