Camera Shake Visualization During Exposure
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Solution Overview
Problem
Users cannot effectively determine the impact of camera shake on captured images during hand-held photography without an optical viewfinder, as existing methods only display camera motion relative to a reference position, failing to account for varying photography conditions such as focal length and subject size.
Innovation Solution
An image capturing apparatus with a shake detector, processor, and memory that generates and displays shake information during exposure, superimposing it onto a live view image, allowing users to visualize camera shake's influence on the image based on selected areas and photography conditions, enabling better correction and reduced blur.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If camera shake correction is implemented using image sensor driving, then image quality is improved, but the ability to monitor camera shake during exposure is lost
Solution Approach 1:
The patent creates a virtual copy of the image sensor's movement by calculating and displaying the relationship between the image sensor position and the subject image position. This allows users to see camera shake effects without actually displaying the moving image sensor, thus maintaining image quality while providing shake information.
Solution Approach 2:
The patent introduces an intermediary display mechanism that shows the relationship between image sensor movement and subject image position. This intermediary representation allows users to understand camera shake without directly observing the moving image sensor, resolving the contradiction between shake correction and shake visibility.
2Loss of information
If display unit shows live view image during exposure, then user can monitor camera shake, but image capturing performance deteriorates
Solution Approach 1:
The patent extracts only the necessary information (relationship between image sensor position and subject image position) from the actual image capture process and displays it separately. This allows users to monitor camera shake through calculated positional relationships without disrupting the actual image capturing performance.
3Ease of operation
If camera shake is displayed relative to reference position, then display simplicity is improved, but shake impact assessment capability deteriorates
Solution Approach 1:
The patent adds a new dimension to shake display by showing the relationship between image sensor position and subject image position. This dimensional transformation allows users to assess shake impact on the actual image while maintaining display simplicity through intuitive positional relationship visualization.
Data Source
AI summary
An image capturing apparatus includes an image sensor, a shake detector, at least one processor and a memory storing a program including instructions, which when executed by the at least one processor, cause the at least one processor to function as: a selection unit configured to select any area in an image capturing area, a generation unit configured to generate shake information during exposure of a still image on the image sensor in accordance with a detection result of the shake detector during the exposure of the still image, a photographing condition, and the area selected by the selection unit, and a control unit configured to cause the shake information to be displayed on a display unit during the exposure of the still image on the image sensor.