Measurement Oxygen Saturation Based on Amplitude of Single Wavelength of Photoacoustic Signal from Finger Tips: This establishes the formula to map features of photoacoustic (PA) signals/images with oxygen saturation directly.
Ming-Chun TsaiTsu-Wang ShenTing-Ku OuTian-Fu LeePublished in: ICMHI (2021)
Keyphrases
- image features
- multidimensional signals
- gaussian white noise
- slowly varying
- original images
- test images
- image database
- keypoints
- extracted features
- image contrast
- pixel intensities
- gabor filters
- signal processing
- input image
- spatial frequency
- object recognition
- image retrieval
- low signal to noise ratio
- feature extraction
- feature maps
- image regions
- image classification
- non stationary
- feature vectors
- signal detection
- phase information
- feature set
- heart rate
- ecg signals
- rotationally invariant
- hilbert transform
- feature space
- radio frequency
- video signals
- band limited
- edge detection
- denoising