Multi-Camera Preview Switching for Delay-Free Magnification
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Solution Overview
Problem
Electronic devices with multiple cameras experience delays in switching between cameras due to activation time during magnification adjustments, leading to reduced usability.
Innovation Solution
The electronic device activates a second camera before receiving user input for adjusting magnification, allowing seamless transitions between cameras without noticeable delays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the electronic device switches between cameras during magnification adjustment, then the desired magnification can be achieved, but delays occur due to camera activation time
Solution Approach 1:
The system activates the second camera in advance, before the user actually requests magnification adjustment. This preliminary activation ensures the camera is ready and eliminates the delay that would occur if activation happened after the user's input, thus resolving the contradiction between achieving desired magnification and avoiding time loss during switching.
2Ease of operation
If the camera is activated before user input, then switching delays are prevented, but camera activation time is consumed unnecessarily
Solution Approach 1:
The system monitors user input patterns and camera usage states to intelligently determine when to activate the second camera. By using feedback from user behavior and system state, the activation timing is optimized to balance usability improvement against unnecessary energy consumption, activating only when likely to be needed rather than always in advance.
Data Source
AI summary
An electronic device and method are disclosed. The device includes a display, a plurality of cameras, a memory storing instructions, and at least one processor. The processor implements the method, including: displaying on the display, a preview of a first image acquired using a first camera from among the plurality of cameras, receiving a first input while the preview is displayed, wherein the first input is received before reception of a second input adjusting a magnification level of the preview, in response to receiving the first input, activating a second camera from among the plurality of cameras, receiving the second input for adjusting the magnification of the preview when a second image, distinct from the first image, is acquired using the activated second camera, and displaying the preview, based on at least a part of the second image and at least partially based on receiving the second input.