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TDA2PXEVM: Softmax: How can we transform 8-bit values into floating values?

Part Number: TDA2PXEVM

Hello

We are transferring a deep learning model onto a TI TDA platform.

Output of this network is a binary classification prediction that is generated by a softmax function.

According to needs of our project, we have to get floating values of these softmax outputs.

For example, [ 0.230, 0.770 ] or [ 0.013, 0.987 ] in which sum of values in each output should be 1

However the softmax we get from this TI platform are exactly 8-bit values which are like this:

[ 255, 240 ]

[ 255, 255 ]

[ 254, 213 ]

[ 221, 254 ]

...

So, the question is, how can we transform these 8-bit values into floating numbers? And what is the codec formula to do this? 

Note that these floating values are between 0 and 1 because they are outputs from a softmax function.