Manuela Chessa

Ricercatore Universitario

Indirizzo Via Dodecaneso, 35 - 16146 Genova
Ufficio 226
E-mail
Telefono ufficio (+39) 010353 - 6626
Telefono laboratorio
Pagina personale http://www.manuelachessa.it
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CV

Manuela Chessa e' Ricercatore a Tempo Determinato presso il Dipartimento di Informatica, Bioingegneria, Robotica e Ingegneria dei Sistemi (DIBRIS) dell'Università degli Studi di Genova. M.C. ha conseguito la Laurea Specialistica in Bioingegneria nel 2005 e il Dottorato di Ricerca in Bioingegneria nel 2009, sotto la Supervisione del Prof. S.P. Sabatini.

I suoi interessi di ricerca riguardano lo sviluppo di interfacce uomo-computer naturali, basate su sistemi di realtà virtuale, aumentata e mixata. In particolare, la sua ricerca e' focalizzata sugli aspetti percettivi relativi all'uso di tali interfacce, con particolare interesse verso l'affaticamento visivo, i problemi di errata percezione e l'interazione naturale. Inoltre si occupa dello studio dei sistemi di visione biologici e artificiali, lo sviluppo di modelli bioispirati per il calcolo di caratteristiche visive di basso livello, ad es. flusso o... read more

Publications

Journals

  • M. Chessa, G. Maiello, A. Borsari, PJ Bex (2016) The Perceptual Quality of the Oculus Rift for Immersive Virtual Reality. Human Computer Interaction (in press) [doi][online version]
  • M. Chessa, G. Maiello, PJ Bex, F. Solari (2016) A space-variant model for motion interpretation across the visual field. Journal of Vision, Vol.16, 12.doi:10.1167/16.2.12
  • M. Chessa, N. Noceti, F. Odone, F. Solari,  J. Sosa-García, L. Zini (2016) An integrated artificial vision framework for assisting visually impaired users. Computer Vision and Image Understanding, 149, pp. 209-228. [link]
  • M. Chessa, S.P. Sabatini, F. Solari (2016) A systematic analysis of a V1-MT neural model for motion estimation Neurocomputing, 173, pp. 1811-1823 [doi].
  • G. Maiello, M Chessa, F Solari, PJ Bex (2015) The (In) Effectiveness of Simulated Blur for Depth Perception in Naturalistic Images  PloS one, 10(10), e0140230. [doi]
  • F. Solari, M. Chessa, N.V. K. Medathati, P. Kornprobst (2015) What can we expect from a V1-MT feedforward architecture for optical flow estimation? Signal Processing: Image Communication, accepted in press [doi]
  • G. Maiello, M. Chessa, F. Solari, P. J Bex (2014) Simulated disparity and peripheral blur interact during binocular fusion. Journal of Vision, July 17, 2014, 14(8)13. [doi][bib]
  • M. Chessa and G. Pasquale (2014) Graphics processing unit-accelerated techniques for bio-inspired computation in the primary visual cortex. Concurrency and Computation: Practice and Experience, 26(10), pp. 1799-1818. [doi][bib]
  • M. Antonelli, A. Gibaldi, F. Beuth, A. J Duran, A. Canessa, M. Chessa, F. Solari, F. Hamker, E. Chinellato, S.P. Sabatini (2014) A hierarchical system for a distributed representation of the peripersonal space of a humanoid robot. IEEE Trans. Auton. Mental Develop, in press.
  • F. Solari, M. Chessa, S.P. Sabatini. (2014) An integrated neuromimetic architecture for direct motion interpretation in the log-polar domain. Computer Vision and Image Understanding, 125, pp. 37-54. [doi]
  • E. Martinez-Martin, A.P. Del Pobil, M. Chessa, F. Solari, S.P. Sabatini (2014)An active system for visually-guided reaching in 3D across binocular fixations. The Scientific World Journal, 2014, art. no. 179391.
  • A. Canessa, M. Chessa, A. Gibaldi, S.P. Sabatini, F. Solari (2014) Calibrated depth and color cameras for accurate 3D interaction in a stereoscopic augmented reality environment. Journal of Visual Communication and Image Representation 25(1), pp. 227-237. [doi][bib][pdf]
  • M. Chessa, F. Solari, S.P. Sabatini (2013) Adjustable Linear Models for Optic Flow based Obstacle Avoidance. Computer Vision and Image Understanding 117(6), pp. 603-619. [doi][bib]
  • F. Solari, M. Chessa, M. Garibotti, S.P. Sabatini. (2013) Natural perception in dynamic stereoscopic augmented reality environments. Display 34(2), pp. 142-152 . [doi][bib]
  • M. Chessa, V. Bianchi, M. Zampetti, S. P. Sabatini, F. Solari (2012) Real-time simulation of large-scale neural architectures for visual features computation based on GPU. Network: Computation in Neural Systems 23(4), pp. 272-291. [doi][bib]
  • F. Solari, M. Chessa, S.P. Sabatini. (2012) Design strategies for direct multi-scale and multi-orientation feature extraction in the log-polar domain. Pattern Recognition Letters 33(1), pp. 41-51. [doi][bib]
  • A.Gibaldi, M. Chessa, A. Canessa, S.P. Sabatini, F. Solari. (2010) A cortical model for binocular vergence control without explicit calculation of disparity. Neurocomputing 73, pp. 1065-1073. [doi][bib]

Conference proceedings

  • M. Chessa and N. Noceti (2017) Investigating Natural Interaction in Augmented Reality Environments using Motion Qualities.  12h International Conference on Computer Vision Theory and Applications, VISAPP 2017, 27th February – 1st March 2017, Porto, Portugal.
  • M. Chessa, G. Matafu’, S. Susini and F. Solari (2016) An experimental setup for natural interaction in a collaborative virtual environment.  13th European Conference on Visual Media Production (CVMP13), 12-13 December 2016, London.
  • M. Chessa, G. Balocchi, M. Busi, A. Novellino and F. Solari (2016) An Oculus Rift based Exergame to Improve Awareness in Disabled People. 11th International Conference on Computer Vision Theory and Applications, VISAPP 2016, 27th-29th February 2016, Rome.
  • M. Chessa, L. Caroggio, H. Huang and F. Solari (2016) Insert your own body in the Oculus Rift to improve proprioception. 11th International Conference on Computer Vision Theory and Applications, VISAPP 2016, 27th-29th February 2016, Rome. [video]
  • Chessa, F Solari (2015) Local Feature Extraction in Log-Polar Images. 18th Conference on Image Analysis and Processing—ICIAP 2015.
  • M Chessa, NVK Medathati, G Masson, F Solari, P Kornprobst (2015) Decoding MT Motion Response For Optical Flow Estimation: An Experimental Evaluation. 23rd European Signal Processing Conference (EUSIPCO)
  • M. Chessa, M. Garibotti, G.  Maiello, L.  Caroggio, H.  Huang, S.P.  Sabatini, F.  Solari (2014) Detection of 3D position of eyes through a consumer RGB-D camera for stereoscopic mixed reality environments. 4th International Conference on 3D Imaging, IC3D 2014; Liege; Belgium; 9 December 2014 through 10 December 2014
  • M. Chessa, S. Murgia, L. Nardelli, Silvio P. Sabatini, F. Solari (2014) Bio-inspired Active Vision for Obstacle Avoidance. International Conference on Computer Vision Theory and Applications, VISAPP 2014, 5th-8th January 2014, Lisbon.
  • M. Garibotti, M. Chessa, S.P. Sabatini, F. Solari (2013) An affordable stereoscopic 3D augmented reality system for life-like interaction. 10th European Conference on Visual Media Production (CVMP13), 6-7 November 2013, London.
  • A. Gibaldi, A. Canessa, M. Chessa, F. Solari, S. P. Sabatini (2012) How a Population-based Representation of Binocular Visual Signal Can Intrinsically Mediate Autonomous Learning of Vergence Control. Procedia Computer Science, Volume 13, 2012, Pages 125-134, ISSN 1877-0509, [doi].
  • M. Chessa, M. Garibotti, A. Canessa, A. Gibaldi, S.P. Sabatini, F. Solari. (2012) A stereoscopic augmented reality system for the veridical perception of the 3D scene layout. International Conference on Computer Vision Theory and Applications, VISAPP 2012, 24th-26th February 2012, Rome. [pdf]
  • M. Chessa, S. P. Sabatini, F. Solari and F. Tatti (2011) A Quantitative Comparison of Speed and Reliability for Log-Polar Mapping Techniques, Computer Vision Systems – 8th International Conference, ICVS 2011, Sophia Antipolis, France, September 20-22, 2011. [doi]
  • G. Maiello, C. Silvestro, A. Canessa, M. Chessa, A. Gibaldi, S. P. Sabatini and F. Solari (2011) Assessment of stereoscopic depth perception in augmented reality environments based on low-cost technologies, Applied Perception in Graphics and Visualization (APGV 2011).
  • E. Martinez, A.P. del Pobil, M. Chessa, F. Solari, S.P. Sabatini. (2011) An Integrated Virtual Environment for Visual-based Reaching, The ACM Intl. Conf. on Ubiquitous Information Management and Communication, Seoul, 2011.
  • A. Gibaldi, A. Canessa, M. Chessa, S. P. Sabatini, F. Solari. (2011) A neuromorphic control module for real-time vergence eye movements on the iCub robot head, 11th IEEE-RAS International Conference on Humanoid Robots (Humanoids).
  • M. Chessa, S.P. Sabatini, F. Solari. (2009) A fast joint bioinspired algorithm for optic flow and two-dimensional disparity estimation. 7th International Conference on Computer Vision Systems, Belgium, 13-15 October, 2009. [pdf]
  • A. Gibaldi, M. Chessa, A. Canessa, F. Solari, S.P. Sabatini. (2009) A neural model for binocular vergence control without explicit calculation of disparity. European Symposium on Artificial Neural Networks, Bruges, Belgium, 22-24 April, 2009. [pdf]
  • M. Chessa, F. Solari, S.P. Sabatini. (2009) A Virtual Reality Simulator for Active Stereo Vision Systems.International Conference on Computer Vision Theory and Applications (VISAPP), Lisbon 5-8 February 2009.[pdf]
  • M. Chessa, F. Solari, S.P. Sabatini, G.M. Bisio. (2008) Motion Interpretation Using Adjustable Linear Models.British Machine Vision Conference (BMVC), Leeds 1-4 September 2008. [pdf]
  • G. Gastaldi, S.P. Sabatini, F. Solari, M. Chessa. (2008) Systematic Phase-based interpretation of early vision processing. International Conference on Mathematical Problems in Engineering ,Aerospace and Science (ICNPAA), Genova, 25-27 June 2008.
  • M. Chessa, S.P. Sabatini, F. Solari, G.M. Bisio. (2007) A Recursive Approach to the Design of Adjustable Linear Models for Complex Motion Analysis. IASTED conference on Signal Processing, Pattern Recognition and Applications (SPPRA), Innsbruck 14-16 February 2007. [pdf]

Patents

  • M. Chessa, F. Solari, M. Garibotti, S.P. Sabatini, Rappresentazione stereoscopica tridimensionale perfezionata di oggetti virtuali per un osservatore in movimento. Assignee: University of Genoa. Italian Patent application TO2011A001150, 14th December 2011.
  • M. Chessa, F. Solari, M. Garibotti, S.P. Sabatini. Improved three-dimensional stereoscopic rendering of virtual objects for a moving observer. Assignee: University of Genoa. International Patent application PCT/IB2012/057284, 13th December 2012.[link]

Software

Edited Books

Book Chapters

  • M. Chessa, M. Garibotti, A. Canessa, A. Gibaldi, S.P. Sabatini, F. Solari (2013). Veridical Perception of 3D Objects in a Dynamic Stereoscopic Augmented Reality System. In: G. Csurka et al.. Communications in Computer and Information Science, VISIGRAPP 2012. vol. 0359, p. 274-285, Springer-Verlag Berlin Heidelberg [pdf]
  • S. P. Sabatini, F. Solari, A. Canessa, M. Chessa and A. Gibaldi (2013). Early Perception-Action Cycles in Binocular Vision: Visuomotor Paradigms and Cortical-Like Architectures. Developing and Applying Biologically-Inspired Vision Systems: Interdisciplinary Concepts. IGI Global, 2013. 154-182.  doi:10.4018/978-1-4666-2539-6.ch007
  • A. Canessa, A. Gibaldi, M. Chessa, S.P. Sabatini and F. Solari (2012). The Perspective Geometry of the Eye: Toward Image-Based Eye-Tracking, Human-Centric Machine Vision, M. Chessa, F. Solari and S.P. Sabatini (Ed.), ISBN: 978-953-51-0563-3, InTech, Available from: The Perspective Geometry of the Eye: Toward Image-Based Eye-Tracking
  • S. P. Sabatini, F. Solari, M. Chessa (2012). Context-Sensitive Recurrent Filters for Visual Motion Analysis, Neurocomputing: Learning, Architectures and Modeling, Elizabeth T. Mueller (Ed.), ISBN: 978-1-61324-699-3, Nova publisher.
  • M. Vanegas, M. Chessa, F. Solari, S.P. Sabatini (2012). Bio-Inspired Active Vision Paradigms in Surveillance Applications, Machine Vision – Applications and Systems, F. Solari, M. Chessa, S.P. Sabatini (Eds.), InTech, ISBN: 978-953-51-0373-8, pp. 1-22, 2012
  • M. Chessa, F. Solari and S.P. Sabatini (2011). Virtual Reality to Simulate Visual Tasks for Robotic Systems, Virtual Reality, Jae-Jin Kim (Ed.), ISBN: 978-953-307-518-1, InTech, Available from: Virtual Reality to Simulate Visual Tasks for Robotic Systems

Abstracts

  • N.V.K. Medathati, P. Kornprobst, G. Masson, M. Chessa, F. Solari (2015) Adaptive Motion Pooling and Diffusion for Optical Flow MODVIS 2015.
  • G. Maiello, M. Chessa, P. J. Bex, F. Solari (2015) A Space-Variant Model for Motion Interpretation across the Visual Field MODVIS 2015.
  • G. Maiello, M. Chessa, F. Solari, P. Bex (2013) Stereoscopic fusion with gaze-contingent blur. Perception 42ECVP Abstract Supplement, page 117.
  • G. Maiello, M. Chessa, F. Solari, P. Bex (2013) The Contribution of Perspective, Blur and Disparity to Depth Perception in Natural Vision ARVO 2013 Annual Meeting
  • M. Chessa, G. Maiello, C. Silvestro, A. Canessa, A. Gibaldi, S. P. Sabatini, F. Solari (2011) Assessment of the visuo-motor coordination in the peripersonal space through augmented reality environments. Perception 40 ECVP Abstract Supplement, page 63.
  • S. P. Sabatini, A. Canessa, A. Gibaldi, M. Chessa, F. Solari (2011) Statistical disparity patterns experienced by an active observer in the peripersonal space. Perception 40 ECVP Abstract Supplement, page 105
  • A. Gibaldi, A. Canessa, M. Chessa, F. Solari, S. P. Sabatini (2011) Adaptive read-out mechanisms of disparity population codes: reaching the theoretical disparity-size correlation limit with minimal binocular resources.Perception 40 ECVP Abstract Supplement, page 103
  • A. Canessa, M. Chessa, A. Gibaldi, F. Solari, S. P. Sabatini (2011) Empirical horopter explained by the statistics of disparity patterns in natural space. Perception 40 ECVP Abstract Supplement, page 7
  • A. Gibaldi, A. Canessa, M. Chessa, F. Solari, S.P. Sabatini (2011). A cortical model for vergence control: advantages of space-variant geometry of the cortical domain. Cosyne11, Salt Lake City, Utah, February 24 – March 1, 2011.
  • A. Gibaldi, A. Canessa, M. Chessa, S.P. Sabatini and F. Solari. Read-out rules for short-latency disparity-vergence responses from populations of binocular energy units: the effect of vertical disparities 33rd European Conference on Visual Perception, Lausanne, Switzerland, 22-26 August, 2010.
  • M. Chessa, S.P. Sabatini, F. Solari. A virtual reality tool for disparity statistics in the peripersonal space. 32nd European Conference on Visual Perception, Regensburg, Germany, 24-28 August, 2009.
  • S.P. Sabatini, M. Chessa, F. Solari. How embedding prior constraints improves coding and decoding strategies in a neural distributed architecture for depth perception. 32nd European Conference on Visual Perception, Regensburg, Germany, 24-28 August, 2009.
  • M. Chessa, A. Canessa, A. Gibaldi, F. Solari, S.P. Sabatini. Embedding Fixation Constraints into Binocular Energy-based Models of Depth Perception. International Conference on Cognitive and Neural Systems, Boston, Massachusetts, 27-30 May, 2009.
  • A. Gibaldi, M. Chessa, A. Canessa, S.P. Sabatini, F. Solari. Reading binocular energy population codes for short-latency disparity-vergence eye movements. International Conference on Cognitive and Neural Systems, Boston, Massachusetts, 27-30 May, 2009.
  • S.P. Sabatini, M. Chessa, G. Gastaldi, F. Solari, G. M. Bisio. Cortical Architectures for Early Joint Coding of 3D Dynamic Visual Parameters: Complex Feature Mapping and Distributed Representations. Workshop on Computational Cognitive Neuroscience to Computer Vision, Bielefeld University, Germany, 21 March 2007.

Research activity

Fields of research:

Human-Computer Interaction and development of virtual and augmented reality systems.

The aim of this field of research is the study of novel methods and technologies to achieve a Natural Human-Computer Interaction. I combine methods from virtual, augmented and mixed reality, and tools from Computer Science and Computer Vision with methods from psychophysics in order to study the perception issues that arise when using HCI, in particular in virtual, augmented and mixed reality environments. My interests are related to the study of misperception,  immersion, and effects on visual perception (e.g. visual fatigue). A specific aspect of this research is the study  of the perception of tridimensionality, through the presentation of virtual stereoscopic 3D stimuli. The application field of this research are the study of the visuo-motor coordination, the development of systems for the cognitive rehabilitation, by using augmented reality systems. In particular the focus of my research is to use low cost and off-the-shelf devices, developed for the entertainment systems (i.e. the motion sensors of the videogame console, or the system for the stereoscopic visualisation of 3D contents, such as the 3DTV). Patent Application: M. Chessa, F. Solari, M. Garibotti, S.P. Sabatini, “Rappresentazione stereoscopica tridimensionale perfezionata di oggetti virtuali per un osservatore in movimento”. Assignee: University of Genoa. Italian Patent application TO2011A001150, 14th December 2011.

Cortical models for low level features extraction.

In particular my research focuses on the development of cortical models for the estimation of optic flow and disparity, based on distributed populations of cells, inspired by the processing of cortical areas V1 and MT. The preliminary steps of this works are described  in my PhD thesis. Recent achievements on this field are the development of bio-inspired model for optic flow computation with performances comparable to the state-of-the-art (Heeger++ and FFV1Mt models see Middlebury Flow Dataset for a quantitative analysis)

Visual processing in foveated systems

In particular, I have addressed the problem of the multi-orientation and multiscale filtering in the log-polar domain. To this aim, a systematic analysis of the relationships between the parameters of the discrete log-polar mapping and of a bank of Gabor filters has been carried out. (see here for further details)

Older stuff

Active binocular vision systems.

In particular my research concerns the study of the interplay between the geometry and the behaviour of the active vision systems and the visual scenes. (For further details see the Eyeshots project websitewww.eyeshots.it)

Context-sensitive receptive fields for the analysis of visual motion.

In particular my research focuses on an higher order analysis of visual motion, for the evaluation of the time-to-contact and for the 3D reconstruction of the surfaces. Part of this work is described in my PhD thesis.

Software tools for vision systems.

In particular my research concerns the developing of software tools for the simulation of robotic systems (see the Virtual Reality Tool for Active Vision) and the developing of neuromorphic algorithms by using graphics processing units (GPGPU).

Benchmarking dataset

I have used virtual reality tools and computer graphics to create a dataset of benchmarking sequences and stereo pairs, also with vergent stereo cameras. (see here for further details)

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