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检索条件"任意字段=Conference on 3D Virtual Reconstruction and Visualization of Complex Architectures"

共 1538 条记录，以下是1-10 订阅

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Versioning virtual reconstruction Hypotheses: Revealing Counterfactual Trajectories of the Fallen Voussoirs of Notre-dame de Paris Using Reasoning and 2d/3d visualization

Versioning Virtual Reconstruction Hypotheses: Revealing Coun...

引用

21st International conference on The Semantic Web (ESWC)

作者： Guillem, Anais Samuel, John Gesquiere, Gilles de Luca, Livio Abergel, Violette CNRS MAP UPR 2002 Marseille France CPE Lyon LIRIS UMR5205 F-69621 Villeurbanne France Univ Lumiere Lyon 2 LIRIS UMR5205 F-69007 Lyon France Univ Claude Bernard Lyon 1 INSA Lyon CNRS Villeurbanne France Ludwig Maximilian Univ Munich LMU Munich Germany

ISBN: (纸本)9783031789540;9783031789557

virtual reconstruction should move beyond merely presenting 3d models by documenting the scientific context and reasoning underlying the reconstruction process. For instance, the collapsed arch in the nave of Notre-dame de Paris serves as a case study to make explicit the reconstruction argumentation encapsulated in relation to the spatial configuration of the arch and the voussoirs. The experiment is twofold: (1) setting up of the 3d dataset where the hypotheses are modeled as versions using logic programming, and (2) evaluating the scientific narrative of reconstruction through both a custom 2d-3d visualization and competency questions on the enriched 3d data. Formalization, reasoning, and visualization are combined to explore the nonlinear scientific hypotheses and narrative of the reconstruction. The results explicitly show both the factual information on the physical and digital objects, as well as the counterfactual propositions allowing the reasoning at play in the reconstruction. The hypotheses are visualized as counterfactual trajectories creating an open dynamic visualization that makes possible the spatialized querying of conflicting interpretations and embedded memory in place.

关键词： virtual reconstruction Notre-dame de Paris argumentation scientific narrative 3d visualization logic programming counterfactual reasoning scientific hypothesis

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A Method for Correcting distortion According to Angle Using Rendering when Creating 3d Face Model from 2d Image

A Method for Correcting Distortion According to Angle Using ...

引用

2025 International conference on Electronics, Information, and Communication, ICEIC 2025

作者： Lee, Hee-Yeol Lee, Seung-Ho Hanbat National University Department of Electronic Engineering Daejeon Korea Republic of

ISBN: (纸本)9798331510756

This paper proposes a novel method to correct texture distortions in 3d face models generated from 2d facial images. Based on the U-Net architecture, the method utilizes 2d images captured from various angles to generate 3d objects, aiming to effectively correct distortions caused by rendering. The key contribution of this study lies in the use of both the original 2d image and the rendered image as inputs, which enhances the quality of texture reconstruction. The experiments were conducted using the CMU Multi-PIE dataset, evaluating the similarity of the face models. The experimental results demonstrate that the proposed method significantly improves distortion correction in 3d face modeling. This research presents a new direction for face modeling in virtual and augmented reality systems, and future studies could explore the potential for extending this technique through the use of various datasets and model architectures. © 2025 IEEE.

关键词： 3d reconstruction

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3d reconstruction Method of Indoor Scene Layout based on Neural Network 1

3D Reconstruction Method of Indoor Scene Layout based on Neu...

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1st International conference on Intelligent Systems and Computational Networks, ICISCN 2025

作者： Lin, Yingying Changchun University of Architecture and Civil Engineering Jilin Changchun China

ISBN: (纸本)9798331529246

In recent years, three-dimensional (3d) reconstruction technology of indoor scenes has been widely used in fields such as virtual reality and indoor navigation, but existing methods still have shortcomings in complex layout and occlusion processing. First, this paper uses a scene segmentation method based on convolutional neural network (CNN) to segment the input indoor image data into layers and extract feature information at different levels such as room structure, furniture, and objects. By training with a large amount of labeled data, the network can precisely identify different objects and distinguish their positions and boundaries in the scene. As the segmentation fineness increases (from 1 to 5), the mean depth error (MdE) decreases from 0.14 to 0.07. The structural similarity index (SSIM) gradually increases from 0.72 to 0.92. Through effective processing of different depths and scales, a new solution is provided for the 3d modeling of future indoor scenes. © 2025 IEEE.

关键词： 3d reconstruction

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Creating Authentic Historical Costumes to Augment virtual Humans for Cultural Heritage 10th

Creating Authentic Historical Costumes to Augment Virtual Hu...

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10th International conference of the Immersive Learning Research Network

作者： Zhang, Junyu Miller, Alan Nyman, Perin Westerhof Univ St Andrews Sch Comp Sci St Andrews Fife Scotland

ISBN: (纸本)9783031804717;9783031804724

Benefiting from the simulation of 3d technologies, the evolution of virtual humans allows them to have a realistic human-like appearance and behaviour, interacting with users and the environment. Today, the application of digital avatars has expanded to computer visualization exhibitions, movies, animations, game engines, etc. This paper investigates a methodology for applying virtual humans to support the digital reconstruction of cultural heritage in virtual reality applications, focusing on converting 2d design sketches of historical costumes into a tangible reality within an immersive VR environment. Through the creation and application of authentic historical outfits, this approach enriched the authenticity of digital avatars, and further expanded the interpretation and representation of cultural heritage for educational and cultural institutions. In addition, this paper evaluated the impacts of avatars on enhancing learning and visiting experiences on the promotion of cultural history diversity. This research is beneficial for exploring how immersive VR technologies bring about equitable quality education and promote learning opportunities in the context of cultural heritage. At the time of writing, the results of this research are adopted in immersive exhibits in the Timespan Museum, West Highland Museum, Finlaggan Museum and Taigh Chearsabhagh, aimed at providing an immersive virtual time travel experience to strengthen lifelong cultural education values and further support the sustainable development goals.

关键词： virtual Humans Cultural Heritage virtual Reality

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CALFNet: A Light Field reconstruction Method Based On Channel Attention Mechanism 16

CALFNet: A Light Field Reconstruction Method Based On Channe...

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2024 16th International conference on Graphics and Image Processing, ICGIP 2024

作者： Gao, Yuxuan Chen, Zhihong Zhang, Haiwei School of Integrated Circuit Science and Engineering Tianjin University of Technology China

ISBN: (数字)9781510688780

ISBN: (纸本)9781510688773

Light field reconstruction, a crucial domain in computer vision, generates 3d models of real-world scenes by combining multi-view images. Multi-view stereo technology is essential in this process, leveraging images from various angles to reconstruct 3d structures. It is widely used in applications such as cultural heritage preservation, robotics, and virtual reality. However, current methods often depend on rigid feature extraction and fusion techniques, restricting their capacity to fully exploit the rich multi-view data. This frequently results in blurred reconstructions, particularly in complex scenes with intricate edges and contours. To address these limitations, we propose CALFNet, a novel light field reconstruction method based on a channel attention mechanism. CALFNet combines this attention mechanism with a detail loss module, enabling the network to prioritize crucial channel information and edge features. This significantly enhances the accuracy and completeness of 3d reconstructions from multi-view images. Experiments on the dTU 3d reconstruction dataset demonstrate that CALFNet improves overall accuracy by 2.4% compared to existing methods. Additionally, tests on the Tanks and Temples dataset demonstrate the model's strong generalization capabilities, effectively handling diverse reconstruction tasks across various scenarios. This advancement paves the way for new applications in fields such as cultural heritage, robotics, and virtual reality. © 2025 SPIE.

关键词： Stereo image processing

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Building Realistic Environment from Computer Vision Approach Applied to Manufacturing Simulation in the digital Twin Context 5th

Building Realistic Environment from Computer Vision Approach...

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5th International conference on Innovative Intelligent Industrial Production and Logistics

作者： Rudek, Marcelo Valle, Ana P. R. Bertolin, Ricardo Pontifical Catholic Univ Parana PUCPR Curitiba Parana Brazil

ISBN: (纸本)9783031807596;9783031807602

digital twins to manufacturing simulation require a complete virtual representation of the environment for immersive human interactions. From computer vision techniques, it is possible to model the respective real scenery based on a set of digital images. This paper addresses a strategy to create virtual layouts through 3d reconstruction from photogrammetry. The main context is to help humans to be trained using synthetic information, preparing their actions to perform the respective real operations of productive processes as aligned with industry 5.0 requirements. Here we present a selection of the emerging technologies categorized to perform the shop-floor layout digitalization as a first stage of a digital twin creation of a real industrial scenario as a starting point to the industrial metaverse architecture. Also, we present an experimental digitalization operation of a complex scenery and the respective discussion about its use in manufacturing simulation.

关键词： digital twin Computer vision 3d reconstruction Metaverse Manufacturing Simulation

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AURORA: Automated Unleash of 3d Room Outlines for VR Applications 19

AURORA: Automated Unleash of 3D Room Outlines for VR Applica...

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19th ACM SIGGRAPH International conference on virtual-Reality Continuum and its Applications in Industry, VRCAI 2024

作者： Han, Huijun Liang, Yongqing Zhou, Yuanlong Wang, Wenping Rojas-Muñoz, Edgar J. Li, Xin Computer Science and Engineering Texas A and M University College StationTX United States College of Performance Visualization and Fine Arts Texas A and M University College StationTX United States

ISBN: (纸本)9798400713484

Creating realistic VR experiences is challenging due to the labor-intensive process of accurately replicating real-world details into virtual scenes, highlighting the need for automated methods that maintain spatial accuracy and provide design flexibility. In this paper, we propose AURORA, a novel method that leverages RGB-d images to automatically generate both purely virtual reality (VR) scenes and VR scenes combined with real-world elements. This approach can benefit designers by streamlining the process of converting real-world details into virtual scenes. AURORA integrates advanced techniques in image processing, segmentation, and 3d reconstruction to efficiently create realistic and detailed interior designs from real-world environments. The design of this integration ensures optimal performance and precision, addressing key challenges in automated indoor design generation by uniquely combining and leveraging the strengths of foundation models. We demonstrate the effectiveness of our approach through experiments, both on self-captured data and public datasets, showcasing its potential to enhance virtual reality (VR) applications by providing interior designs that conform to real-world positioning. © 2024 ACM.

关键词： virtual environments

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Viewgen3d: Efficient Text-to-3d Model Generation with Multiview Consistency and Neural Radiance Fields

Viewgen3D: Efficient Text-to-3D Model Generation with Multiv...

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2025 IEEE International Students' conference on Electrical, Electronics and Computer Science, SCEECS 2025

作者： Jai Kumar, d. Surya, J. Kirubakaran, M. St. Joseph's Institute of Technology Department for Ads Chennai India

ISBN: (数字)9798331529833

ISBN: (纸本)9798331529833

This work proposes a new way for creating high-quality 3d models from text descriptions, eliminating the typical 3d modeling methods used conventionally that are often dominated by larger datasets, diverse views, and heavy computational requirements. It begins with a diffusion-based model that generates a 2d image from a given text prompt. This transformation, through a 3d-aware latent model, creates multiple consistent views from various perspectives without inconsistency problems common with other techniques. Taking these multiple view images, a neural radiance field reconstructs the 3d structure of the object in quite high geometric accuracy. Further improvement is offered by signed distance functions that smooth and enhance the surface for precise geometry. Contrasting with traditional 3d modeling procedures, which often need large-scale labeled data and complex pipelines, this approach dramatically improves the process while significantly simplifying multiview consistency. This scalable solution reduces computational demands, opening new opportunities for immersive 3d experiences across the broader industries of virtual reality, gaming, and even content creation. © 2025 IEEE.

关键词： 3d reconstruction

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virtual viewpoint reconstruction utilizing monocular images with complex backgrounds 4

Virtual viewpoint reconstruction utilizing monocular images ...

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4th International Computational Imaging conference, CITA 2024

作者： Li, Ling-Ling Wang, Tianchen Zhang, Huiling Zhao, Jian Xia, Jun School of Computer Engineering Nanjing Institute of technology No.1 Hongjing Road Jiangsu Nanjing211167 China School of Electronic Science and Engineering Southeast University Nanjing210096 China

ISBN: (纸本)9781510688834

In recent years, significant advancements have been made in the field of three-dimensional light field display, positioning it as one of the most promising display technologies. To enhance the effectiveness and realism of 3d information representation, a dense sequence of virtual viewpoints is required for optimal display. However, the acquisition of high-quality virtual viewpoint sequences poses one of the most significant challenges in this technology. Moreover, when relying solely on a single 2d image as reference information, reconstruction of virtual viewpoints often encounters issues such as ghosting artifacts, contour distortions, blurring effects, and gradient inconsistencies. Therefore, a virtual viewpoint generation algorithm based on large-scale neural networks and local boundary restoration is presented. The target view depth map is generated with precise and distinct boundary information based on large model neural networks. Additionally, an efficient local boundary matching algorithm effectively fills occlusion areas. This approach enables the generation of high-quality dense virtual view sequences even in complex backgrounds, offering significant advantages. © 2025 SPIE.

关键词： virtual environments

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The Engineering Approach to the Study of Roman Thermal Buildings: The Case Study of the Rotonda Roman Baths at Catania 11th

The Engineering Approach to the Study of Roman Thermal Build...

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11th International conference of Ar.Tec.

作者： Floriano, Laura Liuzzo, Mariangela Margani, Giuseppe Tardo, Carola Kore Univ Enna Dept Engn & Architecture I-94100 Enna Italy Univ Catania Dept Civil Engn & Architecture I-95123 Catania Italy

ISBN: (纸本)9783031718571;9783031718557;9783031718540

Roman architecture is one of the most advanced forms of historical architectures because of the several innovations that have contributed to the progress of the art of construction. The ability of the Romans consisted in creating monumental architectures by experimenting with innovative materials and construction techniques, and combining traditional building elements in an effective way, thus achieving formal and technological solutions of great relevance. Therefore, research activities on Roman buildings are essential for the reconstruction of their historical development, and for their protection, conservation and promotion, with the aim to preserve the cultural memory of the ancient cities. In this framework, this paper reports the preliminary results of an ongoing research activity on the Roman thermal complex "Terme della Rotonda" in the city of Catania. This activity aims at achieving a three-dimensional digital model of the thermal complex and characterizing it at architectural and construction level to provide information on the mutual connections between the architectural solutions and the adopted materials and construction techniques. The study here reported is part of the interdisciplinary research project SAMOTHRACE that aims at bridging the knowledge gap on the dating and diachronic development of the thermal complex.

关键词： Roman architecture Roman bath-buildings Historical construction techniques Integrated survey 3d modelling

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