Parallel Optical and Image Compensation for Camera Shake
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Solution Overview
Problem
Digital photographing systems face image degradation due to camera shaking and disturbances during photography, leading to reduced image quality.
Innovation Solution
A digital photographing system that applies both optical and image compensation processes in parallel using motion data from a sensor, with the optical compensation process controlling the lens unit and image compensation data generation synchronized to compensate for camera movement, thereby enhancing image stability and quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If only image compensation process is applied, then device complexity is reduced, but image quality and stability are degraded due to camera shaking
Solution Approach 1:
The patent combines optical compensation (via lens unit movement) and image compensation (via image processing) into a unified compensation system. The controller coordinates both compensation mechanisms to work together, merging their advantages to achieve superior image stability and quality while managing system complexity through integrated control.
2Stability of the object's composition
If optical compensation process is always applied, then image stability is improved, but processing time and energy consumption increase
Solution Approach 1:
The patent implements dynamic compensation by selectively applying optical compensation based on real-time camera movement detection. The controller adjusts the compensation strategy according to the magnitude and type of motion detected, using optical compensation when movement exceeds a reference threshold and relying on image compensation for minor movements, thereby optimizing processing time and resource usage.
3Reliability
If both optical and image compensation are applied in parallel, then image quality is improved, but device complexity and processing overhead increase
Solution Approach 1:
The patent segments the compensation function into two distinct modules: optical compensation (lens unit movement) and image compensation (image processing). Each module operates independently but is coordinated by a controller that divides the compensation task based on camera movement characteristics, reducing overall system complexity while maintaining high image quality.
4Measurement precision
If motion data processing is enhanced for selective compensation, then compensation accuracy is improved, but processing time increases
Solution Approach 1:
The patent performs preliminary analysis of motion data to determine the appropriate compensation strategy before executing the compensation process. The controller pre-evaluates camera movement characteristics and selects the optimal compensation approach (optical, image, or both) in advance, which streamlines the subsequent compensation execution and reduces overall processing time while maintaining high accuracy.
Data Source
AI summary
A digital photographing system may include a lens unit detecting an image of a subject, and a first processor performing an image compensation data generation process and an optical compensation process in parallel. The optical compensation process may be a process of selectively controlling a movement of the lens unit based on motion data corresponding to a motion of a camera module. The image compensation data generation process may be a process of generating image compensation data corresponding to the image.