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@dpotikan
Created July 27, 2022 03:16
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VGG16 Image Classification (Flask Web Application) - Thanks to https://youtu.be/0nr6TPKlrN0
from flask import Flask, render_template, request
from tensorflow.keras.preprocessing.image import load_img
from tensorflow.keras.preprocessing.image import img_to_array
from tensorflow.keras.applications.vgg16 import preprocess_input, decode_predictions
from tensorflow.keras.applications.vgg16 import VGG16
# from tensorflow.keras.applications.resnet50 import ResNet50
app = Flask(__name__)
model = VGG16()
@app.route('/', methods=['GET'])
def hello_world():
# return 'Hello world'
return render_template('index.html')
@app.route('/', methods=['POST'])
def predict():
imagefile = request.files['imagefile']
image_path = "./images/" + imagefile.filename
imagefile.save(image_path)
image = load_img(image_path, target_size=(224,224))
image = img_to_array(image)
image = image.reshape((1, image.shape[0], image.shape[1], image.shape[2]))
image = preprocess_input(image)
yhat = model.predict(image)
label = decode_predictions(yhat)
label = label[0][0]
classification_text = f'{label[1]} ({label[2]*100})'
return render_template('index.html', prediction=classification_text)
if __name__ == '__main__':
app.run(port=3000, debug=True)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- CSS only -->
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-gH2yIJqKdNHPEq0n4Mqa/HGKIhSkIHeL5AyhkYV8i59U5AR6csBvApHHNl/vI1Bx" crossorigin="anonymous">
<title>Image Classifier</title>
</head>
<body>
<h1 class="text-center">Image Classifier</h1>
<form class="p-3 text-center" action="/" method="POST" enctype="multipart/form-data">
<input class="form-control" type="file" name="imagefile" id="">
<input class="btn btn-primary mt-3" type="submit" value="Predict Image">
</form>
{% if prediction %}
<p class="text-center"> Image is a {{prediction}}</p>
{% endif %}
</body>
</html>
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