Semantic volume texture for virtual city building model visualisation

Lin, Li; Duan, Xinqiao; Zhu, Haihong; Guo, Ruifeng; Ying, Shen

doi:10.1016/j.compenvurbsys.2015.07.003

Cited by 4 publications

(3 citation statements)

References 51 publications

(84 reference statements)

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“…In order to get a better insight, VR needs to re-sample the whole volume. 11 Therefore, the computational complexity is so high that it is really hard for the methods to achieve real-time interaction. Based on the programmable character of GPU, we propose a GPU-based volume rendering method.…”

Section: Methodsmentioning

confidence: 99%

Fast Graphic Processing Unit-Based High-Quality Three-Dimensional Volume Rendering

Feng¹,

Hu²,

Yang³

et al. 2016

j med imaging hlth inform

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Volume rendering (VR) is powerful in visualizing meaningful information existing in medical images. However, due to its high computational complexity, it is hard for VR to achieve high-quality real-time interaction. In this paper, a GPU-based VR method is first proposed in which volume texture mapping is used. To reduce requirements of the proposed method on storage of video memory, the proposed method is further improved by using slice texture with a real-time dynamic switch mechanism. Moreover, to eliminate annular distortion, a pre-integration classification method, which is implemented on GPUs, is presented. Experimental results demonstrate that (1) frame rates of the texture mapping methods are almost the same for small-scale volume data, (2) for large-scale volume data, volume texture based method failed, but frame rate of the further improved (slice texture mapping) method is still up to 20 FPS, and (3) the pre-integration method presented in this paper can improve rendering quality effectively with FPS preserved.

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Section: Methodsmentioning

confidence: 99%

Fast Graphic Processing Unit-Based High-Quality Three-Dimensional Volume Rendering

Feng¹,

Hu²,

Yang³

et al. 2016

j med imaging hlth inform

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“…A solid can also be represented as voxelized volume. Li et al [45] demonstrated that the voxelized volume texture rendering of the 3D legal space has the advantage of semantic consistency and facilitates volume cutting, as in a cross-section view. However, as shown in their research, direct visualization of a solid primitive with voxelization may require significantly more computing resources.…”

Section: Inventory Of Design Featuresmentioning

confidence: 99%

Design, Development and Applicability Evaluation of a Digital Cartographic Model for 3D Cadastre Mapping in China

Wang

2021

IJGI

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Structurally describing the portrayal-related information by using a standalone Digital Cartographic Model on top of a Digital Landscape Model has been proved applicable and beneficial for 2D mapping but has not yet been applied to 3D cadastre. This study, therefore, evaluates the applicability of digital cartographic model and the corresponding visualization pipeline for 3D cadastre in the context of Chinese urban cadastre. This research starts by identifying the requirements and design features of 3D cadastre mapping through a literature review and interviews with users and cartographers. Addressing the limitations of the existing general-purpose models, this paper proposes an ad hoc 3D cadastre digital cartographic model. The main developments of the proposed model are the inclusion of 3D content modeling, the support of the compound 3D symbols, and the introduction of the semantic transformation. The proposed model is then embedded into three parts of the cadastre visualization pipeline: the symbolic rule design, graphic content creation, and scene dissemination. The empirical result of qualitative proof-of-concept user tests supports that the proposed visualization pipeline is applicable and yields promising visualization results. The digital cartographic model-based visualization pipeline is a novel 3D cadastre mapping paradigm that facilitates designing, producing, sharing, and administrating.

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“…Furthermore, CityGML supports application domain extensions (ADE) in which users can create their own extensions for their particular applications. Different LoDs and application domain extensions (ADE) could broaden the application area of CityGML which has been demonstrated in many researches [21][22][23][24][25][26][27].…”

Section: Citygmlmentioning

confidence: 99%

Building Virtual 3D City Model for Smart Cities Applications: A Case Study on Campus Area of the University of Novi Sad

Jovanović¹,

Milovanov²,

Ruskovski³

et al. 2020

IJGI

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The Smart Cities data and applications need to replicate, as faithfully as possible, the state of the city and to simulate possible alternative futures. In order to do this, the modelling of the city should cover all aspects of the city that are relevant to the problems that require smart solutions. In this context, 2D and 3D spatial data play a key role, in particular 3D city models. One of the methods for collecting data that can be used for developing such 3D city models is Light Detection and Ranging (LiDAR), a technology that has provided opportunities to generate large-scale 3D city models at relatively low cost. The collected data is further processed to obtain fully developed photorealistic virtual 3D city models. The goal of this research is to develop virtual 3D city model based on airborne LiDAR surveying and to analyze its applicability toward Smart Cities applications. It this paper, we present workflow that goes from data collection by LiDAR, through extract, transform, load (ETL) transformations and data processing to developing 3D virtual city model and finally discuss its future potential usage scenarios in various fields of application such as modern ICT-based urban planning and 3D cadaster. The results are presented on the case study of campus area of the University of Novi Sad.

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Semantic volume texture for virtual city building model visualisation

Cited by 4 publications

References 51 publications

Fast Graphic Processing Unit-Based High-Quality Three-Dimensional Volume Rendering

Fast Graphic Processing Unit-Based High-Quality Three-Dimensional Volume Rendering

Design, Development and Applicability Evaluation of a Digital Cartographic Model for 3D Cadastre Mapping in China

Building Virtual 3D City Model for Smart Cities Applications: A Case Study on Campus Area of the University of Novi Sad

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