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Implications for Future Medicine
History of Diagnostic Ultrasound
Pocket Ultrasound System (Siemens)
More Information for Diagnosis
• TV vs. Scan converter 70’s
• Microprocessor vs. Programmable system
• Computation powers vs. real-time 3D • Semiconductor process vs. portable
system
• pixel based real time phase rotation and summation Dynamic focusing
• real-time spectral analysis Doppler
imaging
transducers
Functional and molecular imaging
• Computationally extensive (real time 3D) • Low power • New definition of “PC-based imaging”
New system architectures
1st generation:
generation:
• Fast computations (on GPU)
Parallel structure
Ideal solution for imaging that requires intensive parallel processing
BME Applications of CUDA
Improved MRI quality UIUC
Interactive Visualization of Volumetric White Matter Connectivity U of Utah
Biomedical Image Analysis Dept. of Biomedical informatics, Ohio State
… etc.
Visualize blood flow information in real time
Computation requirements
Int egrat ion
Flow Est imat ion
Flow Est imat ion
Flow Est imat ion
Signal Processing Block Diagram
Flow Est imat ion
Time Consumption
Copy Data to GPU 2.374
Flow Info Extraction 156.3 2.583 60
Median Filter
Total
Probe: cMUT or
(from Fink et al.)
from U-systems
Beamformer
RF data Image data
RF data Image data