Color Space Conversion Chip for Wide Gamut Fidelity
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Solution Overview
Problem
Current color formats, such as sRGB, fail to fully utilize the wide color gamut capabilities of modern devices, leading to distortions and loss of data during image transmission and display, as they are not adaptable to the varying color gamuts of different multimedia devices, resulting in compromised color fidelity.
Innovation Solution
An integrated circuit chip with a content processing system that determines the format of image data and selectively maps it to match the color gamut capabilities of the sink device, using a simple color profile to encode and decode image data, allowing for flexible and efficient transmission and display across different devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If standardized color formats (e.g., sRGB) are used for image data transmission, then device compatibility is improved, but color fidelity deteriorates due to gamut mismatches between source and display devices
Solution Approach 1:
The patent implements dynamic color space conversion by detecting the display device's native color gamut characteristics and adaptively converting image data from standardized format (e.g., sRGB) to the device's native color space. This dynamic adaptation allows the system to maintain color fidelity by matching the output format to the specific display capabilities, rather than using a fixed standardized format for all devices.
Solution Approach 2:
The system changes the color space parameters (chromaticity coordinates, gamma values, white point) based on the detected display device characteristics. By adjusting these parameters to match the native color gamut of the display device, the patent preserves color information that would otherwise be lost in standardized format conversions.
2Loss of information
If color format conversion is performed between different color spaces, then color fidelity is improved, but system complexity increases due to multiple conversion requirements
Solution Approach 1:
The patent performs preliminary detection of the display device's native color gamut characteristics before image data transmission. By obtaining the display device's color space parameters in advance, the system can prepare the appropriate conversion parameters and perform efficient real-time conversion, reducing the complexity of on-the-fly format detection and multiple trial conversions.
3Measurement precision
If wide color gamut capabilities are utilized, then color representation accuracy is improved, but compatibility with legacy devices deteriorates
Solution Approach 1:
The patent creates a universal color management system that can handle multiple color gamut formats (standardized formats like sRGB and wide gamut formats like Adobe RGB or DCI-P3) by detecting the display device's capabilities. The system automatically adapts its output format to match the device, providing wide gamut support for capable devices while maintaining compatibility with legacy devices through standardized format fallback.
Data Source
AI summary
Methods, chips, systems, computer program products and data structures are described for conducting modification of color video signals from a first color format associated with an originating format to a second format compatible with a display media of a display device.