A Forum for Signal and Image Sciences
The Center for Advanced Signal and Image Sciences (CASIS) establishes a forum where research scientists and engineers can freely exchange information and ideas, focused on the areas of the signal and image sciences.
CASIS acts as liaison among various signal and image processing groups in industry, government and academia, and coordinates with all Laboratory groups performing research and development related to the signal and imaging sciences. CASIS also transfers timely technical information through publications, technical presentations, and invited seminars like the annual Signal & Imaging Sciences Workshop at LLNL.
CASIS Capabilities
Current research and development foci for CASIS include:
- Adaptive optics
- Computer vision and video analytics
- CT reconstruction and analysis
- Machine learning and pattern analysis
- Novel sensing modalities
- Radiation detection and isotope identification
- Signal and image analysis at the National Ignition Facility (NIF)
What We’re Working On
Automated alignment for the National Ignition Facility (NIF) is accomplished using a large-scale parallel control system that directs 192 laser beams along the 300-m optical path. The beams are then focused down to a 50-micron spot in the middle of the target chamber.
A central component of the alignment system is the image analysis algorithms provided by CASIS, which extract information from alignment imagery and provide feedback for the control loops.
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