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Interactive data-centric viewpoint selection

Han Suk Kim, Didem Unat, Scott B. Baden, Jürgen P. Schulze, Pak Chung Wong, David L. Kao, Ming C. Hao, Chaomei Chen, Robert Kosara, Mark A. Livingston, Jinah Park, Ian Roberts
2012 Visualization and Data Analysis 2012  
We propose a new algorithm for automatic viewpoint selection for volume data sets.  ...  The second step, viewpoint selection, takes this set and finds a direction that lays out those points in a way that the variance of projected points is maximized, which can be formulated as a Principal  ...  ACKNOWLEDGEMENT Didem Unat was supported by a Center of Excellence grant from the Norwegian Research Council to the Center for Biomedical Computing at the Simula Research Laboratory.  ... 
doi:10.1117/12.907480 dblp:conf/vda/KimUBS12 fatcat:kraqwjbf4neqdeewjfahvpycwq

Real time isosurface browsing

Caleb Lyness, Edwin Blake
2001 Proceedings of the 1st international conference on Computer graphics, virtual reality and visualisation - AFRIGRAPH '01  
We present a user centered approach which decouples the volume visualisation into two modes. Selection of the mode is done based on the user's actions.  ...  Two approaches have previously been used to solve this problem: presentation of an abstraction of the data and acceleration of extraction and rendering of the data.  ...  Further we would like to thank Shaun Nirenstein for providing much food for thought.  ... 
doi:10.1145/513867.513898 dblp:conf/afrigraph/LynessB01 fatcat:mr7mjuwvznb4lg5pcsqfekar54

Integrating volume visualization techniques into medical applications

Stefan Bruckner, Peter Kohlmann, Armin Kanitsar, M. Eduard Groller
2008 2008 5th IEEE International Symposium on Biomedical Imaging: From Nano to Macro  
A method for automatically generating 3D views for structures in 2D slices based on a single picking interaction is presented.  ...  required to generate a diagnostically relevant image.  ...  [5] concentrated on viewpoint selection specifically for angiography data sets. We attempt to find a good view for a specific feature identified by a single picking interaction on a slice.  ... 
doi:10.1109/isbi.2008.4541122 dblp:conf/isbi/BrucknerKKG08 fatcat:u6kz3en52rheddrao5esezzgqe

Importance-Driven Focus of Attention

Ivan Viola, Miquel Feixas, Mateu Sbert, Meister Eduard Groller
2006 IEEE Transactions on Visualization and Computer Graphics  
This paper introduces a concept for automatic focusing on features within a volumetric data set. The user selects a focus, i.e., object of interest, from a set of pre-defined features.  ...  To allow a clear view on features that are normally occluded by other parts of the volume, the focusing for example incorporates cut-away views.  ...  ACKNOWLEDGEMENTS The authors would like to thank Stefan Bruckner and Peter Rautek for fruitful discussions.  ... 
doi:10.1109/tvcg.2006.152 pmid:17080819 fatcat:2sgjw62rozdvdfj7szkiemkpmm

Real time isosurface browsing

Caleb Lyness, Edwin Blake
2001 Proceedings of the 1st international conference on Computer graphics, virtual reality and visualisation - AFRIGRAPH '01  
We present a user centered approach which decouples the volume visualisation into two modes. Selection of the mode is done based on the user's actions.  ...  Two approaches have previously been used to solve this problem: presentation of an abstraction of the data and acceleration of extraction and rendering of the data.  ...  Further we would like to thank Shaun Nirenstein for providing much food for thought.  ... 
doi:10.1145/513895.513898 fatcat:niavmdrwarbtrcsyihwi2olw5y

Porosity Maps - Interactive Exploration and Visual Analysis of Porosity in Carbon Fiber Reinforced Polymers

A. Reh, B. Plank, J. Kastner, E. Gröller, C. Heinzl
2012 Computer graphics forum (Print)  
Furthermore a histogram-based best-viewpoint widget was implemented to visualize the quality of viewpoints on a sphere.  ...  A visualization pipeline for the interactive exploration and visual analysis of CFRP specimens is developed to enhance the evaluation workflow for non-destructive testing (NDT) practitioners based on specified  ...  Parallel coordinates are applied in a wide range of applications. For example, Blaas et al. [BBP08] used parallel coordinates for interactive exploration of large multi-timepoint data sets.  ... 
doi:10.1111/j.1467-8659.2012.03111.x fatcat:lgpntc5gg5d2nlqmxyt2shn7o4

Visualization by Proxy: A Novel Framework for Deferred Interaction with Volume Data

A Tikhonova, C D Correa, Kwan-Liu Ma
2010 IEEE Transactions on Visualization and Computer Graphics  
We present a novel framework for visualizing volume data that enables interactive exploration using proxy images, without accessing the original 3D data.  ...  The notion of visualization by proxy relies on the ability to defer operations traditionally used for exploring 3D data to a more suitable intermediate representation for interaction -proxy images.  ...  Once we synthesize an image for a new viewpoint, we output the new depth, which we subsequently use to apply lighting.  ... 
doi:10.1109/tvcg.2010.215 pmid:20975197 fatcat:6bnv2vd5ufhinndf5tkczgg67e

The Implementation of 3D Scene Walkthrough in Air Pollution Visualization

Shigang Wang, Weitao Li
2010 International Journal of Information Engineering and Electronic Business  
A new viewpoint-based volume clipping method is used while rendering, which is fast and more interactive than previous methods.  ...  We present a practical and novel approach to implement 3D scene walkthrough for air pollution visualization.  ...  ACKNOWLEDGMENT Shigang Wang wishes to give thanks to Froemke Quentin from Intel for his explanations and advices on the visualization platform.  ... 
doi:10.5815/ijieeb.2010.01.07 fatcat:ntl2ny7pnbg65f2lctnzrhrn44

iView: A Feature Clustering Framework for Suggesting Informative Views in Volume Visualization

Ziyi Zheng, N. Ahmed, K. Mueller
2011 IEEE Transactions on Visualization and Computer Graphics  
To give full exploration freedom to the user, the entropy map is updated on the fly whenever a view has been selected, pointing to new and promising but so far unseen view directions.  ...  Alternatively, our system can also use a set-cover optimization algorithm to provide a minimal set of views needed to observe all features.  ...  It was also made possible in part by the imageVis3D software from the NIH/NCRR Center for Integrative Biomedical Computing, 2P41 RR0112553-12.  ... 
doi:10.1109/tvcg.2011.218 pmid:22034313 fatcat:xhljz2lar5amndy7q4kb5pted4

Optimal View Point Selection in Direct Volume Rendering for 3D Visualization

Gunasekaran Ganesan, Venkatesan MeenakshiSundram
2017 International Journal of Intelligent Engineering and Systems  
While visualizing the data, view point selection is one of the major challenge which define the viewpoint information to select best viewpoints.  ...  The structural features of 3D volume dataset such as opacity and luminance is extracted for selecting optimal viewpoint position from that structural features.  ...  Peak signal to noise ratio (PSNR): MSE PSNR Conclusion In this research developed a new approach for selecting optimal view point in DVR.  ... 
doi:10.22266/ijies2017.0630.35 fatcat:quelykqarrcvtcmf7am3jfsqoi

Distributed Software-Based Volume Visualization in a Virtual Environment [article]

A. L. Fuhrmann, R. C. Splechtna, L. Mroz, H. Hauser
2005 ICAT-EGVE 2014 - International Conference on Artificial Reality and Telexistence and Eurographics Symposium on Virtual Environments  
These methods combined with the interaction and display devices of virtual reality form a powerful yet intuitive environment for the investigation of volume data sets.  ...  By distributing the visualization and interaction tasks to two low-end PCs we managed to realize a highly interactive, yet inexpensive set-up.  ...  ., one of VRVis' partner companies, for providing CT data to evaluate our system, UNC at Chapel Hill for the head data set and B. Fuhrmann and R.F. Tobler for their help with this paper.  ... 
doi:10.2312/egve/ipt_egve2005/129-140 fatcat:shjhsocrkveyxa7darqxrxvvce

Viewpoint Selection Using Hybrid Simplex Search and Particle Swarm Optimization for Volume Rendering

You-sai Zhang, Chang-jiang Dai, Bin Wang, Zhi-yu Zhu
2012 International Journal of Image Graphics and Signal Processing  
During the process of volume rendering, the hybrid NM-PSO algorithm intended to locate the globally optimal viewpoint or a set of the optimized viewpoints automatically and intelligently.  ...  In this paper we proposed a novel method of viewpoint selection using the hybrid Nelder-Mead (NM) simplex search and particle swarm optimization (PSO) to improve the efficiency and the intelligent level  ...  the hybrid NM-PSO algorithm to locate optimal viewpoint or a set of optimized viewpoints for volume rendering.  ... 
doi:10.5815/ijigsp.2012.09.03 fatcat:xgdyl4b4kjerrc3tij2x3l5nwy

Automatic Transfer Functions Based on Informational Divergence

M. Ruiz, A. Bardera, I. Boada, I. Viola, Miquel Feixas, Mateu Sbert
2011 IEEE Transactions on Visualization and Computer Graphics  
Our approach is based on a communication channel between a set of viewpoints and a set of bins of a volume data set, and it supports 1D as well as 2D transfer functions including the gradient information  ...  Volume renderings of the tooth data set using transfer functions obtained with different target distributions.  ...  [36] defined a visibility channel between a set of viewpoints and the set of objects of a volume data set.  ... 
doi:10.1109/tvcg.2011.173 pmid:22034310 fatcat:dtdsrifcbvfo3dq4h3tgw7iqhe

Interactive Transfer Function Design Based on Editing Direct Volume Rendered Images

Yingcai Wu, Huamin Qu
2007 IEEE Transactions on Visualization and Computer Graphics  
alpha-bending • (d) Created by our approach (better details) Generate a new DVRI (b) by deleting feature (a) indicated by blue strokes while retaining the feature selected by yellow strokes Creating a  ...  the user selected features from this viewpoint • Apply the basic DVRI editing operations to these new DVRIs Genetic Algorithm • A Genetic Algorithm (GA) is a search algorithm imitating the process of  ... 
doi:10.1109/tvcg.2007.1051 pmid:17622685 fatcat:mmwsixxvqzd4fcmwtocushsqpq

Interactive Visualization and Analysis of Multimodal Datasets for Surgical Applications

Can Kirmizibayrak, Yeny Yim, Mike Wakid, James Hahn
2012 Journal of digital imaging  
An example of a medical application (medialization laryngoplasty) is presented to demonstrate how the combination of different modalities can be used in a surgical setting with our approach.  ...  In this paper, we present a visualization approach that displays the information from various sources in a single coherent view.  ...  Acknowledgment This work was supported by NIH grant R01 DC007125 to develop computer-based tools for medialization laryngoplasty. The authors would like to thank Dr.  ... 
doi:10.1007/s10278-012-9461-y pmid:22349991 pmcid:PMC3491150 fatcat:5r7ysb7ycjdqvfvhr7anipjnyu
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