Video Transition Controller for HDR Interstitial Brightness Matching
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Solution Overview
Problem
Current video processing technologies struggle to provide a smooth transition between high dynamic range (HDR) video content and interstitial content items, such as advertisements, leading to visually unpleasing changes in brightness and darkness for viewers.
Innovation Solution
A method and device that detect transitions between different metadata-associated frames in a video sequence, controlling brightness properties of interstitial content to match those of the main video content, using a video transition controller to dynamically adjust visual properties for a seamless transition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If HDR video format is used to provide wider brightness and darkness range, then picture detail and visual quality are improved, but the transition to interstitial content items becomes more apparent and visually unpleasing
Solution Approach 1:
The system performs preliminary detection of transitions between different video content types (e.g., HDR to SDR, different brightness ranges) before the actual content switch occurs. By detecting metadata changes in advance, the system can pre-adjust brightness and darkness parameters to ensure a smooth visual transition, preventing the harmful effect of abrupt visual changes while maintaining the benefits of HDR format.
2Reliability
If interstitial content items are displayed with their original visual properties, then content integrity is maintained, but visual appearance is not synchronized with main video content
Solution Approach 1:
The system applies different visual property adjustments to different parts of the video stream based on local content characteristics. When interstitial content is detected, the system selectively adjusts brightness and darkness parameters only for that specific content segment while leaving the main video content unchanged. This localized adjustment maintains the integrity of the original content while ensuring visual synchronization at the boundaries between content types.
3Object-affected harmful factors
If video transition controller adjusts visual properties of interstitial content, then smooth transition is achieved, but processing complexity increases
Solution Approach 1:
The system focuses on adjusting a limited set of critical visual parameters (brightness and darkness) rather than modifying all visual properties of the video content. By concentrating on these key parameters that have the most significant impact on visual continuity, the system achieves smooth transitions while minimizing processing complexity. The metadata-driven approach allows for automated parameter adjustment without requiring complex analysis of the entire video content.
Data Source
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AI summary
Various aspects of a video processing device and method for display control includes detection, from a sequence of image frames received from a video source, a transition from one or more frames associated with a first metadata to one or more other frames associated with a second metadata. First visual properties of the one or more frames are determined based on the first metadata. Second visual properties of the one or more other frames are determined based on the second metadata. The determined second visual properties of the one or more other frames are controlled in accordance with the determined first visual properties of the one or more frames to enable a smooth transition.