Pedestrian detection with unsupervised multi-stage feature learning

P Sermanet, K Kavukcuoglu… - Proceedings of the …, 2013 - openaccess.thecvf.com
Pedestrian detection is a problem of considerable practical interest. Adding to the list of
successful applications of deep learning methods to vision, we report state-of-theart and …

What is the best multi-stage architecture for object recognition?

K Jarrett, K Kavukcuoglu, MA Ranzato… - 2009 IEEE 12th …, 2009 - ieeexplore.ieee.org
In many recent object recognition systems, feature extraction stages are generally
composed of a filter bank, a non-linear transformation, and some sort of feature pooling …

From sparse solutions of systems of equations to sparse modeling of signals and images

AM Bruckstein, DL Donoho, M Elad - SIAM review, 2009 - SIAM
A full-rank matrix \bfA∈R^n*m with n<m generates an underdetermined system of linear
equations \bfAx=\bfb having infinitely many solutions. Suppose we seek the sparsest …

Learning convolutional feature hierarchies for visual recognition

K Kavukcuoglu, P Sermanet… - Advances in neural …, 2010 - proceedings.neurips.cc
We propose an unsupervised method for learning multi-stage hierarchies of sparse
convolutional features. While sparse coding has become an increasingly popular method for …

SVD based initialization: A head start for nonnegative matrix factorization

C Boutsidis, E Gallopoulos - Pattern recognition, 2008 - Elsevier
We describe Nonnegative Double Singular Value Decomposition (NNDSVD), a new method
designed to enhance the initialization stage of nonnegative matrix factorization (NMF) …

Sparse and redundant representation-based smart meter data compression and pattern extraction

Y Wang, Q Chen, C Kang, Q **a… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Smart meters play vital roles in the aspects of the management and operation of smart grids
such as demand response, energy efficiency improvement, and electricity pricing. Massive …

Sparse factor analysis for learning and content analytics

AS Lan, AE Waters, C Studer… - The Journal of Machine …, 2014 - dl.acm.org
We develop a new model and algorithms for machine learning-based learning analytics,
which estimate a learner's knowledge of the concepts underlying a domain, and content …

[HTML][HTML] Sparse nonnegative matrix factorization with ℓ0-constraints

R Peharz, F Pernkopf - Neurocomputing, 2012 - Elsevier
Although nonnegative matrix factorization (NMF) favors a sparse and part-based
representation of nonnegative data, there is no guarantee for this behavior. Several authors …

Integrated face and gait recognition from multiple views

G Shakhnarovich, L Lee… - Proceedings of the 2001 …, 2001 - ieeexplore.ieee.org
We develop a view-normalization approach to multi-view face and gait recognition. An
image-based visual hull (IBVH) is computed from a set of monocular views and used to …

Learning sparse codes for hyperspectral imagery

AS Charles, BA Olshausen… - IEEE Journal of Selected …, 2011 - ieeexplore.ieee.org
The spectral features in hyperspectral imagery (HSI) contain significant structure that, if
properly characterized, could enable more efficient data acquisition and improved data …