Filters








493,087 Hits in 5.7 sec

Progressive 3D Modeling All the Way

Alex Locher, Michal Havlena, Luc Van Gool
2016 2016 Fourth International Conference on 3D Vision (3DV)  
The work interacts seamlessly with publicly available software enabling an integrated progressive 3D modeling pipeline.  ...  This work proposes a method bridging the existing gap between progressive sparse 3D reconstruction (incremental Structure from Motion) and progressive point based dense 3D reconstruction (Multi-View Stereo  ...  Acknowledgements Research funded by the EUs Horizon 2020 programme under grant agreement No 687757 -REPLICATE and supported by NVIDIA Corporation through the Academic Hardware Grant.  ... 
doi:10.1109/3dv.2016.11 dblp:conf/3dim/LocherHG16 fatcat:a42lmvm2tfg2jeq5c75p3pvh6a

Efficient visualization of 3D models by web browser

Bartosz Sawicki, Bartosz Chaber
2013 Computing  
The article presents software module designed for efficient and convenient visualization of 3D models inside the web browser environment.  ...  Proposed solution based on progressive mesh streaming is compared with server side rendering approach. The results of usability tests performed on real-life random users group will be discussed.  ...  It also describes progressive way of displaying 3D models, but please mind that this progressive method is very different from the progressive meshes method defined in [4] .  ... 
doi:10.1007/s00607-012-0275-z fatcat:2lckix364zadpdl5pbtjqh2yke

Progressive Transmission of 3D Building Models based on String Grammars and Planar Half-Spaces

M. Kada
2014 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
In this paper we present a progressive encoding and transmission scheme for 3D building models that is easy to understand and implement for the end user as well as flexible and extensible for the model  ...  In order to restrict the effects of LOD changes on a local range of the progressive string representation, we use a solid modelling approach based on planar half-spaces to construct 3D buildings.  ...  Three LODs of the example 3D building model in the proposed progressive transmission scheme are given the same symbol over all LODs they are defined in.  ... 
doi:10.5194/isprsannals-ii-2-9-2014 fatcat:jymfank76zc3tj63kl26zhix74

UTILIZATION OF BIM IN THE CONSTRUCTION OF A SUBMARINE TUNNEL: A CASE STUDY IN XIAMEN CITY, CHINA

Sai Li, Zhongjian Zhang, Gang Mei, Daming Lin, Jin Yu, Renke Qiu, Xingju Su, Xuechun Lin, Chonghua Lou
2021 Journal of Civil Engineering and Management  
BIM 3D is a visualization method to show the detailed model in the construction. The design is optimized by the navigation collision function of BIM 3D.  ...  BIM 4D adds the time schedule into BIM 3D model to show the construction schedule. BIM 5D adds the cost into BIM 4D model to show the construction consumption.  ...  Author contributions All authors have contributions to this article. All authors have read and agree to the published version of the manuscript. Conceptualization and supervision, Z. Zhang, G.  ... 
doi:10.3846/jcem.2021.14098 fatcat:i475cna6knf6rm44idwl6vcevq

A new model for the Sagittarius around the Milky Way : Sagittarius Stream, Core & Dark matter properties revealed by N-body simulations

Hai-Feng Wang
2022 Zenodo  
Using one model ("Scaling down" Sgr) we have been able to simultaneously reproduce well all 3D spatial features of Sgr stream, including its leading and trailing arms, 3D kinematics properties, their associated  ...  We suggest that significant further progress can be achievable after introducing a gas component in the Sgr progenitor or adding an extra massive LMC or considering a non-spherical Milky Way halo.  ...  Using one model we have been able to simultaneously reproduce well all 3D spatial features of Sgr stream, including its leading and trailing arms, 3D kinematics properties, their associated bifurcations  ... 
doi:10.5281/zenodo.6819457 fatcat:jqbfyiglnjahpcth3kpgompuga

Remote scientific visualization of progressive 3D meshes with X3D

Adrien Maglo, Ho Lee, Guillaume Lavoué, Christophe Mouton, Céline Hudelot, Florent Dupont
2010 Proceedings of the 15th International Conference on Web 3D Technology - Web3D '10  
Figure 1 : Progressive decompression of the radiator model (16002 vertices). Its original X3D size is 953 KB.  ...  Abstract This paper presents a framework, integrated into the X3D file format, for the streaming of 3D content in the context of remote scientific visualization; a progressive mesh compression method is  ...  In particular, progressive geometry streaming enables an incremental rendering of the whole models with increasing details, hence it is directly related with progressive 3D compression.  ... 
doi:10.1145/1836049.1836066 dblp:conf/vrml/MagloLLMHD10 fatcat:ko5kticcabbgfhx4sspjy3kucm

3D-TV – THE FUTURE OF VISUAL ENTERTAINMENT

M. MAGNOR
2005 Multimedia Databases and Image Communication  
by researchers all over the world.  ...  The scientific and technological obstacles towards realizing 3D-TV, the experience of interactively watching real-world dynamic scenes from arbitrary perspective, are currently being put out of the way  ...  In an analysis-by-synthesis loop 16 , all model parameters are varied until the rendered model optimally matches the recorded object silhouettes.  ... 
doi:10.1142/9789812702135_0011 fatcat:pkbapsxzd5fl3jwxqq3nnsnbuy

DeepAD: A Robust Deep Learning Model of Alzheimer's Disease Progression for Real-World Clinical Applications [article]

Somaye Hashemifar, Claudia Iriondo, Evan Casey, Mohsen Hejrati
2022 arXiv   pre-print
Our results showed that 1) our model yields significant improvement over the baseline models, and 2) models using extracted neuroimaging features from 3D convolutional neural network outperform the same  ...  Our proposed model integrates high dimensional MRI features from a 3D convolutional neural network with other data modalities, including clinical and demographic information, to predict the future trajectory  ...  Multimodal multitask modeling (MMMT) In this experiment, the adversarial loss and the sharpness-aware minimization are evaluated when both modalities are fed to the model to predict all three cognitive  ... 
arXiv:2203.09096v3 fatcat:w63ascaoqnd6tbigxuzcc5cksa

Review of Image-Based 3D Reconstruction of Building for Automated Construction Progress Monitoring

Jingguo Xue, Xueliang Hou, Ying Zeng
2021 Applied Sciences  
Three-dimensional (3D) reconstruction is the key to connecting the Building Information Model and the project schedule to daily construction images, which enables managers to compare as-planned with as-built  ...  status and detect deviations and therefore monitor project progress.  ...  For progress monitoring, the combination of real-time 3D reconstruction and VR can make managers in the office as if they were in the construction site, which provides a new way for remote management of  ... 
doi:10.3390/app11177840 fatcat:thftac52gnbmjpkmbhplz4hb7y

From Nice to Have to You Must Have

Achim Hellmeier
2020 PFG – Journal of Photogrammetry Remote Sensing and Geoinformation Science  
topic of 3D city models and everything that goes with them is no longer just a topic for exotics, but has found its way into broad practice.  ...  If we look at 3D city models from a technological point of view, the three sub-aspects data acquisition, modeling and visualization/analysis, so it can be stated that considerable technological progress  ... 
doi:10.1007/s41064-020-00100-5 fatcat:owndrmn2fbe4fmlaftlgvtfsi4

Progressive representation, transmission, and visualization of 3D objects

Masahiro Okuda, Tsuhan Chen, Yung-Sheng Liu, Thomas S. Huang
2000 Input/Output and Imaging Technolgies II  
ACKNOWLEDGEMENTS This work is partially supported by Japan Society of the Promotion of Science (JSPS).  ...  THE PROPOSED SCHEME There are two ways to correspond attribute data with the 3D model. One is to associate attribute data to each vertex.  ...  Progressive Streaming We have also implemented a viewer to progressively display the 3D models coded by our algorithm.  ... 
doi:10.1117/12.389428 fatcat:wpzcfrywfbh35dq6upro7g4rjy

Combining polygonal and subdivision surface approaches to modelling and rendering of urban environments

A.M. Day, D.B. Arnold, S. Havemann, D.W. Fellner
2004 Computers & graphics  
In this paper we discuss the way in which polygonal and multi-resolution surface techniques can complement one another in the modelling of urban environments.  ...  Thus a modeller that knows the operator is creating houses can use this information to simplify the user interaction, guide the operator, and to create models that build in optimizations when attempting  ...  Acknowledgements The support of D. Fellner and S. Havemann from the German Research Foundation (DFG) under grant numbers Fe 431/4-1 and Fe 431/4-3 is greatfully acknowledged.  ... 
doi:10.1016/j.cag.2004.04.005 fatcat:xyad5djmgvbadagt44hzkopuqe

Selected Issues Relating to Modeling of Objects and Clothes in the Creating Visualization of Mechanical Hazard during Machine Operation

Dariusz Filipek, Marco Roccetti
2022 Advances in Multimedia  
This paper presents selected IT tools of 3ds max software functions useful to create visualization of mechanical hazard, especially in object and character modeling aspect.  ...  This visualization was elaborated like multimedia OHS training materials from machines operators, OSH employees and employers of mechanical plants, and all institutions of metal machining industry.  ...  Also, the constant progress of virtual reality techniques shows that there are new ways of creating a virtual environment, such as the use of 3D scanners [5] .  ... 
doi:10.1155/2022/4996901 fatcat:myznnzh5xncgzjw5o35xt7hhvm

Applications of Computer Vision in Medicine and Protection of Monuments

Krzysztof Skabek, Agnieszka Tomaka
2010 Theoretical and Applied Informatics  
The ultimate goal of our studies is a fusion of all the information gained from these imaging techniques to create a patientspecific and deformable geometric model of the head.  ...  The processing stages include: combining models from partial surfaces in different scans (particularly from different scanning devices); a hierarchical representation of surface data using progressive  ...  Acknowledgement This work was supported in part by the Polish Ministry of Science and Higher Education under the research grant N N519 401137  ... 
doi:10.2478/v10179-010-0010-4 fatcat:33pyvrvmbfb2nkfqxa4wm2zb2u

Research on Modeling Precision and Standard of 3D Digital City

Zhao Zhongyuan
2012 Procedia Environmental Sciences  
With the maturity of 2-D GIS technology and rapid development of spatial information technology,3D display is becoming the main way for the online services of geo-spatial information.  ...  Based on project "Wuhan 3D digital map", this article discussed and gave good reference on the modeling precision and standard of digital city. 1.Introduction Considered as the center of regional economy  ...  By all accounts,the 3D LOD model should be constructed taking all the needs of different business departments,so that the final production could serve for different applications.  ... 
doi:10.1016/j.proenv.2012.01.312 fatcat:jn754ikq5zf33cvratvhiunryu
« Previous Showing results 1 — 15 out of 493,087 results