Efficient and modular implicit differentiation
Automatic differentiation (autodiff) has revolutionized machine learning. Itallows to express
complex computations by composing elementary ones in creativeways and removes the …
complex computations by composing elementary ones in creativeways and removes the …
Modern regularization methods for inverse problems
Regularization methods are a key tool in the solution of inverse problems. They are used to
introduce prior knowledge and allow a robust approximation of ill-posed (pseudo-) inverses …
introduce prior knowledge and allow a robust approximation of ill-posed (pseudo-) inverses …
A direct algorithm for 1-D total variation denoising
L Condat - IEEE Signal Processing Letters, 2013 - ieeexplore.ieee.org
A very fast noniterative algorithm is proposed for denoising or smoothing one-dimensional
discrete signals, by solving the total variation regularized least-squares problem or the …
discrete signals, by solving the total variation regularized least-squares problem or the …
[BOOK][B] Sparse image and signal processing: Wavelets and related geometric multiscale analysis
This thoroughly updated new edition presents state of the art sparse and multiscale image
and signal processing. It covers linear multiscale geometric transforms, such as wavelet …
and signal processing. It covers linear multiscale geometric transforms, such as wavelet …
Stein Unbiased GrAdient estimator of the Risk (SUGAR) for multiple parameter selection
Algorithms for solving variational regularization of ill-posed inverse problems usually involve
operators that depend on a collection of continuous parameters. When the operators enjoy …
operators that depend on a collection of continuous parameters. When the operators enjoy …
Bearing fault diagnosis based on variational mode decomposition and total variation denoising
S Zhang, Y Wang, S He, Z Jiang - Measurement Science and …, 2016 - iopscience.iop.org
Feature extraction plays an essential role in bearing fault detection. However, the measured
vibration signals are complex and non-stationary in nature, and meanwhile impulsive …
vibration signals are complex and non-stationary in nature, and meanwhile impulsive …
Implicit differentiation of lasso-type models for hyperparameter optimization
Abstract Setting regularization parameters for Lasso-type estimators is notoriously difficult,
though crucial for obtaining the best accuracy. The most popular hyperparameter …
though crucial for obtaining the best accuracy. The most popular hyperparameter …
CNV_IFTV: an isolation forest and total variation-based detection of CNVs from short-read sequencing data
X Yuan, J Yu, J **, L Yang, J Shang… - … /ACM transactions on …, 2019 - ieeexplore.ieee.org
Accurate detection of copy number variations (CNVs) from short-read sequencing data is
challenging due to the uneven distribution of reads and the unbalanced amplitudes of gains …
challenging due to the uneven distribution of reads and the unbalanced amplitudes of gains …
Posterior expectation of the total variation model: Properties and experiments
The total variation image (or signal) denoising model is a variational approach that can be
interpreted, in a Bayesian framework, as a search for the maximum point of the posterior …
interpreted, in a Bayesian framework, as a search for the maximum point of the posterior …
The degrees of freedom of partly smooth regularizers
We study regularized regression problems where the regularizer is a proper, lower-
semicontinuous, convex and partly smooth function relative to a Riemannian submanifold …
semicontinuous, convex and partly smooth function relative to a Riemannian submanifold …