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Gesture Control Architecture - Motion-Based DJ Interface

Transform your phone into a **motion-controlled DJ remote** using: - **Gemini Live Video**: Visual gesture interpretation - **Sensor Logger**: High-precision IMU data (accelerometer, gyroscope, magnetometer) - **Fusion Engine**: Combines both streams for robust recognition - **Training UI**: Practice and refine gestures for accuracy

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Transform your phone into a **motion-controlled DJ remote** using: - **Gemini Live Video**: Visual gesture interpretation - **Sensor Logger**: High-precision IMU data (accelerometer, gyroscope, magnetometer) - **Fusion Engine**: Combines both streams for robust recognition - **Training UI**: Practice and refine gestures for accuracy #### **Gemini Live Video Stream** - **Purpose**: Semantic understanding of gestures - **Strengths**: - Natural language interpretation ("user is swiping right") - Contextual awareness (hand position, body orientation) - Handles complex gestures (circles, waves, etc.) - **Weaknesses**: - Network latency (100-300ms) - Less precise numerical data - Lighting dependent #### **Sensor Logger IMU Data** - **Purpose**: High-precision motion capture - **Strengths**: - <10ms latency (nearly instantaneous) - Numerical precision (exact acceleration/rotation values) - Lighting independent - Works even when camera view is obscured - **Weaknesses**: - No visual context - Requires pattern matching (not semantic) - Needs calibration **Benefits of Fusion:** - **Reduces false positives** (both must agree for high confidence) - **Handles partial failures** (one source can compensate for the other) - **Improves accuracy** (cross-validation between modalities) | Gesture | Description | Video Cue | Sensor Pattern | Keyboard | Rekordbox Action | |---------|-------------|-----------|----------------|----------|------------------| | **swipe_right** | Swipe phone right | Hand right | accel_x > 2.0 | Cmd+Right | Play/Pause | | **swipe_left** | Swipe phone left | Hand left | accel_x < -2.0 | Cmd+Left | Skip back | | **tap_twice** | Double tap | Two taps | accel_z spikes x2 | Space | Cue | | **circle_cw** | Draw clockwise circle | Hand circles | gyro rotation CW | L | Loop 4 beats | | **circle_ccw** | Draw counter-clockwise | Hand circles | gyro rotation CCW | O | Exit loop | | **tilt_left** | Tilt phone left | Hand tilts | accel_x < -1.5 hold | [ | Crossfade left | | **tilt_right** | Tilt phone right | Hand tilts | accel_x > 1.5 hold | ] | Crossfade right | | **shake_vert** | Shake up/down | Hand shakes | accel_y oscillates | S | Sync | | **pinch** | Pinch fingers | Fingers together | N/A | - | Volume down | | **spread** | Spread fingers | Fingers apart | N/A | + | Volume up |

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