Shadow Mapping Algorithms: A Complete Survey

Liu, Nan; Pang, Muye

doi:10.1109/cnmt.2009.5374715

Cited by 5 publications

(2 citation statements)

References 15 publications

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“…Planes found were used to render shadows using shadow maps [ 36 ] cast from the light sources to the planes detected in the environment. This technique allowed objects placed on different surfaces to cast shadows onto any planar surface (e.g., ground, tables, walls).…”

Section: Proposed Solutionmentioning

confidence: 99%

Environment-Aware Rendering and Interaction in Web-Based Augmented Reality

et al. 2023

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This work presents a novel framework for web-based environment-aware rendering and interaction in augmented reality based on WebXR and three.js. It aims at accelerating the development of device-agnostic Augmented Reality (AR) applications. The solution allows for a realistic rendering of 3D elements, handles geometry occlusion, casts shadows of virtual objects onto real surfaces, and provides physics interaction with real-world objects. Unlike most existing state-of-the-art systems that are built to run on a specific hardware configuration, the proposed solution targets the web environment and is designed to work on a vast range of devices and configurations. Our solution can use monocular camera setups with depth data estimated by deep neural networks or, when available, use higher-quality depth sensors (e.g., LIDAR, structured light) that provide a more accurate perception of the environment. To ensure consistency in the rendering of the virtual scene a physically based rendering pipeline is used, in which physically correct attributes are associated with each 3D object, which, combined with lighting information captured by the device, enables the rendering of AR content matching the environment illumination. All these concepts are integrated and optimized into a pipeline capable of providing a fluid user experience even on middle-range devices. The solution is distributed as an open-source library that can be integrated into existing and new web-based AR projects. The proposed framework was evaluated and compared in terms of performance and visual features with two state-of-the-art alternatives.

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Section: Proposed Solutionmentioning

confidence: 99%

Environment-Aware Rendering and Interaction in Web-Based Augmented Reality

et al. 2023

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“…Shadow map [10] is a kind of shadow algorithm based on images. Its idea is as follows: There is an object in the shadow area, there for sure exists an obstacle between the object and the light.…”

Section: Shadow Map Techniquementioning

confidence: 99%

Fast Rendering Method of Lots of Dynamic Trees Based on OSG

Jia¹,

Wang²,

Song³

2013

Advances in Intelligent Systems Research

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-In virtual reality, the fast rendering of trees is always a difficult part of scene rendering, so it is a challenge to render a large scale of trees with rich geometric details. We present a new method to get fast and real rendering. The LOD technique and Billboard technique are both combined in applying in the rendering method based on OSG to realize the fast requirement, and GPU technique is adopted to realize the swinging effect, in order to be more real, shadow map technique is also utilized in the method. The method is proved to be feasible to simulate large scale of tree scene.

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Rendering soft shadows with OpenGL based on planar projection method

Liu

Pang

2010

2010 2nd IEEE InternationalConference on Network Infrastructure and Digital Content

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Shadow Mapping Algorithms: A Complete Survey

Cited by 5 publications

References 15 publications

Environment-Aware Rendering and Interaction in Web-Based Augmented Reality

Environment-Aware Rendering and Interaction in Web-Based Augmented Reality

Fast Rendering Method of Lots of Dynamic Trees Based on OSG

Rendering soft shadows with OpenGL based on planar projection method

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