AR Headset Camera Switching Using Sensor-Based User Intent
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Wearable devices with multiple cameras lack an automated mechanism for activating or de-activating cameras, leading to cumbersome user interaction and inefficient power consumption.
Innovation Solution
A system that uses sensors such as camera image streams, hand gestures, IMU data, and audio cues to automatically select and activate the appropriate camera based on user intention and orientation, aligning the camera's field of view with the user's gaze or region of interest.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple cameras are kept active simultaneously, then the system can capture images from multiple perspectives, but power consumption increases and device resources are wasted
Solution Approach 1:
The system dynamically switches between different cameras based on real-time sensor data and user orientation, rather than keeping all cameras static. The processor monitors sensor inputs and activates only the camera whose field of view aligns with the user's current gaze direction or region of interest, making the camera activation state adaptive and dynamic.
Solution Approach 2:
The system uses sensor data from the device itself (accelerometers, gyroscopes, eye tracking) to automatically determine which camera should be active, eliminating the need for manual user selection. The device self-regulates camera activation based on its own operational state and sensor readings.
2Ease of operation
If manual selection mechanism is provided for choosing active camera, then user control is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The system automatically determines user intention through sensor data analysis without requiring explicit manual input. The processor interprets sensor signals (accelerometer orientation, gyroscope data, eye tracking position) to infer which camera the user wants to use, eliminating the need for complex manual selection interfaces.
Solution Approach 2:
The patent replaces manual mechanical or interface-based camera selection with an automated sensor-based detection system. Instead of using buttons, switches, or software menus for camera selection, the system uses sensor data processing to automatically identify user intent and activate the appropriate camera.
3Loss of energy
If camera activation is automated based on sensor data, then power efficiency is improved, but device complexity increases
Solution Approach 1:
The sensor system serves multiple functions: it tracks user orientation, determines gaze direction, identifies regions of interest, and triggers camera activation. By making the sensor system multi-functional, the patent avoids adding separate dedicated components for each function, thereby limiting the increase in device complexity.
Solution Approach 2:
The patent combines multiple camera control functions (activation, deactivation, switching) into a single automated decision-making process driven by sensor data. The processor integrates various sensor inputs and unified control logic to manage all camera operations, rather than having separate control mechanisms for each function.
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
A method for using cameras in an augmented reality headset is provided. The method includes receiving a signal from a sensor mounted on a headset worn by a user, the signal being indicative of a user intention for capturing an image. The method also includes identifying the user intention for capturing the image, based on a model to classify the signal from the sensor according to the user intention, selecting a first image capturing device in the headset based on a specification of the first image capturing device and the user intention for capturing the image, and capturing the image with the first image capturing device. An augmented reality headset, a memory storing instructions, and a processor to execute the instructions to cause the augmented reality headset as above are also provided.