An in-depth evaluation of a Virtual Mouse system that combines voice commands, hand gesture detection, and eye tracking to produce a multimodal, hands-free human-computer interaction (HCI) interface is discussed in this work. The Virtual Mouse was created to improve accessibility and efficiency, especially for users who have physical restrictions. It enables users to do tasks using voice input, control a computer pointer using eye movements, and execute orders with hand gestures. We describe the system architecture in detail, talk about implementation issues, and assess performance, emphasizing increased accuracy and user satisfaction over conventional input techniques. Future research will concentrate on improving responsiveness and usability for wider HCI adoption, with potential applications spanning virtual/augmented reality environments, gaming, and accessibility solutions.
Introduction
The evolution of Human-Computer Interaction (HCI) has led to the development of virtual mouse technologies that replace traditional input devices with more accessible, hands-free, and intuitive alternatives. These technologies are especially beneficial for users with disabilities or in environments where keyboards and mice are impractical.
I. Background
Early virtual mice used head movements and basic eye-tracking.
Later developments included gesture-based systems and eye-tracking devices like the Tobii Eye Tracker.
Initial challenges included high cost, limited accuracy, and sensitivity to lighting conditions.
II. Current Landscape
Modern virtual mice integrate multimodal interactions, combining:
Eye tracking for cursor movement.
Gesture recognition for clicks and drags.
Voice commands for executing actions.
Recent advances in machine learning, computer vision, and natural language processing have improved usability and accuracy.
Studies show these systems reduce task time and improve accessibility, though challenges like environmental robustness remain.
III. Methodology
Eye Tracking:
Implemented using MediaPipe and PyAutoGUI.
Eye movements control the cursor; blinks or gaze patterns simulate clicks.
Hand Gesture Recognition:
Uses MediaPipe, CNNs, and optical flow.
Recognizes gestures like clicks, drags, and swipes.
Voice Commands:
Controlled by an Artificial Neural Network (ANN).
Recognizes spoken commands for cursor actions with <300 ms latency and ~90% accuracy.
IV. System Architecture
Integrates eye, hand, and voice modules for seamless interaction.
Supports:
Real-time cursor navigation
Hands-free clicking
Gesture-based dragging and selection
Voice-command execution
Designed for 90%+ accuracy with low response lag (<50 ms).
V. Implementation
Visible Light Limbus Tracking used for eye movement detection.
Hand gestures detected using MediaPipe’s 3D hand landmarks.
Voice input mapped to actions using speech recognition libraries and pyautogui for control execution.
Multimodal design enhances user comfort, reduces fatigue, and increases accessibility.
VI. Future Scope
AI Integration for adaptive personalization and improved precision.
Faster response times through optimized models.
Context-aware systems that adapt to user behavior and environmental conditions.
Greater accessibility and usability for individuals with varying abilities.
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