Denoising and change point localisation in piecewise-constant high-dimensional regression coefficients.
Fan WangOscar Hernan Madrid PadillaYi YuAlessandro RinaldoPublished in: AISTATS (2022)
Keyphrases
- piecewise constant
- change point
- denoising
- regression coefficients
- high dimensional
- linear models
- ls svm
- variable selection
- image denoising
- change point detection
- noisy images
- level set method
- natural images
- level set
- image processing
- data points
- low dimensional
- high dimensional data
- total variation
- dimensionality reduction
- mean shift
- curve evolution
- non stationary
- active contours
- higher order
- support vector
- velocity field
- loss function
- image enhancement
- least squares
- feature vectors
- image sequences