Image Motion Sensing, Estimation and Analysis (1991-)

C. Colombo, A. Del Bimbo, and S. Santini, "A multilayer massively parallel architecture for optical flow computation". In Proceedings 11th IAPR International Conference on Pattern Recognition ICPR'92 , The Hague, The Netherlands, August-September 1992, pp. 209-213, IEEE 1992.

F. Bartolini, V. Cappellini, C. Colombo, and A. Mecocci, "Multiwindow least squares approach to the computation of optical flow with discontinuities". Optical Engineering - The Journal of SPIE, 32(6):1250-1256, SPIE 1993.

F. Bartolini, V. Cappellini, C. Colombo, and A. Mecocci, "Enhancement of local optic flow techniques". In Proceedings 4th International Workshop on Time-Varying Image Processing and Moving Object Recognition TVIP'93 , Florence, Italy, June 1993, pp. 359-366, Elsevier 1994.

C. Colombo, A. Del Bimbo, and S. Santini, "Optical flow by nonlinear relaxation". Pattern Recognition, 28(7):977-988, Pergamon 1995.

C. Colombo, M. Rucci, and P. Dario, "Integrating selective attention and space-variant sensing in machine vision". In J.L.C. Sanz, ed., Image Technology - Advances in Image Processing, Multimedia and Machine Vision , Chapter 3, pp. 109-127, Springer 1996.

C. Colombo, B. Allotta, and P. Dario, "Affine visual servoing: a framework for relative positioning with a robot". In Proceedings IEEE International Conference on Robotics and Automation ICRA'95 , Nagoya, Japan, May 1995, pp. 464-471, IEEE 1995.

C. Colombo and A. Del Bimbo, "Interacting through eyes". Robotics and Autonomous Systems, 19(3-4):359-368, Elsevier 1997.

C. Colombo, G. Baldi, and A. Del Bimbo, "Contapersone non intrusivo per autobus con tecniche di computer vision". Technical Note, Università di Firenze, Dipartimento di Sistemi e Informatica, March 1998. (In Italian.)

C. Colombo and B. Allotta, "Image-based robot task planning and control using a compact visual representation". IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans , 29(1):92-100, IEEE 1999.

G. Baldi, C. Colombo, and A. Del Bimbo, "A compact and retrieval-oriented video representation using mosaics". In Proceedings 3rd International Conference on Visual Information Systems VISual99, Amsterdam, The Netherlands, June 1999, pp. 171-178, Springer LNCS 1999.

C. Colombo and A. Del Bimbo, "Real-time head tracking from the deformation of eye contours using a piecewise affine camera". Pattern Recognition Letters , 20(7):721-730, Elsevier 1999.

F. Bellavia and C. Colombo, "Rethinking the sGLOH descriptor". IEEE Transactions on Pattern Analysis and Machine Intelligence, 40(4):931-944, IEEE 2018.

F. Bellavia and C. Colombo, "An evaluation of recent local image descriptors for real-world applications of image matching".  In Proceedings 16th International Conference on Machine Vision Applications MVA 2019, Tokyo, Japan, May 2019, IEEE 2019. (Open access.) 

F. Bellavia and C. Colombo, "RootsGLOH2: embedding RootSIFT `square rooting' in sGLOH2". IET Computer Vision, special issue on "Local Image Descriptors in Computer Vision", 14(4):138-143, IET 2020.

F. Bellavia and C. Colombo, "Is there anything new to say about SIFT matching?". International Journal of Computer Vision, 128(7):1847-1866, Springer 2020.

C. Colombo, "Time to collision from a natural perspective". Technical Report No. RT-199703-11, Università di Brescia, Dipartimento di Elettronica per l'Automazione, April 1997.

C. Colombo and A. Del Bimbo, "Generalized bounds for time to collision from first-order image motion". In Proceedings 7th IEEE International Conference on Computer Vision ICCV'99, Corfu, Greece, September 1999, pp. 220-226, IEEE 1999.

C. Colombo, "Time to collision from first-order spherical image motion". Robotics and Autonomous Systems, 31(1-2):5-15, Elsevier 2000.

Robot Visuo-Motor Coordination (1992-)

Robot Perception and Architectures

C. Colombo, M. Rucci, and P. Dario, "Attentive behavior in an anthropomorphic robot vision system". Robotics and Autonomous Systems , 12:121-131, Elsevier 1994.

C. Colombo, M. Rucci, and P. Dario, "Integrating selective attention and space-variant sensing in machine vision". In J.L.C. Sanz, ed., Image Technology - Advances in Image Processing, Multimedia and Machine Vision , Chapter 3, pp. 109-127, Springer 1996.

C. Colombo, "Visione artificiale dinamica e interazione robot-ambiente". PhD Thesis, February 1996. (In Italian.)

B. Allotta, A. Caiti, M. Cocco, C. Colombo, W. Daviddi, L. Gualdesi, D. La Monica, and O. Salvetti. "THESAURUS: A marine robotics project for archaeological applications". In Proceedings Workshop on Marine Robotics, 15th International Conference on Advanced Robotics ICAR 2011, Tallinn, Estonia, June 2011 (On CD-ROM).

 

C. Colombo, B. Allotta, and P. Dario, "Affine visual servoing: a framework for relative positioning with a robot". In Proceedings IEEE International Conference on Robotics and Automation ICRA'95 , Nagoya, Japan, May 1995, pp. 464-471, IEEE 1995.

C. Colombo and J.L. Crowley, "Uncalibrated visual tasks via linear interaction". In Proceedings 4th European Conference on Computer Vision ECCV'96, Cambridge, England, April 1996, pp. (II)583-592, Springer LNCS 1996.

C. Colombo and B. Allotta, "Image-based robot task planning and control using a compact visual representation". IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans , 29(1):92-100, IEEE 1999.

B. Allotta and C. Colombo, "On the use of linear camera-object interaction models in visual servoing". IEEE Transactions on Robotics and Automation , 15(2):350-357, IEEE 1999.

F. Conticelli, B. Allotta, and C. Colombo, "Hybrid visual servoing: A combination of nonlinear control and linear vision". Robotics and Autonomous Systems, 29:243-256, Elsevier 1999.

B. Allotta, C. Colombo, F. Bertocci, L. Scarselli, M. Sgarbi, G. Bioli and V. Colla, "A system based on stereo vision for unpacking pieces of wood with an industrial robot". In Proceedings 1st International Workshop on Advances in Service Robotics ASER 2003, Bardolino, Italy, March 2003, pp. 1448-1457, Fraunhofer  IRB 2003.

D. Fioravanti, C. Colombo, and B. Allotta, "Self-calibrated visual servoing with respect to axial-symmetric 3D objects". Robotics and Autonomous Systems, 57(4):451-459, Elsevier 2009.

B. Allotta, A. Caiti, M. Cocco, C. Colombo, W. Daviddi, L. Gualdesi, D. La Monica, and O. Salvetti. "THESAURUS: A marine robotics project for archaeological applications". In Proceedings Workshop on Marine Robotics, 15th International Conference on Advanced Robotics ICAR 2011, Tallinn, Estonia, June 2011 (On CD-ROM).

B. Allotta, A. Caiti, M. Cocco, C. Colombo, W. Daviddi, L. Gualdesi, D. La Monica, D. Moroni, G. Pieri, O. Salvetti and M Tampucci, "THESAURUS: techniques for underwater exploration and archaeology through swarms of autonomous vehicles". In Proceedings 12th International Symposium on Virtual Reality, Archaeology and Cultural Heritarge VAST 2011, Prato, Italy, October 2011, pp. 13-16, Eurographics Association 2011.

B. Allotta, R. Costanzi, A. Ridolfi, C. Colombo, F. Bellavia, M. Fanfani et al., "The ARROWS project: Adapting and developing robotics technologies for underwater archaeology". In  Proceedings IFAC Workshop on Navigation and Control of Underwater Vehicles NGCUV 2015, Girona, Spain, April 2015, pp. 194-199, Elsevier 2015.

F. Bellavia, M. Fanfani, F. Pazzaglia, C. Colombo, R. Costanzi, N. Monni, A. Ridolfi and B. Allotta, "Piecewise planar underwater mosaicing". In Proceedings MST/IEEE International Conference Oceans '15, Genoa, Italy, May 2015, pp. 1-7, IEEE 2015.

F. Bellavia, M. Fanfani, and C. Colombo, "Selective visual odometry for accurate AUV localization". Autonomous Robots, 41(1):133-143, Springer 2017.

Human-Machine Visual Interaction (1994-)

C. Colombo, S. Andronico, and P. Dario, "Prototype of a vision-based gaze-driven man-machine interface". In Proceedings IEEE/RSJ International Conference on Intelligent Robots and Systems IROS'95 , Pittsburgh, U.S.A., August 1995, pp. 188-192, IEEE 1995.

C. Colombo and A. Del Bimbo, "Visual interpretation of gaze pointing actions for interaction with 2D/3D graphic environments". Technical note, Università di Firenze, Italy, Dipartimento di Sistemi e Informatica, November 1996.

C. Colombo and A. Del Bimbo, "Interacting through eyes". Robotics and Autonomous Systems, 19(3-4):359-368, Elsevier 1997.

C. Colombo, A. Del Bimbo, and S. De Magistris, "Interfacing through visual pointers". In R. Cipolla and A.P. Pentland, eds., Computer Vision in Human-Machine Interaction, Chapter 8, pp. 135-153, Cambridge University Press 1998.

C. Colombo and A. Del Bimbo, "Real-time head tracking from the deformation of eye contours using a piecewise affine camera". Pattern Recognition Letters , 20(7):721-730, Elsevier 1999.

C. Colombo, D. Comanducci, and A. Del Bimbo, "Robust tracking and remapping of eye appearance with passive computer vision". ACM Transactions on Multimedia Computing, Communications, and Applications, 3(4):1-20, ACM Press 2007.

G. Baggiani, C. Colombo and A. Del Bimbo, "Advanced man-machine interface for cultural heritage". In Proceedings 2001 International Conference on Image Processing ICIP 2001, Thessaloniki, Greece, October 2001, pp. 582-585, IEEE 2001.

C. Colombo, A. Del Bimbo and A. Valli, "Visual capture and understanding of hand pointing actions in a 3D environment". IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics, 33(4):677-686, IEEE 2003.

C. Colombo, A. Del Bimbo and A. Valli, "A real-time full body tracking and humanoid animation system". Parallel Computing, 34(12):718-726, Elsevier 2008. 

Image and Video Analysis, Representation and Retrieval (1996-)

C. Colombo and A. Del Bimbo, "Color-induced image representation and retrieval". Pattern Recognition, 32(10):1685-1695, Pergamon 1999.

C. Colombo, A. Del Bimbo, and P. Pala, "Semantics in visual information retrieval". IEEE Multimedia, 6(3):38-53, IEEE 1999.

C. Colombo and A. Del Bimbo, "Visible image retrieval". In L. Bergman and V. Castelli, eds., Image Databases, Search and Retrieval of Digital Imagery, Chapter 2, pp. 11-33, Wiley 2002.

C. Colombo, A. Del Bimbo and P. Pala, "3D image databases: Acquisition and retrieval by content". In Proceedings 4th International Workshop on Multimedia Information Retrieval MIR 2002, special session on Multimedia Content-Based Retrieval for Cultural Heritage Applications , Juan-les-Pins, France, December 2002, ACM 2002.

A. Nardi, D. Comanducci, and C. Colombo, "Augmented vision: Seeing beyond field of view and occlusions via uncalibrated visual transfer from multiple viewpoints". In Proceedings 15th Irish Machine Vision and Image Processing Conference IMVIP 2011, Dublin, Ireland, September 2011, pp. 42-48, IEEE 2011 (Best paper award.)

C. Colombo, A. Del Bimbo, and P. Pala, "Retrieval of commercials by video semantics". In Proceedings 1998 IEEE Computer Society Conference on Computer Vision and Pattern Recognition CVPR'98 , Santa Barbara, California, June 1998, pp. 572-577, IEEE 1998.

G. Baldi, C. Colombo, and A. Del Bimbo, "A compact and retrieval-oriented video representation using mosaics". In Proceedings 3rd International Conference on Visual Information Systems VISual99, Amsterdam, The Netherlands, June 1999, pp. 171-178, Springer LNCS 1999.

C. Colombo, A. Del Bimbo, and P. Pala, "Semantics in visual information retrieval". IEEE Multimedia, 6(3):38-53, IEEE 1999.

C. Colombo, A. Del Bimbo, and P. Pala. "Retrieval of commercials by semantic content: The semiotics perspective". Multimedia Tools and Applications 13(1):93-118, Kluwer 2001.

M. Bertini, C. Colombo and A. Del Bimbo, "Automatic caption localization in videos using salient points". In Proceedings 1st IEEE International Conference on Multimedia & Expo ICME 2001 , Tokio, Japan, August 2001,  IEEE 2001. (On CD-ROM.)

J. Assfalg, M. Bertini, C. Colombo and A. Del Bimbo, "Semantic annotation of sports videos". IEEE Multimedia, 9(2):52-60, IEEE 2002.

C. Colombo, "Annotazione automatica di video". Notes for the national PhD course La visione delle macchine, Istituto Internazionale per gli Alti Studi Scientifici  'Eduardo R. Caianiello', Vietri sul mare (SA), Italy, November 2002. (In Italian.)

J. Assfalg, M. Bertini, C. Colombo, A. Del Bimbo and W. Nunziati, "Semantic annotation of soccer videos: automatic highlights identification". Computer Vision and Image Understanding, 92(2-3):285-305, Academic Press 2003.

D. Comanducci and C. Colombo, "Vision-Based Magnification of Corneal Endothelium Frames". In Proceedings  9th International Conference on Computer Vision Systems ICVS 2013, St. Petersburg, Russia, July 2013, pp. 52-61, Springer 2013.

F. Bellavia, M. Fanfani and C. Colombo, "Fast adaptive frame preprocessing for 3D reconstruction". In Proceedings 10th International Conference on Computer Vision Theory and Applications VISAPP 2015, Berlin, Germany, March 2015, pp. 260-267, Scitepress 2015.

D. Comanducci, F. Bellavia and C. Colombo, "Super-resolution based magnification of endothelium cells from biomicroscope videos of the cornea". Journal of Electronic Imaging, 27(4),  043029:1-14, SPIE 2018.

F. Pazzaglia and C. Colombo, "Visual Description and Recognition of Mechanical Tools with a Silhouette-based Approach". In Proceedings  21st International Conference on Pattern Recognition ICPR 2012, Tsukuba, Japan, November 2012, pp. 2549-2552, IEEE 2012.

Tridimensional Computer Vision (2000-)

 C. Colombo, A. Del Bimbo and F. Pernici, "Uncalibrated 3D metric reconstruction and flattened texture acquisition from a single view of a surface of revolution". In Proceedings 1st International Symposium on 3D Data Processing Visualization and Transmission 3DPVT 2002, Padova, Italy, June 2002, pp. 277-284, IEEE 2002.

C. Colombo, A. Del Bimbo and P. Pala, "3D image databases: Acquisition and retrieval by content". In Proceedings 4th International Workshop on Multimedia Information Retrieval MIR 2002, special session on Multimedia Content-Based Retrieval for Cultural Heritage Applications , Juan-les-Pins, France, December 2002, ACM 2002.

C. Colombo, D. Comanducci, A. Del Bimbo and F. Pernici, "Accurate automatic localization of surfaces of revolution for self-calibration and metric reconstruction". In Proceedings IEEE Workshop on Perceptual Organization in Computer Vision POCV 2004, Washington, DC, USA, June 2004, IEEE 2004. (On CD-ROM.) 

C. Colombo, A. Del Bimbo and F. Pernici, "Image mosaicing from uncalibrated views of a surface of revolution". In Proceedings 15th British Machine Vision Conference BMVC 2004, London, UK, September 2004, pp. 407-416, BMVA 2004. 

C. Colombo, A. Del Bimbo and A. Valli, "A real-time full body tracking and humanoid animation system". Parallel Computing, North-Holland 2004 (to appear).

C. Colombo, A. Del Bimbo and F. Pernici, "Metric 3D reconstruction and texture acquisition of surfaces of revolution from a single uncalibrated view". IEEE Transactions on Pattern Analysis and Machine Intelligence, 27(1):99-114, IEEE 2005.

C. Colombo, D. Comanducci, A. Del Bimbo and F. Pernici, "3D database population from single views of surfaces of revolution". In Proceedings 13th International Conference on Image Analysis and Processing ICIAP 2005, Cagliari, Italy, September 2005, pp. 834-841, Springer 2005.

C. Colombo, D. Comanducci, and A. Del Bimbo, "A desktop 3D scanner exploiting rotation and visual rectification of laser profiles". In Proceedings 2006 IEEE International Conference on Vision Systems ICVS06, New York, January 2006. (On CD-ROM.)

C. Colombo, D. Comanducci, and A. Del Bimbo, "Camera calibration with two arbitrary coaxial circles". In Proceedings 9th European Conference on Computer Vision ECCV 2006, Graz, Austria, May 2006, pp. I:265-276, Springer 2006.

C. Colombo, D. Comanducci and A. Del Bimbo, "Low-cost 3D scanning by exploiting virtual image symmetries". Journal of Multimedia, 1(7):71-76, Academy Publisher 2006.

C. Colombo, D. Comanducci, and A. Del Bimbo, "Shape reconstruction and texture sampling by active rectification and virtual view synthesis". Computer Vision and Image Understanding, 115(2):161-176, 2011.

M. Fanfani and C. Colombo, "LaserGun: a Tool for Hybrid 3D Reconstruction". In Proceedings  9th International Conference on Computer Vision Systems ICVS 2013, St. Petersburg, Russia, July 2013, pp. 274-283, Springer 2013. 

M. Fanfani, F. Bellavia, F. Pazzaglia and C. Colombo, "SAMSLAM: Simulated Annealing Monocular SLAM". In Proceedings 15th International Conference on Computer Analysis of Images and Patterns CAIP 2013, York, UK, August 2013,  pp. 515-522, Springer 2013. 

F. Bellavia, M. Fanfani, F. Pazzaglia and C. Colombo, "Robust Selective Stereo SLAM without Loop Closure and Bundle Adjustment". In Proceedings 17th International Conference on Image Analysis and Processing ICIAP 2013, Naples, Italy, September 2013,  pp. I:462-471, Springer 2013.

M. Fanfani, F. Bellavia and C. Colombo, "Accurate keyframe selection and keypoint tracking for robust visual odometry". Machine Vision and Applications, 27(6):833-844, August 2016, Springer 2016.

M. Fanfani, F. Bellavia, G. Bassetti, F. Argenti and C. Colombo, "3D Map Computation from Historical Stereo Photographs of Florence". In Proceedings International Conference on The Future of Heritage Science and Technologies Heri-Tech 2018, Florence, Italy, May 2018. IOP Conference Series: Materials Science and Engineering 364, IOP 2018. (Open access.) 

M. Fanfani and C. Colombo, "Structural Change Detection by Direct 3D Model Comparison".  In Proceedings 14th International Conference on Computer Vision Theory and Applications VISAPP 2019, Prague, Czech Republic, February 2019, pp. V:760-767, Scitepress 2019.

Vision-Based Adaptive Visualization (2004-)

A. Brazzini and C. Colombo, "Computer vision for interactive skewed video projection". In Proceedings 13th International Conference on Image Analysis and Processing ICIAP 2005, Cagliari, Italy, September 2005, pp. 139-146, Springer 2005.

Computer Vision for the Visually Impaired (2010-)

C. Guida, D. Comanducci, and C. Colombo, "Automatic bus line number localization and recognition on mobile phones-a computer vision aid for the visually impaired". In Proceedings 16th International Conference on Image Analysis and Processing ICIAP 2011, Ravenna, Italy, September 2011, pp. 323-332, Springer 2011.

A. Caldini, M. Fanfani and C. Colombo, "Smartphone-based Obstacle Detection for the Visually Impaired". In Proceedings 18th International Conference on Image Analysis and Processing ICIAP 2015, Genoa, Italy, September 2015, pp. 480-488, Springer 2015. 

Color Correction and Image Stitching (2015-)

F. Bellavia and C. Colombo, "Estimating the best reference homography for planar mosaics from videos". In Proceedings 10th International Conference on Computer Vision Theory and Applications VISAPP 2015, Berlin, Germany, March 2015, pp. 512-519, Scitepress 2015. 

F. Bellavia, M. Fanfani, F. Pazzaglia, C. Colombo, R. Costanzi, N. Monni, A. Ridolfi and B. Allotta, "Piecewise planar underwater mosaicing". In Proceedings MST/IEEE International Conference Oceans '15, Genoa, Italy, May 2015, pp. 1-7, IEEE 2015.

F. Bellavia and C. Colombo, "Dissecting and Reassembling Color Correction Algorithms for Image Stitching". IEEE Transactions on Image Processing, 27(2):735-748, IEEE 2018.

Computer Vision for Information Forensics (2016-)

M. Iuliani, M. Fanfani, C. Colombo and A. Piva, "Reliability Assessment of Principal Point Estimates for Forensic Applications". Journal of Visual Communication and Image Representation, 42:65-77, Elsevier 2017.

M. Fanfani, F. Bellavia, M. Iuliani, A. Piva and C. Colombo, "FISH: Face Intensity-Shape Histogram representation for automatic face splicing detection". Journal of Visual Communication and Image Representation, 63, 102586:1-8, Elsevier 2019.

F. Bellavia, M. Iuliani, M. Fanfani, C. Colombo and A. Piva, "PRNU pattern alignment for images and videos based on scene content". In Proceedings 26th International Conference on Image Processing ICIP 2019, Taipei, Taiwan, September 2019, pp. 91-95, IEEE 2019. 

M. Fanfani, M. Iuliani,  F. Bellavia, C. Colombo and A. Piva, "A vision-based fully automated approach to robust image cropping detection". Signal Processing: Image Communication, 80, 115629:1-13, Elsevier 2020.