Lift-able Camera Module for Background Blurring
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Solution Overview
Problem
Current mobile terminals with single rear cameras struggle to capture images where a principal object is in focus while blurring other objects, due to limitations in camera specifications and craftsmanship, and proposed solutions like camera arrays increase software calibration time, reducing photographing efficiency.
Innovation Solution
A capturing method using at least one lift-able camera in a terminal device that captures multiple images from different heights, performing fusion processing to obtain a captured photo, thereby reducing software calibration time and improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a camera array (dual rear cameras) is used to capture images from different angles simultaneously, then the ability to blur background and focus on principal object is improved, but the software calibration time is prolonged, reducing photographing efficiency
Solution Approach 1:
The patent segments the calibration process into two parts: factory calibration (performed once during manufacturing) and runtime calibration (performed before each photographing session). By pre-calibrating camera parameters at the factory, the runtime calibration time is significantly reduced, resolving the contradiction between achieving reliable background blurring and minimizing calibration time loss.
2Adaptability or versatility
If multiple cameras are used to capture images from different positions, then the photographing capability is improved, but the hardware interfaces and device complexity increase
Solution Approach 1:
The patent employs a movable camera module that can dynamically adjust its position along the optical axis between the lens and sensor. This single movable camera can occupy multiple positions to capture images from different effective distances, achieving multi-position capturing capability without adding multiple fixed cameras and their associated hardware interfaces, thus reducing device complexity while maintaining adaptability.
Data Source
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AI summary
The embodiments of the present application disclose a capturing method applicable to a terminal device defining at least one camera, the at least one camera including at least one lift-able camera, and the method including: displaying a capturing interface; receiving a capturing instruction; controlling a first camera to capture at least two images from different heights to obtain a captured photo, where the first camera is one of the at least one lift-able camera. By adopting the embodiments of the present application, software calibration time of the camera can be reduced, and the capturing efficiency can be improved.