Framebuffer Image Processing for High-Quality Low-Power Rendering

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Solution Overview

Problem

High-resolution image rendering on electronic devices leads to increased computing power overheads and power consumption, resulting in heating and stuttering, while existing methods to reduce rendering load often compromise image clarity.

Innovation Solution

An image processing method that improves image resolution and quality by using off-screen framebuffers for complex content, applying image quality enhancement processing before drawing on the primary framebuffer, and incorporating sharpening and noise reduction techniques.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If high-resolution image rendering is performed directly on the on-screen framebuffer, then image quality is improved, but computing power overhead and power consumption increase

Engineering Contradiction:

Improveimage qualityVSAvoidpower consumption

Core Design Contradiction:

Manufacturing precisionVSUse of energy by moving object

Solution Approach 1:

The rendering process is segmented into two stages: off-screen rendering at lower resolution followed by on-screen rendering at higher resolution. This divides the原本 monolithic high-resolution rendering task into manageable parts, reducing peak computing power requirements and power consumption while maintaining final image quality.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent performs preliminary rendering operations in an off-screen framebuffer at a lower resolution before the final on-screen rendering. This preliminary action prepares the base image content, reducing the computational burden during the critical on-screen display phase and thereby reducing overall power consumption.

Inventive Principle:

Principle #10Preliminary action

2Use of energy by stationary object

If rendering load is reduced by using lower resolution, then power consumption is decreased, but image clarity deteriorates

Engineering Contradiction:

Improvepower consumptionVSAvoidimage clarity

Core Design Contradiction:

Use of energy by stationary objectVSManufacturing precision

Solution Approach 1:

The patent applies different resolution qualities to different rendering stages: lower resolution for off-screen preliminary rendering and higher resolution for on-screen final rendering. This local differentiation of quality ensures energy efficiency in preliminary processing while guaranteeing image clarity in the final display.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent changes the resolution parameter between rendering stages. The off-screen framebuffer uses a lower resolution parameter to reduce computational load, while the on-screen framebuffer uses a higher resolution parameter to ensure image clarity. This dynamic parameter adjustment resolves the contradiction between power consumption and image quality.

Inventive Principle:

Principle #35Parameter changes

3Manufacturing precision

If high-resolution rendering is performed continuously, then image quality is maintained, but device heating increases

Engineering Contradiction:

Improveimage qualityVSAvoiddevice heating

Core Design Contradiction:

Manufacturing precisionVSTemperature

Solution Approach 1:

By segmenting the rendering into off-screen and on-screen phases with different resolution requirements, the patent reduces the continuous high-resolution computational load that causes heating. The lower-resolution off-screen phase generates less heat, allowing the device to maintain image quality while managing thermal output.

Inventive Principle:

Principle #1Segmentation

4Manufacturing precision

If rendering complexity is increased to improve image quality, then visual experience is enhanced, but rendering performance and frame rate deteriorate

Engineering Contradiction:

Improveimage qualityVSAvoidrendering performance

Core Design Contradiction:

Manufacturing precisionVSProductivity

Solution Approach 1:

The patent performs preliminary rendering in the off-screen framebuffer where complex rendering operations can be executed at lower resolution with reduced performance impact. This preliminary action prepares the image content before the final high-resolution on-screen rendering, balancing image quality enhancement with rendering performance maintenance.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS12437454B2Image processing method, electronic device, and storage medium

Publication Date: 2025.10.07 HONOR DEVICE CO LTD

AI summary

Embodiments of this application provide an image processing method, an electronic device, and a storage medium, which relates to the field of computer technologies. The method includes: receiving a first binding instruction delivered by an application program, where an operation type in the first binding instruction is not a read-only type, and a first framebuffer identifier in the first binding instruction indicates a first framebuffer used for on-screen rendering; receiving a first rendering instruction delivered by the application program, where the first rendering instruction indicates to draw first image content; and executing a second rendering instruction, to draw second image content on the first framebuffer, where the second rendering instruction indicates to draw the second image content, the second image content is generated based on the first image content, and a resolution of the second image content is higher than a resolution of the first image content.