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import streamlit as st
import torch
from PIL import Image
import os
import torch
import torch.nn as nn
import torch.nn.functional as F
class Net(nn.Module):
def __init__(self):
super(Net, self).__init__()
self.conv1 = nn.Conv2d(3, 32, 5)
self.conv2 = nn.Conv2d(32, 64, 5)
self.conv3 = nn.Conv2d(64, 128, 5)
self.conv4 = nn.Conv2d(128, 256, 5)
self.conv5 = nn.Conv2d(256, 512, 5)
self.fc1 = None
self.fc2 = nn.Linear(512, 128)
self.fc3 = nn.Linear(128, 64)
self.fc4 = nn.Linear(64, 2)
def forward(self, x):
x = x.float()
""" x = F.relu(self.conv1(x))
x = F.relu(self.conv2(x))
x = F.max_pool2d(x, 2)
x = F.relu(self.conv3(x))
x = F.relu(self.conv4(x))
x = F.max_pool2d(x, 2)
x = F.relu(self.conv5(x))
x = F.max_pool2d(x, 2) """
x = F.max_pool2d(F.relu(self.conv1(x)), 2)
x = F.max_pool2d(F.relu(self.conv2(x)), 2)
x = F.max_pool2d(F.relu(self.conv3(x)), 2)
x = F.max_pool2d(F.relu(self.conv4(x)), 2)
x = F.max_pool2d(F.relu(self.conv5(x)), 2)
#x = x.view(x.size(0), -1)
x = torch.flatten(x, 1)
if self.fc1 is None:
self.fc1 = nn.Linear(x.shape[1], 512).to(x.device)
x = F.relu(self.fc1(x))
x = F.relu(self.fc2(x))
x = F.relu(self.fc3(x))
x = self.fc4(x)
return x
def classify(model, img, trans=None, classes=[], device=torch.device("cpu")):
try:
model = model.eval()
img = img.convert("RGB")
img = trans(img)
img = img.unsqueeze(0)
img = img.to(device)
output = model(img)
_, pred = torch.max(output, 1)
procent = torch.sigmoid(output)
return f"It {classes[pred.item()].replace('_', ' ')}, I'm {procent[0][pred[0]]*100:.2f}% sure"
except Exception:
return "Something went wrong😕, please notify the developer with the following message: " + str(Exception)
st.title("Pizza & Not Pizza")
device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
checkpoint = torch.load("best.pth.tar", map_location=device)
model = checkpoint["model"]
classes = checkpoint["classes"]
tran = checkpoint["transform"]
# upload image
uploaded_file = st.file_uploader("Choose an image...", type="jpg")
taking_picture = st.camera_input("Take a picture...")
if uploaded_file is not None:
img = Image.open(uploaded_file)
st.image(img, caption="Uploaded Image.", use_column_width=True)
label = classify(model, img, tran, classes, device)
st.write(label)
elif taking_picture is not None:
img = Image.open(taking_picture)
st.image(img, caption="Uploaded Image.", use_column_width=True)
label = classify(model, img, tran, classes, device)
st.write(label)
else:
pass
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