## Gallery

**Wall of Fame:****Image gallery**;

**Video**

**gallery**

**Our Web Browser Apps:**NodeTrix-Multiplex ; NodeTrix-CommunityHierarchy ;

SurveyVis - for public health programme assessment

## Publications

**Peer-reviewed Conferences/Journals/Book Chapters:**

2018:

J. Sreevalsan-Nair,
"Visual Analytics of 3D Airborne LiDAR Point Clouds in Urban
Regions," in Sarda, N., Acharya, P., Sen, S. (eds)
Geospatial Infrastructure, Applications and Technologies:
India Case Studies, pp 313-325, Springer Singapore, November
2018. (doi)(pdf)

J. Sreevalsan-Nair, A. Jindal, and B.
Kumari, ``Contour Extraction in Buildings in Airborne LiDAR
Point Clouds Using Multi-scale Local Geometric Descriptors
and Visual Analytics,'' IEEE Journal of Selected Topics in
Applied Earth Observations and Remote Sensing (JSTARS),
11(7), pp 2320-2335, July 2018. (doi)(pdf)

K. Lukose, S. Agarwal, V. N. Rao, and J. Sreevalsan-Nair,
``Design Study for Creating Pathfinder: A Visualization Tool
for Generating Software Test Plans Using Model Based
Testing,'' in the Proceedings of the 13th International
Joint Conference on Computer Vision, Imaging, and Computer
Graphics Theory and Applications (VISIGRAPP 2018), vol 3:
IVAPP, SCITEPRESS, pp. 289-300, 2018. (doi)(pdf)

__2017:__J. Sreevalsan-Nair, N. Murthy, S. Agarwal, R. R. Vangimalla, and S. Ramesh, ``Collaborative Design of Visual Analytics Techniques for Survey Data for Community-based Research in Public Health,'' (accepted as poster) in the 8

^{th}Workshop on Visual Analytics in Healthcare, affiliated with IEEE VIS 2017. (pdf)

J. Sreevalsan-Nair, and A. Jindal, ``Using Gradients and Tensor Voting in 3D Local Geometric Descriptors for Feature Detection in Airborne LiDAR Point Clouds in Urban Regions,'' in the Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2017), July 2017. (doi)(pdf)

J. Sreevalsan-Nair, and B. Kumari, ``Local Geometric Descriptors for Multi-Scale Probabilistic Point Classification of Airborne LiDAR Point Clouds,'' in ``Modeling, Analysis and Visualization of Anisotropy,'' Mathematics and Visualization Series, Springer, Cham, pp 175-200, October 2017. (from Proceedings of Dagstuhl Seminar 16142) (doi)(pdf)

J. Sreevalsan-Nair, and S. Agarwal, ``NodeTrix-CommunityHierarchy: Techniques for Finding Hierarchical Communities for Visual Analytics of Small-world Networks,'' in the Proceedings of 12th International Joint Conference on Computer Vision, Imaging, and Computer Graphics Theory and Applications (VISIGRAPP 2017), vol 3: IVAPP, pp 140-151, SCITEPRESS, 2017.

*(Nominated for Best Paper Award)*. (doi)(pdf)

S. Agarwal, A. Tomar, and J. Sreevalsan-Nair, ``NodeTrix-Multiplex: Visual Analytics of Multiplex Small World Networks,'' in Complex Networks & Their Applications V, Studies in Computational Intelligence, vol. 693, pp 579-591, Springer International Publishing, 2017. (doi)(pdf)

__2016:__J. Sreevalsan-Nair, ``A Survey of Requirements of Multivariate Data and its Visualizations for Analysis of Child Malnutrition in India,'' Data Science Communications, vol. 1, IIITB Press, 1--26, October 2016. (pdf)

__2015:__B. Kumari, and J. Sreevalsan-Nair, ``An interactive visual analytic tool for semantic classification of 3D urban LiDAR point cloud,'' In Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems 2015 (p. 73:1--73:4), ACM. (doi)(pdf)

__2014:__B. Kumari, A.Ashe, and J. Sreevalsan-Nair, ``Remote Interactive Visualization of Parallel Implementation of Structural Feature Extraction of Three-dimensional Lidar Point Cloud,'' in the Proceedings of the Third International Conference on Big Data Analytics, Lecture Notes in Computer Science (LNCS) Series, Vol. 8883, 2014, pp 129-132, Springer. (doi)(pdf)

**2013:**S. Parveen, and J. Sreevalsan-Nair, ``Visualization of Small World Networks Using Similarity Matrices,'' in the Proceedings of the Second International Conference on Big Data Analytics, Lecture Notes in Computer Science, Volume 8302, 2013, pp 151-170, Springer. (doi)(pdf)

__2012:__

__A. Narayan, J. Sreevalsan-Nair, K. Gaither, and B. Hamann,``Isosurface Extraction from Hybrid Unstructured Grids Containing Pentahedral Elements,'' Kraus, M., Laramee, R.S., Battiato, S., de Campos, T., Jurie, F., Kato, Z. and Raducanu, B., eds., Proceedings of International Conference on Information Visualization Theory and Applications 2012 (GRAPP/IVAPP 2012), 660-669. (doi)(pdf)__

__2011:__C. Auer, J. Sreevalsan-Nair, V. Zobel, and I. Hotz, ``2D Tensor Field Segmentation,'' Proceedings of Dagstuhl Conference 2009 on Scientific Visualization: Interactions, Features, Metaphors, Dagstuhl Follow-Ups, Hagen, Hans (Ed.), Vol. 2, Schloss Dagstuhl--Leibniz-Zentrum fur Informatik 2011, 17-35. (doi)(pdf)

J. Sreevalsan-Nair, C. Auer, B. Hamann, and I. Hotz, ``Eigenvector-based Interpolation and Segmentation of 2D Tensor Fields,'' Topological Data Analysis and Visualization: Theory, Algorithms, and Applications, Springer-Verlag Mathematics and Visualization Series, 2011, 139-150, Springer-Verlag. (doi)(pdf)(talk given by C. Auer)

__2010:__I. Hotz, J. Sreevalsan-Nair, H. Hagen, and B. Hamann, ``Tensor Field Reconstruction based on Eigenvector and Eigenvalue Interpolation,'' Scientific Visualization: Advanced Concepts, Schloss Dagstuhl-Leibniz-Zentrum fur Informatik 2010, 110-123. (doi)(pdf)

__J. Sreevalsan Nair, "Paving the Way for Geovisual Analytics," Advanced Computing & Communications, issue 3, December 2017, ACCS. (pdf) (www)__

**Invited articles**

**Theses:** [2016] Beena Kumari, Master of Science
by Research Thesis on "Visualization Techniques in
Classification of 3D Urban LiDAR Point Cloud" (pdf)

[2013] Saima Parveen, Master of Science
by Research Thesis on "Visualization of Transformation of
Graphs Based on Similarity Functions" (pdf)

**Miscellaneous** B. Kumari, and J. Sreevalsan-Nair, *“Three-dimensional
Visualization of LiDAR Point Cloud Using Structural
Feature Extraction,”* in Proceedings of NSDI (National
Spatial Data Infrastructure) 2013 and Poster presentation.

K. Prasad B. V., N. Kumar, S. Agrawal,
H. Gangakhedkar, and J. Sreevalsan- Nair, *Partial
Implementation of Hybrid MD5-Blowfish Algorithm in Kernel
Space on the GPU Using CUDA*, Poster presentation at
the 19th Annual International Conference on High Performance
Computing 2012 - Student Research Symposium (HiPC2012-SRS),
Dec. 2012.

K. Patel, J. Savalia, and J. Sreevalsan-Nair, *Parallelization
of Complex Event Processing*, Proceedings of the 18th
Annual International Conference on High Performance
Computing 2011 - Student Research Symposium (HiPC2011-SRS),
Dec. 2011, http://www.hipc.org/hipc2011/studsym-papers/1569512661.pdf

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