Wearable Device Synchronizes Camera Focus via Eye Gaze
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Solution Overview
Problem
Users find it difficult to control the focus of a camera when photographing themselves, as existing focusing methods are not intuitive or efficient for this scenario.
Innovation Solution
A wearable device that receives user input to change the camera's focus, using touch inputs, eye tracking, or spatial gestures to synchronize the focus point with the camera's preview display, allowing users to easily adjust and capture images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a user photographs a target object while viewing an image thereof through a camera interface, then the focusing function can be controlled, but it becomes difficult to control focus when the user himself/herself is the target object
Solution Approach 1:
The patent introduces a wearable device as an intermediary between the user and the camera system. When the user is the target object, the wearable device serves as a mediator that receives user input (such as eye gaze direction or touch input on a connected display) and transmits focus control signals to the camera, enabling self-photography without requiring the user to manually operate the camera interface
Solution Approach 2:
The patent replaces manual mechanical operation of camera controls with automated eye tracking or gesture-based control. The eye tracking system detects the user's gaze direction and automatically adjusts the camera focus accordingly, eliminating the need for manual intervention and solving the problem of self-photography control
2Adaptability or versatility
If traditional camera interface methods are used for focus control, then the system remains simple, but the user cannot easily adjust focus when photographing themselves
Solution Approach 1:
The wearable device serves multiple functions: it acts as an eye tracker, a communication interface, a gesture recognition device, and a controller for the camera system. By consolidating these functions into a single wearable device, the system achieves self-photography capability without proportionally increasing overall complexity
Solution Approach 2:
The system enables the user to control the camera themselves through natural interactions such as eye gaze or simple gestures detected by the wearable device. The camera automatically adjusts focus based on the user's intended target, making the system self-adjusting and eliminating the need for complex manual control mechanisms
Data Source
AI summary
Provided are a method used by a user to change focus of a camera to a particular point with respect to a target object via a wearable device and the wearable device performing the method. The wearable device may display a target object image displayed on a preview display of the camera and may receive a user input for changing focus to a particular point of the target object image. The wearable device may request the camera to change focus based on the user input.