Rendering method and device based on photon mapping and path tracking, equipment and medium

By combining photon mapping and path tracing, the problem of difficult to take into account both rendering efficiency and quality in the prior art is solved, and efficient and high-quality rendering effects are achieved.

CN119722890AActive Publication Date: 2025-03-28SHENZHEN RENDERBUS TECH
2 Cites 0 Cited by

Patent Information

Application Number
CN202411593748.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-03-28
Estimated Expiration
2044-11-08

AI Technical Summary

Technical Problem

The prior art is difficult to improve rendering quality while ensuring rendering efficiency, especially when dealing with complex scenes, which requires a long rendering time.

Method used

Using a rendering method based on photon mapping and path tracking, by obtaining the light source information and object information in the scene file, analyzing it based on a preset photon allocation algorithm, determining the photon allocation information, and controlling the photon propagation to generate a photon map. Then, the initial ray value is determined based on the photon map, the path tracking is performed to obtain the ray color record, and finally the target rendered image is obtained through pixel accumulation.

Benefits of technology

While ensuring rendering efficiency, it improves rendering quality, can effectively simulate complex lighting effects and light propagation, and generate high-quality rendered images.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention relates to the technical field of image processing, and particularly discloses a rendering method and device based on photon mapping and path tracking, computer equipment and a storage medium. According to the method, the photons are distributed according to the light source information and the object information, global illumination is quickly simulated by utilizing photon mapping, the photon mapping graph is obtained, unnecessary photon tracking is reduced, and the obtaining efficiency of the photon mapping graph is improved. And then, determining a light initial value according to the photon mapping graph, and performing path tracking on light emitted based on the light initial value, thereby effectively simulating propagation and reflection of the light, and obtaining a target rendering image. Rendering is realized in combination with photon mapping and path tracking, and the rendering quality is improved while the rendering efficiency is ensured.
Need to check novelty before this filing date? Find Prior Art