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jawadskript/
brain_tumor_detection_CNN_DeepLearning

masoudnickparvar/brain-tumor-mri-dataset

mit

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Brain Tumor Detection CNN Model

This model was trained using a Convolutional Neural Network (CNN) to classify brain MRI images as either having a tumor or not. It uses Keras with TensorFlow backend and was trained on the publicly available Brain Tumor MRI Dataset from Kaggle. Dataset

The dataset contains 3,762 T1-weighted contrast-enhanced MRI images, labeled as:

Yes – Images with a brain tumor
No – Images without a brain tumor

The data is balanced and preprocessed into two folders: yes/ and no/.

Train Accuracy: ~98% Validation Accuracy: ~96%

🧠 Model Architecture

Type: CNN
Framework: Keras (TensorFlow backend)
Input shape: (150, 150, 3)
Final Activation: sigmoid
Loss: binary_crossentropy
Optimizer: Adam

Code to Run:

python

import streamlit as st
import tensorflow as tf
import numpy as np
from tensorflow.keras.preprocessing import image
from PIL import Image

# Load the trained model
@st.cache_resource
def load_model():
    return tf.keras.models.load_model('models/brain_tumor_model.h5')  # Update path if needed

model = load_model()

# Define class labels
class_names = ['glioma_tumor', 'meningioma_tumor', 'no_tumor', 'pituitary_tumor']

# UI
st.title("🧠 Brain Tumor Detection from MRI")
st.write("Upload an MRI image to detect the type of brain tumor.")

# Upload image
uploaded_file = st.file_uploader("Choose an MRI image", type=["jpg", "jpeg", "png"])

if uploaded_file is not None:
    # Show image
    img = Image.open(uploaded_file)
    st.image(img, caption="🖼️ Uploaded Image", use_container_width=True)

    # Preprocessing
    img = img.resize((224, 224))  # ✅ Make sure it matches your model's input size
    img_array = image.img_to_array(img)
    img_array = np.expand_dims(img_array, axis=0) / 255.0

    # Prediction
    predictions = model.predict(img_array)
    confidence = float(np.max(predictions)) * 100
    predicted_class = class_names[np.argmax(predictions)]

    # Output
    st.success(f"🎯 Predicted Tumor Type: **{predicted_class}**")
    st.info(f"📊 Model Confidence: **{confidence:.2f}%**")

jawadskript/brain_tumor_detection_CNN_DeepLearning

🧠 Model Architecture

jawadskript/
brain_tumor_detection_CNN_DeepLearning