Image Processing Device Rendering High-Definition Content Responsively
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Solution Overview
Problem
High-definition image rendering and manipulation require significant processing power, leading to operability and responsiveness issues, especially when dealing with complex or high-definition content, and existing methods often manipulate regions without considering the image's structure, resulting in unintended or unnatural processing results.
Innovation Solution
An image processing device and method that includes a rendering block for rendering objects with alpha values, a shading processing block for estimating ambient occlusion, and an image manipulation section using a Z-buffer to extract and manipulate regions based on depth and surface projections, allowing for efficient rendering and natural image manipulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If high-definition image rendering is performed with complex display contents, then image quality is improved, but processing load is increased leading to degraded responsiveness
Solution Approach 1:
The rendering process is divided into two separate stages: a low-definition preview rendering that provides immediate visual feedback, and a high-definition final rendering that ensures image quality. This segmentation allows the system to maintain responsiveness during preview while achieving high definition in the final output, thus resolving the contradiction between image quality and responsiveness.
2Manufacturing precision
If alpha blending processing is performed on a large number of minute objects, then transparency expression is improved, but processing load is increased
Solution Approach 1:
The patent extracts and pre-calculates alpha values for transparent objects during the low-definition preview rendering phase. By separating the alpha value calculation from the final high-definition rendering, the system reduces the processing load during the critical final rendering stage while maintaining accurate transparency expression, thus resolving the contradiction between transparency quality and processing complexity.
3Adaptability or versatility
If image manipulation is performed on rectangular regions based on image plane, then manipulation flexibility is improved, but natural processing result is degraded
Solution Approach 1:
The patent applies different manipulation strategies to different regions of the image based on their characteristics. For regions containing transparent objects or fine details, it uses adaptive manipulation that respects the local structure and content, rather than applying uniform rectangular cropping. This local quality approach maintains both manipulation flexibility and natural processing results by adapting to the specific needs of each image region.
Data Source
AI summary
In an image processing device, an information processing section performs information processing according to an instruction input by a user. An alpha buffer generating block of an image processing section generates an alpha buffer representing, in an image plane, the alpha value of each pixel when designated objects formed by a plurality of objects are collectively regarded as one object. A rendering block reads each piece of model data from an image data storage section, and renders an image also including other objects than the designated objects. A shading processing block approximately calculates degrees of occlusion of ambient light on the image plane, and subjects the rendered image to shading processing on a basis of a result of the calculation.