Laser Speckle Imaging
Real-time laser speckle contrast imaging for watching blood flow in tissue, with the camera and laser tuned automatically in a closed loop.
Spec
- Camera
- Basler, 16-bit
- Contrast window
- 7×7 pixels, sliding
- Exposure control
- Microsecond steps
- Saturation target
- Center-weighted, 98%
- Laser control
- Arduino feedback loop
- UI
- Python, PySide6
Write-up coming soon.
Why I built it
Who it was for and what problem they had.
The hard part
One decision I had to make and what I gave up.
What I'd do next
Honest limits and the next measurement.