B.06 Research and Teaching in Graphics Christoph M. Hoffmann, PI Research Team: John Turek, Vet...
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Transcript of B.06 Research and Teaching in Graphics Christoph M. Hoffmann, PI Research Team: John Turek, Vet...
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B.06Research and Teaching in Graphics
Christoph M. Hoffmann, PIResearch Team:
John Turek, VetRichard Borgens, VetPaul Robinson, BiolElisha Sacks, CS, Viz CtrC. Bajaj, CS, TexasJ. Peters, CS, Florida
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The Situation in early 1997
Predominantly Sun and SGI workstations Graphics synonymous with SGI PCs perceived as low-end word processor
and spread sheet tools Our colleagues swore by Unix
Intel stock in $15 - $20 range
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Teaching Lab (CS 175)
(Hoffmann) 1997: Eight graphics PC, a server Hosting CS 435, Undergraduate
Graphics 1997 – using J++ 1998 – and beyond:
using OpenGL and Glut
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Summary: PC Graphics
In 1997, a radical suggestion Today, an accepted reality:
Students increasingly on PCs Work also on their own machines Competent, well-priced hardware
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Research
1. Mechanism Analysis (Sacks)2. Situation Awareness (Hoffmann)3. Extra-Cellular Matrix (Robinson)4. Cristal Lab (Turek)5. Other projects
Image analysis and model extraction Animating algorithms for teaching Parametric design, and more
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Mechanism Analysis (Sacks) Configuration space analysis of
mechanisms with intermittent contact (C-space)
Highly visual Identifies why a design works or doesn’t Applications:
MEMS Automotive Consumer goods
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Geneva Mechanism
Intermittent motion:
C-space diagrams show why bottom
designs fail
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MEMS Applications
Weapons assurance device:
C-space eliminates build-and-bust approach used before
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Automotive Applications
Automatic transmission analyzed for Ford
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Consumer Goods Application
Film advancement mechanism analyzed for Fuji
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Situation Awareness (Hoffmann)
Visualization and motion of large numbers of platforms
Geometric analysis to extract mission critical information
Pre-attentive information presentation to military decision makers
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A Tight Spot
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Proximity Analysis with underlying data structures
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Extracellular Matrix (Robinson)
Collagen matrix that hosts the cells Special tissue synthesis Confocal imagery to analyze tissue
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Structure extraction and representation using the medial axis transform
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John TurekChandrajit Bajaj, Richard Borgens Core Laboratory for Image
Analysis & Multidimensional Applications: Division of the
Purdue Center for Image Analysis & Data Visualization
Basic Medical Sciences
School of Veterinary Medicine
LaLabb
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Implementation of a multiresolution client-server environment for fast navigation and search of high-resolution image databases (JJ Turek, CA Bouman-Electrical and Computer Engineering)
3D visualization and quantification of the effects of IGF-1 on the morphology of chick embryo leg muscles. (J McCleerey; IU School of Medicine, JJ Turek, P Mitchell, K Hannon; Basic Medical Sciences)
Analysis of hair texture as a corollary to health using scanning electron microscopy and wavelet decomposition analysis. (JJ Turek)
Research
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Viewed imageon client
Predictive pre-fetchingregion in the wavelet
domain
Bufferedclient data
Serverimagedata
X-Y translationwithin image
database
Increase/decreaseresolution
Model of dynamic navigation and browsing of high-resolution image database via pre fetching and warping-decompression
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Sampleregion
found insearch
ExampleRegion
Metadataextraction
Full resolutionsearch
Fast metadata visualizationperformed prior to fullresolution search andfeature extraction
Visualization of metadataattributes using Bayesianprobability estimates to locatedesired image features
5%
95%
Metadata visualization as an aid to searching a high-resolution image database on server
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In Conclusion
Equipment put to good use Important support for our teaching
and research
Would like to ask you again…