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Métodos de aproximação para computação visual

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O objetivo deste projeto é o desenvolvimento de algoritmos, técnicas matemáticas e ferramentas de software para problemas de computação visual, baseadas em conceitos de aproximação matemática. Computação visual inclui geometria computacional, modelagem geométrica, síntese de imagens e animações, visualização científica, visão computacional, codificação e processamento de imagens e reconhecimento de padrões. Por aproximação matemática entende-se a substituição de um fenômeno real ou modelo matemático complexo por um modelo mais simples ou mais eficiente, com garantias teóricas ou experimentais sobre os erros decorrentes dessa substituição. Os sub itens específicos deste projeto refletem a experiência acumulada e as idéias originais dos membros nas grandes áreas acima mencionadas, e oferecerão muitas oportunidades de sinergia e cooperação. (AU)

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Publicações científicas (49)
(Referências obtidas automaticamente do Web of Science e do SciELO, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores)
ALMEIDA, JURANDY; DOS SANTOS, JEFERSSON A.; ALBERTON, BRUNA; TORRES, RICARDO DA S.; MORELLATO, LEONOR PATRICIA C.. Applying machine learning based on multiscale classifiers to detect remote phenology patterns in Cerrado savanna trees. ECOLOGICAL INFORMATICS, v. 23, n. SI, p. 49-61, . (10/52113-5, 09/18438-7, 07/59779-6, 11/11171-5, 08/58528-2, 07/52015-0)
CREPALDI, BRUNO E.; DE REZENDE, PEDRO J.; DE SOUZA, CID C.. Solving the natural wireless localization problem to optimality efficiently. COMPUTATIONAL GEOMETRY-THEORY AND APPLICATIONS, v. 48, n. 5, SI, p. 370-379, . (12/17608-9, 07/52015-0)
METZE, KONRADIN. Fractal dimension of chromatin: potential molecular diagnostic applications for cancer prognosis. EXPERT REVIEW OF MOLECULAR DIAGNOSTICS, v. 13, n. 7, p. 719-735, . (07/52015-0)
KUNIGAMI, GUILHERME; DE REZENDE, PEDRO J.; DE SOUZA, CID C.; YUNES, TALLYS. Optimizing the Layout of Proportional Symbol Maps: Polyhedra and Computation. INFORMS JOURNAL ON COMPUTING, v. 26, n. 2, p. 199-207, . (07/52015-0)
MINETTO, RODRIGO; THOME, NICOLAS; CORD, MATTHIEU; LEITE, NEUCIMAR J.; STOLFI, JORGE. SnooperText: A text detection system for automatic scenes indexing of urban scenes. COMPUTER VISION AND IMAGE UNDERSTANDING, v. 122, p. 92-104, . (07/54201-6, 07/52015-0)
ALMEIDA, JURANDY; DOS SANTOS, JEFERSSON A.; MIRANDA, WANER O.; ALBERTON, BRUNA; MORELLATO, LEONOR PATRICIA C.; TORRES, RICARDO DA S.. Deriving vegetation indices for phenology analysis using genetic programming. ECOLOGICAL INFORMATICS, v. 26, n. 3, p. 61-69, . (13/50169-1, 10/52113-5, 09/18438-7, 14/00215-0, 13/50155-0, 07/59779-6, 07/52015-0, 10/51307-0)
GUIMARAES PEDRONETTE, DANIEL CARLOS; ALMEIDA, JURANDY; TORRES, RICARDO DA S.. A scalable re-ranking method for content-based image retrieval. INFORMATION SCIENCES, v. 265, p. 91-104, . (09/18438-7, 11/11171-5, 07/52015-0, 09/05951-8, 13/08645-0)
MARIANO, GREICE C.; MORELLATO, LEONOR PATRICIA C.; ALMEIDA, JURANDY; ALBERTON, BRUNA; DE CAMARGO, MARIA GABRIELA G.; TORRES, RICARDO DA S.. Modeling plant phenology database: Blending near-surface remote phenology with on-the-ground observations. ECOLOGICAL ENGINEERING, v. 91, p. 396-408, . (10/52113-5, 09/18438-7, 14/00215-0, 13/50155-0, 07/59779-6, 07/52015-0, 10/51307-0, 11/51523-8)
SAITO, PRISCILA T. M.; DE REZENDE, PEDRO J.; FALCAO, ALEXANDRE X.; SUZUKI, CELSO T. N.; GOMES, JANCARLO F.. An active learning paradigm based on a priori data reduction and organization. EXPERT SYSTEMS WITH APPLICATIONS, v. 41, n. 14, p. 6086-6097, . (07/52015-0)
ALMEIDA, JURANDY; LEITE, NEUCIMAR J.; TORRES, RICARDO DA S.. Online video summarization on compressed domain. JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, v. 24, n. 6, SI, p. 729-738, . (08/50837-6, 07/52015-0, 09/18438-7)
KUNIGAMI, GUILHERME; DE REZENDE, PEDRO J.; DE SOUZA, CID C.; YUNES, TALLYS. Generating optimal drawings of physically realizable symbol maps with integer programming. VISUAL COMPUTER, v. 28, n. 10, SI, p. 1015-1026, . (07/52015-0)
PAPA, JOAO PAULO; FALCAO, ALEXANDRE XAVIER; DE FREITAS, GREICE MARTINS; HEUMINSKI DE AVILA, ANA MARIA. Robust Pruning of Training Patterns for Optimum-Path Forest Classification Applied to Satellite-Based Rainfall Occurrence Estimation. IEEE Geoscience and Remote Sensing Letters, v. 7, n. 2, p. 396-400, . (07/52015-0)
ROCHA, ANDERSON; HAUAGGE, DANIEL C.; WAINER, JACQUES; GOLDENSTEIN, SIOME. Automatic fruit and vegetable classification from images. COMPUTERS AND ELECTRONICS IN AGRICULTURE, v. 70, n. 1, p. 96-104, . (08/08681-9, 07/52015-0, 05/58103-3, 08/54443-2)
GUIMARAES PEDRONETTE, DANIEL CARLOS; TORRES, RICARDO DA S.. Exploiting pairwise recommendation and clustering strategies for image re-ranking. INFORMATION SCIENCES, v. 207, p. 19-34, . (07/52015-0, 09/18438-7)
SPINA, THIAGO V.; DE MIRANDA, PAULO A. V.; FALCAO, ALEXANDRE X.. INTELLIGENT UNDERSTANDING OF USER INTERACTION IN IMAGE SEGMENTATION. INTERNATIONAL JOURNAL OF PATTERN RECOGNITION AND ARTIFICIAL INTELLIGENCE, v. 26, n. 2, . (09/11908-8, 07/52015-0, 09/16428-4)
MIRANDA, PAULO A. V.; FALCAO, ALEXANDRE X.. Links Between Image Segmentation Based on Optimum-Path Forest and Minimum Cut in Graph. Journal of Mathematical Imaging and Vision, v. 35, n. 2, p. 128-142, . (07/52015-0)
PAPA, JOAO P.; FALCAO, ALEXANDRE X.; DE ALBUQUERQUE, VICTOR HUGO C.; TAVARES, JOAO MANUEL R. S.. Efficient supervised optimum-path forest classification for large datasets. PATTERN RECOGNITION, v. 45, n. 1, p. 512-520, . (07/52015-0)
ROCHA, ANDERSON; SCHEIRER, WALTER; BOULT, TERRANCE; GOLDENSTEIN, SIOME. Vision of the Unseen: Current Trends and Challenges in Digital Image and Video Forensics. ACM COMPUTING SURVEYS, v. 43, n. 4, . (10/05647-4, 08/08681-9, 07/52015-0, 05/58103-3)
VIDO, JOYCE R.; ADAM, RANDALL L.; LORAND-METZE, IRENE G. H.; METZE, KONRADIN. Computerized texture analysis of atypical immature myeloid precursors in patients with myelodysplastic syndromes: an entity between blasts and promyelocytes. DIAGNOSTIC PATHOLOGY, v. 6, . (07/52015-0)
METZE‚ K.; FERREIRA‚ R.C.; ADAM‚ R.L.. Classification of thyroid follicular lesions based on nuclear texture features—Lesion size matters. Cytometry Part A, v. 77, n. 12, p. 1101-1102, . (07/52015-0)
DA SILVA‚ A.T.; FALCÃO‚ A.X.; MAGALHÃES‚ L.P.. Active learning paradigms for CBIR systems based on optimum-path forest classification. PATTERN RECOGNITION, v. 44, n. 12, p. 2971-2978, . (07/52015-0, 08/57428-4)
CANO, RAFAEL G.; KUNIGAMI, GUILHERME; DE SOUZA, CID C.; DE REZENDE, PEDRO J.. A hybrid GRASP heuristic to construct effective drawings of proportional symbol maps. Computers & Operations Research, v. 40, n. 5, p. 1435-1447, . (09/17044-5, 07/52015-0)
PENATTI, OTAVIO A. B.; VALLE, EDUARDO; TORRES, RICARDO DA S.. Comparative study of global color and texture descriptors for web image retrieval. JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, v. 23, n. 2, p. 359-380, . (09/18438-7, 09/10554-8, 06/59525-1, 07/52015-0, 09/05951-8)
MINETTO, R.; SPINA, T. V.; FALCAO, A. X.; LEITE, N. J.; PAPA, J. P.; STOLFI, J.. IFTrace: Video segmentation of deformable objects using the Image Foresting Transform. COMPUTER VISION AND IMAGE UNDERSTANDING, v. 116, n. 2, p. 274-291, . (07/54201-6, 07/52015-0, 09/11908-8)
DA SILVA, ANDRE TAVARES; DOS SANTOS, JEFERSSON ALEX; FALCAO, ALEXANDRE XAVIER; TORRES, RICARDO DA S.; MAGALHAES, LEO PINI. Incorporating multiple distance spaces in optimum-path forest classification to improve feedback-based learning. COMPUTER VISION AND IMAGE UNDERSTANDING, v. 116, n. 4, p. 510-523, . (07/52015-0, 08/57428-4, 09/18438-7, 08/58528-2)
COUTO, MARCELO C.; DE REZENDE, PEDRO J.; DE SOUZA, CID C.. An exact algorithm for minimizing vertex guards on art galleries. International Transactions in Operational Research, v. 18, n. 4, p. 425-448, . (07/52015-0)
TOZONI, DAVI C.; DE REZENDE, PEDRO J.; DE SOUZA, CID C.. Algorithm 966: A Practical Iterative Algorithm for the Art Gallery Problem Using Integer Linear Programming. ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE, v. 43, n. 2, . (07/52015-0, 12/18384-7)
SAITO, PRISCILA T. M.; NAKAMURA, RODRIGO Y. M.; AMORIM, WILLIAN P.; PAPA, JOAO P.; DE REZENDE, PEDRO J.; FALCAO, ALEXANDRE X.. Choosing the Most Effective Pattern Classification Model under Learning-Time Constraint. PLoS One, v. 10, n. 6, . (14/16250-9, 11/14058-5, 12/18768-0, 13/20387-7, 07/52015-0)
SAITO, PRISCILA T. M.; SUZUKI, CELSO T. N.; GOMES, JANCARLO F.; DE REZENDE, PEDRO J.; FALCAO, ALEXANDRE X.. Robust active learning for the diagnosis of parasites. PATTERN RECOGNITION, v. 48, n. 11, SI, p. 3572-3583, . (07/52015-0)
ALMEIDA, JURANDY; DOS SANTOS, JEFERSSON A.; ALBERTON, BRUNA; MORELLATO, LEONOR PATRICIA C.; TORRES, RICARDO DA S.. Phenological visual rhythms: Compact representations for fine-grained plant species identification. PATTERN RECOGNITION LETTERS, v. 81, n. SI, p. 90-100, . (13/50169-1, 10/52113-5, 09/18438-7, 14/00215-0, 13/50155-0, 07/59779-6, 07/52015-0, 10/51307-0)
ALBERTON, BRUNA; TORRES, RICARDO DA S.; CANCIAN, LEONARDO F.; BORGES, BRUNO D.; ALMEIDA, JURANDY; MARIANO, GREICE C.; DOS SANTOS, JEFERSSON; CERDEIRA MORELLATOA, LEONOR PATRICIA. Introducing digital cameras to monitor plant phenology in the tropics: applications for conservation. PERSPECTIVES IN ECOLOGY AND CONSERVATION, v. 15, n. 2, p. 82-90, . (16/01413-5, 14/13354-8, 10/52113-5, 09/18438-7, 16/06441-7, 14/00215-0, 13/50155-0, 07/59779-6, 07/52015-0, 10/51307-0, 11/51523-8)
LEITE, ROGER A.; SCHNORR, LUCAS MELLO; ALMEIDA, JURANDY; ALBERTON, BRUNA; MORELLATO, LEONOR PATRICIA C.; TORRES, RICARDO DA S.; COMBA, JOAO L. D.. PhenoVis - A tool for visual phenological analysis of digital camera images using chronological percentage maps. INFORMATION SCIENCES, v. 372, p. 181-195, . (13/50169-1, 10/52113-5, 09/18438-7, 14/00215-0, 13/50155-0, 07/59779-6, 07/52015-0, 10/51307-0, 09/54208-6)
FARIA, FABIO A.; ALMEIDA, JURANDY; ALBERTON, BRUNA; MORELLATO, LEONOR PATRICIA C.; ROCHA, ANDERSON; TORRES, RICARDO DA S.. Time series-based classifier fusion for fine-grained plant species recognition. PATTERN RECOGNITION LETTERS, v. 81, n. SI, p. 101-109, . (10/05647-4, 10/52113-5, 09/18438-7, 14/00215-0, 10/14910-0, 13/50155-0, 07/59779-6, 07/52015-0, 10/51307-0, 11/51523-8)
RUPPERT, GUILHERME C. S.; CHIACHIA, GIOVANI; BERGO, FELIPE P. G.; FAVRETTO, FERNANDA O.; YASUDA, CLARISSA L.; ROCHA, ANDERSON; FALCAO, ALEXANDRE X.. Medical image registration based on watershed transform from greyscale marker and multi-scale parameter search. COMPUTER METHODS IN BIOMECHANICS AND BIOMEDICAL ENGINEERING-IMAGING AND VISUALIZATION, v. 5, n. 2, p. 138-156, . (10/05647-4, 10/00994-8, 07/52015-0, 13/11359-0)
CANO, RAFAEL G.; DE SOUZA, CID C.; DE REZENDE, PEDRO J.; YUNES, TALLYS. Arc-based integer programming formulations for three variants of proportional symbol maps. DISCRETE OPTIMIZATION, v. 18, p. 87-110, . (12/00673-2, 07/52015-0)
PIVA, BRENO; DE SOUZA, CID C.; FROTA, YURI; SIMONETTI, LUIDI. INTEGER PROGRAMMING APPROACHES FOR MINIMUM STABBING PROBLEMS. RAIRO-OPERATIONS RESEARCH, v. 48, n. 2, p. 211-233, . (07/52015-0)
CALUMBY, RODRIGO TRIPODI; TORRES, RICARDO DA SILVA; GONCALVES, MARCOS ANDRE. Multimodal retrieval with relevance feedback based on genetic programming. MULTIMEDIA TOOLS AND APPLICATIONS, v. 69, n. 3, p. 991-1019, . (07/52015-0, 09/18438-7)
DOS SANTOS, JEFERSSON ALEX; GOSSELIN, PHILIPPE-HENRI; PHILIPP-FOLIGUET, SYLVIE; TORRES, RICARDO DA S.; FALCAO, ALEXANDRE XAVIER. Interactive Multiscale Classification of High-Resolution Remote Sensing Images. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, v. 6, n. 4, p. 2020-2034, . (07/52015-0, 08/57428-4, 09/18438-7, 08/58528-2)
MINGIREANOV FILHO, IVAN; SPINA, THIAGO VALLIN; FALCAO, ALEXANDRE XAVIER; VIDAL, ALEXANDRE CAMPANE. Segmentation of sandstone thin section images with separation of touching grains using optimum path forest operators. Computers & Geosciences, v. 57, p. 146-157, . (07/52015-0, 11/01434-9)
ALMEIDA, JURANDY; LEITE, NEUCIMAR J.; TORRES, RICARDO DA S.. VISON: Video Summarization for ONline applications. PATTERN RECOGNITION LETTERS, v. 33, n. 4, SI, p. 397-409, . (08/50837-6, 07/52015-0, 09/18438-7)
ROCHA, ANDERSON; GOLDENSTEIN, SIOME. Progressive randomization: Seeing the unseen. COMPUTER VISION AND IMAGE UNDERSTANDING, v. 114, n. 3, p. 349-362, . (08/08681-9, 07/52015-0, 05/58103-3)
FERRO, DANIELA P.; FALCONI, MONICA A.; ADAM, RANDALL L.; ORTEGA, MANOELA M.; LIMA, CARMEN P.; DE SOUZA, CARMINO A.; LORAND-METZE, IRENE; METZE, KONRADIN. Fractal Characteristics of May-Grunwald-Giemsa Stained Chromatin Are Independent Prognostic Factors for Survival in Multiple Myeloma. PLoS One, v. 6, n. 6, . (07/52015-0)
DOS SANTOS, JEFERSSON ALEX; GOSSELIN, PHILIPPE-HENRI; PHILIPP-FOLIGUET, SYLVIE; TORRES, RICARDO DA S.; FALCAO, ALEXANDRE XAVIER. Multiscale Classification of Remote Sensing Images. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, v. 50, n. 10, 1, p. 3764-3775, . (07/52015-0, 08/57428-4, 09/18438-7, 08/58528-2)
DOMINGUES, MARGARETE O.; FERREIRA, PAULO J. S. G.; GOMES, SONIA M.; GOMIDE, ANAMARIA; PEREIRA, JOSE R.; PINHO, PEDRO. Grid structure impact in sparse point representation of derivatives. Journal of Computational and Applied Mathematics, v. 234, n. 8, p. 2377-2389, . (04/06880-3, 07/52015-0)
BEDIN, VALCINIR; ADAM, RANDALL L.; DE SA, BIANCA C. S.; LANDMAN, GILLES; METZE, KONRADIN. Fractal dimension of chromatin is an independent prognostic factor for survival in melanoma. BMC CANCER, v. 10, . (07/52015-0)
SARACCHINI, RAFAEL F. V.; STOLFI, JORGE; DA GAMA LEITAO, HELENA CRISTINA. A Uniform Grid Structure to Speed Up Example-Based Photometric Stereo. IEEE Transactions on Image Processing, v. 20, n. 12, p. 3495-3507, . (07/59509-9, 07/52015-0)
SARACCHINI, RAFAEL F. V.; STOLFI, JORGE; LEITAO, HELENA C. G.; ATKINSON, GARY A.; SMITH, MELVYN L.. A robust multi-scale integration method to obtain the depth from gradient maps. COMPUTER VISION AND IMAGE UNDERSTANDING, v. 116, n. 8, p. 882-895, . (07/59509-9, 07/52015-0)
MIRANDA, PAULO A. V.; FALCAO, ALEXANDRE XAVIER; SPINA, THIAGO V.. Riverbed: A Novel User-Steered Image Segmentation Method Based on Optimum Boundary Tracking. IEEE Transactions on Image Processing, v. 21, n. 6, p. 3042-3052, . (09/11908-8, 07/52015-0, 11/01434-9, 09/16428-4)
DE GOES, FERNANDO; GOLDENSTEIN, SIOME; DESBRUN, MATHIEU; VELHO, LUIZ. EXOSKELETON: Curve network abstraction for 3D shapes. COMPUTERS & GRAPHICS-UK, v. 35, n. 1, p. 112-121, . (07/52015-0, 09/18438-7)

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