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Author
Oriol Pujol; Petia Radeva; Jordi Vitria
Title
Discriminant ECOC: A Heuristic Method for Application Dependent Design of Error Correcting Output Codes
Type
Journal
Year
2006
Publication
IEEE Transactions on Pattern Analysis and Machine Intelligence, 28(6): 1007–1012
Abbreviated Journal
Volume
Issue
Pages
Keywords
Abstract
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
OR;MILAB;HuPBA;MV
Approved
no
Call Number
BCNPCL @ bcnpcl @ PRV2006a
Serial
646
Permanent link to this record
Author
Matthias S. Keil; Jordi Vitria
Title
Does the brain generate representations of smooth brightness gradients? A novel account for Mach bands, Chevreul’s illusion, and a variant of the Ehrenstein disk
Type
Journal
Year
2005
Publication
Perception 34:209–210 Suppl. S (IF: 1.391)
Abbreviated Journal
Volume
Issue
Pages
Keywords
Abstract
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
OR;MV
Approved
no
Call Number
BCNPCL @ bcnpcl @ KeV2005a
Serial
608
Permanent link to this record
Author
David Sanchez-Mendoza; David Masip; Agata Lapedriza
Title
Emotion recognition from mid-level features
Type
Journal Article
Year
2015
Publication
Pattern Recognition Letters
Abbreviated Journal
PRL
Volume
67
Issue
Part 1
Pages
66–74
Keywords
Facial expression; Emotion recognition; Action units; Computer vision
Abstract
In this paper we present a study on the use of Action Units as mid-level features for automatically recognizing basic and subtle emotions. We propose a representation model based on mid-level facial muscular movement features. We encode these movements dynamically using the Facial Action Coding System, and propose to use these intermediate features based on Action Units (AUs) to classify emotions. AUs activations are detected fusing a set of spatiotemporal geometric and appearance features. The algorithm is validated in two applications: (i) the recognition of 7 basic emotions using the publicly available Cohn-Kanade database, and (ii) the inference of subtle emotional cues in the Newscast database. In this second scenario, we consider emotions that are perceived cumulatively in longer periods of time. In particular, we Automatically classify whether video shoots from public News TV channels refer to Good or Bad news. To deal with the different video lengths we propose a Histogram of Action Units and compute it using a sliding window strategy on the frame sequences. Our approach achieves accuracies close to human perception.
Address
Corporate Author
Thesis
Publisher
Elsevier B.V.
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
0167-8655
ISBN
Medium
Area
Expedition
Conference
Notes
OR;MV
Approved
no
Call Number
Admin @ si @ SML2015
Serial
2746
Permanent link to this record
Author
Juan Ramon Terven Salinas; Joaquin Salas; Bogdan Raducanu
Title
Estado del Arte en Sistemas de Vision Artificial para Personas Invidentes
Type
Journal
Year
2013
Publication
Komputer Sapiens
Abbreviated Journal
KS
Volume
1
Issue
Pages
20-25
Keywords
Abstract
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
OR;MV
Approved
no
Call Number
Admin @ si @ TSR2013
Serial
2231
Permanent link to this record
Author
David Guillamet; Jordi Vitria
Title
Evaluation of distance metrics for recognition based on non-negative matrix factorization
Type
Journal Article
Year
2003
Publication
Pattern Recognition Letters
Abbreviated Journal
PRL
Volume
24
Issue
9-10
Pages
1599 –1605
Keywords
Abstract
IF: 0.809
Address
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
Notes
OR;MV
Approved
no
Call Number
BCNPCL @ bcnpcl @ GuV2003b
Serial
380
Permanent link to this record
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