Concept

Regularized least squares

Related publications (293)

Graph Chatbot

Chat with Graph Search

Ask any question about EPFL courses, lectures, exercises, research, news, etc. or try the example questions below.

DISCLAIMER: The Graph Chatbot is not programmed to provide explicit or categorical answers to your questions. Rather, it transforms your questions into API requests that are distributed across the various IT services officially administered by EPFL. Its purpose is solely to collect and recommend relevant references to content that you can explore to help you answer your questions.

Parameter estimation with multiple sources and levels of uncertainties

Ali H. Sayed

Least-squares designs are sensitive to errors in the data, which can be due to several factors including the approximation of complex models by simpler ones, the presence of unavoidable experimental errors when collecting data, or even due to unknown or un ...

IEEE2000

B-Spline Snakes: A Flexible Tool for Parametric Contour Detection

Michaël Unser

We present a novel formulation for B-spline snakes that can be used as a tool for fast and intuitive contour outlining. We start with a theoretical argument in favor of splines in the traditional formulation by showing that the optimal, curvature-constrain ...

IEEE2000

Texture Mapping by Successive Refinement

Michaël Unser, Philippe Thévenaz

We define texture mapping as an optimization problem for which the goal of preserving the maximum amount of information in the mapped texture. We derive a solution that is optimal in the least-squares sense and that corresponds to the pseudo-inverse of a ...

IEEE2000

Texture mapping by successive refinement

Michaël Unser, Philippe Thévenaz, Stefan Horbelt

2000

On the geometry of a modern imaging diffractometer

Gervais Chapuis

The geometry of a modern imaging diffractometer is discussed in detail. A method to find all relevant instrument parameters from the control single-crystal measurement data is proposed and the limitations of such a procedure are indicated. Optimization of ...

1999

Animated heads from ordinary images: a least-squares approach

Pascal Fua

We show that we can effectively fit arbitrarily complex animation models to noisy data extracted from ordinary face images. Our approach is based on least-squares adjustment, using of a set of progressively finer control triangulations and takes advantage ...

Elsevier1999

Clock synchronization of MPEG-2 services over packet networks

Jean-Pierre Hubaux

We address the problem of time-base synchronization for MPEG services in the presence of network jitter. The conventional methods to obtain a stable clock indication are based on Phase Locked Loops (PLLs). They have the disadvantage of a long startup phase ...

1999

Mid-infrared spectroscopic monitoring of animal cell culture bioreactor processes

Urs von Stockar, Ian William Marison, Martin Rhiel

Mid-IR (MIR) spectroscopy in combination with partial least-squares (PLS) regression anal. was used to monitor the concns. of glucose, lactate, ammonia, and asparagine in situ during bioreactor cultivation of CHO/SSF3 cells. Simple PLS calibration models w ...

1999

An Efficient Mutual Information Optimizer for Multiresolution Image Registration

Michaël Unser, Philippe Thévenaz

We propose a new optimizer in the context of multimodal image registration. The optimized criterion is the mutual in formation between the images to align. This criterion requires that their joint histogram be available. For its computation, we introduce d ...

IEEE1998

A Pyramid Approach to Subpixel Registration Based on Intensity

Michaël Unser, Philippe Thévenaz

We present an automatic sub-pixel registration algorithm that minimizes the mean square difference of intensities between a reference and a test data set, which can be either tri-dimensional (3-D) volumes or bi-dimensional (2-D) images. It uses spline proc ...

IEEE1998