Mobile Terminal Dual Camera Orientation Control
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Solution Overview
Problem
Existing mobile terminals with multiple cameras face challenges in capturing high-quality images of specific objects without degrading image quality, and users find it inconvenient to switch between different camera views based on the device's orientation.
Innovation Solution
A mobile terminal with two cameras, where one camera captures a wide-angle view and the other a normal view, allows simultaneous image capture and optimizes image quality based on the device's orientation, enabling users to easily switch between views by manipulating the terminal's housing orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a mobile terminal uses a single camera for image capture, then the device structure remains simple, but it cannot capture high-quality images of specific objects without degrading image quality
Solution Approach 1:
The mobile terminal divides the imaging function into two separate cameras: a wide-angle camera for capturing the overall scene and a telephoto camera for capturing specific objects. This segmentation allows each camera to be optimized for its specific function, thereby improving image quality for both wide shots and close-ups without requiring a single complex camera system
Solution Approach 2:
The mobile terminal implements multi-functionality by equipping it with both wide-angle and telephoto cameras, enabling the device to perform multiple imaging functions (wide-angle photography, telephoto photography, and panorama capture) simultaneously. This allows the terminal to adapt to different shooting scenarios and maintain high image quality across various use cases
2Manufacturing precision
If users manually switch between different camera views, then image quality can be optimized for specific scenarios, but the operation becomes inconvenient and time-consuming
Solution Approach 1:
The mobile terminal implements self-service by automatically detecting the user's intended shooting scenario through gesture recognition (such as pinching or spreading motions on the touchscreen) and autonomously selecting the appropriate camera (wide-angle or telephoto) without requiring manual intervention. This maintains image quality optimization while significantly improving ease of operation
Solution Approach 2:
The system uses feedback from user gestures detected on the touchscreen interface to dynamically adjust camera selection. When the user performs a specific gesture (e.g., pinching to zoom), the system interprets this feedback and automatically switches to the appropriate camera mode, creating a seamless and intuitive user experience
3Manufacturing precision
If the mobile terminal captures both wide-angle and telephoto images simultaneously, then image quality for specific objects is maintained, but the device consumes more energy
Solution Approach 1:
The mobile terminal dynamically adjusts camera activation based on real-time shooting requirements. Instead of keeping both cameras continuously active, the system activates only the necessary camera (wide-angle or telephoto) based on the detected gesture or shooting mode, thereby maintaining high image quality for specific objects while significantly reducing energy consumption during normal operation
Data Source
Figure 1a
Figure 1b~1c
Figure 2~3
AI summary
The present invention relates to a mobile terminal having a plurality of cameras and a video image capturing control method thereof. The mobile terminal according to an embodiment of the present invention comprises: a memory; a display unit; a first camera for acquiring a first image corresponding to a preview image being displayed on the display unit; a second camera for detecting an object in the preview image by the first camera, and acquiring a second image for the detected object; and a control unit for controlling the first camera to respond to a signal for acquiring the first image, and the second camera to acquire the second image together.