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Rendering acceleration method with dynamic blurring for reducing sampling number

A technology of motion blur and rendering acceleration, applied in the field of rendering acceleration, it can solve the problem of low rendering quality and reduce the calculation time.

Active Publication Date: 2020-02-07
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing anti-aliasing method makes the rendering quality not high. Therefore, it is an urgent problem to propose a new solution to improve the rendering quality.

Method used

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  • Rendering acceleration method with dynamic blurring for reducing sampling number
  • Rendering acceleration method with dynamic blurring for reducing sampling number
  • Rendering acceleration method with dynamic blurring for reducing sampling number

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Embodiment Construction

[0022] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0023] figure 1 A flow chart showing a rendering acceleration method with motion blur and reduced number of samples provided by an embodiment of the present invention, see figure 1 , the rendering acceleration method with motion blur and reduced number of samples provided by the embodiment of the present invention, when rendering the region to be rendered in the image, includes:

[0024] S1. Determine whether the area to be render...

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Abstract

The invention provides a rendering acceleration method with dynamic blurring for reducing the sampling number, being characterized in that when a new frame of image is generated, only a part of areais sampled, and the color of a final pixel is obtained by weighted averaging of values sampled for continuous times. The probability that the region is sampled and the weight during weighted average are calculated by using the same probability density function, and the image is controlled by a second-order Bezier curve, so that a controllable image-based dynamic blurring effect is obtained. The algorithm can be combined with a geometric dynamic fuzzy algorithm in sampling so as to weaken the influence of the ghosting problem on the visual effect. For algorithms with large sampling expendituresuch as ray tracing and photon mapping in real-time rendering, the calculation time is effectively reduced, and the acceptable rendering quality is obtained.

Description

technical field [0001] The invention relates to the technical field of real-time rendering of computer graphics, in particular to a rendering acceleration method with motion blur and reduced sampling quantity. Background technique [0002] In real life, motion blur is a kind of blurred drag trace formed by the movement of the object during the exposure time when the camera shoots the object. Without motion blur in rendering, fast-moving objects will jump between multiple pixels in multiple frames, appearing as a kind of aliasing in time. The realization of motion blur mainly includes three ways: motion blur based on geometric change, motion blur based on accumulation buffer, and motion blur based on velocity buffer. [0003] Motion blur based on geometric changes, which changes the geometry itself in motion, and adds the geometry before and after motion to the space, that is, blurs the geometry itself. Based on the motion blur of the accumulation buffer, it achieves the ef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T7/11
CPCG06T7/11G06T5/90
Inventor 邹刘磊刘伟豪徐安琦戴新元黄炎余昊朱洪锦范洪辉
Owner JIANGSU UNIV OF TECH
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