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Demonstrates how to build an image recognition system using a Convolutional Neural Network (CNN). It encompasses the complete pipeline from data preprocessing to model training and prediction. This project serves as an excellent introduction to deep learning and computer vision, providing practical insights into image classification tasks.

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Image Recognition Project

Overview

This project demonstrates how to build an image recognition system using a Convolutional Neural Network (CNN). The system can classify images into different categories based on a dataset of labeled images. It uses deep learning techniques for training and predicting image labels.

Features

  • Image classification using CNNs
  • Preprocessing pipeline including image resizing, normalization, and data augmentation
  • Customizable architecture with options to modify layers, activation functions, etc.
  • Training, evaluation, and inference modules
  • Support for GPU acceleration with TensorFlow or PyTorch

Project Structure

                image-recognition/ 
                                 │
                                 ├── data/ # Dataset files 
                                         │ 
                                         ├── train # Training data (images) 
                                         │ 
                                         └── test # Test data (images) 
                                 ├── src/ 
                                        │ 
                                        ├── model.py # CNN model definition 
                                        │ 
                                        ├── train.py # Training script 
                                        │ 
                                        ├── evaluate.py # Evaluation script 
                                        │ 
                                        ├── predict.py # Prediction script 
                                        │ 
                                        └── utils.py # Utility functions (image loading, preprocessing, etc.) 
                                 ├── tests/ # Unit tests 
                                          │ 
                                          └── test_model.py # Unit tests for the CNN model 
                                 ├── requirements.txt # Dependencies 
                                 └── README.md # Project documentation

Installation

  1. Clone the repository:

    git clone https://github.com/yourusername/image-recognition.git
    cd image-recognition
    
    
  2. Install the required packages:

            pip install -r requirements.txt
    

Dataset

The project expects a folder structure where the training data is stored in subfolders for each category.

            data/train/cat
            data/train/dog
            data/test/cat
            data/test/dog

You can use any labeled image dataset (e.g., CIFAR-10, ImageNet, or a custom dataset). Make sure the images are placed in corresponding subdirectories representing their class labels.

Usage

  1. Training the Model Train the CNN model on your dataset:

      python src/train.py
    

The script will:-

  1. Load the training images from the /data/train directory.

  2. Preprocess the images (resize, normalize, augment).

  3. Train the CNN model on the training dataset.

  4. Save the trained model weights.

  5. Evaluating the Model

Evaluate the performance of the trained model on the test dataset:

          python src/evaluate.py

This will load the test images from the /data/test directory and compute evaluation metrics like accuracy, precision, recall, and F1-score.

  1. Predicting New Images

Use the trained model to classify new images:

   python src/predict.py --image path_to_image.jpg

The script will load a single image, preprocess it, and output the predicted class label.

Testing

Unit tests are provided to ensure that the core functions of the CNN model and utilities work as expected. Run the tests using:

            python -m unittest discover -s tests

Requirements

The project uses deep learning frameworks like TensorFlow or PyTorch, along with additional libraries for image processing. You can install the required dependencies by running:

                              pip install -r requirements.txt

Required packages:

  1. tensorflow or pytorch
  2. numpy
  3. pandas
  4. opencv-python
  5. scikit-learn

Future Enhancements

  1. Transfer Learning: Add support for transfer learning using pre-trained models like VGG16, ResNet, or MobileNet.
  2. Hyperparameter Tuning: Implement grid search or random search for optimizing hyperparameters.
  3. Real-time Image Recognition: Add a feature to classify images in real-time using webcam input.

License

This project is licensed under the MIT License.

About

Demonstrates how to build an image recognition system using a Convolutional Neural Network (CNN). It encompasses the complete pipeline from data preprocessing to model training and prediction. This project serves as an excellent introduction to deep learning and computer vision, providing practical insights into image classification tasks.

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