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caf98c54cd
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68ce008dea
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from io import BytesIO
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import torch
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import torch.nn.functional as F
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from PIL import Image
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from torchvision.models.resnet import resnet50, ResNet50_Weights
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from torchvision.transforms import transforms
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model = resnet50(weights=ResNet50_Weights.DEFAULT)
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model.eval()
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# Define the image transformations
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preprocess = transforms.Compose([
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transforms.Resize(256),
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transforms.CenterCrop(224),
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transforms.ToTensor(),
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transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),
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])
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def is_cat(image):
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try:
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img = Image.open(BytesIO(image.read()))
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# Preprocess the image
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img_t = preprocess(img)
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batch_t = torch.unsqueeze(img_t, 0)
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# Make the prediction
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out = model(batch_t)
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# Apply softmax to get probabilities
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probabilities = F.softmax(out, dim=1)
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# Get the maximum predicted class and its probability
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max_prob, max_class = torch.max(probabilities, dim=1)
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max_prob = max_prob.item()
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max_class = max_class.item()
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# Check if the maximum predicted class is within the range 281-285
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if 281 <= max_class <= 285:
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return max_class, max_prob
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else:
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return max_class, None
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except Exception as e:
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print("Error while processing the image:", e)
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return None
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9
docs.md
9
docs.md
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# Api
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Port -> 5000
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endpoint -> /detect-cat
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Key -> 'Image'
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Value -> {UPLOADED_FILE}
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75
main.py
75
main.py
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from flask import Flask, request, jsonify, session
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from PIL import Image
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import torch
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import torch.nn.functional as F
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from torchvision.models.resnet import resnet50, ResNet50_Weights
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from torchvision.transforms import transforms
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from cat_detection import is_cat
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# Load the pre-trained model
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model = resnet50(weights=ResNet50_Weights.DEFAULT)
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# Define flask app
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model.eval()
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app = Flask(__name__)
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app.secret_key = 'secret_key'
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# Define the image transformations
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preprocess = transforms.Compose([
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transforms.Resize(256),
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transforms.CenterCrop(224),
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transforms.ToTensor(),
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transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),
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])
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@app.route('/detect-cat', methods=['POST'])
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def is_cat(image_path):
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def upload_file():
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# Open the image
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# 'Key' in body should be named as 'image'. Type should be 'File' and in 'Value' we should upload image from disc.
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img = Image.open(image_path)
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file = request.files['image']
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if file.filename == '':
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return jsonify({'error': "File name is empty. Please name a file."}), 400
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max_class, max_prob = is_cat(file)
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# Save result in session
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# Preprocess the image
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session['result'] = max_class, max_prob
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img_t = preprocess(img)
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batch_t = torch.unsqueeze(img_t, 0)
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# Tworzenie komunikatu na podstawie wyniku analizy zdjęcia
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# Make the prediction
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translator = {
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out = model(batch_t)
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# Apply softmax to get probabilities
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probabilities = F.softmax(out, dim=1)
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# Get the maximum predicted class and its probability
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max_prob, max_class = torch.max(probabilities, dim=1)
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max_prob = max_prob.item()
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max_class = max_class.item()
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# Check if the maximum predicted class is within the range 281-285
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if 281 <= max_class <= 285:
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return max_class, max_prob
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else:
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return max_class, None
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image_path = 'wolf.jpg'
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max_class, max_prob = is_cat(image_path)
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translator = {
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281: "tabby cat",
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281: "tabby cat",
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282: "tiger cat",
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282: "tiger cat",
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283: "persian cat",
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283: "persian cat",
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284: "siamese cat",
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284: "siamese cat",
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285: "egyptian cat"
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285: "egyptian cat"
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}
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}
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if max_prob is not None:
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if max_prob is not None:
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result = f"The image is recognized as '{translator[max_class]}' with a probability of {round(max_prob * 100, 2)}%"
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print(f"The image is recognized as '{translator[max_class]}' with a probability of {round(max_prob * 100, 2)}%")
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else:
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else:
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result = f"The image is not recognized as a class within the range 281-285 ({max_class})"
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print(f"The image is not recognized as a class within the range 281-285 ({max_class})")
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return jsonify({'result': result}), 200
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if __name__ == '__main__':
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app.run(debug=True)
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