| Records |
| Author |
Joan Serrat; Ferran Diego; Felipe Lumbreras; Jose Manuel Alvarez; Antonio Lopez; C. Elvira |
| Title |
Dynamic Comparison of Headlights |
Type |
Journal Article |
| Year |
2008 |
Publication |
Journal of Automobile Engineering |
Abbreviated Journal |
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| Volume |
222 |
Issue |
5 |
Pages |
643–656 |
| Keywords |
video alignment |
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ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ SDL2008a |
Serial |
958 |
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| Author |
Rozenn Dhayot; Fernando Vilariño; Gerard Lacey |
| Title |
Improving the Quality of Color Colonoscopy Videos |
Type |
Journal Article |
| Year |
2008 |
Publication |
EURASIP Journal on Image and Video Processing |
Abbreviated Journal |
EURASIP JIVP |
| Volume |
139429 |
Issue |
1 |
Pages |
1-9 |
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800 |
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| Notes |
MV;SIAI |
Approved |
no |
| Call Number |
fernando @ fernando @ |
Serial |
2422 |
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| Author |
Aura Hernandez-Sabate; David Rotger; Debora Gil |
| Title |
Image-based ECG sampling of IVUS sequences |
Type |
Conference Article |
| Year |
2008 |
Publication |
Proc. IEEE Ultrasonics Symp. IUS 2008 |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
1330-1333 |
| Keywords |
Longitudinal Motion; Image-based ECG-gating; Fourier analysis |
| Abstract |
Longitudinal motion artifacts in IntraVascular UltraSound (IVUS) sequences hinders a properly 3D reconstruction and vessel measurements. Most of current techniques base on the ECG signal to obtain a gated pullback without the longitudinal artifact by using a specific hardware or the ECG signal itself. The potential of IVUS images processing for phase retrieval still remains little explored. In this paper, we present a fast forward image-based algorithm to approach ECG sampling. Inspired on the fact that maximum and minimum lumen areas are related to end-systole and end-diastole, our cardiac phase retrieval is based on the analysis of tissue density of mass along the sequence. The comparison between automatic and manual phase retrieval (0.07 ± 0.07 mm. of error) encourages a deep validation contrasting with ECG signals. |
| Address |
Beijing (China) |
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| Notes |
IAM;MILAB |
Approved |
no |
| Call Number |
IAM @ iam @ HRG2008 |
Serial |
1553 |
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| Author |
Debora Gil; Oriol Rodriguez-Leor; Petia Radeva; J. Mauri |
| Title |
Myocardial Perfusion Characterization From Contrast Angiography Spectral Distribution |
Type |
Journal Article |
| Year |
2008 |
Publication |
IEEE Transactions on Medical Imaging |
Abbreviated Journal |
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| Volume |
27 |
Issue |
5 |
Pages |
641-649 |
| Keywords |
Contrast angiography; myocardial perfusion; spectral analysis. |
| Abstract |
Despite recovering a normal coronary flow after acute myocardial infarction, percutaneous coronary intervention does not guarantee a proper perfusion (irrigation) of the infarcted area. This damage in microcirculation integrity may detrimentally affect the patient survival. Visual assessment of the myocardium opacification in contrast angiography serves to define a subjective score of the microcirculation integrity myocardial blush analysis (MBA). Although MBA correlates with patient prognosis its visual assessment is a very difficult task that requires of a highly expertise training in order to achieve a good intraobserver and interobserver agreement. In this paper, we provide objective descriptors of the myocardium staining pattern by analyzing the spectrum of the image local statistics. The descriptors proposed discriminate among the different phenomena observed in the angiographic sequence and allow defining an objective score of the myocardial perfusion. |
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| Notes |
IAM;MILAB |
Approved |
no |
| Call Number |
IAM @ iam @ GRR2008 |
Serial |
1541 |
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| Author |
Sergio Escalera; Oriol Pujol; Eric Laciar; Jordi Vitria; Esther Pueyo; Petia Radeva |
| Title |
Coronary Damage Classification of Patients with the Chagas Disease with Error-Correcting Output Codes |
Type |
Conference Article |
| Year |
2008 |
Publication |
Intelligent Systems, 4th International IEEE Conference, 6–8 setembre 2008. |
Abbreviated Journal |
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| Volume |
2 |
Issue |
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Pages |
12–17 |
| Keywords |
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| Abstract |
The Chagaspsila disease is endemic in all Latin America, affecting millions of people in the continent. In order to diagnose and treat the Chagaspsila disease, it is important to detect and measure the coronary damage of the patient. In this paper, we analyze and categorize patients into different groups based on the coronary damage produced by the disease. Based on the features of the heart cycle extracted using high resolution ECG, a multi-class scheme of error-correcting output codes (ECOC) is formulated and successfully applied. The results show that the proposed scheme obtains significant performance improvements compared to previous works and state-of-the-art ECOC designs. |
| Address |
Varna (Bulgaria) |
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Conference |
IS’08 |
| Notes |
MILAB; OR;HuPBA;MV |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ EPL2008 |
Serial |
1042 |
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| Author |
Jaume Garcia; Francesc Carreras; Sandra Pujades; Debora Gil |
| Title |
Regional motion patterns for the Left Ventricle function assessment |
Type |
Conference Article |
| Year |
2008 |
Publication |
Proc. 19th Int. Conf. Pattern Recognition ICPR 2008 |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
1-4 |
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| Abstract |
Regional scores (e.g. strain, perfusion) of the Left Ventricle (LV) functionality are playing an increasing role in the diagnosis of cardiac diseases. A main limitation is the lack of normality models for complementary scores oriented to assessment of the LV integrity. This paper introduces an original framework based on a parametrization of the LV domain, which allows comparison across subjects of local physiological measures of different nature. We compute regional normality patterns in a feature space characterizing the LV function. We show the consistency of the model for the regional motion on healthy and hypokinetic pathological cases |
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IAM |
Approved |
no |
| Call Number |
IAM @ iam @ GCP2008 |
Serial |
1510 |
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| Author |
Ariel Amato; Mikhail Mozerov; Ivan Huerta; Jordi Gonzalez; Juan J. Villanueva |
| Title |
ackground Subtraction Technique Based on Chromaticity and Intensity Patterns |
Type |
Conference Article |
| Year |
2008 |
Publication |
19th International Conference on Pattern Recognition, |
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| Volume |
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Issue |
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Pages |
1–4 |
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| Address |
Tampa (Florida) |
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ICPR |
| Notes |
ISE |
Approved |
no |
| Call Number |
ISE @ ise @ AMH2008 |
Serial |
1071 |
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| Author |
Salvatore Tabbone; Oriol Ramos Terrades; S. Barrat |
| Title |
Histogram of radon transform. A useful descriptor for shape retrieval |
Type |
Conference Article |
| Year |
2008 |
Publication |
19th International Conference on Pattern Recognition |
Abbreviated Journal |
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Issue |
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Pages |
1-4 |
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| Address |
Tampa, Florida |
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ICPR |
| Notes |
DAG |
Approved |
no |
| Call Number |
Admin @ si @ TRB2008 |
Serial |
1876 |
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| Author |
Murad Al Haj; Francisco Javier Orozco; Jordi Gonzalez; Juan J. Villanueva |
| Title |
Automatic Face and Facial Features Initialization for Robust and Accurate Tracking |
Type |
Conference Article |
| Year |
2008 |
Publication |
19th International Conference on Pattern Recognition. |
Abbreviated Journal |
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Issue |
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Pages |
1– 4 |
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| Address |
Tampa (Florida) |
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ICPR |
| Notes |
ISE |
Approved |
no |
| Call Number |
ISE @ ise @ AOG2008 |
Serial |
1072 |
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| Author |
Partha Pratim Roy; Umapada Pal; Josep Llados; F. Kimura |
| Title |
Convex Hull based Approach for Multi-oriented Character Recognition form Graphical Documents |
Type |
Conference Article |
| Year |
2008 |
Publication |
19th International Conference on Pattern Recognition |
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Tampa (Florida) |
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ICPR |
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DAG |
Approved |
no |
| Call Number |
DAG @ dag @ RPL2008d |
Serial |
1073 |
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| Author |
Miquel Ferrer; Ernest Valveny; F. Serratosa; K. Riesen; Horst Bunke |
| Title |
An Approximate Algorith for Median Graph Computation using Graph Embedding |
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Conference Article |
| Year |
2008 |
Publication |
19th International Conference on Pattern Recognition. |
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Tampa, USA |
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ICPR |
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DAG |
Approved |
no |
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DAG @ dag @ FVS2008a |
Serial |
1064 |
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| Author |
H. Chouaib; Oriol Ramos Terrades; Salvatore Tabbone; F. Cloppet; N. Vincent |
| Title |
Feature Selection Combining Genetic Algorithm and Adaboost Classifiers |
Type |
Conference Article |
| Year |
2008 |
Publication |
19th International Conference on Pattern Recognition |
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1-4 |
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Tampa, Florida |
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ICPR |
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DAG |
Approved |
no |
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Admin @ si @ CRT2008 |
Serial |
1872 |
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| Author |
Jose Antonio Rodriguez; Florent Perronnin; Gemma Sanchez; Josep Llados |
| Title |
Unsupervised writer style adaptation for handwritten word spotting |
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Conference Article |
| Year |
2008 |
Publication |
Pattern Recognition. 19th International Conference on, IBM Best Student Paper Award. |
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Tampa, USA |
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ICPR |
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DAG |
Approved |
no |
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DAG @ dag @ RPS2008 |
Serial |
1077 |
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| Author |
Dimosthenis Karatzas; Marçal Rusiñol; Coen Antens; Miquel Ferrer |
| Title |
Segmentation Robust to the Vignette Effect for Machine Vision Systems |
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Conference Article |
| Year |
2008 |
Publication |
19th International Conference on Pattern Recognition |
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The vignette effect (radial fall-off) is commonly encountered in images obtained through certain image acquisition setups and can seriously hinder automatic analysis processes. In this paper we present a fast and efficient method for dealing with vignetting in the context of object segmentation in an existing industrial inspection setup. The vignette effect is modelled here as a circular, non-linear gradient. The method estimates the gradient parameters and employs them to perform segmentation. Segmentation results on a variety of images indicate that the presented method is able to successfully tackle the vignette effect. |
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Tampa, USA |
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ICPR |
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DAG |
Approved |
no |
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DAG @ dag @ KRA2008 |
Serial |
1065 |
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| Author |
Sergio Escalera; Oriol Pujol; J. Mauri; Petia Radeva |
| Title |
IVUS Tissue Characterization with Sub-class Error-correcting Output Codes |
Type |
Conference Article |
| Year |
2008 |
Publication |
Computer Vision and Pattern Recognition Workshops, 2008. CVPR Workshops 2008. IEEE Computer Society Conference on, pp. 1–8, 23–28 juny 2008. |
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Intravascular ultrasound (IVUS) represents a powerful imaging technique to explore coronary vessels and to study their morphology and histologic properties. In this paper, we characterize different tissues based on Radio Frequency, texture-based, slope-based, and combined features. To deal with the classification of multiple tissues, we require the use of robust multi-class learning techniques. In this context, we propose a strategy to model multi-class classification tasks using sub-classes information in the ECOC framework. The new strategy splits the classes into different subsets according to the applied base classifier. Complex IVUS data sets containing overlapping data are learnt by splitting the original set of classes into sub-classes, and embedding the binary problems in a problem-dependent ECOC design. The method automatically characterizes different tissues, showing performance improvements over the state-of-the-art ECOC techniques for different base classifiers and feature sets. |
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CVPR |
| Notes |
MILAB;HuPBA |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ EPM2008 |
Serial |
1041 |
| Permanent link to this record |
