SignHub Crowdsourcing Platform: User Stories, Screens, System Architecture & Project Plan 📱💻

Welcome to SignHub! A collaborative platform designed for the deaf community, language experts, and researchers to contribute, review, and learn Pakistan Sign Language (PSL) gestures. This document provides an in-depth look at the user stories, screens, system architecture, and flowcharts for all platform roles to ensure seamless collaboration and growth of PSL.

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User Roles & Stories

1. Viewer Role 👀

As a Viewer, the primary goal is to explore and learn PSL gestures.

User Stories:

• Explore available gestures to understand PSL.
• Browse the gesture repository by keyword or category.
• Watch avatar-rendered gestures for better understanding.
• Download gesture-related data for educational and research purposes.

User Screens:

1. Gesture Detail Screen

   • Detailed metadata like dialect, meaning, and usage examples.
   • Avatar demonstration of the gesture.
   • Download button for gesture videos or metadata.

   Design Considerations:

   • Responsive design for cross-device compatibility.
   • Clean, easy-to-read metadata sections.

2. Home Screen

   • Platform overview with functionalities.
   • Easy access to repositories and resources.

   Design Considerations:

   • Engaging visuals for PSL representation.
   • Intuitive navigation bar for seamless access.

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2. Contributor Role 🖋️

As a Contributor, the aim is to submit PSL gestures to expand the platform's corpus.

User Stories:

• Submit gesture videos to add to the corpus.
• Provide detailed metadata for submissions.
• Participate in targeted campaigns to contribute specific gestures.
• Track the status of submissions and receive feedback.

User Screens:

1. Gesture Submission Screen

   • Form for uploading videos with metadata (e.g., word, dialect, description).
   • Real-time validation for video format and size.

   Design Considerations:

   • Clear, step-by-step submission instructions.
   • Error messages with corrective actions.

2. Dashboard Screen

   • View submission statuses (pending, approved, rejected).
   • Notifications for feedback and campaign participation.
   • Options to edit or resubmit rejected gestures.

   Design Considerations:

   • Organized layout with filters for submission status.
   • Prominent resubmission buttons.

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3. Editor (Reviewer) Role 📑

As an Editor, review and validate gesture submissions to maintain high quality.

User Screens:

1. Login Screen

   • Email and password input fields.
   • "Login" button for secure authentication.

2. Gesture Videos Library

   • Display gesture thumbnails, metadata, and ratings.
   • Pagination or scrolling for browsing videos.

3. Gesture Video Details & Rating

   • Video player for viewing gestures.
   • Rating options for action, movement, and quality.

4. Logout

   • Secure logout button to exit the platform.

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4. Admin Role 👨‍💻

As an Admin, oversee platform functionality, campaigns, and user accounts.

User Stories:

• Manage user accounts and roles.
• Monitor campaigns and content submissions.
• Access analytics to track platform performance.
• Oversee quality by resolving flagged issues.

User Screens:

1. Admin Dashboard

   • Uploaded videos overview.
   • Options to delete or archive content.

2. Logout Option

   • Logout button to securely exit.

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System Architecture 🖥️

1. Frontend

• Login Page: For secure user authentication.
• Video Gallery: To explore gesture videos.
• Video Player & Rating: Allows users to watch and rate gestures.

2. Backend

• Authentication API: Handles login and registration.
• Video Data API: Retrieves gesture metadata.
• Rating Submission API: Manages user feedback.

3. Database & Storage

• Users Collection: Stores user details.
• Gesture Videos Collection: Manages metadata and content.
• Ratings Collection: Stores user ratings for videos.

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Entity-Relationship Diagram (ERD) 🗂️

Entities and Relationships:

1. Users

   • Attributes: user_id, email, password, name, created_at.
   • Relationships: Submits gesture videos, provides ratings.

2. Gesture Videos

   • Attributes: video_id, title, description, file_path, dialect, submitted_by.
   • Relationships: Receives ratings from users.

3. Ratings

   • Attributes: rating_id, video_id, user_id, actions_rating, movement_rating, quality_rating, created_at.

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Use Case Diagram 🎯

Key User Actions:

• Login/Signup: Access the platform securely.
• View Gesture Videos: Explore videos by category/dialect.
• Watch and Rate Videos: Provide ratings for improvement.
• Logout: Securely exit the platform.

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Project Plan & Flowcharts 📊

1. Admin Role Flowchart

• Manage user accounts and roles.
• Oversee flagged content and analytics.
• Monitor and perform database maintenance.

2. Viewer Role Flowchart

• Log in or sign up.
• View and explore gesture videos.
• Rate videos for feedback.
• Log out securely.

3. Contributor Role Flowchart

• Submit new gestures and metadata.
• Track status (pending, approved, rejected).
• Respond to feedback and resubmit if needed.

4. Editor Role Flowchart

• Review videos and metadata.
• Approve or reject content.
• Moderate flagged ratings and feedback.

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Key Features 🌟

• User Authentication: Secure login and registration system.
• Video Exploration: Discover PSL gestures by category/dialect.
• Interactive Feedback: Rate videos for quality improvement.
• Data Management: MongoDB storage for efficient and scalable data handling.

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The SignHub Crowdsourcing Platform is committed to bridging gaps in PSL resources through collaboration and high-quality validation. This platform will support the development, learning, and adoption of PSL at scale. 🚀

License

This project is licensed under the MIT License. See the LICENSE file for details.