| Records |
| Author |
Cristhian Aguilera; M.Ramos; Angel Sappa |
Title  |
Simulated Annealing: A Novel Application of Image Processing in the Wood Area |
Type |
Book Chapter |
| Year |
2012 |
Publication |
Simulated Annealing – Advances, Applications and Hybridizations |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
91-104 |
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Editor |
Marcos de Sales Guerra Tsuzuki |
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Edition |
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| ISSN |
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ISBN |
978-953-51-0710-1 |
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Expedition |
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Conference |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
Admin @ si @ ARS2012 |
Serial |
2156 |
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| Author |
Oriol Pujol; Petia Radeva |
| Title |
Solving Particularization with Supervised Clustering Competition Scheme |
Type |
Book Chapter |
| Year |
2005 |
Publication |
Pattern Recognition and Image Analysis (IbPRIA 2005), LNCS 3523: 11–18 |
Abbreviated Journal |
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Issue |
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Pages |
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| Address |
Estoril (Portugal) |
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| Notes |
MILAB;HuPBA |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ PuR2005b |
Serial |
557 |
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| Author |
Miquel Ferrer; Ernest Valveny; F. Serratosa |
| Title |
Spectral Median Graphs Applied to Graphical Symbol Recognition |
Type |
Book Chapter |
| Year |
2006 |
Publication |
11th Iberoamerican Congress on Pattern Recognition (CIARP´06), J.P. Martinez–Trinidad et al. (Eds.), LNCS 4225: 774–783 |
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| Address |
Cancun (Mexico) |
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| Notes |
DAG |
Approved |
no |
| Call Number |
DAG @ dag @ FVS2006b |
Serial |
698 |
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| Author |
Marçal Rusiñol; Dimosthenis Karatzas; Josep Llados |
| Title |
Spotting Graphical Symbols in Camera-Acquired Documents in Real Time |
Type |
Book Chapter |
| Year |
2014 |
Publication |
Graphics Recognition. Current Trends and Challenges |
Abbreviated Journal |
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| Volume |
8746 |
Issue |
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Pages |
3-10 |
| Keywords |
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| Abstract |
In this paper we present a system devoted to spot graphical symbols in camera-acquired document images. The system is based on the extraction and further matching of ORB compact local features computed over interest key-points. Then, the FLANN indexing framework based on approximate nearest neighbor search allows to efficiently match local descriptors between the captured scene and the graphical models. Finally, the RANSAC algorithm is used in order to compute the homography between the spotted symbol and its appearance in the document image. The proposed approach is efficient and is able to work in real time. |
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| Publisher |
Springer Berlin Heidelberg |
Place of Publication |
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Editor |
Bart Lamiroy; Jean-Marc Ogier |
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Original Title |
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Series Title |
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Abbreviated Series Title |
LNCS |
| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0302-9743 |
ISBN |
978-3-662-44853-3 |
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Conference |
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| Notes |
DAG; 600.045; 600.055; 600.061; 600.077 |
Approved |
no |
| Call Number |
Admin @ si @ RKL2014 |
Serial |
2700 |
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| Author |
Thanh Ha Do; Salvatore Tabbone; Oriol Ramos Terrades |
| Title |
Spotting Symbol over Graphical Documents Via Sparsity in Visual Vocabulary |
Type |
Book Chapter |
| Year |
2016 |
Publication |
Recent Trends in Image Processing and Pattern Recognition |
Abbreviated Journal |
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| Volume |
709 |
Issue |
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Pages |
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Conference |
RTIP2R |
| Notes |
DAG |
Approved |
no |
| Call Number |
Admin @ si @ HTR2016 |
Serial |
2956 |
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| Author |
Joan Mas; Gemma Sanchez; Josep Llados |
| Title |
SSP: Sketching slide Presentations, a Syntactic Approach |
Type |
Book Chapter |
| Year |
2010 |
Publication |
Graphics Recognition. Achievements, Challenges, and Evolution. 8th International Workshop, GREC 2009. Selected Papers |
Abbreviated Journal |
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| Volume |
6020 |
Issue |
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Pages |
118-129 |
| Keywords |
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| Abstract |
The design of a slide presentation is a creative process. In this process first, humans visualize in their minds what they want to explain. Then, they have to be able to represent this knowledge in an understandable way. There exists a lot of commercial software that allows to create our own slide presentations but the creativity of the user is rather limited. In this article we present an application that allows the user to create and visualize a slide presentation from a sketch. A slide may be seen as a graphical document or a diagram where its elements are placed in a particular spatial arrangement. To describe and recognize slides a syntactic approach is proposed. This approach is based on an Adjacency Grammar and a parsing methodology to cope with this kind of grammars. The experimental evaluation shows the performance of our methodology from a qualitative and a quantitative point of view. Six different slides containing different number of symbols, from 4 to 7, have been given to the users and they have drawn them without restrictions in the order of the elements. The quantitative results give an idea on how suitable is our methodology to describe and recognize the different elements in a slide. |
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| Publisher |
Springer Berlin Heidelberg |
Place of Publication |
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LNCS |
| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0302-9743 |
ISBN |
978-3-642-13727-3 |
Medium |
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Expedition |
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Conference |
GREC |
| Notes |
DAG |
Approved |
no |
| Call Number |
MSL2010 |
Serial |
2405 |
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| Author |
Angel Sappa; David Geronimo; Fadi Dornaika; Antonio Lopez |
| Title |
Stereo Vision Camera Pose Estimation for On-Board Applications |
Type |
Book Chapter |
| Year |
2007 |
Publication |
Scene Reconstruction, Pose Estimation and Traking |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
39-50 |
| Keywords |
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| Abstract |
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| Address |
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| Corporate Author |
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Thesis |
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| Publisher |
Rustam Stolking |
Place of Publication |
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Editor |
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Original Title |
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Edition |
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ISBN |
978-3-902613-06-6 |
Medium |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ SGD2007 |
Serial |
797 |
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| Author |
David Aldavert; Ricardo Toledo |
| Title |
Stereo Vision Local Map Alignment for Robot Environment Mapping |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Robot Vision Second International Workshop, RobVis |
Abbreviated Journal |
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| Volume |
4931 |
Issue |
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Pages |
111–124 |
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| Abstract |
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| Address |
Auckland (New Zealand) |
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LNCS |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
Admin @ si @ AlT2008 |
Serial |
1100 |
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| Author |
David Geronimo; Angel Sappa; Antonio Lopez |
| Title |
Stereo-based Candidate Generation for Pedestrian Protection Systems |
Type |
Book Chapter |
| Year |
2010 |
Publication |
Binocular Vision: Development, Depth Perception and Disorders |
Abbreviated Journal |
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| Volume |
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Issue |
9 |
Pages |
189–208 |
| Keywords |
Pedestrian Detection |
| Abstract |
This chapter describes a stereo-based algorithm that provides candidate image windows to a latter 2D classification stage in an on-board pedestrian detection system. The proposed algorithm, which consists of three stages, is based on the use of both stereo imaging and scene prior knowledge (i.e., pedestrians are on the ground) to reduce the candidate searching space. First, a successful road surface fitting algorithm provides estimates on the relative ground-camera pose. This stage directs the search toward the road area thus avoiding irrelevant regions like the sky. Then, three different schemes are used to scan the estimated road surface with pedestrian-sized windows: (a) uniformly distributed through the road surface (3D); (b) uniformly distributed through the image (2D); (c) not uniformly distributed but according to a quadratic function (combined 2D-3D). Finally, the set of candidate windows is reduced by analyzing their 3D content. Experimental results of the proposed algorithm, together with statistics of searching space reduction are provided. |
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| Publisher |
NOVA Publishers |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ GSL2010 |
Serial |
1301 |
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| Author |
Juan Andrade; T. Alejandra Vidal; A. Sanfeliu |
| Title |
Stochastic state estimation for simultaneous localization and map building in mobile robotics |
Type |
Book Chapter |
| Year |
2005 |
Publication |
Vedran Kordic, Aleksandar Lazinica, and Munir Merdan (Eds.), Cutting Edge Robotics, Advanced Robotic Systems Press, 3.3:223–242 |
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Approved |
no |
| Call Number |
Admin @ si @ AVS2005a |
Serial |
565 |
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| Author |
Sergio Escalera; Oriol Pujol; Petia Radeva |
| Title |
Sub-Class Error-Correcting Output Codes |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Computer Vision Systems. 6th International Conference |
Abbreviated Journal |
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| Volume |
5008 |
Issue |
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Pages |
494–504 |
| Keywords |
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| Abstract |
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| Address |
Santorini (Greece) |
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Conference |
ICVS |
| Notes |
MILAB;HuPBA |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ EPR2008c |
Serial |
963 |
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| Author |
Fadi Dornaika; Bogdan Raducanu |
| Title |
Subtle Facial Expression Recognition in Still Images and Videos |
Type |
Book Chapter |
| Year |
2011 |
Publication |
Advances in Face Image Analysis: Techniques and Technologies |
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Issue |
14 |
Pages |
259-277 |
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| Abstract |
This chapter addresses the recognition of basic facial expressions. It has three main contributions. First, the authors introduce a view- and texture independent schemes that exploits facial action parameters estimated by an appearance-based 3D face tracker. they represent the learned facial actions associated with different facial expressions by time series. Two dynamic recognition schemes are proposed: (1) the first is based on conditional predictive models and on an analysis-synthesis scheme, and (2) the second is based on examples allowing straightforward use of machine learning approaches. Second, the authors propose an efficient recognition scheme based on the detection of keyframes in videos. Third, the authors compare the dynamic scheme with a static one based on analyzing individual snapshots and show that in general the former performs better than the latter. The authors then provide evaluations of performance using Linear Discriminant Analysis (LDA), Non parametric Discriminant Analysis (NDA), and Support Vector Machines (SVM). |
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IGI-Global |
Place of Publication |
New York, USA |
Editor |
Yu-Jin Zhang |
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ISBN |
978-1-6152-0991-0 |
Medium |
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| Notes |
OR;MV |
Approved |
no |
| Call Number |
Admin @ si @ DoR2011 |
Serial |
1751 |
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| Author |
Misael Rosales; Petia Radeva; Oriol Rodriguez; Debora Gil |
| Title |
Suppression of IVUS Image Rotation. A Kinematic Approach |
Type |
Book Chapter |
| Year |
2005 |
Publication |
Functional Imaging and Modeling of the Heart |
Abbreviated Journal |
LNCS |
| Volume |
3504 |
Issue |
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Pages |
889-892 |
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| Abstract |
IntraVascular Ultrasound (IVUS) is an exploratory technique used in interventional procedures that shows cross section images of arteries and provides qualitative information about the causes and severity of the arterial lumen narrowing. Cross section analysis as well as visualization of plaque extension in a vessel segment during the catheter imaging pullback are the technique main advantages. However, IVUS sequence exhibits a periodic rotation artifact that makes difficult the longitudinal lesion inspection and hinders any segmentation algorithm. In this paper we propose a new kinematic method to estimate and remove the image rotation of IVUS images sequences. Results on several IVUS sequences show good results and prompt some of the clinical applications to vessel dynamics study, and relation to vessel pathology. |
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Springer Berlin / Heidelberg |
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Editor |
Frangi, Alejandro and Radeva, Petia and Santos, Andres and Hernandez, Monica |
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Series Title |
Lecture Notes in Computer Science |
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LNCS |
| Series Volume |
3504 |
Series Issue |
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Edition |
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| Notes |
IAM;MILAB |
Approved |
no |
| Call Number |
IAM @ iam @ RRR2005 |
Serial |
1645 |
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| Author |
Angel Sappa; Niki Aifanti; Sotiris Malassiotis; N. Grammalidis |
| Title |
Survey of 3D Human Body Representations |
Type |
Book Chapter |
| Year |
2005 |
Publication |
Encyclopedia of Information Science and Technology, 1(5):2696–2701 |
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Approved |
no |
| Call Number |
ADAS @ adas @ SAM2005a |
Serial |
497 |
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| Author |
Josep Llados; Ernest Valveny; Enric Marti |
| Title |
Symbol Recognition in Document Image Analysis: Methods and Challenges |
Type |
Book Chapter |
| Year |
2000 |
Publication |
Recent Research Developments in Pattern Recognition, Transworld Research Network, |
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1 |
Issue |
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Pages |
151–178. |
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ISBN |
81-86846-61-1 |
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| Notes |
DAG;IAM |
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no |
| Call Number |
IAM @ iam @ LVM2000 |
Serial |
1575 |
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