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The Diagonalized Newton Algorithm for Nonnegative Matrix Factorization
https://openreview.net/forum?id=i87JIQTAnB8AQ
[ "Hugo Van hamme" ]
Poster
null
Non-negative matrix factorization (NMF) has become a popular machine learning approach to many problems in text mining, speech and image processing, bio-informatics and seismic data analysis to name a few. In NMF, a matrix of non-negative data is approximated by the low-rank product of two matrices with non-negative en...
[]
null
60
1301.3389
title_snapshot
[ -0.03260154277086258, -0.051876336336135864, 0.008037894032895565, 0.011109518818557262, 0.061303023248910904, 0.024555789306759834, 0.0034658813383430243, -0.024975696578621864, -0.05028868094086647, -0.047946903854608536, 0.009943371638655663, 0.019629834219813347, -0.06393098086118698, ...
Complexity of Representation and Inference in Compositional Models with Part Sharing
https://openreview.net/forum?id=ZhGJ9KQlXi9jk
[ "Alan Yuille", "Roozbeh Mottaghi" ]
Oral
null
This paper describes serial and parallel compositional models of multiple objects with part sharing. Objects are built by part-subpart compositions and expressed in terms of a hierarchical dictionary of object parts. These parts are represented on lattices of decreasing sizes which yield an executive summary descriptio...
[]
null
34
1301.3560
title_snapshot
[ -0.015909092500805855, 0.019791757687926292, -0.026066439226269722, 0.04528253152966499, 0.04535312205553055, 0.027685711160302162, 0.019155291840434074, 0.03190021216869354, -0.04839801415801048, -0.02525367960333824, -0.007414441555738449, -0.01662174053490162, -0.07065080851316452, 0.02...
Indoor Semantic Segmentation using depth information
https://openreview.net/forum?id=ttnAE7vaATtaK
[ "Camille Couprie", "Clement Farabet", "Laurent Najman", "Yann LeCun" ]
Oral
null
This work addresses multi-class segmentation of indoor scenes with RGB-D inputs. While this area of research has gained much attention recently, most works still rely on hand-crafted features. In contrast, we apply a multiscale convolutional network to learn features directly from the images and the depth information. ...
[]
null
40
1301.3572
title_snapshot
[ -0.0018247566185891628, -0.018380029127001762, 0.024312905967235565, 0.03422505035996437, 0.058434709906578064, 0.02610689215362072, 0.032041944563388824, 0.025194626301527023, -0.01078294962644577, -0.027966726571321487, -0.04100475087761879, -0.019566556438803673, -0.04676768183708191, 0...
Metric-Free Natural Gradient for Joint-Training of Boltzmann Machines
https://openreview.net/forum?id=OpvgONa-3WODz
[ "Guillaume Desjardins", "Razvan Pascanu", "Aaron Courville", "Yoshua Bengio" ]
Poster
null
This paper introduces the Metric-Free Natural Gradient (MFNG) algorithm for training Boltzmann Machines. Similar in spirit to the Hessian-Free method of Martens [8], our algorithm belongs to the family of truncated Newton methods and exploits an efficient matrix-vector product to avoid explicitely storing the natural g...
[]
null
65
1301.3545
title_snapshot
[ -0.023511625826358795, -0.01940295845270157, 0.015635592862963676, 0.014722310937941074, 0.0306413397192955, 0.023500777781009674, 0.03843100741505623, -0.0062202042900025845, -0.02286929078400135, -0.046439096331596375, -0.01693221740424633, -0.0005157265695743263, -0.05647147819399834, -...
Local Component Analysis
https://openreview.net/forum?id=mLr3In-nbamNu
[ "Nicolas Le Roux", "Francis Bach" ]
Poster
null
Kernel density estimation, a.k.a. Parzen windows, is a popular density estimation method, which can be used for outlier detection or clustering. With multivariate data, its performance is heavily reliant on the metric used within the kernel. Most earlier work has focused on learning only the bandwidth of the kernel (i....
[]
null
64
1109.0093
title_snapshot
[ -0.006370107643306255, -0.005952856503427029, 0.01948409527540207, 0.03865031525492668, 0.024454081431031227, 0.05085120350122452, 0.036635980010032654, -0.007703891023993492, -0.009366573765873909, -0.06996951252222061, -0.042887892574071884, -0.006187923718243837, -0.056702569127082825, ...
Discriminative Recurrent Sparse Auto-Encoders
https://openreview.net/forum?id=aJh-lFL2dFJ21
[ "Jason Rolfe", "Yann LeCun" ]
Oral
null
We present the discriminative recurrent sparse auto-encoder model, which consists of an encoder whose hidden layer is recurrent, and two linear decoders, one to reconstruct the input, and one to predict the output. The hidden layer is composed of rectified linear units (ReLU) and is subject to a sparsity penalty. The n...
[]
null
51
1301.3775
title_snapshot
[ 0.03250997141003609, -0.024116098880767822, -0.026148490607738495, 0.03889336809515953, 0.03493936359882355, 0.06224436312913895, 0.029559794813394547, 0.006333284080028534, -0.04381375014781952, -0.03902113065123558, -0.010815606452524662, -0.02861005999147892, -0.051158588379621506, 0.00...
Training Neural Networks with Stochastic Hessian-Free Optimization
https://openreview.net/forum?id=tFbuFKWX3MFC8
[ "Ryan Kiros" ]
Poster
null
Hessian-free (HF) optimization has been successfully used for training deep autoencoders and recurrent networks. HF uses the conjugate gradient algorithm to construct update directions through curvature-vector products that can be computed on the same order of time as gradients. In this paper we exploit this property a...
[]
null
48
1301.3641
title_snapshot
[ -0.008612871170043945, 0.003103090450167656, 0.0055523160845041275, 0.05154287442564964, 0.023103520274162292, 0.04582112282514572, 0.025747524574398994, 0.025312909856438637, -0.027139998972415924, -0.06321226805448532, 0.013746872544288635, 0.01170892734080553, -0.06102953106164932, -0.0...
Jitter-Adaptive Dictionary Learning - Application to Multi-Trial Neuroelectric Signals
https://openreview.net/forum?id=4eEO5rd6xSevQ
[ "Sebastian Hitziger", "Maureen Clerc", "Alexandre Gramfort", "Sandrine Saillet", "Christian Bénar", "Théodore Papadopoulo" ]
Poster
null
Dictionary Learning has proven to be a powerful tool for many image processing tasks, where atoms are typically defined on small image patches. As a drawback, the dictionary only encodes basic structures. In addition, this approach treats patches of different locations in one single set, which means a loss of informati...
[]
null
33
1301.3611
title_snapshot
[ -0.008296752348542213, 0.019511403515934944, 0.004105623811483383, 0.005779339466243982, 0.02305924892425537, 0.036515362560749054, 0.04190755635499954, 0.012484434060752392, -0.05371006950736046, -0.05886933580040932, -0.019996894523501396, -0.005578610580414534, -0.06946022063493729, -0....
The Neural Representation Benchmark and its Evaluation on Brain and Machine
https://openreview.net/forum?id=7hXs7GzQHo-QK
[ "Charles Cadieu", "Ha Hong", "Dan Yamins", "Nicolas Pinto", "Najib J. Majaj", "James J. DiCarlo" ]
Oral
null
A key requirement for the development of effective learning representations is their evaluation and comparison to representations we know to be effective. In natural sensory domains, the community has viewed the brain as a source of inspiration and as an implicit benchmark for success. However, it has not been possible...
[]
null
32
1301.3530
title_snapshot
[ -0.028305666521191597, 0.01927330158650875, -0.010387054644525051, 0.024112144485116005, 0.016112327575683594, 0.03296041116118431, 0.03461501747369766, 0.03391268104314804, -0.05809119716286659, -0.03718027099967003, -0.006312303710728884, -0.005581161938607693, -0.057130564004182816, -0....
Feature grouping from spatially constrained multiplicative interaction
https://openreview.net/forum?id=4UGuUZWZmi4Ze
[ "Felix Bauer", "Roland Memisevic" ]
Oral
null
We present a feature learning model that learns to encode relationships between images. The model is defined as a Gated Boltzmann Machine, which is constrained such that hidden units that are nearby in space can gate each other's connections. We show how frequency/orientation 'columns' as well as topographic filter map...
[]
null
4
1301.3391
title_snapshot
[ 0.0117056705057621, 0.001676317653618753, 0.011737189255654812, 0.02680104412138462, 0.01436387374997139, 0.01372661255300045, 0.019572734832763672, -0.010288420133292675, -0.015436851419508457, -0.039925843477249146, -0.022519996389746666, -0.017099430784583092, -0.06609218567609787, 0.00...
Barnes-Hut-SNE
https://openreview.net/forum?id=eQWJec0ursynH
[ "Laurens van der Maaten" ]
Oral
null
The paper presents an O(N log N)-implementation of t-SNE -- an embedding technique that is commonly used for the visualization of high-dimensional data in scatter plots and that normally runs in O(N^2). The new implementation uses vantage-point trees to compute sparse pairwise similarities between the input data object...
[]
null
19
1301.3342
title_snapshot
[ 0.024487050250172615, 0.005723854061216116, 0.010957730934023857, 0.007352383807301521, 0.028199974447488785, 0.009918122552335262, 0.011162872426211834, 0.007965127006173134, -0.02479683607816696, -0.04817178100347519, -0.0021595305297523737, -0.011187939904630184, -0.06420276314020157, 0...
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