Annotation Verifier

This application allows users to upload a zip file containing images, labels, and a classes.txt file. It then visualizes the bounding box annotations on the images and displays them for verification.

Table of Contents

• Features
• Installation
• Usage
• Folder Structure
• Pros and Cons
• Contributing

Features

• Upload a zip file containing images, labels, and classes.
• Visualize bounding box annotations on images.
• Navigate through annotated images.
• Display annotations with corresponding class names.

Installation

1. Clone the repository:

   git clone https://github.com/prdowluri/annotation-verifier.git
   cd annotation-verifier

2. Create and activate a virtual environment:

   python -m venv venv
   source venv/bin/activate  # On Windows: venv\Scripts\activate

3. Install the required dependencies:

   pip install -r requirements.txt

4. Run the application:

   python app.py

5. Open your web browser and go to http://127.0.0.1:5000.

Usage

Visit the project's website : Annotation-Verifier

1. Upload a zip file containing:

   • An images folder with the images.
   • A labels folder with the corresponding label files.
   • A classes.txt file with the class names.

2. Click the "Submit" button to visualize the annotated images.

3. Use the navigation arrows or keyboard arrow keys to navigate through the images.

Folder Structure

The expected structure of the zip file is as follows:

zip_file.zip
│
├── images/
│   ├── image1.jpg
│   ├── image2.jpg
│   └── ...
│
├── labels/
│   ├── image1.txt
│   ├── image2.txt
│   └── ...
│
└── classes.txt

Pros and Cons

Pros

• Ease of Use: Simple and intuitive interface for uploading and visualizing annotated images.
• Visual Feedback: Provides a visual representation of annotations for easy verification.
• Keyboard Navigation: Allows navigation through images using keyboard arrow keys for better user experience.

Cons

• Limited Annotation Types: Currently supports only bounding box annotations.
• No Annotation Editing: Does not provide functionality to edit annotations directly in the interface.
• File Structure Dependency: Requires a specific folder structure in the zip file.

Contributing

Contributions are welcome! Please fork this repository and submit a pull request with your changes. Ensure that your code adheres to the existing style and includes relevant tests. "# annotation-verifier"