Imaging Device Roll Correction for Display and External Output
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Solution Overview
Problem
Existing imaging devices that output captured images to both a display unit and an external destination often cause discomfort to the image capturing person due to unintended image inclination changes when the device is tilted, as the image correction methods do not differentiate between the display unit and external output destinations.
Innovation Solution
An imaging device with a processor and memory that performs roll correction differently for the display unit and external output destinations, minimizing correction for the display unit to prevent discomfort to the image capturing person while ensuring accurate image orientation for external viewers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If roll correction is applied to correct image inclination when the device is tilted, then image orientation accuracy for external viewers is improved, but the image capturing person experiences discomfort due to unintended image inclination changes
Solution Approach 1:
The patent segments the image processing into two distinct paths: one for the display unit (with minimal or no roll correction) and another for external output destinations (with full roll correction). This segmentation allows each output channel to receive appropriately processed images, resolving the contradiction between orientation accuracy and user comfort.
Solution Approach 2:
The patent applies different image processing qualities to different output destinations. The display unit receives images with local quality optimized for the image capturing person's comfort (minimal correction), while external destinations receive images with local quality optimized for orientation accuracy (full correction).
2Ease of operation
If roll correction is minimized for the display unit to prevent discomfort to the image capturing person, then ease of operation is improved, but image orientation accuracy for external viewers deteriorates
Solution Approach 1:
The patent divides the image distribution system into segmented channels with different processing requirements. The display unit channel prioritizes user comfort with minimal roll correction, while the external output channel prioritizes orientation accuracy with full roll correction, eliminating the need to choose one over the other.
Solution Approach 2:
The patent implements dynamic image processing that adapts to the destination. The same captured image is dynamically processed with different roll correction degrees based on whether it is being sent to the display unit or external destinations, allowing optimal performance for each use case.
3Device complexity
If the same image processing is applied to both display unit and external output destinations, then device complexity is reduced, but adaptability to different viewing conditions deteriorates
Solution Approach 1:
The patent segments the image processing workflow into distinct processing chains for different output destinations. This segmentation enables the device to adapt to different viewing conditions (display unit vs. external destinations) while maintaining manageable complexity through modular processing architecture.
Solution Approach 2:
The patent creates a universal image processing framework that handles multiple output destinations with different requirements through a single system. The processor applies different processing parameters to the same input image based on the destination, providing multi-functionality without requiring separate processing systems.
Data Source
AI summary
An imaging device in which an imaging sensor that captures an image and a display unit that displays the image are provided includes: an image processing unit configured to perform roll correction on the image; a control unit configured to control an output of the image; and a display control unit configured to display the output image on the display unit. The image processing unit performs the roll correction such that a degree of correction of the roll correction when the image is to be output to only the display unit is less than a degree of correction of the roll correction when the image is to be output to the display unit and an output destination other than the display unit.