Image Stabilization Reference Angle Control for Continuous Shooting
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Solution Overview
Problem
Existing image pickup apparatuses face challenges in effectively combining multiple images taken during continuous shooting to produce a composite image data without image blur, especially when camera shake occurs, as they lack efficient attitude detection and image stabilization mechanisms.
Innovation Solution
An image pickup apparatus with an attitude detection portion to detect changes in attitude, an image stabilization portion to correct image blur, and an image stabilization control portion to calculate and implement correction movements, ensuring that the image pickup device maintains a consistent reference angle during continuous image capture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple images are continuously captured to generate composite image data, then image quality and exposure appropriateness are improved, but image blur occurs due to camera shake during the continuous shooting process
Solution Approach 1:
The attitude detection portion detects camera attitude changes during continuous image capture, and the image stabilization control portion pre-calculates correction amounts based on detected attitude changes before image synthesis. This preliminary correction action compensates for anticipated blur, allowing successful composite image generation despite camera shake
Solution Approach 2:
The system continuously monitors attitude changes via the attitude detection portion and feeds this information back to the image stabilization control portion, which adjusts correction amounts in real-time. This feedback mechanism enables dynamic compensation for camera shake throughout the continuous shooting sequence, maintaining image stability while capturing multiple frames
2Stability of the object's composition
If image stabilization is applied during continuous shooting, then image blur is reduced, but computational complexity and processing time increase
Solution Approach 1:
The image stabilization control portion pre-calculates correction amounts based on attitude detection results before image synthesis occurs. By performing stabilization corrections in advance rather than during or after image capture, the system reduces real-time computational burden while maintaining effective blur correction
Solution Approach 2:
The system separates image stabilization control from image synthesis processing. The attitude detection and correction amount calculation are handled independently during capture, then results are applied to individual images before final composite synthesis. This segmentation simplifies overall processing complexity by dividing tasks into distinct stages
3Stability of the object's composition
If the image pickup device moves to correct attitude changes, then image blur is corrected, but the reference angle may become misaligned across continuously captured images
Solution Approach 1:
The image stabilization control portion determines correction amounts based on attitude detection results before image capture begins. By establishing the reference angle and correction strategy in advance, the system ensures consistent reference alignment across all continuously captured images while still applying necessary stabilization corrections
Solution Approach 2:
The system applies different correction strategies to different aspects of image stabilization. The reference angle is maintained consistently across all images for proper alignment, while local correction amounts are adjusted based on specific attitude changes detected for each image. This allows simultaneous maintenance of global reference accuracy and local blur correction
Data Source
AI summary
An image pickup apparatus includes: an image pickup device; a body portion; an attitude detection portion configured to detect an attitude of the body portion; an image stabilization portion configured to correct image blur; an image stabilization control portion configured to calculate an amount of correction for the image stabilization portion; and a control portion including an image processing portion configured to generate one piece of composite image data from a group of continuously picked-up images; wherein the image stabilization control portion sets a reference angle at a time of picking up image data picked up first in the group of continuously picked-up images, and drives the image stabilization portion so that the reference angle corresponds to inclination of each image at a time of picking up image data picked up for a second time and after.