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app.py

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+
+import grado as gr
+import os
+import torch
+
+from model import create_effnetb2_model
+from timeit import default_timer as timer
+from typing import Tuple,Dict
+
+with open("class_names","r") as f:
+    class_names=[food_name.strip() for food_name in f.readlines()]
+
+effnetb2, effnetb2_transforms=create_effnetb2_model(
+    num_classes=101
+)
+
+effnetb2.load_state_dict(
+    torch.load(
+        f="foodvision_big.pth",
+        map_location=torch.device("cpu")
+    )
+)
+
+def predict(img)->Tuple[Dict, float]:
+    start_time=timer()
+    img=effnetb2_transforms(img).unsqueeze(0)
+    effnetb2.eval()
+    with torch.inference_mode():
+        pred_probs=torch.softmax(effnetb2(img), dim=1)
+
+    pred_labels_and_probs={class_names[i]: float(pred_probs[0][i] for i in range(len(class_names)))}4
+    pred_time=round(timer()-start_time,5)
+    return pred_labels_and_probs, pred_time
+
+
+title="FoodVision Big"
+description="Images of food as an input and the image class as output using efficient net b2"
+
+
+example_list = [["examples/" + example] for example in os.listdir("examples")]
+
+# Create Gradio interface 
+demo = gr.Interface(
+    fn=predict,
+    inputs=gr.Image(type="pil"),
+    outputs=[
+        gr.Label(num_top_classes=5, label="Predictions"),
+        gr.Number(label="Prediction time (s)"),
+    ],
+    examples=example_list,
+    title=title,
+    description=description,
+    article=article,
+)
+
+# Launch the app!
+demo.launch()

class_names.txt

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+apple_pie
+baby_back_ribs
+baklava
+beef_carpaccio
+beef_tartare
+beet_salad
+beignets
+bibimbap
+bread_pudding
+breakfast_burrito
+bruschetta
+caesar_salad
+cannoli
+caprese_salad
+carrot_cake
+ceviche
+cheese_plate
+cheesecake
+chicken_curry
+chicken_quesadilla
+chicken_wings
+chocolate_cake
+chocolate_mousse
+churros
+clam_chowder
+club_sandwich
+crab_cakes
+creme_brulee
+croque_madame
+cup_cakes
+deviled_eggs
+donuts
+dumplings
+edamame
+eggs_benedict
+escargots
+falafel
+filet_mignon
+fish_and_chips
+foie_gras
+french_fries
+french_onion_soup
+french_toast
+fried_calamari
+fried_rice
+frozen_yogurt
+garlic_bread
+gnocchi
+greek_salad
+grilled_cheese_sandwich
+grilled_salmon
+guacamole
+gyoza
+hamburger
+hot_and_sour_soup
+hot_dog
+huevos_rancheros
+hummus
+ice_cream
+lasagna
+lobster_bisque
+lobster_roll_sandwich
+macaroni_and_cheese
+macarons
+miso_soup
+mussels
+nachos
+omelette
+onion_rings
+oysters
+pad_thai
+paella
+pancakes
+panna_cotta
+peking_duck
+pho
+pizza
+pork_chop
+poutine
+prime_rib
+pulled_pork_sandwich
+ramen
+ravioli
+red_velvet_cake
+risotto
+samosa
+sashimi
+scallops
+seaweed_salad
+shrimp_and_grits
+spaghetti_bolognese
+spaghetti_carbonara
+spring_rolls
+steak
+strawberry_shortcake
+sushi
+tacos
+takoyaki
+tiramisu
+tuna_tartare
+waffles

foodvision_big.pth

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+version https://git-lfs.github.com/spec/v1
+oid sha256:3f10192308f9dadf57af233783b42aff2b78a3906cda3bff8f24e133cbe471c8
+size 31829882

model.py

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+
+import torch
+import torchvision
+
+from torch import nn
+
+def create_effnetb2_model(num_classes:int=3,
+                         seed:int=42):
+    weights=torchvision.models.EfficientNet_B2_Weights.DEFAULT
+    transforms=weights.transforms()
+    model=torchvision.models.efficientnet_b2(weights=weights)
+
+    for param in model.parameters():
+        param.requires_grad=False
+
+    torch.manual_seed(seed)
+    model.classifier=nn.Sequential(
+        nn.Dropout(p=0.3, inplace=True),
+        nn.Linear(in_features=1408,out_features=num_classes),)
+    return model, transforms

requirements.txt

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+torch==2.5.1
+torchvision==0.20.1
+gradio==5.22.0