Enhancement of signal-to-noise ratio of schlieren visualization measurements in low-density wind tunnel tests using modal decomposition.
Tsuyoshi ShigetaTakayuki NagataTaku NonomuraKeisuke AsaiPublished in: J. Vis. (2022)
Keyphrases
- signal to noise ratio
- low density
- wind tunnel
- high density
- flight test
- noise reduction
- nasa langley research center
- active control
- edge detection
- bit error rate
- parameter identification
- image enhancement
- gaussian noise
- edge detector
- closed loop
- matched filter
- image processing
- data center
- minimum mean square error
- contrast to noise ratio
- neural network training
- test data
- image analysis
- multiscale