app.py

import torch
import gradio as gr
from torch import nn
from torch.nn import functional as F
import torchvision
from PIL import Image
from torchvision import transforms


transformer = transforms.Compose([
    transforms.Resize((224, 224)),#standard pixel value of image which we want to pass in resnet18
    transforms.RandomHorizontalFlip(),
    transforms.RandomRotation(degrees=10),
    transforms.ToTensor(),
    transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225])#(mean,std deviation)these values will be same for all the resnet models coz all are trained on imageNet
])
model1=torch.jit.load('scripted_vehicle_model.pt',map_location=torch.device('cpu'))
classes=['Bus','bicycle','car']

def predict(inp):
  inp=transformer(inp).unsqueeze(0)
  #inp = transforms.ToTensor()(inp).unsqueeze(0)
  
  with torch.no_grad():
    prediction =F.softmax(model1(inp)[0], dim=0)
    confidences = {classes[i]: float(prediction[i]) for i in range(3)}    
  return confidences
  
gr.Interface(predict,inputs=gr.inputs.Image(label="Input Image"),outputs='label').launch(debug='True')