THESES - “Scene Image
Classification and Segmentation with Quantized Local Descriptors and Latent
Aspect Modelling”, A thesis accepted for the degree of Doctor in Science,
Lausanne Federal Institute (EPFL), March 2007.
- “Analysis of
the Retinal Blood Vessel Structure: A Study Towards better Segmentation
Techniques”, dissertation accepted for the degree of Master by research in
image and X-ray physics, King's College London, September 2002.
- “Object
deformation analysis in image sequences”, dissertation accepted for the degree
of Electrical and computer’s engineer from the Faculty of Engineering of the
university of Porto, July 2001.
PAPERS IN INTERNATIONAL REFEREED
JOURNALS
- Tiago Esteves, Pedro Quelhas, Ana
Mendonça, Auréio Campilho, “Gradient convergence filters and a phase congruency
approach for in vivo cell nuclei detection”, Springer Berlin / Heidelberg, Machine Vision and Applications, Volume 23(4), pages 623-638, July 2012.
- Diana S Nascimento, Mariana Valente, Tiago
Esteves, Maria de Fátima de Pina, Joana Gusmao Guedes, Ana Freire, Pedro
Quelhas, Perpétua Pinto-do-Ó, "MIQuant - Semi-automation of Infarct Size
Assessment in Models of Cardiac Ischemic Injury”, PLoS ONE 6(9): e25045,
September, 2011.
- Luis Sanza, Walter Dewitte, Celine Forzani,
Farah Patell, Jeroen Nieuwland, Bo Wen, Pedro Quelhas, Sarah De Jager,
Craig Titmus, Aurélio Campilho, Hong Ren, Mark Estelle, Hong Wang and James
A.H. Murray, “The Arabidopsis D-Type Cyclin CYCD2;1 and the Inhibitor ICK2/KRP2
Modulate Auxin-Induced Lateral Root Formation”, The Plant Cell Online, Volume 23(2), pages 641-660, February
2011.
- Pedro Quelhas,
Monica Marcuzzo, Ana Maria Mendonça, Aurélio Campilho, “Cell nuclei and
cytoplasm joint segmentation using the Sliding Band Filter”, IEEE Transactions
on Medical Imaging, Volume 29, Number 8,
Pages 1463-1473, August 2010.
- Monica Marcuzzo, Pedro Quelhas, Ana Campilho, Ana
Maria Mendonça, and Aurélio Campilho. “Automated
Arabidopsis Plant Root Cell Segmentation Based on SVM Classification and Region
Merging”, Elsevier Computers in Biology and Medicine, Elsevier,
Volume 39(9), pages 785-793, September 2009.
- Florent Monay, Pedro Quelhas, Jean-Mark
Odobez, and Daniel Gatica-Perez “Contextual classification of image patches
with latent aspect models”, EURASIP Journal on Image and Video Processing,
number 3, January 2009.
-
Pedro Quelhas,
Florent Monay, Jean-Mark Odobez, and Daniel Gatica-Perez, “A thousand words in
a scene”, IEEE Transactions in Pattern Analysis and Machine Intelligence, Volume 29(9), pages 1575-1589, September 2007.
PAPERS IN INTERNATIONAL REFEREED CONFERENCE PROCEEDINGS
- Luis Ferro, Marco Marques, Pedro Leal, Susana Romao, Tania Cruz, Ana M.
Tomas, Helena Castro, Pedro Quelhas, "Automatic spectral unmixing
of Leishmania infection macrophage cell cultures image", Lecture Notes in
Computer Science Volume 7950 LNCS, pp.
621-629, 2013.
- Tiago Esteves, Maria José Oliveira,
and Pedro Quelhas, “Cancer cell detection and tracking based on local
interest point detectors”, Lecture Notes in Computer Science Volume 7950 LNCS, pp. 434-441, 2013.
- T. Esteves, M. J. Oliveira, P. Quelhas. “Cancer cell
detection and morphology analysis based on local interest point detectors”,
Lecture Notes in Computer Science Volume 7887 LNCS, pp. 624-631, 2013.
-
P. Quelhas, L. Ferro, P. Leal, M. Marques, J.
Maciel, M. Oliveira and M. A. Barbosa. “Multinuclear
cell analysis using Laplacian of Gaussians and Delaunay graphs”, Lecture Notes
in Computer Science Volume 7887 LNCS, pp. 441-449, 2013.
-
S. Bessa, P. Quelhas, I. F. Amaral. “Automatic
Quantification of Cell Outgrowth from Neurospheres”, Lecture Notes in Computer
Science Volume 7887 LNCS, pp. 141-148, 2013.
- Tiago Esteves, Maria José Oliveira, P.
Quelhas, "Cancer cell mobility analysis based on local interest point
detectors", In proceedings of Bioimaging 2013, Porto, 2013
-
Pedro Leal, Helena Castro, P.
Quelhas, "ParasiteAnalytics -
An ImageJ plugin for automatic Leishmania attack quantification", In
proceedings of Bioimaging 2013, Porto, 2013
- S. Bessa, I.F Amaral,P. Quelhas,
"Validation of a tool for quantifying cell outgrowth from neurospheres in
phase contrast microscopy images", In proceedings of Bioimaging 2013,
Porto, 2013
- Kuruvilla, J. Li, P. H. Yeomans, P. Quelhas,
N. Shaikh, A. Hoberman and J. Kovacevic, Ottitis media vocabulary and grammar,
In proceedings of ICIP 2012.
-
P. Leal, L. Ferro, M.
Marques, S. Romao, T. Cruz, A. M. Tomas, H. Castro, and P. Quelhas, Automatic assessment of Leishmania infection indexes on in vitro
macrophage cell cultures, Springer LNCS, Vol. 7325, pp 432-439, Proc. ICIAR,
2012.
- T. Esteves, M. Valente, D.
Nascimento, P. Pinto-do-Ó, and P. Quelhas, Automatic Myocardial Infarction Size Extraction in an Experimental Murine Model using an Anatomical
Model, IEEE International Symposium on Biomedical Imaging (ISBI), Barcelona,
May, 2012.
- Pedro
Quelhas, Jeroen Nieuwland, Walter Dewitte, Ana Maria
Mendonça, Jim Murray, and Aurélio Campilho,
“Arabidopsis Thaliana automatic cell file detection and cell length
estimation”, Springer LNCS, Volume 6754, Number 1, Part II, pp.1-11,
ICIAR 2011.
- Tiago
Esteves, Mariana Valente, Diana S. Nascimento, Perpétua Pinto-do-Ó, Pedro
Quelhas, “Automatic and semi-automatic analysis of the extension of
myocardial infarction in an experimental murine model”, Proceedings on
IbPRIA, LNCS 6669, pp:151-158, 2011.
- Yuxi
Chen, Pedro Quelhas, Aurélio Campilho,
“Low frame rate cell tracking: A Delaunay graph matching approach”, IEEE
International Symposium on Biomedical Imaging (ISBI) 2011, Chicago, USA.
- Pedro Quelhas, Ana Maria Mendonça,
Aurélio Campilho, “Optical flow based Arabidopsis Thaliana root meristem
cell division detection”, Proceedings of ICIAR 2010, LNCS Volume 6112,
pages 217-226, June 21-23, Póvoa de Varzim, Portugal.
- Pedro Quelhas, Ana Maria Mendonça,
Aurélio Campilho, "3D cell nuclei fluorescence quantification using
sliding band filter”, Proceedings of ICPR 2010, August 23-26, Istanbul,
Turkey.
- Pedro
Quelhas, Monica Marcuzzo, Maria José Oliveira, Ana
Maria Mendonça, Aurélio Campilho, “Cancer cell detection and invasion
depth estimation in brightfield images”, In proceedings of the British
Machine Vision Conference (BMVC), 7-10 September 2009.
- Monica
Marcuzzo, Pedro Quelhas, Ana Maria Mendonça, Aurélio Campilho,
“Evaluation of symmetry enhanced sliding band filter for plant cell nuclei
detection in low contrast noisy fluorescent images”, In Proceedings of the
International Conference on Image Analysis and Recognition (ICIAR 2009),
Springer LNCS 5627. July 6-8, 2009, Halifax, Canada.
- Monica
Marcuzzo, Tiago Guichard, Pedro Quelhas, Ana Maria Mendonça,
Aurélio Campilho, “Cell division detection on the Arabidopsis thaliana
root”, In Proceedings of the 4th Iberian Conference on Pattern Recognition
and Image Analysis (IbPRIA 2009), Springer LNCS 5524. June 10-12, 2009,
Póvoa de Varzim, Portugal.
- Monica
Marcuzzo, Pedro Quelhas, Ana Maria Mendonça, Aurélio Campilho,
“Tracking of Arabidopsis thaliana root cells in time-lapse microscopy”, In
proceedings of the International Conference on Pattern Recognition (ICPR
2008). December 8-11, 2008, Tampa, Florida, USA.
- Monica
Marcuzzo, Pedro Quelhas, Ana Campilho, Ana Maria Mendonça, Aurélio
Campilho, “A Hybrid Approach for Arabidopsis Root Cell Image
Segmentation”, In Proceedings of International Conference on Image
Analysis and Recognition (ICIAR 2008), June 25-27, 2008, Póvoa de Varzim,
Portugal.
- Monica
Marcuzzo, Pedro Quelhas, Ana Campilho, Ana Maria Mendonça, Aurélio
Campilho, “Automatic Cell Segmentation from Confocal Microscopy Images of
the Arabidopsis Root”, In 5th IEEE International Symposium on Biomedical
Imaging: From Nano to Macro, 2008 (ISBI 2008). May 14-17, 2008, Paris,
France. Pages:712 – 715.
- Pedro
Quelhas and Jean-Mark Odobez, “Multi-level local
descriptor quantization for Bag-of-Visterms image representation”,
Proceedings International Conference on Image and Video Retrieval (CIVR)
2007.
- Pedro
Quelhas, and Jean-Marc Odobez, “Natural Scene Image
Modelling using Colour and Texture Visterms”, Proceedings International
Conference on Image and Video Retrieval (CIVR) 2006.
- Kevin
Smith, Pedro Quelhas, and Daniel Gatica-Perez, “Detecting Abandoned
Luggage Items in a Public Space”, PETS 2006 workshop in conjunction with
CVPR 2006, New York, June 2006.
- Florent
Monay, Pedro Quelhas, Daniel Gatica-Perez, and Jean-Marc Odobez,
“Integrating co-occurrence and spatial contexts on patch-based scene
segmentation”, Beyond Patches Workshop in conjunction with CVPR 2006, New
York, June 2006.
- Florent
Monay, Pedro Quelhas, Daniel Gatica-Perez, and Jean-Marc Odobez,
“Constructing visual models with a latent space approach”, Presented in
Statistical and Optimization perspectives Workshop (SLSFS), Slovenia.
Published in The Springer series of Lecture Notes in Computer Science,
LNCS Volume 3940, 2006.
COMMUNICATIONS
ORAL COMMUNICATIONS BY INVITATION
- Pedro Quelhas, “Local interest point detectors for cell detection in digital microscopy images”, International workshop on Image Analysis Methods in the Plant Sciences, 6th September, Nottingham, UK.
- Pedro Quelhas, “Gradient Convergence Filters for Cell Detection in Microscopy Images”, CMU 7th BioImaging day, 16th of February 2011.
- Pedro Quelhas, Invited talk entitled “Methods for detection and analysis of cells in microscopy images”, within the IBMS-INEB Friday noon talks cycle, July 2008.
- Pedro Quelhas, “Cell Nuclei Segmentation and Classification for Cancer Diagnosis” invited talk entitled for the Medical Image Processing class of the Masters in Medical Informatics from the Sciences Faculty of the University of Porto, May 2008.
- Pedro Quelhas, "Image classification with quantized local descriptors and latent aspect modeling", University of Aveiro, September 2007.
POSTER COMMUNICATIONS
- Pedro Leal, Susana Romao, Tania Cruz, Ana M. Tomas, Helena Castro, Pedro Quelhas, "Automatic image spectral unmixing of Leishmania infection macrophage cell culture for improves enfection indexex acessing", RECPAD 2013, Lisboa, 2013.
- Tiago Esteves, Maria José Oliveira, and Pedro Quelhas, "Cancer cell tracking using a Kalman filter" , RECPAD 2013, Lisboa, 2013.
- aMIQuant - automatic myocardial infarct size quantification through anatomical model adaptation, T. Esteves, A.M. Araújo, M. Valente, P. Pinto-do-Ó, D.S. Nascimento, P. Quelhas, TERMIS 2013, Istanbul.
- Automatic image analysis quantification of cell outgrowth from neurospheres, S. Bessa, I. F. Amaral, P. Quelhas, TERMIS 2013, Istanbul.
- Tiago Esteves, Maria José Oliveira, P. Quelhas, "Cancer cell mobility analysis based on local interest point detectors", In proceedings of Bioimaging 2013, Porto, 2013.
- Pedro Leal, Helena Castro, P. Quelhas, "ParasiteAnalytics - An ImageJ plugin for automatic Leishmania attack quantification", In proceedings of Bioimaging 2013, Porto, 2013 .
- S. Bessa, I.F Amaral,P. Quelhas, "Validation of a tool for quantifying cell outgrowth from neurospheres in phase contrast microscopy images", In proceedings of Bioimaging 2013, Porto, 2013.
- Monica Marcuzzo, Pedro Quelhas, Ana Campilho, Ana Maria Mendonça, Aurélio Campilho, “Classifier-based Cell Segmentation from Confocal Microscopy Images“ 14th National Pattern Recognition meeting, Coimbra, Portugal, 2008.
- Pedro Quelhas, Monica Marcuzzo, Maria J. Oliveira, Aurélio Campilho and Ana M. Mendonça, ”Cancer Cell Detection and Invasion Depth Estimation in Brightfield Images”, 15th National Pattern Recognition meeting, Aveiro, Portugal, 2009.
- Tiago Esteves, Perpétua Pinto do Ó and Pedro Quelhas, “Automatic extraction of the level of infarction in mouse hearts”, 16th National Pattern Recognition meeting, Vila Real, Portugal, 2010.
- Tiago Esteves, Mariana Valente, Diana S. Nascimento, Perpétua Pinto-do-Ó, Pedro Quelhas, “Automatic extraction of the size of myocardial infarction in an experimental murine model”, 17th National Pattern Recognition meeting, Porto, Portugal, 2011.
- Luís Ferro, Marco Marques, Pedro Leal, Helena Castro, Pedro Quelhas, “Detection and counting of parasites in fluorescence microscopy images of in-vitro cell cultures”, 17th National Pattern Recognition meeting, Porto, Portugal, 2011.
- Marco Marques, Pedro Leal, Luís Ferro, Susana Romão, Tânia Cruz, Ana M. Tomás, Helena Castro, Pedro Quelhas, “Automatic assessment of Leishmania infection indexes of in vitro macrophage cell cultures ”, 18th National Pattern Recognition meeting, Coimbra, Portugal, 2012.
- Tiago Esteves, Maria José Oliveira, Pedro Quelhas, “Local interest detector based cancer cell mobility and morphology joint analysis”, 18th National Pattern Recognition meeting, Coimbra, Portugal, 2012.
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