Live View Brightness Control Under Exposure Time Limits
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Solution Overview
Problem
Existing image processing techniques struggle to achieve desired display brightness in low-light conditions while maintaining smooth motion in live view displays, as they either prioritize smoothness at the cost of brightness or vice versa, with limitations in exposure time and brightness adjustment.
Innovation Solution
An image processing apparatus and method that includes a processor and memory to set display modes based on captured image brightness, allowing brightness adjustment processing when exposure time reaches an upper limit, thereby increasing display brightness to match desired levels, even in modes prioritizing smoothness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If exposure time is extended to increase display brightness in low-light conditions, then display brightness is improved, but motion smoothness deteriorates due to jerky motion in live view display
Solution Approach 1:
The system dynamically adjusts the upper limit of exposure time based on the selected display mode (visibility priority or smoothness priority) and automatically switches between different display modes depending on lighting conditions, making the exposure time limit flexible rather than fixed to resolve the contradiction between brightness and motion smoothness
Solution Approach 2:
The invention changes the exposure time parameter dynamically by setting different upper limits based on display mode and switching display modes based on scene brightness, allowing the system to adapt between brightness optimization and motion smoothness optimization by adjusting this key parameter
2Speed
If exposure time is limited to a predetermined time or less to prioritize smoothness, then motion smoothness is improved, but display brightness deteriorates in dark scenes
Solution Approach 1:
The system makes the exposure time limit dynamic by setting different upper limits based on the selected display mode and automatically switching between display modes based on lighting conditions, allowing the system to extend exposure time when visibility is prioritized or when automatic switching detects low-light conditions
Solution Approach 2:
The system automatically switches between visibility priority mode and smoothness priority mode based on the brightness of the captured image, enabling the system to self-adjust and select the appropriate display mode without user intervention to maintain optimal display quality
3Illumination intensity
If brightness adjustment processing is applied to increase display brightness, then display brightness is improved, but the upper limit of brightness increase restricts achieving desired brightness levels
Solution Approach 1:
The system performs preliminary action by setting the upper limit of exposure time based on the selected display mode before capturing the image, and automatically switching display modes based on scene brightness, preparing the optimal exposure parameters in advance to achieve desired brightness without excessive post-processing
Solution Approach 2:
The invention makes the exposure time limit dynamic rather than fixed, allowing extension beyond predetermined limits when visibility priority mode is selected or when automatic switching determines low-light conditions, providing greater flexibility in achieving desired brightness levels
Data Source
AI summary
An image processing apparatus according to the present disclosure includes a processor and a memory, wherein in a second display mode, in a case where an exposure time reaches an upper limit, brightness adjustment processing is performed, the brightness adjustment processing being processing of increasing display brightness of a display image data in a display to display brightness substantially equal to display brightness in a first display mode.