Emotion-Detect

liuweiqing

Contains ads

About this app

About the App
EmotionDetect is an advanced real-time facial emotion recognition application, combining cutting-edge visual technology from Google MediaPipe with a custom-built emotion classification algorithm. It turns your mobile device into a powerful expression analyzer, capturing subtle facial micro-expressions with unprecedented accuracy.
Key Features
• Real-Time Emotion Classification: Identify 7 basic emotions (happy, sad, surprised, angry, disgusted, fearful, neutral) in seconds, with confidence scores displayed live.
• High-Precision Tracking: Use MediaPipe Face Landmarker to track up to 478 3D facial landmarks.
• Fine-Grained Expression Analysis: Deep dive into 52 Blendshape coefficients to capture subtle movements of the eyebrows, eyes, and mouth.
• AR Visualization: Overlay a semi-transparent facial mesh on the camera feed to visualize the AI’s understanding of your facial structure in real time.
• Ultra-Fast Performance: Locally optimized inference model for mobile devices, ensuring smooth performance while keeping all data private.
Technical Highlights
• Efficient streaming frame processing powered by CameraX.
• Built-in 5-frame moving average filter to reduce jitter and stabilize results.
• Auto-switch between front/back cameras, with light-compensation detection support.
Use Cases
• Psychology Research: Help record correlations between facial expressions and emotional fluctuations.
• Interactive Design: A prototyping tool for exploring emotion-driven user interfaces.
• Developer Learning: Study best practices for integrating MediaPipe with Android CameraX.
Privacy Statement
All image processing in this app is performed entirely on your device. No biometric data is ever uploaded or stored.

What’s new

Redesigned app icon with modern AI grid style and full Adaptive Icons support. Unified UI with consistent AI Purple theme and added accessible privacy policy links.
Optimized MediaPipe & ONNX emotion recognition algorithm and multi-frame filtering for lower latency and better light adaptation. Improved Gradle & R8 build config, cleaned redundant resources to enhance stability and reduce package size. Compatible with Android 7.0 (API 24)+.