| Records |
| 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 |
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| Publisher |
IOS Press |
Place of Publication |
Amsterdam, The Netherlands |
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1-58603-560-6 |
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Conference |
CAIRD |
| Notes |
IAM;MILAB |
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no |
Call Number  |
BCNPCL @ bcnpcl @ BGC2005; IAM @ iam |
Serial |
595 |
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| Author |
Simone Balocco; Carlo Gatta; Oriol Pujol; J. Mauri; Petia Radeva |
| Title |
SRBF: Speckle Reducing Bilateral Filtering |
Type |
Journal Article |
| Year |
2010 |
Publication |
Ultrasound in Medicine and Biology |
Abbreviated Journal |
UMB |
| Volume |
36 |
Issue |
8 |
Pages |
1353-1363 |
| Keywords |
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| Abstract |
Speckle noise negatively affects medical ultrasound image shape interpretation and boundary detection. Speckle removal filters are widely used to selectively remove speckle noise without destroying important image features to enhance object boundaries. In this article, a fully automatic bilateral filter tailored to ultrasound images is proposed. The edge preservation property is obtained by embedding noise statistics in the filter framework. Consequently, the filter is able to tackle the multiplicative behavior modulating the smoothing strength with respect to local statistics. The in silico experiments clearly showed that the speckle reducing bilateral filter (SRBF) has superior performances to most of the state of the art filtering methods. The filter is tested on 50 in vivo US images and its influence on a segmentation task is quantified. The results using SRBF filtered data sets show a superior performance to using oriented anisotropic diffusion filtered images. This improvement is due to the adaptive support of SRBF and the embedded noise statistics, yielding a more homogeneous smoothing. SRBF results in a fully automatic, fast and flexible algorithm potentially suitable in wide ranges of speckle noise sizes, for different medical applications (IVUS, B-mode, 3-D matrix array US). |
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MILAB;HUPBA |
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| Call Number |
BCNPCL @ bcnpcl @ BGP2010 |
Serial |
1314 |
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| Author |
M. Bressan; David Guillamet; Jordi Vitria |
| Title |
Using an ICA representation of local color histograms for object recognition. |
Type |
Miscellaneous |
| Year |
2000 |
Publication |
Butlleti de l´ ACIA, 22:300–307. |
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OR;MV |
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BCNPCL @ bcnpcl @ BGV2000 |
Serial |
338 |
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| Author |
M. Bressan; David Guillamet; Jordi Vitria |
| Title |
Using a local ICA Representation of High Dimensional Data for Object Recognition and Classification. |
Type |
Miscellaneous |
| Year |
2001 |
Publication |
Proceedings of the IEEE International Conference on Computer Vision and Pattern Recognition (CVPR). |
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Hawaii |
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OR;MV |
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no |
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BCNPCL @ bcnpcl @ BGV2001 |
Serial |
75 |
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| Author |
M. Bressan; David Guillamet; Jordi Vitria |
| Title |
Using an ICA Representation of Local Color Histograms for Object Recognition |
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Journal |
| Year |
2003 |
Publication |
Pattern Recognition, 36(3):691–701 (IF: 1.611) |
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OR;MV |
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BCNPCL @ bcnpcl @ BGV2003 |
Serial |
365 |
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| Author |
M. Bressan; David Guillamet; Jordi Vitria |
| Title |
Multiclass Object Recognition using Class-Conditional Independent Component Analisis |
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Journal |
| Year |
2004 |
Publication |
Cybernetics and Systems, 35/1:35–61 (IF: 0.768) |
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OR;MV |
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no |
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BCNPCL @ bcnpcl @ BGV2004 |
Serial |
442 |
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| Author |
X. Binefa; Jordi Vitria |
| Title |
A contrast based focusing criterium. |
Type |
Miscellaneous |
| Year |
1996 |
Publication |
IEEE International Conference on Pattern Recognition. Vol. A, pp. 805–809 |
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OR;MV |
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no |
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BCNPCL @ bcnpcl @ BiV1996 |
Serial |
79 |
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| Author |
Robert Benavente; Laura Igual; Fernando Vilariño |
| Title |
Current Challenges in Computer Vision |
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Book Whole |
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2008 |
Publication |
Proccedings of the Third Internal Workshop |
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978-84-936529-0-6 |
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CVCRD |
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MILAB;CIC;SIAI |
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no |
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BCNPCL @ bcnpcl @ BIV2008 |
Serial |
1110 |
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| Author |
Ellen J.L. Brunenberg; Oriol Pujol; Bart M. Ter Haar Romeny; Petia Radeva |
| Title |
Automatic IVUS Segmentation of Atherosclerotic Plaque with Stop & Go Snake |
Type |
Miscellaneous |
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2006 |
Publication |
9th International Conference on Medical Image Computing and Computer–Assisted Intervention (MICCAI´06), 9–16 |
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Copenhagen (Denmark) |
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MILAB;HuPBA |
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no |
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BCNPCL @ bcnpcl @ BPT2006 |
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767 |
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| Author |
X. Binefa; Petia Radeva; J.A. Cortijo; J. Garcia |
| Title |
Contour detection and color influence in defocused environtments. |
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Miscellaneous |
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1998 |
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MILAB |
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no |
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BCNPCL @ bcnpcl @ BRC1998 |
Serial |
28 |
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| Author |
X. Binefa; J.M. Sanchez; Petia Radeva; Jordi Vitria |
| Title |
Linking Visual Cues and Semantic Terms Under Specific Digital Video Domains. |
Type |
Miscellaneous |
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2000 |
Publication |
Journal of Visual Languages and Computing, 11(3):253–271. |
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OR;MILAB;MV |
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no |
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BCNPCL @ bcnpcl @ BRS2000 |
Serial |
337 |
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| Author |
X. Binefa; Xavier Roca; Jordi Vitria |
| Title |
A Contrast Approach to Depth from Focus. |
Type |
Miscellaneous |
| Year |
1997 |
Publication |
VII Simposium Nacional de Reconocimiento de Formas y Analisis de Imagenes. |
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Barcelona |
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OR;ISE;MV |
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BCNPCL @ bcnpcl @ BRV1997 |
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63 |
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| Author |
M. Bressan; Jordi Vitria |
| Title |
Independent Component Analysis and Naïve Bayes Classification. |
Type |
Conference Article |
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2002 |
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Proceedings of the Second IASTED International Conference Visualilzation, Imaging and Image Proceesing VIIP 2002: 496–501. |
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OR;MV |
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BCNPCL @ bcnpcl @ BrV2002a |
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288 |
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| Author |
M. Bressan; Jordi Vitria |
| Title |
Feature Subset Selection in an ICA Space |
Type |
Miscellaneous |
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2002 |
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OR;MV |
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BCNPCL @ bcnpcl @ BrV2002b |
Serial |
277 |
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| Author |
M. Bressan; Jordi Vitria |
| Title |
Improving Naive Bayes using Class Conditional ICA |
Type |
Miscellaneous |
| Year |
2002 |
Publication |
F. Garijo, J. Riquelme, M. Toro, (Eds.), Advances in Artificial Intelligece–Iberamia, LNAI 2527: 1–10, Springer Verlag Series. |
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OR;MV |
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BCNPCL @ bcnpcl @ BrV2002d |
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278 |
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