Viewpoint-Based Copy Region for 360-Degree Image Rendering
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Solution Overview
Problem
Current image display technologies face challenges in efficiently rendering and displaying 360-degree images, particularly in reducing data transmission time and processing overhead when converting planar-format images to sphere-format images for 360-degree viewing angles.
Innovation Solution
An image display apparatus and method that determine a copy region of a planar-format image based on the current viewpoint, transmit only the necessary image portion to a GPU for conversion to a sphere-format, and render the sphere-format image for display, allowing for efficient generation and display of 360-degree images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the entire planar-format image is transmitted to the GPU for conversion to sphere-format, then complete image data is available for rendering, but data transmission time and processing overhead increase significantly
Solution Approach 1:
The patent extracts only the necessary portion of the planar-format image that corresponds to the current viewpoint and transmits it to the GPU, rather than transmitting the entire image. This extraction of relevant data reduces transmission time and processing overhead while maintaining the quality of the rendered 360-degree image.
Solution Approach 2:
The patent segments the planar-format image into multiple regions based on the current viewpoint information, and transmits only the relevant segment to the GPU. This segmentation approach divides the large image data into smaller, manageable portions that can be processed more efficiently.
2Manufacturing precision
If a copy region larger than the output image region is selected, then sufficient data is provided for high-quality rendering, but data transmission volume increases
Solution Approach 1:
The patent applies local quality by transmitting a copy region that is locally optimized for the current viewpoint. The copy region size is carefully controlled to be larger than the final output region only where necessary to ensure sufficient data for high-quality rendering, while avoiding unnecessary transmission of excess data in other areas.
3Adaptability or versatility
If the system supports frequent viewpoint changes, then user interaction flexibility improves, but processing overhead and rendering time increase
Solution Approach 1:
The patent implements a dynamic system where the copy region is automatically adjusted based on the current viewpoint information. When the viewpoint changes, the system dynamically recalculates and transmits only the new relevant region, allowing frequent viewpoint changes without excessive processing overhead since only the changed portions need to be reprocessed.
Data Source
AI summary
An image display apparatus and a method of displaying an image are provided. The image display apparatus includes: a display; a graphics processing unit (GPU); and a processor configured to: determine a copy region of a planar-format image based on information regarding a current viewpoint, control the GPU to generate a sphere-format image by mapping an image corresponding to the copy region to a sphere and to generate an output image by rendering the sphere-format image, and control the display to display the output image.