Redeye Correction Apparatus with Visual Area Highlighting
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Solution Overview
Problem
Users face difficulties in determining which areas of an image have been corrected, particularly in flash photography where redeye phenomena occur, as existing methods require manual application of correction commands and lack clear indication of corrected regions.
Innovation Solution
An image correction apparatus and method that detects correction target areas, applies color and brightness corrections, and controls a display to explicitly highlight the corrected areas, allowing users to visually identify the corrected regions through framing, arrows, flashing, or color changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the corrected image is displayed without explicit indication of corrected areas, then the display is simple and clean, but the user cannot determine which areas have been corrected
Solution Approach 1:
The patent applies color changes to indicate corrected areas by displaying them in inverted colors or with different color tones compared to uncorrected areas. This allows users to visually distinguish corrected regions without adding complex graphical overlays, maintaining display simplicity while providing clear information about which areas have been processed.
Solution Approach 2:
The patent segments the display information by separately showing corrected and uncorrected areas with distinct visual characteristics. By dividing the image into corrected and uncorrected portions with different visual treatments, the system provides clear information about correction status without requiring complex integrated displays.
2Ease of operation
If manual application of correction commands is required, then the correction process can be controlled precisely, but the operation becomes troublesome and time-consuming
Solution Approach 1:
The system performs automatic correction by detecting redeye areas and applying correction algorithms without requiring manual user intervention. The apparatus identifies correction targets automatically and executes the correction process, saving user time and effort while maintaining precise control through automated detection and correction application.
Solution Approach 2:
The system performs preliminary detection of correction areas before applying corrections. By pre-identifying redeye regions and preparing correction parameters in advance, the system streamlines the correction process, reducing the time and steps required for users to obtain corrected images.
3Reliability
If multiple correction types are applied to the same area, then the correction effectiveness is improved, but the processing complexity increases
Solution Approach 1:
The patent combines multiple correction operations (color correction, brightness adjustment, saturation modification) into a single integrated correction process. By merging these correction types and applying them simultaneously to detected redeye areas, the system improves correction effectiveness while avoiding the complexity of separate, sequential correction steps.
Data Source
AI summary
Whether the image of a subject contains a redeye-image area is detected. If the image contains a redeye-image area, this area is corrected. In order that a user can ascertain that a redeye-corrected image area has been corrected, a frame is displayed around this corrected image area. The fact that the image area within the frame has undergone the redeye-image correction can be ascertained owing to display of the frame. The user can ascertain which area in the image of the subject has been subjected to redeye-image correction processing.