Method and device for rendering subsurface scattering effect

A technology of subsurface scattering and incident surface, applied in the field of image processing, can solve the problems of low accuracy of light intensity and affect the authenticity of subsurface scattering effect, and achieve the effect of improving accuracy and authenticity

Active Publication Date: 2017-06-13
TENCENT TECH (SHENZHEN) CO LTD
View PDF4 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the low accuracy of calculating the light intensity of the exit point where the light exits the surface of the object, the light intensity of the exit point deviates from the actual light intensity, which affects the authenticity of the subsurface scattering effect of the object in the picture.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and device for rendering subsurface scattering effect
  • Method and device for rendering subsurface scattering effect
  • Method and device for rendering subsurface scattering effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0037] Embodiments of the present application provide a method and device for rendering subsurface scattering effects, which are applied to the rendering of subsurface scattering effects of objects in pictures involved in fields such as computer graphics, computer animation, and virtual reality, and improve The accuracy of the subsurface scattering of objects in the frame improves the realism of the subsurface scattering of objects in the frame.

[0038] For example, it can be appli...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a method and device for rendering the subsurface scattering effect. According to the scheme, after a target object to be rendered is determined, and aiming at each light emission point on a light emission surface in the target object, a plurality of target light incidence points are sampled from a light incidence surface; for each target light incidence point corresponding to the light emission points, based on the target distance between the target light incidence points and the target light emission points, the illumination intensities of the target light illumination intensity points is subjected to index attenuation, and attenuated illumination intensities is obtained; for each light emission point, multiple attenuated illumination intensities corresponding to the light emission points are summed up, and the illumination intensities of the light emission points are obtained; the subsurface scattering effect of the target object is rendered according to the illumination intensities of the light emission points on the light emission face. According to the scheme, the truthfulness of the rendered subsurface scattering effect of the object in a picture can be improved.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular to a method and device for rendering subsurface scattering effects. Background technique [0002] Subsurface scattering is a phenomenon in which light enters an object from the surface of a non-metallic object, scatters inside the object, and finally exits the object and enters the field of view. Subsurface scattering is mainly used to simulate a real light and shadow effect from the internal surface of transparent or translucent materials. For example, under the light of a candle, the end of the candle near the flame will show a translucent effect; Under the irradiation of light such as light, the effect of human skin and so on. [0003] Subsurface scattering has been widely used in 3D animation movies, games and many other fields to improve the realism of objects in the picture. In order to render the subsurface scattering effect produced by objects (such ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): G06T15/00
CPCG06T15/005
Inventor 刘皓
Owner TENCENT TECH (SHENZHEN) CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap