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quantizationtensorflow-lite
Liao Mist
Liao Mist

Reputation: 21

How to do dequentize with the output of quantized tflite?

I have convert a PB file to tflite with uint8 quantization. I would like to know how to convert the output from uint8 back to float so that the previous code can still work.

Upvotes: 1

Views: 943

Answers (1)

Alex Cohn
Alex Cohn

Reputation: 57173

Usually, the range of float is [-1..1], so the formula is

putFloat((uint8Val - 127.5)/127.5)

But this actually depends on the quantization parameters mean and std you used. Note that recently tflite switched to int8 in range [-128..127].

Upvotes: 1

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