| Records |
| Author |
David Lloret; Joan Serrat |
| Title |
System for calibration of a stereotatic frame. |
Type |
Miscellaneous |
| Year |
1999 |
Publication  |
Proceeding of the VIII Symposium Nacional de Reconocimiento de Formas y Analisis de Imagenes |
Abbreviated Journal |
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| Address |
Bilbao |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ LlS1999 |
Serial |
20 |
| Permanent link to this record |
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| |
| Author |
Ramon Baldrich; Ricardo Toledo; Ernest Valveny; Maria Vanrell |
| Title |
Perceptual Colour Image Segmentation. |
Type |
Miscellaneous |
| Year |
2002 |
Publication |
Proceeding of the Second IASTED International Conference Visualization, Imaging and Image Proceesing VIIP 2002: 145–150. |
Abbreviated Journal |
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Medium |
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Expedition |
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Conference |
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| Notes |
DAG;CIC;ADAS |
Approved |
no |
| Call Number |
CAT @ cat @ BTV2002 |
Serial |
290 |
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| |
| Author |
Ernest Valveny; Ricardo Toledo; Ramon Baldrich; Enric Marti |
| Title |
Combining recognition-based in segmentation-based approaches for graphic symol recognition using deformable template matching |
Type |
Conference Article |
| Year |
2002 |
Publication |
Proceeding of the Second IASTED International Conference Visualization, Imaging and Image Proceesing VIIP 2002 |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
502–507 |
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Medium |
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Expedition |
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Conference |
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| Notes |
DAG;RV;CAT;IAM;CIC;ADAS |
Approved |
no |
| Call Number |
IAM @ iam @ VTB2002 |
Serial |
1660 |
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| Author |
V. Valev; Petia Radeva |
| Title |
Determining structural descriptions by boolean formulas advances in structural and syntactic Pattern Recognition. |
Type |
Miscellaneous |
| Year |
1992 |
Publication |
Proceeding of the International Workshop on Structural and Syntactic Pattern Recognition. Ed. Bunke, World Scientific Pub. |
Abbreviated Journal |
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| Notes |
MILAB |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ VaR1992a |
Serial |
251 |
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| |
| Author |
J.M. Sanchez; X. Binefa; J.R. Kender |
| Title |
Coupled Markox Chains for Video Contents Characterization. |
Type |
Miscellaneous |
| Year |
2002 |
Publication |
Proceeding of the International Conference on Pattern Recognition ICPR 2002 |
Abbreviated Journal |
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Issue |
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Pages |
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Expedition |
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Conference |
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| Notes |
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Approved |
no |
| Call Number |
Admin @ si @ SBK2002a |
Serial |
298 |
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| |
| Author |
J.M. Sanchez; X. Binefa; J.R. Kender |
| Title |
Multiple Feature Temporal Models for Object Detection in Video. |
Type |
Miscellaneous |
| Year |
2002 |
Publication |
Proceeding of the International Conference on Multimedia and Expo ICME 2002 |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
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| Abstract |
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| Address |
Lausanne |
| Corporate Author |
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Thesis |
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Place of Publication |
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Editor |
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Original Title |
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Series Title |
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Edition |
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Expedition |
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Conference |
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| Notes |
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Approved |
no |
| Call Number |
Admin @ si @ SBK2002b |
Serial |
299 |
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| Author |
Josep Llados; Enric Marti; Jaime Lopez-Krahe |
| Title |
A Hough-based method for hatched pattern detection in maps and diagrams |
Type |
Conference Article |
| Year |
1999 |
Publication |
Proceeding of the Fifth Int. Conf. Document Analysis and Recognition ICDAR ’99 |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
479-482 |
| Keywords |
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| Abstract |
A hatched area is characterized by a set of parallel straight lines placed at regular intervals. In this paper, a Hough-based schema is introduced to recognize hatched areas in technical documents from attributed graph structures representing the document once it has been vectorized. Defining a Hough-based transform from a graph instead of the raster image allows to drastically reduce the processing time and, second, to obtain more reliable results because straight lines have already been detected in the vectorization step. A second advantage of the proposed method is that no assumptions must be made a priori about the slope and frequency of hatching patterns, but they are computed in run time for each hatched area. |
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Expedition |
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Conference |
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| Notes |
DAG;IAM; |
Approved |
no |
| Call Number |
IAM @ iam @ LIM1999b |
Serial |
1580 |
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| |
| Author |
Joel Barajas; Jaume Garcia; Francesc Carreras; Sandra Pujades; Petia Radeva |
| Title |
Angle Images Using Gabor Filters in Cardiac Tagged MRI |
Type |
Conference Article |
| Year |
2005 |
Publication |
Proceeding of the 2005 conference on Artificial Intelligence Research and Development |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
107-114 |
| Keywords |
Angle Images, Gabor Filters, Harp, Tagged Mri |
| Abstract |
Tagged Magnetic Resonance Imaging (MRI) is a non-invasive technique used to examine cardiac deformation in vivo. An Angle Image is a representation of a Tagged MRI which recovers the relative position of the tissue respect to the distorted tags. Thus cardiac deformation can be estimated. This paper describes a new approach to generate Angle Images using a bank of Gabor filters in short axis cardiac Tagged MRI. Our method improves the Angle Images obtained by global techniques, like HARP, with a local frequency analysis. We propose to use the phase response of a combination of a Gabor filters bank, and use it to find a more precise deformation of the left ventricle. We demonstrate the accuracy of our method over HARP by several experimental results. |
| Address |
Amsterdam; The Netherlands |
| Corporate Author |
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Thesis |
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| Publisher |
IOS Press |
Place of Publication |
Amsterdam, The Netherlands |
Editor |
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Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Series Issue |
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Edition |
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ISBN |
1-58603-560-6 |
Medium |
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Expedition |
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Conference |
CAIRD |
| Notes |
IAM;MILAB |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ BGC2005; IAM @ iam |
Serial |
595 |
| Permanent link to this record |
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| Author |
Aura Hernandez-Sabate; Debora Gil; Petia Radeva |
| Title |
On the usefulness of supervised learning for vessel border detection in IntraVascular Imaging |
Type |
Conference Article |
| Year |
2005 |
Publication |
Proceeding of the 2005 conference on Artificial Intelligence Research and Development |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
67-74 |
| Keywords |
classification; vessel border modelling; IVUS |
| Abstract |
IntraVascular UltraSound (IVUS) imaging is a useful tool in diagnosis of cardiac diseases since sequences completely show the morphology of coronary vessels. Vessel borders detection, especially the external adventitia layer, plays a central role in morphological measures and, thus, their segmentation feeds development of medical imaging techniques. Deterministic approaches fail to yield optimal results due to the large amount of IVUS artifacts and vessel borders descriptors. We propose using classification techniques to learn the set of descriptors and parameters that best detect vessel borders. Statistical hypothesis test on the error between automated detections and manually traced borders by 4 experts show that our detections keep within inter-observer variability. |
| Address |
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| Corporate Author |
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Thesis |
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| Publisher |
IOS Press |
Place of Publication |
Amsterdam, The Netherlands |
Editor |
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Summary Language |
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Original Title |
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Series Title |
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Edition |
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Medium |
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Expedition |
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Conference |
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| Notes |
IAM;MILAB |
Approved |
no |
| Call Number |
IAM @ iam @ HGR2005c |
Serial |
1549 |
| Permanent link to this record |
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| |
| Author |
Aura Hernandez-Sabate; Debora Gil; J. Mauri; Petia Radeva |
| Title |
Reducing cardiac motion in IVUS sequences |
Type |
Conference Article |
| Year |
2006 |
Publication |
Proceeding of Computers in Cardiology |
Abbreviated Journal |
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| Volume |
33 |
Issue |
|
Pages |
685-688 |
| Keywords |
|
| Abstract |
Cardiac vessel displacement is a main artifact in IVUS sequences. It hinders visualization of the main structures in an appropriate orientation and alignment and affects extracting vessel measurements. In this paper, we present a novel approach for image sequence alignment based on spectral analysis, which removes rigid dynamics, preserving at the same time the vessel geometry. First, we suppress the translation by taking, for each frame, the center of mass of the image as origin of coordinates. In polar coordinates with such point as origin, the rotation appears as a horizontal displacement. The translation induces a phase shift in the Fourier coefficients of two consecutive polar images. We estimate the phase by adjusting a regression plane to the phases of the principal frequencies. Experiments show that the presented strategy suppress cardiac motion regardless of the acquisition device. 1. |
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Edition |
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ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
IAM; MILAB |
Approved |
no |
| Call Number |
IAM @ iam @ HGM2006a |
Serial |
1554 |
| Permanent link to this record |
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| |
| Author |
Jose Luis Alba; A. Pujol; Juan J. Villanueva |
| Title |
Separating Geometry from Texture to Improve Face Analysis. |
Type |
Miscellaneous |
| Year |
2001 |
Publication |
Proceeding ICIP 2001, IEEE International Conference on Image Processing, 2:673–676 |
Abbreviated Journal |
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| Address |
Grecia |
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| Notes |
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Approved |
no |
| Call Number |
ISE @ ise @ APV2001c |
Serial |
71 |
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| Author |
Maria Vanrell; Felipe Lumbreras; A. Pujol; Ramon Baldrich; Josep Llados; Juan J. Villanueva |
| Title |
Colour Normalisation Based on Background Information. |
Type |
Miscellaneous |
| Year |
2001 |
Publication |
Proceeding ICIP 2001, IEEE International Conference on Image Processing |
Abbreviated Journal |
ICIP 2001 |
| Volume |
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Issue |
1 |
Pages |
874–877 |
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| Address |
Grecia. |
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Edition |
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Expedition |
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Conference |
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| Notes |
ADAS;DAG;CIC |
Approved |
no |
| Call Number |
ADAS @ adas @ VLP2001 |
Serial |
167 |
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| Author |
Robert Benavente; Laura Igual; Fernando Vilariño |
| Title |
Current Challenges in Computer Vision |
Type |
Book Whole |
| Year |
2008 |
Publication |
Proccedings of the Third Internal Workshop |
Abbreviated Journal |
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Issue |
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Edition |
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ISBN |
978-84-936529-0-6 |
Medium |
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Conference |
CVCRD |
| Notes |
MILAB;CIC;SIAI |
Approved |
no |
| Call Number |
BCNPCL @ bcnpcl @ BIV2008 |
Serial |
1110 |
| Permanent link to this record |
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| Author |
Ernest Valveny; Enric Marti |
| Title |
Learning of structural descriptions of graphic symbols using deformable template matching |
Type |
Conference Article |
| Year |
2001 |
Publication |
Proc. Sixth Int Document Analysis and Recognition Conf |
Abbreviated Journal |
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Issue |
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Pages |
455-459 |
| Keywords |
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| Abstract |
Accurate symbol recognition in graphic documents needs an accurate representation of the symbols to be recognized. If structural approaches are used for recognition, symbols have to be described in terms of their shape, using structural relationships among extracted features. Unlike statistical pattern recognition, in structural methods, symbols are usually manually defined from expertise knowledge, and not automatically infered from sample images. In this work we explain one approach to learn from examples a representative structural description of a symbol, thus providing better information about shape variability. The description of a symbol is based on a probabilistic model. It consists of a set of lines described by the mean and the variance of line parameters, respectively providing information about the model of the symbol, and its shape variability. The representation of each image in the sample set as a set of lines is achieved using deformable template matching. |
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| Notes |
DAG;IAM; |
Approved |
no |
| Call Number |
IAM @ iam @ VMA2001 |
Serial |
1654 |
| Permanent link to this record |
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| Author |
J. Weickert; Bart M. Ter Haar Romeny; Antonio Lopez; W. Van Enk |
| Title |
Orientation Analysis by Coherence-Enhancing Diffusion. |
Type |
Miscellaneous |
| Year |
1997 |
Publication |
Proc. of the Real World Computing Symposium. |
Abbreviated Journal |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ WTL1997 |
Serial |
211 |
| Permanent link to this record |
