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README.md

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# 🎭 Real-Time Emotion Detector from Camera Face Input
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# Realtime Emotion Detector 😃
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A deep learning-powered real-time emotion detection system that classifies facial expressions captured from a live webcam feed into seven distinct emotions.
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![Realtime Emotion Detector](https://img.shields.io/badge/Download%20Releases-%20%F0%9F%93%88-4CAF50?style=flat-square&logo=github)
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---
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Welcome to the **Realtime Emotion Detector** repository! This project leverages deep learning techniques to analyze facial expressions captured through a webcam. It classifies these expressions into seven distinct emotions: Angry, Disgust, Fear, Happy, Neutral, Sad, and Surprise. Using a Convolutional Neural Network (CNN) model alongside OpenCV for real-time face detection, this system aims to provide a seamless experience in emotion recognition.
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## 📌 Project Overview
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## Table of Contents
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This application uses a Convolutional Neural Network (CNN) trained on facial expression data to detect and classify human emotions in real-time. The webcam captures a video stream, detects faces, and predicts the emotion being expressed—displaying it with a label overlay.
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- [Introduction](#introduction)
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- [Features](#features)
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- [Technologies Used](#technologies-used)
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- [Installation](#installation)
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- [Usage](#usage)
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- [How It Works](#how-it-works)
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- [Contributing](#contributing)
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- [License](#license)
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- [Acknowledgments](#acknowledgments)
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### 🔍 Detectable Emotions:
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- 😠 **Angry**
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- 🤢 **Disgust**
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- 😨 **Fear**
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- 😀 **Happy**
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- 😐 **Neutral**
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- 😢 **Sad**
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- 😲 **Surprise**
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## Introduction
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---
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Understanding human emotions is crucial in various fields such as psychology, marketing, and human-computer interaction. The **Realtime Emotion Detector** offers a way to analyze facial expressions quickly and accurately. This project combines machine learning with computer vision to provide real-time feedback on emotional states.
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## 🧠 Features
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## Features
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- ✅ Real-time face detection using OpenCV
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- ✅ Emotion prediction using trained CNN model
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- ✅ Visual label overlay on detected faces
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- ✅ Clean preprocessing pipeline (grayscale, resize, normalize)
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- ✅ Customizable and extendable for more use-cases
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- **Real-time Detection**: Detects emotions in real-time using webcam input.
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- **Multi-Emotion Classification**: Classifies expressions into seven categories.
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- **User-Friendly Interface**: Easy to set up and use.
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- **Open Source**: Available for anyone to use, modify, and distribute.
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---
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## Technologies Used
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## 🏗️ Model Architecture
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This project utilizes the following technologies:
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- 4 Convolutional Layers (ReLU activation + MaxPooling)
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- Dropout layers for regularization
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- Fully Connected Dense layers
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- Output layer with Softmax (7 classes)
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- **Python**: The primary programming language.
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- **TensorFlow**: For building and training the CNN model.
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- **Keras**: A high-level neural networks API.
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- **OpenCV**: For real-time face detection and image processing.
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- **NumPy**: For numerical operations.
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- **Matplotlib**: For data visualization.
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- **Jupyter Notebook**: For interactive coding and visualization.
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---
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## Installation
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## 🧰 Tech Stack
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To get started with the **Realtime Emotion Detector**, follow these steps:
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| Tool | Purpose |
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|------|---------|
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| Python 3.10 | Core Programming Language |
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| TensorFlow / Keras | Deep Learning Framework |
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| OpenCV | Real-time Computer Vision |
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| NumPy | Numerical Computation |
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| Matplotlib | Visualization (optional) |
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| Jupyter Notebook | Model Training & Development |
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1. **Clone the Repository**:
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```bash
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git clone https://github.com/carlthecoder123123/Realtime-emotion-detector.git
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cd Realtime-emotion-detector
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```
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---
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2. **Install Dependencies**:
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Make sure you have Python installed. Then, run:
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```bash
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pip install -r requirements.txt
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```
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## 📦 Dataset
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3. **Download the Model**:
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You can download the pre-trained model from the [Releases section](https://github.com/carlthecoder123123/Realtime-emotion-detector/releases). Ensure to download and execute the necessary files.
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**FER-2013**: Facial Expression Recognition dataset
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🔗 [Kaggle Link](https://www.kaggle.com/datasets/jonathanoheix/face-expression-recognition-dataset)
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## Usage
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- 48x48 grayscale images
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- 35,900 labeled facial images
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- 7 emotion classes
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To run the emotion detector, execute the following command in your terminal:
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---
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```bash
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python emotion_detector.py
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```
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## 🚀 Installation & Setup
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This will launch the webcam feed and start detecting emotions in real-time.
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```bash
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# Clone the repository
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git clone https://github.com/SusmoyNath/Realtime-emotion-detector.git
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cd Realtime-emotion-detector
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## How It Works
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The **Realtime Emotion Detector** works through the following steps:
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1. **Face Detection**: OpenCV captures the video feed and detects faces in real-time.
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2. **Preprocessing**: Detected faces are resized and normalized for the CNN model.
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3. **Emotion Classification**: The CNN model predicts the emotion based on the processed face.
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4. **Display Results**: The detected emotion is displayed on the screen.
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### Model Architecture
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The CNN model consists of several layers:
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- **Convolutional Layers**: Extract features from the input images.
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- **Pooling Layers**: Reduce the dimensionality of the feature maps.
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- **Fully Connected Layers**: Classify the features into the respective emotions.
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### Training the Model
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If you want to train your own model, you can use the training scripts provided in the `training` directory. Ensure you have a labeled dataset of facial expressions for effective training.
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## Contributing
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We welcome contributions! If you'd like to improve this project, please follow these steps:
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1. Fork the repository.
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2. Create a new branch (`git checkout -b feature-branch`).
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3. Make your changes.
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4. Commit your changes (`git commit -m 'Add some feature'`).
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5. Push to the branch (`git push origin feature-branch`).
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6. Open a Pull Request.
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## License
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This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for more details.
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## Acknowledgments
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# (Optional) Create a virtual environment
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python3 -m venv env
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source env/bin/activate # or .\env\Scripts\activate on Windows
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- **OpenCV**: For providing powerful tools for image processing.
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- **TensorFlow and Keras**: For making deep learning accessible.
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- **NumPy and Matplotlib**: For numerical operations and data visualization.
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# Install dependencies
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pip install -r requirements.txt
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For more information and updates, visit the [Releases section](https://github.com/carlthecoder123123/Realtime-emotion-detector/releases).

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