Integrate Segmentation Model

[leopoldmaillard]

Google classification model should be integrated to the new UI.

TFLite model : https://tfhub.dev/google/seefood/segmenter/mobile_food_segmenter_V1/1

Flutter TFLite plugin : https://pub.dev/packages/tflite

• [x] Apply model on camera picture.
• [x] Apply model on gallery image picture.
• [x] Display the segmentation mask.
• [x] Retrieve the class names.
• [x] Loading screen.

[leopoldmaillard]

Segmentation model is applied to a camera picture. Segmentation mask is displayed on top of the original image.

The RGBA output has been decoded from the output png and we should be able to display the food classes.

[leopoldmaillard]

Model is fully integrated.