Upload
victor-hudson
View
214
Download
1
Tags:
Embed Size (px)
Citation preview
Handling the Data ExplosionWesley D. Turner, Ph.DGeneral Electric Global Research
2 /GE /
April 7, 2004
2
Handling the Data Explosion
•Software is Necessary
•Open Source, leveraging the community
•“Data Drives Development”
3 /GE /
April 7, 2004
3
Software is Necessary2001
LightSpeed Ultra
1.25mm
240 slices
1996
HiSpeed Cti
10mm
30 slices
1998
LightSpeed QX/I
2.5mm
120 slices
2004
LightSpeedVCT
.625mm
480 slices
4 /GE /
April 7, 2004
4
Open Source, Leveraging the Community•Toolkit of public algorithms •Community committed to testing/maintaining base•Experts encouraged to add their own algorithms•Liberal licensing allows commercialization•Differentiation allowed
5 /GE /
April 7, 2004
5
Data Drives Development
•Data availability lags scanners•Proprietary databases take time and resources•Diversity in protocol required for robust algorithms•How do we compare ground truth?•Need Open Source data
0
50
100
150
200
250
300
350
Nu
mb
er o
f N
od
ule
s D
etec
ted
4 mm 5 mm 6 mm 7 mm 8 mm 9 mm >=10mm
Nodule Size
3 readers 2 readers 1 reader