[1] Gonçalo Matos, Tiago Oliveira, Filipe Silva, Francisco Martinho, Miguel Leão, Filipe Fonseca, José Silvestre Silva,
João Paulo Costeira, Ricardo Saldanha,
Carlos Santiago, Ernesto Morgado
"An Apple Counting System Robust to Multiple Intermittent Occlusions", 23rd EPIA Conference on Artificial Intelligence, EPIA, Volume 14967 LNAI, Pages 181 - 192, 2024
[2] Gonçalo Matos,
Carlos Santiago,
João Paulo Costeira, Ricardo Saldanha, Ernesto Morgado
"Tracking and Counting Apples in Orchards Under Intermittent Occlusions and Low Frame Rates", IEEE Computer Vision and Pattern Recognition Conference (CVPR), 2024
[4] Luca Ciampi,
Carlos Santiago,
João Paulo Costeira, Fabrizio Falchi, Claudio Gennaro, Giuseppe Amato
"Unsupervised Domain Adaptation for Video Violence Detection in the Wild", Proceedings of the 3rd International Conference on Image Processing and Vision Engineering (IMPROVE), 2023
[5] João Bernardo Morais,
Carlos Santiago,
João Paulo Costeira "Say Yes To The Fetch: Product Retrieval on a Structured Multimodal Catalog", AI2ASE Workshop at the AAAI Conference on Artificial Intelligence, Vancouver, BC, Canada (virtual), 2022
[6] Ricardo Gamelas Sousa, Pedro Ferreira, Pedro Moreira Costa, Pedro Azevedo,
João Paulo Costeira,
Carlos Santiago, João Magalhães, David Semedo, Rafael Ferreira, Alexander Rudnicky, Alex Hauptmann
"iFetch: Multimodal Conversational Agents for the Online Fashion Marketplace", Proc. of MuCAI 2021 - 2nd ACM Multimedia Workshop on Multimodal Conversational AI (virtual), pp. 25-26, 2021
[7] Gabriel Moreira,
Manuel Marques,
João Paulo Costeira "Rotation averaging in a split second: A primal-dual method and a closed-form for cycle graphs", Proc. of ICCV 2022 - IEEE/CVF International Conference on Computer Vision (virtual), pp. 5452 - 5460, 2021
[9]
Beatriz Ferreira,
João Paulo Costeira, Ricardo Gamelas Sousa, Liang-Yan Gui,
João Pedro Gomes "Pose Guided Attention for Multi-label Fashion Image Classification", Proc. of International Conference on Computer Vision (ICCV) Workshop, Seoul, South Korea, 2019
[11]
Carlos Santiago, Duarte M Alves,
Beatriz Ferreira,
João Carvalho, Alberto Messina,
João Paulo Costeira "Video Analysis Based on Human Pose for Unsupervised Summarization and Retrieval", Proc. of International Conference on Content-Based Multimedia Indexing (CBMI), Dublin, Ireland, 2019
[12] Han Zhao,
ShanghangZhang, W. Guanhang,
João Paulo Costeira, Jose M. F. Moura, Geoffrey J. Gordon
"Adversarial Multiple Source Domain Adaptation", Proc. of 32nd Conference on Neural Information Processing Systems (NeurIPS), Montreal, Canada, 2018
[13]
ShanghangZhang, X. Shen, Z. Lin, R. Mech,
João Paulo Costeira, Jose M. F. Moura
"Learning to Understand Image Blur", accepted, CVPR 2018 - IEEE Conference on Computer Vision and Pattern Recognition, Salt Lake City, USA, 2018
[14]
Jayakorn Vongkulbhisal, B. Ugalde, F. De la Torre,
João Paulo Costeira "Inverse Composition Discriminative Optimization for Point Cloud Registration", accepted, CVPR 2018 - IEEE Conference on Computer Vision and Pattern Recognition, Salt Lake City, USA, 2018
[15] Alexandre Candeias, Travers Rhodes,
Manuel Marques,
João Paulo Costeira, Manuela Veloso
"Vision Augmented Robot Feeding", Proc. of ECCV 2018 - IEEE European Conference on Computer Vision, Munich, Germany, 2018
[16]
ShanghangZhang, G. Wu,
João Paulo Costeira, J. M. F. Moura
"Fcn-rlstm: Deep spatio-temporal neural networks for vehicle counting in city cameras", Proc. of ICCV 2017 - IEEE International Conference on Computer Vision, Venice, Italy, 2017
[17]
ShanghangZhang, W. Guanhang,
João Paulo Costeira, J. F. Moura
"Understanding Traffic Density from Large-Scale Web Camera Data", Proc. of CVPR 2017 - IEEE Conference on Computer Vision and Pattern Recognition, Hawaii, USA, 2017 -
PDF[18]
Jayakorn Vongkulbhisal, F. De la Torre,
João Paulo Costeira "Discriminative Optimization: Theory and Applications to Point Cloud Registration", Proc. of CVPR 2017 - IEEE Conference on Computer Vision and Pattern Recognition, Hawaii, USA, 2017
[23] Pedro Vieira,
João Paulo Costeira,
Susana Brandão,
Manuel Marques "SMARTcycling: Assessing cyclists’ driving experience", Proc. of IV 2016 - IEEE Intelligent Vehicles Symposium, Gothenburg, Sweden, 2016
[24]
João Carvalho,
Manuel Marques,
João Paulo Costeira, P. M. Jorge
"Detecting People in Large Crowded Spaces using 3D Data from Multiple Cameras", Proc. of VISIGRAPP 2016 - 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 4: VISAPP, 218-225, Rome, Italy, 2016 -
PDF[25]
Qiwei Han, P. Ferreira,
João Paulo Costeira "Asymmetric Peer Influence in Smartphone Adoption in A Large Mobile Network,", Proc. of ICMB 2015 - 14th International Conference on Mobile Business (co-located with ICIS), Fort Worth, USA, 2015 -
PDF[26]
Beatriz Ferreira,
João Pedro Gomes,
João Paulo Costeira "A Unified Approach for Hybrid Source Localization Based on Ranges and Video", Proc. of ICASSP 2015 - IEEE International Conference of Acoustics, Speech and Signal Processing, Brisbane, Australia; doi: 10.1109/ICASSP.2015.7178497, 2015 -
PDF[27] S. D. Klee,
Beatriz Ferreira, R. silva,
João Paulo Costeira,
Francisco Melo, M. Veloso
"Personalized Assistance for Dressing Users", Proc. of ICSR 2015 - International Conference on Social Robotics, Paris, France. LNCS, Vol. 9388, pp. 359-369; doi: 10.1007/978-3-319-25554-5_36, 2015 -
PDF[29] Fernando Ribeiro,
Susana Brandão,
João Paulo Costeira, M. Veloso
"Global Localization by Soft Object Recognition from 3D Partial Views", Proc. of IROS 2015 - IEEE/RSJ International Conference on Intelligent Robots and Systems, Hamburg, Germany, 2015 -
PDF[30]
Qiwei Han, Pedro Ferreira,
João Paulo Costeira "Asymmetric Role of Social Influence in Smartphone Adoption in A Large Mobile Network", Proc. of NetMob 2015 - 4th Conference on the Analysis of Mobile Phone Datasets, MIT Media Lab, Cambridge, USA, 2015 -
PDF[32]
Beatriz Ferreira, M. Griné,
Duarte Gameiro,
João Paulo Costeira, B. Santos
"VOLUMNECT – Measuring Volumes with Kinect TM", Proc. SPIE 9013 - Three-Dimensional Image Processing, Measurement (3DIPM), and Applications, San Francisco, CA, USA, 901304; doi:10.1117/12.2036493, 2014 -
PDF[33]
Susana Brandão,
João Paulo Costeira, M. Veloso
"Effortless Scanning of 3D Object Models by Boundary Aligning and Stitching", Proc. of VISIGRAPP 2014 - 9th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, Lisbon, Portugal, 2014
[34]
Susana Brandão,
João Paulo Costeira, M. Veloso
"The Partial View Heat Kernel Descriptor for 3D Object Representation", Proc. of ICRA 2014 - IEEE International Conference on Robotics and Automation, Hong-Kong, China, 2014
[35]
Susana Brandão, M. Veloso,
João Paulo Costeira "Probabilistic Object Identification through On-Demand Partial Views", Proc. of VISIGRAPP 2014 - 9th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, Lisbon, Portugal, 2014
[37]
Ricardo Cabral, F. De la Torre,
João Paulo Costeira,
Alexandre Bernardino "Unifying Nuclear Norm and Bilinear Factorization Approaches for Low-rank Matrix Decomposition", Proc. of ICCV 2013 - IEEE International Conference on Computer Vision, Sydney, Australia <br> Also published in: Handbook of Robust Low-Rank and Sparse Matrix Decomposition: Applications in Image and Video Processing, CRC Press 2016, 2013
[39]
Susana Brandão, M. Veloso,
João Paulo Costeira "Joint alignment and stitching of non overlapping meshes", Proc. of IROS 2012 - IEEE/RSJ International Conference on Intelligent Robots and Systems, Workshop on Color-Depth Camera Fusion in Robotics, VilaMoura, Portugal, 2012
[40]
Gustavo Carneiro,
João Paulo Costeira "The Automatic Annotation and Retrieval of Digital Images of Prints and Tile Panels using Network Link Analysis Algorithms", Proc. of the Conference on Computer Vision and Analysis of Images of Art II, part of the IS&T/SPIE Electronic Imaging 2011, San Francisco, USA, 2011
[41] R. Cabral,
João Paulo Costeira, F. De la Torre,
Alexandre Bernardino "Fast Incremental Method for Matrix Completion: An Application to Trajectory Correction", Proc. of ICIP 2011 - IEEE International Conference on Image Processing, Brussels, Belgium, 2011 -
PDF[42] R. S. Cabral,
João Paulo Costeira,
Alexandre Bernardino "Matrix Completion for Multi-label Image Classification", Proc. of NIPS 2011 - 25th Annual Conference on Neural Information Processing Systems, Granada, Spain, 2011 -
PDF[44]
Ricardo Cabral,
João Paulo Costeira, F. De la Torre,
Alexandre Bernardino,
Gustavo Carneiro "Time and order estimation of paintings based on visual features and expert priors", Proc. of the Conference on Computer Vision and Analysis of Images of Art II, part of the IS&T/SPIE Electronic Imaging 2011, San Francisco, USA, 2011 -
PDF[45]
João Paulo Costeira,
Manuel Marques "LAMP: Linear Approach for Matching Points", Proc. of ICIP2009 - IEEE International Conference on Image Processing, Cairo, Egypt, 2009
[49]
Nuno Pinho da Silva,
João Paulo Costeira "Geometrical Consistent Clustering of Linear Subspaces", Proc. of RecPad 2009 - 15th Portuguese Conference on Pattern Recognition, Aveiro, Portugal, 2009 -
PDF[51]
João Paulo Costeira,
Manuel Marques "3D face recognition from multiple images: a shape-from-motion approach", Proc. of FG 2008 - 8th IEEE International Conference on Automatica Face and Gesture Recognition, Amsterdam, The Netherlands, 2008
[52]
João Paulo Costeira,
Nuno Pinho da Silva "Subspace Segmentation with Outliers: a Grassmannian approach to the maximum consensus subspace", Proc. of CVPR 2008 - IEEE Computer Society Conference on Computer Vision and Pattern Recognition, Anchorage, Alaska, USA, 2008
[53]
João Paulo Costeira,
Manuel Marques "Optimal shape from motion estimation with missing and degenerate data", Proc. of WMVC 2008 - IEEE Workshop on Motion and Video Computing, Copper Mountain, CO, USA, 2008 -
PDF[56]
João Paulo Costeira,
Carlos Silvestre,
Ricardo Ferreira, I. Sousa, J. Santos
"Using Stereo Image Reconstruction to Survey Scale Models of Rubble-Mound Structures", Proc. CoastLab 2006 - 1st International Conference on the Application of Physical Modelling to Port and Coastal Protection, Porto, Portugal, 2006 -
PDF[57]
João Paulo Costeira,
Nuno Pinho da Silva "Robust topology estimation for real-time applications", Proc. of ICIAR 2005 - International Conference of Image Analysis and Recognition, Toronto, Canada, 2005
[58]
Ricardo Oliveira,
João Paulo Costeira,
João Xavier "Optimal Point Correspondence through the Use of Rank Constraints", Proc. of CVPR2005 - IEEE International Conference on Computer Vision and Pattern Recognition, San Diego, USA, 2005 -
PDF[59]
Ricardo Oliveira,
João Paulo Costeira,
João Xavier "Contour Point Tracking by Enforcement of Rigidity Constraints", Proc. 3DIM2005 - IEEE International Conference on 3D Digital Imaging and Modeling, Ottawa, Ontario, Canada, 2005 -
PDF[60]
João Paulo Costeira,
Ricardo Ferreira, J. Santos
"Stereo Reconstruction of a Submerged Scene", Proc. IbPRIA 2005 - 2nd Iberian Conference on Pattern Recognition and Image Analysis, Estoril, Portugal, 2005 -
PDF[61] Nuno Gracias,
João Paulo Costeira,
José Santos-Victor "Linear Global Mosaics for Underwater Surveying", Proc. IAV 2004 - 5th IFAC/EURON Symposium on Autonomous Vehicles, Lisbon, Portugal, 2004 -
PDF[62] Joao Maciel,
João Paulo Costeira "Maximizing Rigidity: Optimal matching under scaled-orthography", European Conference on Computer Vision, ECCV, Copenhagen, Denmark, 2002 -
PDF[63] Rafael Nojek, Tomasz Krzyzynski,
João Paulo Costeira "Representing 3D shape from video", Proceedings of the third international workshop on robot motion and control, Bukowy Dworek, Poland, 2002
[64]
João Paulo Costeira, Joao Maciel
"Robust Point Correspondence by Concave Minimization", 11th British Machine Vision Conference, Bristol, UK (Science Prize for the Best Paper. Issued by the British Machine Vision Association), 2000 -
PDF[65] Luis Jordao, Matteo Perrone,
João Paulo Costeira,
José Santos-Victor "Active Face and Feature Tracking", International Conference on Image Analysis and Processing, Venice, Italy, 1999 -
PDF[66] Joao Maciel,
João Paulo Costeira "Holystic Face Synthesis", IEEE International Conference on Acoustics Speech and Signal Processing, Phoenix, Arizona, USA, 1999 -
PDF[67] Cesar Branco,
João Paulo Costeira "A 3D Image Mosaicing System using the Factorization Method", IEEE International Symposium on Industrial Electronics - ISIE98, Pretoria, South Africa, 1998 -
PDF[68]
João Paulo Costeira "Human Face Synthesis", International Conference on Applied Analysis, Lisbon, 1997
[69]
João Paulo Costeira, Takeo Kanade
"A Multi-body Factorization Method for Motion Analysis", International Conference of Computer Vision, Cambridge, USA, 1995 -
PDF[70]
João Paulo Costeira,
José Santos-Victor,
João Sentieiro "Computation of Unmelted Materials Flow in Glass Furnaces by Moving Imaging Techniques", THERMIE - European Seminar on Improved Technologies for the Rational Use of Energy in Glass Industry, Wiesbaden, Germany, 1992