Camera Autofocus Lens Positioning via Shutter Input Detection
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Solution Overview
Problem
Recent electronic devices face challenges in efficiently adjusting focus while capturing high-resolution images, particularly due to the need for larger lenses and varied focus settings, which complicates the autofocusing process.
Innovation Solution
An electronic device with a processor-controlled camera module that identifies a set shutter input method and adjusts the lens location accordingly, moving it to a first or second position based on the method, allowing for quick and efficient autofocusing by determining the initial lens location and readjusting as necessary based on face recognition or other recognition functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a large size lens is used to capture high resolution images, then image quality is improved, but device complexity increases
Solution Approach 1:
The system performs preliminary actions by identifying the shutter input method in advance and pre-positioning the lens at the first or second location before image capture. This preliminary positioning based on predicted shooting scenarios reduces the complexity of real-time focus adjustment during capture, allowing the large lens to maintain high image quality without requiring complex dynamic focus mechanisms.
2Ease of operation
If various focus settings are provided to adjust focus easily, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The system implements self-service by automatically identifying the shutter input method and autonomously determining the appropriate lens position (first location for remote control/timer, second location for other methods). This eliminates the need for manual focus setting operations while avoiding complex focus adjustment mechanisms, thereby improving ease of operation without significantly increasing device complexity.
3Productivity
If the lens is moved to different locations for different shutter input methods, then productivity is improved, but device complexity increases
Solution Approach 1:
The system applies segmentation by dividing the shooting scenarios into distinct categories based on shutter input methods (remote control/timer versus other methods). Each category is assigned a specific lens location (first or second location), creating segmented focus positions optimized for different shooting types. This segmentation enables rapid productivity improvement by eliminating the need for complex real-time focus adjustment during capture.
Data Source
AI summary
An electronic device according to an embodiment of the present disclosure may include a display, a camera module comprising a camera, a memory, and a processor connected electrically to the display, the camera module, and the memory. The memory can store instructions which when executed by the processor cause the electronic device to perform a set shutter input method comprising, moving a lens of the camera module to a first location if the set shutter input method is a predetermined shutter input method, moving the lens of the camera module to a second location if the set shutter input method is not the predetermined shutter input method, receiving a shutter input, and capturing an image using the camera module in response to the received shutter input.