Computer Graphics at

The Ohio State

University

Computer Graphics Group

Ranked US News Top 15 Research Foci: computer animation, geometry

modeling, scientific visualization 6 faculty and ~20 Graduate Research Assistants Many government (DOE, DOD, NASA,

NSF,ARO,NIH) and industry funded (Honda, Ameritech, TI, Mitsubishi) research projects

Strong collaboration with local organizations such as Advanced Computing Center for Art and Design (ACCAD) and Ohio Super Computer Center

Faculty at OSU Roger Crawfis

Scientific visualization Medical visualization Image-based Rendering

Tamal Dey Geometric Computing Reconstruction, Meshing

Raghu Machiraju Sci. Viz., Graphics Application-specific data

analysis Inverse approaches

Rick Parent Modeling Animation

Han-Wei Shen Scientific Visualization Parallel Graphics

Rafe Wenger Computational Geometry N-Dimensional Contouring Bio-medical visualization

Computer Graphics Courses

581 – Survey of Computer Graphics (OpenGL) 681 - Introduction to Computer Graphics 682 – Computer Animation 694L- New Visualization 781 - Introduction to 3D Image Generation 782 - Advanced 3D Image Generation 784 - Geometric Modeling

788 – Visualization, Animation, Geometric Modeling

888 - Advanced Studies on Computer Graphics 793 - Independent studies 999 - Research

Suggested Course Sequence

681 - Introduction to Computer Graphics (AU03,WI04)

682 – Computer Animation (WI04) 694L- New Visualization (SP04) 781 - Introduction to 3D Image

Generation(WI04) 782 - Advanced 3D Image Generation(AU03) 784 - Geometric Modeling (SP04)• AU03 (681)

• WI04 682/781

• SP04 784/694L

• AU04 782

Computer Animation Prof. Rick Parent Projects with Ameritech, Texas Instruments,

Honda, etc Collaboration with ACCAD

Scientific Viz and Graphics Prof. Roger Crawfis, Raghu Machiraju, Han-Wei

Shen Projects with NASA Ames Research Center,

Department of Energy (Lawrence Livermore, Oak Ridge), Department of Defense, NSF

Collaboration with Mitsubishi Electric Research Laboratories, Cambridge, MA

Close ties with Ohio Supercomputer Center, Departments of Physics, Mechanical and Electrical Engineering, Radiology and BioMedical Informatics

Collaboration with other engineering/science departments and universities elsewhere

Scientific Visualization Prof. Roger Crawfis, Raghu Machiraju, Han-Wei

Shen Projects with NASA Ames Research Center,

Department of Energy, Department of Defense, NSF etc.

Scientific Visualization Collaboration with other engineering/science departments

Medical Visualization Projects with OSC and Biomedical Informatics department

Sample Work (Synthesis, Modeling)

Reconstruction

Inverse Problems

Video->Model->Animation

Rough Surfaces, Level Sets

Light Material Interaction

Varying Reflectance Subsurface Scattering

1

23

Optimal Views (triangles)

Sample Work

Biological Imaging

Fluids

Solids

•Finding Features in Presence of Noise

•Segmentation

Geometric Modeling

Prof. Tamal Dey and Rephael Wenger

Projects funded by NSF, ARO, DARPA, NIH

Collaborations with Stanford University, UIUC and Hong-Kong U. of Science & Technology

Collaborations with Civil Engineering, Materials Science Engineering, Cancer Genetics

Geometric Modeling Tamal K Dey

`

Surface Reconstruction

Shape Segments and Matching Tamal K Dey

Computer Analysis and Generation of RLGS ProfilesDr. Rephael Wenger

Restricted Landmark Genomic Scanning2D Gel Electrophoresis

Spots correspond to DNA fragmentsNormal Tissue Cancerous Tissue

Isosurface Construction in 4 and 5 dimensions;

Multi-resolution isosurface construction;

Interval volume generated from 4D isosurface

Full resolution

Jet stream – Time varying data

Adaptive resolution

Isosurface ConstructionRephael Wenger