Accelerated Image Rendering with Motion Compensation
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Solution Overview
Problem
The increasing complexity of video rendering for high-resolution, high-frame-rate displays, particularly in mobile devices, leads to significant power consumption and processing demands due to the need to render entire frames anew, despite minimal changes between frames.
Innovation Solution
Implementing motion compensation techniques that analyze motion between frames to render only partial or downscaled images, using motion vectors to enhance and upscale these images, thereby reducing processing resources and power consumption while maintaining high-quality video rendering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If entire frames are rendered anew for each display, then high-quality video rendering is achieved, but power consumption and processing demands increase significantly
Solution Approach 1:
The patent divides the frame rendering process into two segments: (1) render only a small portion of the frame at full resolution, and (2) use motion compensation to generate the remaining pixels from reference frames. This segmentation allows the system to achieve full-frame rendering quality without processing every pixel, thereby reducing power consumption while maintaining image quality.
Solution Approach 2:
The patent applies partial action by rendering only a small image (e.g., 1/4 or 1/9 of the full frame size) instead of the entire frame. The motion compensation algorithm then fills in the remaining areas by copying and transforming pixels from reference frames. This partial rendering approach significantly reduces computational load and power consumption while maintaining overall frame quality.
2Manufacturing precision
If full-resolution frames are rendered for every frame, then high-quality video output is achieved, but processing resources are excessively consumed
Solution Approach 1:
The rendering process is segmented into a small full-resolution image rendering step and a motion-compensated frame generation step. This division allows the system to focus computational resources only on the small rendered image while using algorithmic operations for the rest of the frame, improving processing efficiency without sacrificing output quality.
Solution Approach 2:
The patent uses motion compensation to copy pixels from reference frames to generate the full target frame. Instead of rendering every pixel, the system identifies corresponding pixels in previous frames and copies them with appropriate motion transformations. This copying approach dramatically reduces processing resource consumption while maintaining frame quality.
3Productivity
If motion compensation is used to reduce rendering, then processing resources are reduced, but image quality may deteriorate
Solution Approach 1:
The patent applies local quality by rendering a small portion of the frame at full resolution with high quality, while using motion compensation for the remaining areas. The motion-compensated regions are strategically placed and blended to maintain overall frame quality. This approach ensures that critical areas are rendered at full quality while reducing processing resources through selective use of motion compensation.
Data Source
AI summary
Various methods and systems are provided for accelerated image rendering with motion compensation. In one embodiment, a method comprises calculating motion between a preceding image frame and a target image frame to be rendered, rendering a small image with a size smaller than a target size of the target image frame based on the calculated motion, and generating the target image frame at the target size based on the small image, the calculated motion, and a reference image frame. In this way, high-quality image frames for a video stream may be generated with a reduced amount of rendering for each frame, thereby reducing the overall processing resources dedicated to rendering as well as the power consumption for image rendering.