Soft shadow image rendering method and apparatus, and device, storage medium and program product

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By combining the generation of shadow masks and point cloud data, the problems of low efficiency and poor effect in soft shadow image rendering are solved, and a high-efficiency and realistic rendering effect is achieved.

WO2025241701A1 Publication Date: 2025-11-27TENCENT TECHNOLOGY (SHENZHEN) CO LTD

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Patent Information

Application Number: PCT/CN2025/085629
Authority / Receiving Office: WO · WO
Patent Type: Applications
Current Assignee / Owner
Priority Date: 2024-05-20
Filing Date: 2025-03-28
Publication Date: 2025-11-27

Application Information

Patent Timeline

20 May 2024

Priority

28 Mar 2025

Application

PCT/CN2025/085629

27 Nov 2025

Publication

WO2025241701A1

IPC: G06T15/60

CPC: G06T15/60; G06T15/205; G06T5/30; G06T2207/10028; G06T15/20

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Application Domain

Image enhancement Image analysis

Technology Topics

Point cloud Radiology

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AI Technical Summary

Technical Problem

Existing technologies consume high computational resources and are inefficient in soft shadow image rendering, resulting in harsh shadow effects and poor rendering quality.

Method used

By generating shadow masks and point cloud data, and combining the shadow masks to generate soft shadow masks, image rendering is performed, improving rendering efficiency and enhancing shadow effects.

Benefits of technology

It reduces performance overhead, improves rendering efficiency, and enhances the realism and smoothness of shadow effects by taking into account the three-dimensionality of objects.

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Abstract

Provided in the present application are a soft shadow image rendering method and apparatus, and an electronic device, a computer-readable storage medium and a computer program product. The method comprises: acquiring an image to be rendered that comprises a shadow area; on the basis of the shadow area in said image, generating a shadow mask for said image; acquiring point cloud data of said image, and on the basis of the point cloud data and the shadow mask, generating a soft shadow mask for said image; and on the basis of the soft shadow mask, performing image rendering on said image to obtain a soft shadow image of said image.

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