Advanced optical correlation and digital methods for pattern matching—50th anniversary of Vander Lugt matched filter

MS Millan - Journal of Optics, 2012 - iopscience.iop.org
On the verge of the 50th anniversary of Vander Lugt's formulation for pattern matching based
on matched filtering and optical correlation, we acknowledge the very intense research …

Target tracking in nonuniform illumination conditions using locally adaptive correlation filters

VH Diaz-Ramirez, K Picos, V Kober - Optics Communications, 2014 - Elsevier
An accurate method for tracking the position and orientation of a moving target in
nonuniformly illuminated and noisy scenes is proposed. The approach employs a filter bank …

Target tracking with dynamically adaptive correlation

LN Gaxiola, VH Diaz-Ramirez, JJ Tapia… - Optics …, 2016 - Elsevier
A reliable algorithm for target tracking based on dynamically adaptive correlation filtering is
presented. The algorithm is capable of tracking with high accuracy the location of a target in …

Real-time tracking of multiple objects using adaptive correlation filters with complex constraints

VH Diaz-Ramirez, V Contreras, V Kober, K Picos - Optics Communications, 2013 - Elsevier
A real-time system for classification and tracking of multiple moving objects is proposed. The
system employs a bank of composite correlation filters with complex constraints …

Nonlinear synthetic discriminant function filters for illumination-invariant pattern recognition

S Martinez-Diaz, V Kober - Optical Engineering, 2008 - spiedigitallibrary.org
Novel nonlinear adaptive composite filters for illumination-invariant pattern recognition are
presented. Pattern recognition is carried out with space-variant nonlinear correlation. The …

Multiclass pattern recognition using adaptive correlation filters with complex constraints

VH Diaz-Ramirez, OG Campos-Trujillo… - Optical …, 2012 - spiedigitallibrary.org
An efficient method for reliable multiclass pattern recognition using a bank of adaptive
correlation filters is proposed. The method can recognize and classify multiple targets from …

Target recognition under nonuniform illumination conditions

VH Diaz-Ramirez, V Kober - Applied optics, 2009 - opg.optica.org
A two-step algorithm for reliable recognition of a target imbedded into a two-dimensional
nonuniformly illuminated and noisy scene is presented. The input scene is preprocessed …

Constrained composite filter for intraclass distortion invariant object recognition

VH Diaz-Ramirez - Optics and Lasers in Engineering, 2010 - Elsevier
A composite filter for a reliable recognition of a target and its intraclass distortions is
presented. The filter is synthesized with the help of two data sets, a conventional training set …

Three-dimensional pose tracking by image correlation and particle filtering

K Picos, VH Diaz-Ramirez, AS Montemayor… - Optical …, 2018 - spiedigitallibrary.org
This research presents an algorithm for three-dimensional (3-D) pose tracking of a rigid
object by processing sequences of monocular images. The pose trajectory of the object is …

Correlation-based tracking using tunable training and kalman prediction

SE Ontiveros-Gallardo, V Kober - Applications of Digital Image …, 2016 - spiedigitallibrary.org
Tracking solves the problem of detecting and estimating the future target state in an input
video sequence. In this work, an adaptive tracking algorithm by means of multiple object …