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import torch
import torch.nn as nn
import timm
import gradio as gr
from torchvision import transforms
from PIL import Image
# Define class labels
class_names = ['Bacteria', 'Fungi', 'Healthy', 'Nematode', 'Pest', 'Phytopthora', 'Virus']
# Load model
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
model = timm.create_model('mobilenetv3_large_100', pretrained=False)
model.classifier = nn.Sequential(
nn.Linear(model.classifier.in_features, 512),
nn.ReLU(),
nn.Dropout(0.3),
nn.Linear(512, len(class_names))
)
model.load_state_dict(torch.load('best_model.pth', map_location=device))
model.to(device)
model.eval()
# Transform for input image
transform = transforms.Compose([
transforms.Resize(256),
transforms.CenterCrop(224),
transforms.ToTensor(),
transforms.Normalize([0.485, 0.456, 0.406],
[0.229, 0.224, 0.225])
])
# Inference function
def predict(image):
image = transform(image).unsqueeze(0).to(device)
with torch.no_grad():
outputs = model(image)
_, predicted = torch.max(outputs, 1)
confidence = torch.softmax(outputs, dim=1)[0][predicted.item()].item()
return {class_names[predicted.item()]: float(confidence)}
# Gradio interface
interface = gr.Interface(
fn=predict,
inputs=gr.Image(type="pil"),
outputs=gr.Label(num_top_classes=3),
title="Potato Leaf Disease Classification",
description="Upload an image of a potato leaf to detect the disease type."
)
interface.launch()
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