A time-frequency-shift invariant parameter estimator for oscillating transient functions using the matched window reassignment.
Johan BrynolfssonIsabella ReinholdMaria SandstenPublished in: Signal Process. (2021)
Keyphrases
- shift invariant
- wavelet domain
- wavelet coefficients
- wavelet transform
- rotation invariant
- discrete wavelet transform
- sparse coding
- least squares
- edge preserving
- multiscale
- blurred images
- subband
- natural images
- image denoising
- signal processing
- image representation
- gray level
- frequency domain
- bag of words
- maximum likelihood
- input image
- image analysis
- regularization parameter
- feature vectors
- object recognition
- computer vision