[D] TFLite conversion from Keras model gives low accuracy

Hi, I was converting two Keras models to a full integer quantize TFLite model. One TFLite model gives a high accuracy (98%) and another one gives very low accuracy (0.4%). I have checked the quantized model and found that the scaling factor change significantly.

Here is come quantization_parameters for the model with 98% accuracy:

Tensor index 1: 'quantization_parameters': {'scales': 0.0077935, 'zero_points': -1)

Tensor index 2: 'quantization_parameters': {'scales': 0.02159962, 'zero_points': 0)

Tensor index 3: 'quantization_parameters': {'scales': 0.00016834, 'zero_points': 0)

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Here …

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