ANN & Deep Learning #14 Convolution Neural Network CNN Code with Python تنفيذ التعلم العميق بايثون Hashim EduTech ·
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· 2026-07-03
00:27 - Introduction to CNN Implementation 📹
The session begins with an overview of implementing a Convolutional Neural Network (CNN) using Python.
Focus on building an image classifier for the Fashion MNIST dataset.
02:48 - Dataset Reshaping and Preparation 🗂️
Discussion of reshaping the dataset to four dimensions: number of images, width, height, and channels.
Outline the dataset details: 70,000 grayscale images (28x28 pixels) with 10 classes (0-9).
07:10 - Data Validation and Splitting ✅
Instructions for splitting the dataset: 55,000 training images, 10,000 validation images, and 10,000 testing images.
Ensure input values are scaled between 0 and 1 for model training.
11:21 - Building the CNN Model 🏗️
Define Convolutional Layers, including activation functions and pooling layers.
Introduce default parameters for convolution kernels (e.g., kernel size, padding).
15:35 - Model Compilation and Training 🔄
Explanation of model compilation with loss function: Sparse Categorical Crossentropy and optimizer: Adam.
Set up training with a focus on saving the model's history for further evaluation.
16:07 - Model Training and Prediction 📈
Saving the model using model.save() with a specified path and format (H5).
Importing Pandas and storing data using pd.data_format.Store().
18:00 - Accuracy and Predictions 🔍
Displaying predictions and validation data, noting an accuracy of around 86%.
Suggesting improvements like increasing the number of epochs and reducing dropout rates for better accuracy.
19:58 - Understanding the Algorithm 🧠
Overview of the algorithm process using TensorFlow, defining libraries and dataset sizes.
Detailing the structure of Convolutional Neural Networks (CNN) and the use of layers, including max pooling and activation functions.
22:07 - Layer Configuration ⚙️
Explanation of filter sizes and configurations in the model architecture, including dropout rates to reduce overfitting.
Introduction to hyperparameters such as epochs and batch sizes used in training.
24:50 - Conclusion and Key Takeaways 🎓
Recap of machine learning topics covered including supervised learning, image classification with CNNs, and best practices in data handling.
Closing remarks and farewell.
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