Dual Camera Focus Control via Touch Point Segmentation
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Solution Overview
Problem
Dual camera terminals struggle to focus simultaneously, resulting in blurred close-range or distant views when attempting to capture both in a single photo, which affects user experience and photo quality.
Innovation Solution
A focusing method that uses two touch points on a shooting preview interface to determine and adjust the focus of two cameras, ensuring they remain on the same straight line, allowing users to slide touch points to adjust camera focuses in real-time, ensuring simultaneous focus and high-definition composite photos.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If two cameras are used to capture both close-range and distant views, then the photo quality and user experience are improved, but the cameras cannot focus simultaneously causing blurred images
Solution Approach 1:
The patent divides the control of two cameras into independent touch points, allowing each camera to have its own focus control point. This segmentation enables simultaneous independent focusing of both cameras on different subjects (close-range and distant views), resolving the conflict between using dual cameras and maintaining focus accuracy.
Solution Approach 2:
The patent introduces a spatial dimension by arranging touch points in different positions on the screen corresponding to different focus distances. By mapping touch point positions to camera focus distances, the system enables simultaneous focusing at multiple depths, transforming the single-focus limitation into multi-focus capability through spatial positioning.
2Device complexity
If a single camera is used, then the device complexity is reduced, but the ability to capture both close-range and distant views clearly is lost
Solution Approach 1:
The patent makes a single camera system perform multiple focusing functions by enabling it to focus on different distances simultaneously through touch point control. The camera system becomes universal, capable of capturing both close-range and distant subjects clearly in the same photo, eliminating the need for additional specialized cameras while maintaining photo quality.
3Ease of operation
If two touch points are used to control two cameras, then the ease of operation is improved, but the precision of focus adjustment must be maintained
Solution Approach 1:
The patent implements feedback mechanisms where the system monitors touch point positions and automatically adjusts camera focus accordingly. The sliding trace detection provides continuous feedback, allowing the system to maintain precise focus adjustment while responding to user touch operations, thus balancing ease of operation with focus position accuracy.
Data Source
AI summary
A method and a terminal for focusing includes: a determining step, determining a first camera focus of two camera focuses of two cameras corresponding to a first touch point of two touch points and a second camera focus of the two camera focuses of the two cameras corresponding to a second touch point of the two touch points, respectively, when a shooting preview interface corresponding to the two cameras is displayed and the two touch points are detected on the shooting preview interface; and a focus adjustment step, adjusting position of the first camera focus and the second camera focus, respectively, according to a sliding trace of the first touch point and a sliding trace of the second touch point on the shooting preview interface, in which the first camera focus and the second camera focus are on a same straight line.