.

Publications J.M.H. (Hans) du Buf

Updated Oct 2016. NOTE: pdf files of most recent papers can be found in Joao Rodrigues' and the homepages of Kasim Terzic.
Jump to: Journals Conferences and workshops Reports Book chapters Books and proceedings


Books and proceedings

  1. du Buf, H. Parallel image processing on Beowulfs - a practical approach. World Scientific, Series in Machine Perception and Artificial Intelligence. In preparation.
  2. du Buf, H. and Bayer, M.M. (eds) Automatic diatom identification. World Scientific, Series in Machine Perception and Artificial Intelligence, Vol. 51, 2002, pp 316.
  3. van Deemter, J.H. and du Buf, J.M.H. (eds) Proceedings of the 2nd Pamonop Workshop, Faro, November 24-26, 1995, pp 120.
  4. Bigun, J. and du Buf J.M.H. (eds), Proceedings of the 1st Swiss Symp. on Pattern Recognition and Computer Vision, Lausanne, Jan. 30-31, 1992, pp 121.

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Book chapters

  1. Rodrigues, J.M.F., Terzic, K., Lam, R., du Buf, J.M.H. (2014) Face and Object Recognition Using Biological Features and few Views. Chapter 4 in: Contemp. Advancements in Information Technology Development in Dynamic Environments, Mehdi Khosrow-Pour (ed.), IGI Global, pp. 58-77.
  2. Loke, R.E. and du Buf, H. (2002) Identification by curvature of convex and concave segments. Chapter 8 in: Automatic diatom identification; du Buf, H. and Bayer, M.M. (eds), World Scientific, pp 141-166.
  3. Ciobanu, A. and du Buf, H. (2002) Contour profiling and Legendre polynomials. Chapter 9 in: Automatic diatom identification; du Buf, H. and Bayer, M.M. (eds), World Scientific, pp 167-186.
  4. Santos, L.M. and du Buf, H. (2002) Identification by Gabor features. Chapter 10 in: Automatic diatom identification; du Buf, H. and Bayer, M.M. (eds), World Scientific, pp 187-220.
  5. van Deemter, J.H. and du Buf, J.M.H. (2001) Line and edge detection by curvature-adaptive neural networks. Chapter 10 in: Plausible neural networks for biological modelling, J.E. Vos and H.A.K. Mastebroek (eds), Kluwer Academic, pp 219-239.
  6. du Buf, J.M.H. (2001) Modeling brightness perception. Chapter 2 in: Vision models and applications to image and video processing, C.J. van den Branden Lambrecht (ed.), Kluwer Academic, pp 21-36.
  7. du Buf, Hans and Shahbazkia, Hamid (2000) UALG Vision Laboratory. Chapter 10 in: Pattern recognition advances in iberoamerica, A. Grau (ed.), Int. Association for Pattern Recognition, pp 89-93.
  8. du Buf, J.M.H. (1993) From semantic texture attributes to a syntactic analysis in Gabor space. In: Visual Search II, D. Brogan, A. Gale, K. Carr (eds), Taylor and Francis Ltd, London, 1993, Chapter 9, pp 139-148.
  9. du Buf, J.M.H. and Spann, M. (1990) Visual versus machine performance in boundary detection between textured regions. In: Visual Search, D. Brogan (ed.), Taylor and Francis Ltd, London, Chapter 25, pp 237-248.

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Reports

  1. Bobinger, U. and du Buf, H. (2004) Modeling Visual Detection: MODELFEST data. Report CINTAL/UALG, 6 pp. modelfest.pdf.gz.
  2. Bobinger, U. and du Buf, H. (2004) Modeling Visual Detection: CIF data. Report CINTAL/UALG, 7 pp. cifs.pdf.gz.
  3. Rodrigues, J., Loke, E. and du Buf, H. (2000) Segmentation of 3D data. Tecno Visao, EST/UALG, No. 10, pp 5-8 (in Portuguese).
  4. Rodrigues, J. and du Buf, H. (1999) Segmentation of acoustic images. Tecno Visao, EST/UALG, No. 9, pp 19-22 (in Portuguese).
  5. du Buf, Hans (1998) A new 2D Gabor filter set design. Technical Report UALG-AMOVIP-TR01 (14 pages).
  6. du Buf, J.M.H. (1990) Unsupervised texture segmentation. EPFL Supercomputing Review No. 2, pp 8-10.
  7. du Buf, J.M.H. (1987) Spatial characteristics of brightness and apparent-contrast perception. Doctoral Thesis, Eindhoven University of Technology, The Netherlands, pp 165.
  8. du Buf, J.M.H. and Roufs, J.A.J. (1985) On brightness and brightness-contrast. Contribution Annual Report 1985, Dutch Foundation for Biophysics.
  9. du Buf, J.M.H. (1985) Some experiments on detection symmetry in spatial vision. IPO Annual Progress Report 20, pp 57-64.
  10. du Buf, J.M.H. (1984) The consistency of matching and scaling methods in brightness perception. IPO (IPO = Institute for Perception Research, a collaboration between the Eindhoven University of Technology and the Philips Physics Laboratory) Annual Progress Report 19, pp 63-69.

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Conferences and workshops

  1. Farrajota, M., Rodrigues, J.M.F., du Buf, J.M.H. (2016) Human pose estimation by a series of residual auto-encoders. Subm. IbPRIA 2017.
  2. Farrajota, M., Rodrigues, J.M.F., du Buf, J.M.H. (2016) Pedestrian detection using multi-stage features in fast R-CCN. Proc. 22nd RECPAD - Portuguese Conf. on Pattern Recogn., Aveiro, Portugal, pp. 21.
  3. Farrajota, M., Rodrigues, J.M.F., du Buf, J.M.H. (2016) Human pose estimation using wide stacked hourglass networks. Proc. 22nd RECPAD - Portuguese Conf. on Pattern Recogn., Aveiro, Portugal, pp. 89.
  4. Farrajota, M., Rodrigues, J.M.F., du Buf, J.M.H. (2016) A deep neural network video framework for monitoring elderly persons. HCI Int. 2016, accepted.
  5. Terzic, K., Krishna, S., du Buf, J.M.H. (2015) A parametric spectral model for texture-based salience. Proc. GCPR (Aachen), pp. 331-342.
  6. Terzic, K., Mohammed, H.A., du Buf, J.M.H. (2015) Shape detection with nearest neighbour contour fragments. Proc. BMVC (Swansea), pp.
  7. Saleiro, M., Farrajota, M., Terzic,K., Krishna, S., Rodrigues, J.M.F, du Buf, J.M.H. (2015) Biologically inspired vision for human-robot interaction. Proc. HCI Int. (Los Angeles), pp. 505-517.
  8. Terzic, K., du Buf, J.M.H. (2014) An efficient naive Bayes approach to category-level object detection. Proc. IEEE ICIP (Paris), pp. 1658-1662.
  9. Terzic, K., Lobato, D., Saleiro, M., du Buf, J.M.H. (2014) A fast neural-dynamical approach to scale-invariant object detection. Proc. ICONIP, Kuching, Oct 2014, Springer LNCS Vol 8834, pp. 511-518.
  10. Farrajota, M., Rodrigues, J.M.F., du Buf, J.M.H. (2014) Region segregation by linking keypoints tuned to colour. Proc. Int. Conf. on Pattern Recogn. Applications and Methods, Angers, France, 6-8 March, pp. 247-254.
  11. Saleiro, M., Terzic, K., Lobato, D., Rodrigues, J.M.F., du Buf, J.M.H. (2014) Biologically inspired vision for indoor robot navigation, Int. Conf. on Image Analysis and Recognition, Vilamoura, Portugal, 22-24 Oct., accepted.
  12. Lomp, O., Terzic, K., Faubel, C., du Buf, J.M.H., Schoener, G. (2014) Instance-based object recognition with simultaneous pose estimation using keypoint maps and neural dynamics. ICANN, Hamburg, accepted.
  13. Terzic, K., Lobato, D., Saleiro, M., Martins, J., Farrajota, M., Rodrigues, J., du Buf, J. (2013) Biological models for active vision: towards a unified architecture. Proc. ICVS, St. Petersburg, July 2013, to appear.
  14. Azarfar, A., du Buf, J.M.H. (2013) A biological sound-source localization model. Proc. BioSignals: 6th Int. Conf. on Bio-inspired Systems and Signal Processing, Barcelona, Spain, pp. 333-337.
  15. du Buf, J.M.H, Terzic, K., Rodrigues, J.M.H (2013) Phase-differencing in stereo vision: solving the localisation problem. Proc. BioSignals: 6th Int. Conf. on Bio-inspired Systems and Signal Processing, Barcelona, Spain, pp. 254-263.
  16. Saleiro, S., Farrajota, M., Terzic, K., Rodrigues, J.M.F, du Buf, J.M.H (2013) A biological and realtime framework for hand gestures and head poses. Accepted for: 15th Int. Conf. on Human-Computer Interaction - Universal Access in Human-Computer Interaction Conf., Las Vegas, USA, 21-26 July.
  17. Terzic, K., du Buf, J.M.H. and Rodrigues, J.M.F. (2013) Real-time object recognition based on cortical multi-scale keypoints. Accepted for: 6th IbPRIA - Iberian Conf. on Pattern Recogn. and Image Anal., Madeira, Portugal, 5-7 June.
  18. Shahrabadi, S., Moreno, M., Jose, J., Rodrigues, J.I., Rodrigues, J.M.F., du Buf, J.M.H. (2013) Detection of indoor and outdoor stairs. Accepted for: 6th IbPRIA - Iberian Conf. on Pattern Recogn. and Image Anal., Madeira, Portugal, June 5-7. Spinger LNCS 7887, pp. 847-854.
  19. Farrajota, M., Saleiro, S., Terzic, K., Rodrigues, J.M.H, du Buf, J.M.H (2012) Multi-scale cortical keypoints for realtime hand tracking and gesture recognition. Proc. 1st Int. Worksh. on Cognitive Assistive Systems: Closing the Action-Perception Loop, in conjunction with IEEE/RSJ Int. Conf. on Intelligent Robots and Systems, Vilamoura, Portugal, 7-12 Oct., pp. 9-15 (ISBN 978-972-8822-26-2)
  20. Martins, J.A. Farrajota, M., Lam, R., Rodrigues, J.M.F, Terzic, K., du Buf, J.M.H. (2012) A disparity energy model improved by line, edge and keypoint correspondences. Proc. Europ. Conf. on Visual Perception, Alghero, Italy, 2-6 Sept, Perception Vol. 41 Suppl., pp. 76.
  21. Terzic, K., Rodrigues, J.M.F, du Buf, J.M.H. (2012) Fast and accurate multi-scale keypoints based on end-stopped cells. Proc. Europ. Conf. on Visual Perception, Alghero, Italy, 2-6 Sept, Perception Vol. 41 Suppl., pp. 97.
  22. Jose, J., Moreno, M. Pinilla-Dutoit, J., Rodrigues, J.M.F, du Buf, J.M.H. (2012) Blavigator: a navigation aid for blind persons. Proc. Europ. Conf. on Visual Perception, Alghero, Italy, 2-6 Sept, Perception Vol. 41 Suppl., pp. 99.
  23. Rodrigues, J.M.F., Martins, J., Lam, R., du Buf, J.M.H (2012) Cortical multiscale line-edge disparity model. Proc. Int. Conf. on Image Analysis and Recognition, A. Campilho and M. Kamel (Eds.), Part I, Springer LNCS 7324, Aveiro, Portugal, 25-27 June, pp. 296-303.
  24. Rodrigues, J.M.F., Lam, R., du Buf, J.M.H. (2012) Cortical 3D Face and Object Recognition Using 2D Projections. Int. J. of Creative Interfaces and Computer Graphics, Vol. 3, No 1, pp. 45-46. doi:10.4018/jcicg.2012010104.
  25. Saleiro, M., Rodrigues, J.M.F. and du Buf, J.M.H. (2012) Minimalistic Vision-based Cognitive SLAM. Proc. 4th Int. Conf. on Agents and Artificial Intelligence, Special Session on Intelligent Robotics (ICAART-SSIR2012), Vilamoura, Portugal, 6-8 Feb., Vol. 1, pp. 614-623.
  26. Jose, J., Rodrigues, J.M.F., du Buf, J.M.H. (2012) Visual navigation for the blind: path and obstacle detection. Proc. Int. Conf. on Pattern Recognition Applications and Methods (ICPRAM 2012), Vilamoura, Portugal, 6-8 Feb. Vol. 2, pp. 515-519.
  27. Martins, J.A., Rodrigues, J.M.F. and du Buf, J.M.H. (2011) Local gist vision of man-made objects. Web Proc. IV Rovereto Attention Workshop, Rovereto, Italy, 27-29 Oct. [http://events.unitn.it/en/cimec-raw2011]
  28. Martins, J.A., Rodrigues, J.M.F. and du Buf, J.M.H. (2011) Disparity energy model using a trained neuronal population. Proc. IEEE Int. Symp. on Signal Proc. and Inform. Technology (ISSPIT 2011), Bilbao, Spain, 14-17 Dec., pp. 287-292.
  29. Farrajota, M., Martins, J.A., Rodrigues, J.M.F. and du Buf, J.M.H. (2011) Disparity energy model with keypoint disparity validation. Proc. 17th Portuguese Conf. on Pattern Recognition, Porto, Portugal, 28 Oct., pp. 70-71.
  30. du Buf, J.M.H., Barroso, J., Rodrigues, J.M.F., Paredes, H., Farrajota, M., Fernandes, H., Jose, J., Teixiera, V., Saleiro, M. (2011) The SmartVision navigation prototype for blind users, JDCTA: Int. J. of Digital Content Technology and its Applications, Vol. 5, No. 5, pp. 351-361. doi:10.4156/jdcta.vol5.issue5.39
  31. Jose, J., Farrajota, M., Rodrigues, J.M.F., du Buf, J.M.H. (2011) The SmartVision local navigation aid for blind and visually impaired persons, JDCTA: Int. J. of Digital Content Technology and its Applications, Vol. 5, No. 5, pp. 362-375. doi:10.4156/jdcta.vol5.issue5.40
  32. Lam, R. and du Buf, J.M.H. (2011) Using mathematical morphology for similarity search of 3D objects. Proc. 5th Iberian Conf. on Pattern Recognition and Image Analysis, IbPRIA, Springer LNCS 6669, pp. 411-419.
  33. Lam, R. and du Buf, J.M.H. (2011) Retrieval of 3D polygonal objects based on multiresolution signatures. Proc. 7th Int. Conf. on Advances in Visual Computing, ISVC, Springer LNCS 6939, Vol. II, pp. 136-147.
  34. Rodrigues, J.M.F., Lam, R. and du Buf, J.M.H. (2011) Cortical 3D face recognition framework. Proc. V Ibero-American Symposium in Computer Graphics (SIACG11), Faro, Portugal, 1-3 June, pp. 81-87.
  35. Rodrigues, J.M.F. and du Buf, J.M.H. (2011) A cortical framework for scene categorization. Proc. Int. Conf. on Computer Vision Theory and Applications (VISAPP 2011), Vilamoura, Portugal, 5-7 March, pp. 364-371.
  36. Farrajota, M., Rodrigues, J.M.F., du Buf, J.M.H. (2011) Optical flow by multi-scale annotated keypoints: A biological approach. Proc. Int. Conf. on Bio-inspired Systems and Signal Processing (BIOSIGNALS2011), Rome, Italy, 26-29 Jan., pp. 307-315.
  37. Jose, J., Farrajota, M., Rodrigues, J.M.F. and du Buf, J.M.H. (2010) A vision system for detecting paths and moving obstacles for the blind. Proc. Int. Conf. on Software Development for Enhancing Accessibility and Fighting Info-exclusion (DSAI 2010), Oxford, UK, 25-26 Nov., pp. 175-182.
  38. du Buf, J.M.H., Barroso, J., Rodrigues, J.M.F., Paredes, H., Farrajota, M., Fernandes, H., Jose, J., Teixiera, V., Saleiro, M. (2010) The SmartVision navigation prototype for the blind. Proc. Int. Conf. on Software Development for Enhancing Accessibility and Fighting Info-exclusion (DSAI 2010), Oxford, UK, 25-26 Nov., pp. 167-174.
  39. Saleiro, M., Rodrigues, J.M.F. and du Buf, J.M.H. (2010) Cognitive robotics: a new approach to simultaneous localisation and mapping. Proc. 16th Portuguese Conf. on Pattern Recogn. (RECPAD2010), Vila Real, Portugal, Oct. 29, 2 pp.
  40. de Sousa, R.J.R., Rodrigues, J.M.F., du Buf, J.M.H. (2010) Recognition of facial expressions by cortical multi-scale line and edge coding. Proc. Int. Conf. Image Analysis and Recognition (ICIAR2010), Povoa de Varzim, Portugal, 21-23 June, Springer LNCS 6111, pp. 415-424.
  41. Castells, D., Rodrigues, J.M.F., du Buf, J.M.H. (2010) Obstacle detection and avoidance on sidewalks. Submitted to: Int. Conf. on Computer Vision Theory and Applications (VISAPP2006), Angers, France, 17-21 May.
  42. Farrajota, M., Rodrigues, J. and du Buf, J.M.H. (2009) Multi-scale keypoint annotation - a biological approach. Proc. 15th Portuguese Conf. on Pattern Recogn. (RECPAD2009), Aveiro, Portugal, October 23, pp. 3.
  43. Sousa, R., Rodrigues, J. and du Buf, J.M.H (2009) Correlates of facial expressions in the primary visual cortex. Proc. Bernstein Conference on Computational Neuroscience (BCCN2009), Frankfurt am Main, Germany, 30 Sept. - 2 Oct., pp. 85-86. Abstract in: Frontiers in Computational Neuroscience. doi: 10.3389/conf.neuro.10.2009.14.076.
  44. Martins, J.A., Rodrigues, J. and du Buf, J.M.H. (2009) Object segregation and local gist vision using low-level geometry. Proc. 32nd European Conference on Visual Perception (ECVP2009), Regensburg, Germany, August 24-28; Perception Vol. 38 Suppl, pp. 41-42.
  45. Saleiro, M., Rodrigues, J. and du Buf, J.M.H. (2009) Automatic hand or head gesture interface for individuals with motor impairments, senior citizens and young children. Proc. Int. Conf. on Software Development for Enhancing Accessibility and Fighting Info-exclusion (DSAI2009), Lisbon, Portugal, June 3-5, pp. 165-171.
  46. Lam, R., du Buf, J.M.H. (2009) Invariant categorization of poligonal objects using multi-resolution signatures. Proc. Int. Conf. on Knowledge Discovery and Information Retrieval, Funchal, pp. 16-173.
  47. Martins, J.A., Rodrigues, J., du Buf, J.M.H. (2009) Focus of attention and region segregation by low-level geometry. Proc. Int. Conf. Computer Vision, Theory and Applications (VISAPP2009), Lisbon, Portugal, February 5-8, Vol. 2, pp. 267-272.
  48. Martins, J.A., Rodrigues, J., du Buf, J.M.H. (2008) Region segregation and saliency using colour information. Proc. 14th Portuguese Conf. on Pattern Recogn. (RECPAD2008), Coimbra, Portugal, October 31, pp. 2.
  49. du Buf, J.M.H., Rodrigues, J. (2008) Brightness perception: one simple model explains most if not all effects. Proc. 31th European Conf. on Visual Perception (ECVP2008), Utrecht, The Netherlands, August 24-28, Perception Vol. 37 Suppl, p. 62.
  50. Rodrigues, J., Almeida, D., Martins, J.A., Lam, R., du Buf, J.M.H. (2008) An integrated framework for combining gist vision with object segregation, categorisation and recognition. Proc. 31th European Conf. on Visual Perception (ECVP2008), Utrecht, The Netherlands, August 24-28, Perception Vol. 37 Suppl, pp. 117-118.
  51. Almeida, D., Nunes, S., Carvalho, J., Brito, V., Rodrigues, J., du Buf, J.M.H. (2008) Fine arts edutainment: the amateur painter. Proc. Int. Conf. on Computer Graphics, Theory and Applications (GRAPP2008), Funchal, Portugal, January 22-25, pp. 262-267.
  52. Almeida, D., Nunes, S., Carvalho, J., Brito, V., Rodrigues, J. and du Buf, J.M.H. (2007) Fine arts edutainment: the amateur painter. Submitted to: 3rd Int. Conf. on Comp. Graphics; Theory and Applications, Jan. 2008.
  53. Cunha, J., Rodrigues, J. and du Buf, J.M.H. (2007) Face normalization using multi-scale cortical keypoints. 13a Conf. Portuguesa de Reconhecimento de Padroes.(Poster)
  54. Rodrigues, J. and du Buf, J.M.H. (2007) Invariant multi-scale object categorisation and recognition. Proc. 3rd Iberian Conf. Pattern Recogn. and Image Analysis (IbPRIA'07), Girona, Spain, June 6-8, Springer LNCS Vol. 4477, pp. 459-466.
  55. Rodrigues, J. and du Buf, J.M.H. (2006) Face recognition by cortical multi-scale line and edge representations. Proc. Int. Conf. Image Analysis and Recognition (ICIAR2006), Povoa de Varzim, Portugal, Sept. 18-20, Springer LNCS Vol. 4142, pp. 329-340.
  56. Nunes, S., Almeida, D., Brito, V., Carvalho, J., Rodrigues, J., du Buf, J.M.H. (2006) Perception-based painterly rendering: functionality and interface design. Proc. 3rd Ibero-American Symp. Computer Graphics (SIACG), Santiago de Compostela, Spain, July 5-7, P. Brunet et al. (eds), the Eurographics Association, pp. 53-60.
  57. Lam, R., Rodrigues, J. and du Buf, J. (2006) Looking through the eyes of the painter: from visual perception to non-photorealistic rendering. Proc. 14th Int. Conf. Computer Graphics, Visualization and Computer Vision (WSCG 2006), Plzen, Czech Republic, pp. 147-154. http://wscg.zcu.cz/wscg2006/wscg2006.htm
  58. Loke, R.E., Jansen, F.W. and du Buf, J. (2006) A background-priority discrete boundary triangulation method. Proc. 14th Int. Conf. Computer Graphics, Visualization and Computer Vision (WSCG 2006), Plzen, Czech Republic, pp. 61-68. http://wscg.zcu.cz/wscg2006/wscg2006.htm
  59. Rodrigues, J. and du Buf, J.M.H. (2006) Cortical object segregation and categorization by multi-scale line and edge coding. Proc. Int. Conf. Computer Vision, Theory and Applications (VISAPP2006), Setubal, Portugal, Feb. 25-28, Vol. 2, pp. 5-12.
  60. Rodrigues, J. and du Buf, J.M.H. (2006) Face segregation and recognition by cortical multi-scale line and edge coding. Proc. 6th Int. Worksh. Pattern Recogn. in Information Systems (PRIS2006), Paphos, Cyprus, May 23-24, pp. 5-14.
  61. Rodrigues, J. and du Buf, J.M.H. (2006) Face recognition by cortical multi-scale line and edge representations. Proc. Int. Conf. Image Analysis and Recognition (ICIAR2006), Povoa do Varzim, Portugal, 18-20 Sept., Springer LNCS 4142, pp. 329-340.
  62. Nunes, S., Almeida, D., Rodrigues, J., du Buf, J.M.H. (2006) Object categorisations using templates constructed from multi-scale line and edge representations. Presented at: Worksh. Visual Categorisation and Image Management Systems, Univ. of Sunderland, UK, June 28.
  63. Cardigos, F., Almeida, D., Sebastiao, L., Colaco, A., Nunes, S., Pascoal, A., du Buf, J., Santos, R.S. (2006) Quest for high-resolution mapping in deep-sea environments. Poster at: 11th International Deep-Sea Biology Symposium, Southampton, UK, 9-14 July 2006.
  64. Rodrigues, J. and du Buf, J.M.H. (2005) Multi-scale keypoints in V1 and face detection. 1st Int. Symp. Brain, Vision and Artif. Intell. (BV&AI2005), Naples, Italy, Oct. 19-21, Springer LNCS 3704, pp. 205-214.
  65. Rodrigues, J. and du Buf, J.M.H. (2005) Improved line/edge detection and visual reconstruction. Proc. 13th Portuguese Computer Graphics Meeting (13EPCG2005), Vila Real, Portugal, October 12-14, pp. 179-184.
  66. Almeida, D., Nunes, S. and du Buf, J.M.H. (2005) SeaView: a seafloor and habitat visualizer. Proc. 13th Portuguese Computer Graphics Meeting (13EPCG2005), Vila Real, Portugal, Oct. 12-15, pp. 219-222.
  67. Rodrigues, J., Almeida, D., Nunes, S., Lam R. and du Buf, J.M.H. (2005) Building the what and where systems: multi-scale lines, edges and keypoints. Proc. Worksh. Active Vision VII (7WAV2005), Univ. of Reading, UK, Sept. 12, p. 8.
  68. Lam, R., Rodrigues, J. and du Buf, J.M.H. (2005) Artistic rendering of the visual cortex. Proc. 2nd Worksh. Luso-Galaico de Artes Digitais (ARTECH2005), Vila Nova de Cerveira, Portugal, August 27, pp. 65-78.
  69. Rodrigues, J. and du Buf, J.M.H. (2005) Multi-scale keypoint hierarchy for Focus-of-Attention and object detection. 28th Europ. Conf. Visual Perception (ECVP2005), Coruna, Spain, August 22-26, Perception Vol. 34 Suppl., pp. 240.
  70. du Buf, J.M.H. (2005) Modelfest and contrast-interrelation-function data predicted by a retinal model. 28th Europ. Conf. Visual Perception (ECVP2005), Coruna, Spain, August 22-26, Perception Vol. 34 Suppl., pp. 240.
  71. Rodrigues, J. and du Buf, J.M.H. (2005) Multi-scale cortical keypoint representation for attention and object detection. Proc. 2nd Iberian Conf. Pattern Recogn. Image Analysis (IbPRIA2005), Estoril, Portugal, June 7-9, Springer LNCS 3523, pp. 255-262.
  72. Nunes, S., Almeida, D., Loke, E. and du Buf, J.M.H. (2005) Polygon optimisation for the modelling of planar range data. Proc. 2nd Iberian Conf. Pattern Recogn. Image Analysis (IbPRIA2005), Estoril, Portugal, June 7-9, Springer LNCS 3523, pp. 128-136.
  73. Rodrigues, J. and du Buf, J.M.H. (2004) A vision frontend with a new disparity model. Oral presentation at the Early Cognitive Vision Workshop ECOVISION, Isle of Skye, Scotland, 28/5 to 1/6, pp 7.
  74. Rodrigues, J. and du Buf, J.M.H. (2004) Visual cortex frontend: integrating lines, edges, keypoints and disparity, Proc. Int. Conf. on Image Analysis and Recognition (ICIAR2004), Porto, Portugal, 29 Sept. - Oct. 1, Springer LNCS 3211, pp. 664-671.
  75. Loke, R.E. and du Buf, J.M.H. (2004) Small CPU times and fast interactivity in sonar seabottom surveys. Proc. 2nd Int. Symp. on 3DPVT (3D Data Processing, Visualization, and Transmission), Thessaloniki, Greece, Sept. 6-9, CDROM.
  76. P.-M. Sarradin, J. Sarrazin, J.F. Cadiou, K. Olu, D. Desbruyeres, V. Rigaud, J.F. Drogou, F. Lecornu, J.F. Rolin, R. Vuillemin, M.A. Cambon-Bonavita, E. Sauter, K. von Juterzenka, A. Boetius, R. Serrao Santos, A. Colaco, A. Pascoal, P. Oliveira, B. Shillito, F. Zal, A. Schultz, P. Taylor, D. Lane, R.E. Loke, H. du Buf, C. Waldmann, A. Cormack, L. Sanfilippo, M. Masson (2004) EXtreme ecosystem studies in the deep OCEan: Technological Developments. Proc. 14th Int. Offshore and Polar Engineering Conf., Toulon, France, May 23-28, Vol I, pp 738-746, ISBN 1-880653-62-1, CDROM.
  77. P.-M. Sarradin, J. Sarrazin, K. Olu, E. Sauter, R. Serrao Santos, A. Pascoal, B. Shillito, F. Zal, A. Schultz, D. Lane, H. du Buf, C. Waldmann, A. Cormack, L. Sanfilippo, M. Masson (2004) Extreme ecosystem studies in the deep ocean: technological developments. Eurocean 2004, Galway, Ireland, May 10-13.
  78. Loke, R.E. and du Buf, J.M.H. (2003) Segmentation of range images in a quadtree. 1st Iberian Conf. on Pattern Recogn. and Image Analysis (IbPRIA), Mallorca, Spain. Springer LNCS Vol 2652, pp 428-436.
  79. Oliveira, P. and du Buf, H. (2003) SPMD image processing on Beowulf clusters: directives and libraries. Workshop on parallel and distributed image processing, video processing, and multimedia (PDIVM'03); IEEE Int. Parallel and Distributed Processing Symp (IPDPS), Nice, France, April 22-26 (pdf on IEEE server).
  80. du Buf, H. (2003) High-cost cortical image processing on low-cost clusters. Proc. Symp. on Biologically-inspired machine vision, AISB (Artificial Intelligence and Stimulation of Behaviour) Convention, Univ. of Wales, Aberystwyth, April 7-11, pp 114-127.
  81. Loke, R.E. and du Buf, H. (2003) Interactively visualizing 18-connected object boundaries in huge data volumes. 11th Int. Conf. Discrete Geometry for Computer Imagery, Naples. Springer LNCS Vol. 2886, pp 544-553.
  82. Santos, L.M. and du Buf, J.M.H. (2002) Pattern detection using cortical cell models. 12th RECPAD (Portuguese pattern recognition conf.), Aveiro, June 27-28. 6 pages, only on CDROM.
  83. Loke, R.E. and du Buf, J.M.H. (2002) Diatom contour classification by curvature of convex and concave segments. 12th RECPAD (Portuguese pattern recognition conf.), Aveiro, June 27-28. 6 pages, only on CDROM
  84. du Buf, J.M.H. and Bobinger, U. (2002) In search of the Holy Grail: a unified spatial detection model. 25th European Conf. on Visual Perception, Glasgow, August 25-29. Perception Vol 31, Supplement, pp 137.
  85. Loke, R.E., Bayer, M.M., Mann, D.G. and du Buf, J.M.H. (2002) Diatom recognition by convex and concave contour curvature. Proc. MTS/IEEE Conf. OCEANS'02, Biloxi, Mississippi, Oct. 28-31, pp 2457-2465..
  86. Santos, L.M. and du Buf, J.M.H. (2002) Computational cortical cell models for continuity and texture. Presented at: Biologically Motivated Computer Vision Workshop 2002, Tuebingen, November 22-24.
  87. Loke, R. and du Buf, J.M.H. (2001) Highlighting pipelines offshore Norway: visualization and quantitative analisis. Proc. MTS/IEEE Conf. Oceans 2001, Honolulu (Hawaii), Nov 6-8, pp 2688-2695.
  88. Lam, R., Loke, R. and du Buf, H. (2001) Smoothing and reduction of triangle meshes. Proc. 10th Portuguese Computer Graphics Meeting, Lisbon, pp 97-105 (in Portuguese).
  89. Bayer, M., Pullan, M., Mann, D., Juggins, S., Ciobanu, A., Santos, L., du Buf, H., Fischer, S., Bunke, H., Wilkinson, M., Roerdink, J., Pech-Pacheco, J., Cristobal, G., Cirimele, V. and Ludes, B. (2001) ADIAC: Using computer vision technology for automatic diatom identification. Proc. 16th Int. Diatom Symp., A. Economou-Amilli (ed.), Univ. of Athens, Greece, pp 537-562.
  90. Santos, L. and du Buf, H. (2001) Improved grating and bar cell models. Proc. 7th Neural Computing in Psychology Worksh., Brighton, Sept 17-19. (book in print)
  91. du Buf, J.M.H. and Rodrigues, J. (2000) Simple brightness models with lowpass and Gabor filters. 23rd ECVP, Groningen, The Netherlands, August 28-30, Perception Vol. 29 Suppl 52c.
  92. Rodrigues, J., Loke, R.E. and du Buf, J.M.H. (2000) Fast segmentation of 3D data using an octree. Proc. 11th Portuguese Conf. on Pattern Recogn. RECPAD, Porto, May 11-12, pp 185-189.
  93. Loke, R.E., Lam, R. and du Buf, J.M.H. (2000) Fast segmentation of sparse 3D data by interpolating segmented boundaries in an octree. Proc. 11th Portuguese Conf. on Pattern Recogn. RECPAD, Porto, May 11-12, pp 431-433.
  94. du Buf, J.M.H. et al. (2000) ADIAC: diatoms go digital. EurOCEAN2000, Hamburg, 29 August - 2 Sept, Project Synopses, 5 pages.
  95. Ciobanu, A., Shahbazkia, H. and du Buf, H. (2000) Contour profiling by dynamic ellipse fitting. Proc. 15th ICPR, Barcelona, Spain, September 3-8, Vol. 3, pp 758-761.
  96. Jiang, X., Bowyer, K., Morioka, Y., Hiura, S., Sato, K., Inokuchi, S., Bock, M., Guerra, C., Loke, R.E. and du Buf, J.M.H. (2000) Some further results of experimental comparison of range image segmentation algorithms. Proc. 15th ICPR, Barcelona, Spain, September 3-8, Vol. 4, pp 877-881.
  97. Loke, R.E. and du Buf, J.M.H. (2000) Sonar object visualization in an octree. Proc. MTS/IEEE Conf. OCEANS 2000, Providence, Rhode Island (USA), Sept. 11-14, pp 2067-2073.
  98. Loke, R.E. and du Buf, J.M.H. (1999) Fast interpolation, segmentation and visualization of 3D sonar seabottom data by using tree structures. Proc. MTS/IEEE Conf. OCEANS'99, Seattle, WN (USA), Sept 13-16, Vol 3, pp 1571-1576.
  99. Reed, T.R, Loke, R.E. and du Buf, J.M.H. (1999) The analysis of underwater acoustic data via 3D segmentation. Proc. 33rd Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, Ca (USA), Oct. 24-27, Vol 1, pp 49-52.
  100. du Buf, H., Bayer, M., Droop, S., Head, R., Juggins, S., Fischer, S., Bunke, H., Wilkinson, M., Roerdink, J., Pech-Pacheco, J., Cristobal, G., Shahbazkia, H. and Ciobanu, A. (1999) Diatom identification: a double challenge called ADIAC. Proc. ICIAP'99 Conf., Venice, Italy, Sept 27-29, pp 734-739.
  101. Keil, M., Cristobal, G., Escalante, B., du Buf, H. and Pessoa, L. (1999) AMOVIP: advanced modeling of visual information processing. Proc. ICIAP'99 Conf., Venice, Italy, Sept 27-29, pp 1208-1213.
  102. du Buf, J.M.H. et al. (total 18 authors) (1999) ADIAC: Automatic diatom identification and classification. 1st Meeting Silicofossil Group, British Micropalaeontological Society, Bath (UK), Sept 8.
  103. du Buf, J.M.H. et al. (total 18 authors) (1999) ADIAC: Automatic diatom identification and classification. Europ. Phycological Congress 2, Montecatini Terme, Italy, Sept 20-26.
  104. Loke, R.E., Lam, R., Rotaru, F. and du Buf, J.M.H. (1999) Improving 3D visualisation interactivity by using octrees. Proc. Workshop on Medical Imaging, Aveiro (Portugal), Oct. 15, pp 19-22. Also published in: Journal of the Dept. of Electronics and Telecomm., Univ. of Aveiro, Vol. 3, No. 2, pp 167-172.
  105. du Buf, H., Bunke, H., Droop, S., Roerdink, J., Juggins, S., Cristobal, G. and Ludes, B. (1998) Automatic diatom identification and classification. 3rd Europ. Marine Science and Technology Conf., Lisbon, May 23-27, K.-G.\ Barthel et al. (eds), Project Synopses Vol. III, pp 1071-1074.
  106. Loke, R.E. and du Buf, J.M.H. (1998) Volumetric processing of underwater acoustic data. Proc. MTS/IEEE Conf. OCEANS'98, Nice, 28 Sept - 1 Oct, pp 742-747.
  107. Nikolov, S.G., Loke, E. and du Buf, J.M.H. (1997) Interactive 3-D visualisation of sonar data using VRML. Proc. Int. Workshop on Synthetic-Natural Hybrid Coding and Three Dimensional Imaging, Rhodes, Greece, Sept 5-9, pp 36-39.
  108. van Deemter, J.H. and du Buf, J.M.H. (1995) Edge and line detection using the phase of Gabor wavelets. Proc. 2nd Pamonop Workshop, J.H. van Deemter and J.M.H. du Buf (eds), Faro, November 24-26, pp 47-60.
  109. du Buf, J.M.H. and Fischer, S. (1994) The role of syntactical processing in brightness perception. 4th Int. Conf. on Visual Search, Eindhoven, The Netherlands, 29 Aug - 1 Sept. (book never appeared)
  110. du Buf, J.M.H. and Fischer, S. (1994) Modeling spatial brightness by syntactical summation. 17th ECVP, Eindhoven, The Netherlands, Sept 4-8. Perception Vol. 23, Suppl. 106c.
  111. du Buf, J.M.H. and Heitger, F. (1994) A neural network for detecting symmetry orders. 7th ICIAP in Bari (Italy). Progress in Image Analysis III, S. Impedovo (ed.), World Scientific, pp 669-672.
  112. du Buf, J.M.H. and Fischer, S. (1993) Syntactical visual analysis and reconstruction. Proc. BMT Conference Biomedical Engineering 93, University of Graz, Austria, Sept 16-18, Vol. 38, pp 105-106.
  113. Bigun, J. and du Buf, J.M.H. (1992) Texture segmentation by real and complex moments of the Gabor power spectrum. In: Progress in Image Analysis and Processing II, V. Cantoni et al. (eds), World Scientific, Singapore, pp 191-198.
  114. Bigun, J. and du Buf, J.M.H. (1992) Geometric image primitives by complex moments in Gabor space and the application to texture segmentation. Proc. IEEE CS Conference CVPR-92, Champaign, Ill., June 15-18, pp 648-650.
  115. du Buf, J.M.H. and Bigun, J. (1992) Unsupervised image segmentation: visible progress in chasing a chimera. Proc. 1st Swiss Symp. on Pattern Recognition and Computer Vision, J. Bigun and J.M.H. du Buf (eds), Lausanne, Jan. 30-31, pp 107-118.
  116. du Buf, J.M.H. (1992) Ambiguities in Gabor space. Presented at the Third Int. Conf. on Visual Search, Univ. of Nottingham, U.K., 24-27 August 1992.
  117. du Buf, J.M.H. (1992) Limits of line and edge detection. 15th ECVP, Pisa, Italy, 30 August - 3 Sept 1992, see Perception Vol 21, Suppl. A98.
  118. du Buf, J.M.H. (1992) Lowpass channels and White's effect. 15th ECVP, Pisa, Italy, 30 August - 3 Sept. 1992, see Perception Vol 21, A80.
  119. du Buf, J.M.H. and Bigun, J. (1991) Gabor space and texture segmentation. N3AV: ESPRIT-BRA Workshop on Neural networks in natural and artificial vision. Chamrousse (France), Jan. 29-30, pp 37-42.
  120. Campbell, T.G. and du Buf, J.M.H. (1990) A quantitative comparison of median-based filters. Visual Communications and Image Processing '90, SPIE Vol. 1360, pp 176-187.
  121. du Buf, J.M.H. (1989) Towards unsupervised texture segmentation using Gabor spectral decomposition. 5th Int. Conf. on Image Analysis and Processing, Positano, Italy, September 20-22, pp 65-72.
  122. du Buf, J.M.H. and Roufs, J.A.J. (1986) Spatial characteristics of brightness and apparent-contrast perception. Perception Vol. 15, Suppl. A35 (9th ECVP, Bad Nauheim, FRG).
  123. du Buf, J.M.H. and Roufs, J.A.J. (1985) Brightness-contrast: brightness versus apparent contrast. Perception Vol. 14, Suppl. A26 (8th ECVP = European Conference on Visual Perception, Peniscola, Spain).

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Journals

  1. Saleiro, M., Terzic, K., Rodrigues, J.M.F., du Buf, J.M.H. (2016) BINK: Biological binary keypoint descriptor. Subm. BioSystems.
  2. Terzic, K., Rodrigues, J.M.F., du Buf, J.M.H. (2015) BIMP: A real-time biological model of multi-scale keypoint detection in V1. Neurocomputing, vol 150, pp. 227-237.
  3. Farrajota, M., Rodrigues, J.M.F., du Buf, J.M.H. (2015) Bio-inspired pedestrian detection and tracking. Int. J. Business and Management Study - IJBMS, vol 2, issue 2, ISSN: 2372-3955, pp. 409-414.
  4. Martins, J.A., Rodrigues, J.M.F., du Buf, J.M.H. (2015) Luminance, colour, viewpoint and border enhanced disparity energy model. PLoS ONE 10(6): e0129908. doi:10.1371/journal.pone.0129908
  5. Martins, J.A., Rodrigues, J.M.F., du Buf, J.M.H. (2015) Proto-object categorisation and local gist vision using low-level spatial features. BioSystems, vol 135, pp 35-49. doi:10.1016/j.biosystems.2015.07.001
  6. Martins, J.A., Lam, R., Rodrigues, J.M.F., du Buf, J.M.H. (2016) Expression-invariant face recognition using a biological disparity energy model. Submitted: Neurocomputing.
  7. Terzic, K., Krishna, S., du Buf, J.M.H. (2016) Texture features for object salience. Submitted: Image Vision Computing.
  8. Serrao, M., Rodrigues, J.M.F. and du Buf, J.M.H. (2014) Navigation framework using visual landmarks and a GIS. Procedia Computer Science, Vol. 27, pp. 28-37. doi: 10.1016/j.procs.2014.02.005
  9. Moreno, M., Shahrabadi, S., Jose, J., du Buf, J.M.H. and Rodrigues, J.M.F. (2012) Realtime local navigation for the blind: detection of lateral doors and sound interface. Procedia Computer Science Vol. 14, pp. 74-82. doi:10.1016/j.procs.2012.10.009
  10. Serrao, M., Rodrigues, J.M.F., Rodrigues, J.I. and du Buf, J.M.H (2012) Indoor localization and navigation for blind persons using visual landmarks and a GIS. Procedia Computer Science, Vol. 14, pp. 65-73. doi:10.1016/j.procs.2012.10.008
  11. Serrao, M., Shahrabadi, S., Moreno, M., Jose, J., Rodrigues, J.I., Rodrigues, J.M.F., du Buf, J.M.H. (2013) Computer vision and GIS for the navigation of blind persons in buildings. Int. J. Universal Access in the Information Society. doi:10.1007/s10209-013-0338-8
  12. Martins, J.A., Rodrigues, J.M.F., du Buf, J.M.H. (2012) Local object gist: meaningful shapes and spatial layout at a very early stage of visual processing. Gestalt Theory, Vol. 34 (3-4), pp. 349-380.
  13. du Buf, J.M.H., Barroso, J., Rodrigues, J.M.F., Paredes, H., Farrajota, M., Fernandes, H., Jose, J., Teixiera, V., Saleiro, M. (2011) The SmartVision navigation prototype for blind users. Int. J. of Digital Content Technology and its Applications (JDCTA), Vol. 5 (5), pp. 351-361.
  14. Jose, J., Farrajota, M., Rodrigues, J.M.F., du Buf, J.M.H. (2011) The SmartVision local navigation aid for blind and visually impaired persons. Int. J. of Digital Content Technology and its Applications (JDCTA), Vol. 5 (5), pp. 362-375.
  15. Rodrigues, J. and du Buf, J.M.H. (2009) Multi-scale lines and edges in V1 and beyond: brightness, object categorization and recognition, and consciousness. BioSystems, Vol. 95, pp. 206-226. doi:10.1016/j.biosystems.2008.10.006.
  16. Rodrigues, J. and du Buf, J.M.H. (2009) A cortical framework for invariant object categorization and recognition. Cognitive Processing 10 (3), pp. 243-261. doi: 10.1007/s10339-009-0262-2.
  17. Rodrigues, J. and du Buf, J.M.H. (2007) Image morphology: from perception to rendering. Image - J. of Interdisciplinary Image Science, Special edition: Computational Visualistics and Picture Morphology, Vol. 5, pp 19. http://www.bildwissenschaft.org/VIB/journal/
  18. du Buf, J.M.H. (2007) Improved grating and bar cell models in cortical area V1 and texture coding. Image and Vision Computing, Vol. 25, pp. 873-882. doi:10.1016/j.imavis.2006.06.005
  19. du Buf, J.M.H., Rodrigues, J., Nunes, S., Almeida, D., Brito, V., Carvalho, J. (2006) Painterly rendering using human vision. VIRTUAL, Advances in Computer Graphics AICG'06, pp. 12. http://virtual.inesc.pt
  20. Rodrigues, J. and du Buf, J.M.H. (2006) Multi-scale keypoints in V1 and beyond: object segregation, scale selection, saliency maps and face detection. BioSystems, Vol. 86, pp. 75-90. doi:10.1016/j.biosystems.2006.02.019
  21. Loke, R.E. and du Buf, J.M.H. (2004) Quadtree-guided 3D interpolation of irregular sonar data sets. IEEE J. of Oceanic Engineering 29/2, pp 457-471.
  22. Loke, R.E. and du Buf, J.M.H. (2004) 3D data segmentation by means of adaptive boundary refinement in an octree. Submitted to: Pattern Recognition (2nd version).
  23. Loke, R.E. and du Buf, J.M.H. (2004) Linking matched cubes: efficient triangulation of 18-connected object boundaries. Submitted to: The Visible Computer (2nd version).
  24. Loke, R.E., du Buf, J.M.H., Bayer, M.M. and Mann, D.G. (2004) Diatom classification in ecological applications. Pattern Recognition 37/6, pp 1283-1285.
  25. Mann, D.G., McDonald, S.M., Bayer, M.M., Droop, S.J.M., Chepurnov, V.A., Loke, R.E., Ciobanu, A. and du Buf, J.M.H. (2004) The Sellaphora pupula model species complex (Bacillariophyceae): morphometric analysis, ultrastructure and mating data provide evidence for five new species. Phycologia 43 (4), 459-482.
  26. van Deemter, J.H. and du Buf, J.M.H. (2000) Simultaneous detection of lines and edges using compound Gabor filters. Int. J. Pattern Recogn. and Artif. Intelligence 14, pp 757-777.
  27. Bigun, J. and du Buf, J.M.H. (1994) N-folded symmetries by complex moments in Gabor space and their application to unsupervised texture segmentation. IEEE Trans. Pattern Analysis and Machine Intelligence, PAMI-16, pp 80-87.
  28. du Buf, J.M.H. and Fischer, S. (1995) Modeling brightness perception and syntactical image coding. Optical Engineering 34, pp 1900-1911.
  29. du Buf, J.M.H. (1994) Ramp edges, Mach bands, and the functional significance of the simple cell assembly. Biol. Cybernet. 70, pp 449-461.
  30. du Buf, J.M.H. (1993) Responses of simple cells: events, interferences, and ambiguities. Biol. Cybernet. 68, pp 321-333.
  31. Bigun, J. and du Buf, J.M.H. (1993) Symmetry interpretation of complex moments and the local power spectrum. Journal of Visual Communication and Image Representation 6, pp 154-163.
  32. Reed, T.R. and du Buf, J.M.H. (1993) A survey of recent texture feature extraction and segmentation techniques. Computer Vision, Graphics, and Image Processing: Image Understanding 57, pp 359-372.
  33. Bigun, J., du Buf, J.M.H., and Raboisson, S. (1993) Unsupervised segmentation of aerial images. Revue Technique Thomson-CSF 25, pp 193-211.
  34. du Buf, J.M.H. (1992) Abstract processes in texture discrimination. Spatial Vision 6, pp 221-242.
  35. du Buf, J.M.H. (1992) Modeling spatial vision at the threshold level. Spatial Vision 6, pp 25-60.
  36. du Buf, J.M.H. (1992) Brightness versus apparent contrast 1: Incremental and decremental disks with varying diameter. Spatial Vision 6, pp 159-182.
  37. du Buf, J.M.H. (1992) Brightness versus apparent contrast 2: Large-field asymmetry. Spatial Vision 6, pp 243-263.
  38. du Buf, J.M.H. (1992) Brightness versus apparent contrast 3: Blurred disks and concentric cosine gratings. Spatial Vision, 6, pp 265-284.
  39. du Buf, J.M.H. and Heitkamper, P. (1991) Texture features based on Gabor phase, Signal Processing 23, pp 227-244.
  40. du Buf, J.M.H. (1991) Detection symmetry and asymmetry. Spatial Vision 5, pp 189-203.
  41. du Buf, J.M.H. (1990) Gabor phase in texture discrimination. Signal Processing 21, pp 221-240.
  42. du Buf, J.M.H., Spann, M. and Kardan, M. (1990) Texture feature performance for image segmentation. Pattern Recognition 23, pp 291-309.
  43. du Buf, J.M.H. and Campbell, T.G. (1990) A quantitative comparison of edge-preserving smoothing techniques. Signal Processing 21, pp 289-301.
  44. Spann, M., Horne, C. and du Buf, J.M.H. (1989) The detection of thin structures in images. Pattern Recognition Letters 10, pp 175-179.

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