Nina S. T. Hirata

List of publications

2017 2016 2015 2014 2013 2012 2011
  • L. F. F. Belussi and N. S. T. Hirata, Fast QR Code Detection in Arbitrarily Acquired Images, 24th Conference on Graphics, Patterns and Images (Sibgrapi), pp. 281 - 288, 2011.

  • HIRATA, N. S. T. . Morphological Operator Design from Training Data: A State of the Art Overview. In: Halina Kwasnicka; Lakhmi C. Jain. (Org.). Innovations in Intelligent Image Analysis, Springer, 2011, p. 31-58.

  • Hirata, Nina S. T. ; Honda, W. Y. . Automatic Labeling of Handwritten Mathematical Symbols via Expression Matching. In: 8th IAPR-TC-15 International Workshop on Graph-Based Representations in Pattern Recognition. Lecture Notes in Computer Science -- Graph-Based Representations in Pattern Recognition, 2011. v. 6658. p. 295-304.
2010
  • Santos, Carlos S. ; Hirata, Nina S.T. ; Hirata, Roberto . An Information Theory framework for two-stage binary image operator design. Pattern Recognition Letters, v. 31, p. 297-306, 2010.

  • SIDER, R. ; OZAHATA, B. Y. ; HIRATA, N. S. T. . ExpressMath: Análise Estrutural de Expressões Matemáticas Manuscritas. In: Nidia Pavan Kuri; Paulo Cesar Lima Segantine. (Org.). Iniciação científica e tecnológica: o jovem pesquisador em ação II. : CETEPE-EESC / USP, 2010, p. 109-129.

  • Dornelles, M.M. ; Hirata, N.S.T. . A Genetic Algorithm Based Method for Determining Two-level Morphological Operators. In: 17th International Conference on Systems, Signals and Image Processing, IWSSIP 2010, Rio de Janeiro, v. 1, p. 453-456.
2009 2008
  • HIRATA, N. S. T. . Stack Filters: From Definition to Design Algorithms. In: Peter W. Hawkes. (Org.). Advances in Imaging and Electron Physics. : Elsevier Inc., 2008, v. 152, p. 1-47.
2007
  • DELLAMONICA JUNIOR, D. ; SILVA, P. J. S. ; HUMES C. ; Hirata, N.S.T. ; BARRERA, J. An Exact Algorithm for Optimal MAE Stack Filter Design. IEEE Transactions on Image Processing, v. 16, p. 453-462, 2007.

  • HIRATA, N. S. T. . Document Processing via Trained Morphologicl Operators. In: 9th International Conference on Document Analysis and Recognition, 2007, Curitiba. ICDAR 2007 9th International Conference on Document Analysis and Recognition, 2007. v. II. p. 794-798.

  • HIRATA, N. S. T. ; HIRATA JR., R. ; BARRERA, J. . Basis Computation Algorithms. In: 8th International Symposium on Mathematical Morphology, 2007, Rio de Janeiro. Mathematical Morphhology and its Applications to Signal and Image Processing (Proceedings of the 8th International Symposium on Mathematical Morphology), 2007. v. 1. p. 15-26.

  • SANTOS, C. S. ; HIRATA, N. S. T. ; HIRATA JR., R. . Two-stage Binary Image Operator Design: an Approach Based on Interaction Information. In: XX Brazilian Symposium on Computer Graphics and Image Processing, 2007, Belo Horizonte. Proceedings of SIBGRAPI 2007, 2007. p. 53-60.
2005 2003
  • HIRATA, N. S. T. Classes of WOS Filters. In: IEEE - EURASIP Workshop on Nonlinear Signal and Image Processing, 2003, Grado. Proc. of 2003 IEEE - EURASIP Workshop on Nonlinear Signal and Image Processing, 2003.

  • HIRATA, N. S. T. . Order Statistic Filters: Minimal Collection of Minimum Weight Vectors. In: IEEE International Conference on Image Processing, 2003, Barcelona. Proceedings of ICIP 2003, 2003. v. I. p. 897-900.

  • HIRATA, N. S. T. ; HIRATA JR., R. . Design of Order Statistic Filters from Examples. In: Simpósio Barsileiro de Computação Gráfica e Processamento de Imagens, 2003, São Carlos - SP. Proc. of SIBGRAPI, 2003.
2002
  • TORRES, M. X. ; HIRATA, N. S. T. ; BARRERA, J. High-performance algorithm for Boolean function minimization: the partitioned incremental splitting of intervals (PISI) In: Photonics West' 2002, 2002, San Jose. Image Processing: Algorithms and Systems, volume 4667 of Proc. SPIE, 2002. v. 4667. p. 386-395.

  • HIRATA, N. S. T. ; BARRERA, J. ; DOUGHERTY, E. R. ; TERADA, R. . The Incremental Splitting of Intervals Algorithm for the Design of Binary Image Operators. In: International Symposium on Mathematical Morphology, 2002, Sydney. Proceedings of the 6th International Symposium: ISMM 2002, 2002.

  • BARRERA, J. ; MARTIN, P. A. ; DOUGHERTY, E. R. ; GUBITOSO, M. D. ; HIRATA, N. S. T. ; TREPODE, N. W. . Identification of Input-free Finite Lattice Dynamical Systems under Envelope Constraints. In: 6th International Symposium on Mathematical Morphology, 2002, Sydney. Proceedings of the 6th International Symposium: ISMM 2002, 2002.

2001
  • BARRERA, J. ; DOUGHERTY, E. R. ; GUBITOSO, M. D. ; HIRATA, N. S. T. . Modeling Temporal Morphological Systems via Lattice Dynamical Systems. In: Electronic Imaging at SPIE Photonics West 2001, 2001, San Jose, CA, USA. Nonlinear Image Processing and Pattern Analysis XII, 2001. v. 4304.

  • PELTONEN, S. ; TABUS, I. ; ASTOLA, J. T. ; DOUGHERTY, E. R. ; HIRATA, N. S. T. . Robust Optimization of Stack Filters. In: Nonlinar Signal and Image Processing (NSIP'01), 2001, Boston. Proceedings of NSIP'01, 2001.

  • ARMELIN, H. A. ; BARRERA, J. ; DOUGHERTY, E. R. ; GUBITOSO, M. D. ; HIRATA, N. S. T. ; NEVES, E. J. . Simulator for Gene Expression Networks. In: BIOS 2001 (SPIE Photonics West), 2001, San Jose, CA, USA. Proceedings of SPIE, 2001. v. 4266.

  • BRUN, M. ; BARRERA, J. ; HIRATA, N. S. T. ; TREPODE, N. W. ; DANTAS, D. O. ; TERADA, R. . Multi-resolution Classification Trees in OCR Design. In: Sibgrapi 2001, 2001, Florianópolis - SC - Brazil. Proceedings of Sibgrapi 2001, p. 59-66.

  • HIRATA, N. S. T. . Projeto automático de operadores: Explorando conhecimentos a priori.. In: XXI Congresso da Sociedade Brasileira de Computação, 2001, Fortaleza - CE. Anais do XXI Congresso da Sociedade Brasileira de Computação, 2001.
2000 1999 1998
  • BARRERA, J. ; TERADA, R. ; LOTUFO, R. A. ; HIRATA, N. S. T. ; HIRATA JR., R. ; ZAMPIROLLI, F. A. . An OCR based on Mathematical Morphology. In: SPIE Photonics West 1998, 1998, San Jose, CA, USA. Nonlinear Image Processing IX, 1998. v. 3304. p. 197-208.

  • DOUGHERTY, E. R. ; GRIGORYAN, A. M. ; BARRERA, J. ; HIRATA, N. S. T. . Binary Filter Design: Optimization, Prior Information and Robustness. In: SPIE's International Symposium on Optical Science, 1998, San Diego, CA, USA. Mathematical Modeling and estimation techniques in Computer Vision, 1998. v. 3457. p. 230-241.

  • HIRATA, N. S. T. ; DOUGHERTY, E. R. ; BARRERA, J. . Design of Large-Window Binary Filters via Iteration. In: SPIE Photonics East 1998, 1998, Boston, MA, USA. Intelligent Robots and Computer Vision XVII: Algorithms, techniques, and Active Vision, 1998. v. 3522. p. 173-182.
1997 1996
  • BARRERA, J. ; TERADA, R. ; SILVA, F. S. C. ; HIRATA, N. S. T. . Automatic Programming of Morphological Machines for OCR. In: Mathematical Morphology And Its Applications to Image and Signal Processing, INTERNATIONAL SYMPOSIUM ON MATHEMATICAL MORPHOLOGY, 1996, p. 385-392.

  • Nina S. Tomita, Programação Automática de Máquinas Morfológicas Binárias por Aprendizado PAC, Master's dissertation (compressed PostScript, in Portuguese), IME-USP, 1996.
1995
Links to additional data/information:
    SegmentIt: an interactive image segmentation tool.
    Hosted at sourceforge

    QR code detection: resulting sample images

    TRIOS Training Image Operators from Samples
    Hosted at sourceforge

    Express-Match A software to help generation of annotated handwritten mathematical expression samples
    Hosted at google codes