Dr. Donato Borrelli Profile

Dr. Donato Borrelli

at Leonardo

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Author

Publications (12)

Proceedings Article | 12 July 2023 Open Access

Super-resolved compressive demonstrator for Earth Observation applications in the Medium Infrared: instrumental concept, optical design and expected performances

Valentina Raimondi, Massimo Baldi, Dirk Berndt, Tiziano Bianchi, Guzmán Borque Gallego, Donato Borrelli, Roberto Carlà, Chiara Corti, Francesco Corti, Marco Corti, Ulrike Dauderstädt, Peter Dürr, Andrea Gonnelli, Sara Francés González, Donatella Guzzi, Demetrio Labate, Nicolas Lamquin, Cinzia Lastri, Enrico Magli, Emiliano Marzi, Vanni Nardino, Christophe Pache, Lorenzo Palombi, Giuseppe Pilato, Enrico Suetta, Diego Valsesia, Michael Wagner

Proceedings Volume 12777, 1277741 (2023) https://doi.org/10.1117/12.2690634

KEYWORDS: Reconstruction algorithms, Image restoration, Image compression, Digital micromirror devices, Equipment, Infrared radiation, Spatial light modulators, Interfaces, Channel projecting optics, Super resolution

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Proceedings Article | 20 May 2022 Presentation + Paper

Compressive sensing instrumental concepts for space applications

Valentina Raimondi, Massimo Baldi, Dirk Berndt, Tiziano Bianchi, Guzmán Borque Gallego, Donato Borrelli, Chiara Corti, Francesco Corti, Marco Corti, Ulrike Dauderstädt, Peter Dürr, Andrea Gonnelli, Sara Francés González, Donatella Guzzi, Detlef Kunze, Demetrio Labate, Nicolas Lamquin, Cinzia Lastri, Enrico Magli, Emiliano Marzi, Vanni Nardino, Christophe Pache, Lorenzo Palombi, Giuseppe Pilato, Enrico Suetta, Diego Valsesia, Michael Wagner

Proceedings Volume 12136, 121360B (2022) https://doi.org/10.1117/12.2625305

KEYWORDS: High resolution satellite images, Spatial light modulators, Sensors, Micromirrors, Compressed sensing, Data acquisition, Super resolution, Aerospace engineering, Modulation, Image compression, Infrared radiation

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Proceedings Article | 9 September 2019 Paper

Spectral response of the stereo imaging channel of SIMBIO-SYS on-board the ESA BepiColombo Mission

A. Slemer, V. Da Deppo, E. Simioni, P. Chioetto, P. Zuppella, C. Re, G. Aroldi, M. Dami, D. Borrelli, I. Ficai Veltroni, L. Tommasi, M. Teresa Capria, G. Naletto, R. Mugnuolo, M. Amoroso, G. Cremonese

Proceedings Volume 11115, 1111514 (2019) https://doi.org/10.1117/12.2528797

KEYWORDS: Optical filters, Sensors, Information technology, Transmittance, Calibration, Monochromators, Image filtering, Spectral calibration, Data acquisition, Mirrors

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Proceedings Article | 12 July 2019 Open Access

SIMBIO-SYS STC ready for the first light: the radiometric calibration

A. Slemer, E. Simioni, V. Da Deppo, C. Re, M. Dami, D. Borrelli, I. Ficai Veltroni, G. Aroldi, L. Tommasi, M. Capria, G. Naletto, R. Mugnolo, M. Amoroso, G. Cremonese

Proceedings Volume 11180, 111807R (2019) https://doi.org/10.1117/12.2536198

KEYWORDS: Calibration, Sensors, Signal detection, Information technology, Spatial resolution, Optical filters, Mercury (planet), Lamps, Tungsten, Imaging systems

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Proceedings Article | 12 July 2019 Open Access

SIMBIOSYS-STC ready for launch: a technical recap

Emanuele Simioni, Vania Da Deppo, Cristina Re, Maria Teresa Capria, Giampiero Naletto, Gianfranco Forlani, Leonardo Tommasi, Michele Dami, Donato Borrelli, Iacopo Ficai Veltroni, Matteo Massironi, Alessandra Slemer, Raffaele Mugnuolo, Francesco Longo, Gabriele Cremonese

Proceedings Volume 11180, 1118042 (2019) https://doi.org/10.1117/12.2536065

KEYWORDS: Calibration, Mercury (planet), Sensors, Astronomical imaging, Planets, Optical filters, Space operations, Distortion, Telescopes, Information technology

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Proceedings Article | 16 July 2018 Paper

The pre-launch distortion definition of SIMBIO-SYS/STC stereo camera by rational function models

Emanuele Simioni, Vania Da Deppo, Cristina Re, Alessandra Slemer, Maria Teresa Capria, Iacopo Ficai Veltroni, Michele Dami, Donato Borrelli, Leonardo Tommasi, Gabriele Cremonese

Proceedings Volume 10698, 1069850 (2018) https://doi.org/10.1117/12.2313778

KEYWORDS: Distortion, Sensors, Calibration, Mirrors, Optical filters, Mercury (planet), Telescopes, Image filtering, Data modeling, Stereoscopic cameras

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Proceedings Article | 17 November 2017 Open Access

Indoor calibration for stereoscopic camera STC: a new method

E. Simioni, C. Re, V. Da Deppo, G. Naletto, D. Borrelli, M. Dami, I. Ficai Veltroni, G. Cremonese

Proceedings Volume 10563, 105634E (2017) https://doi.org/10.1117/12.2304188

KEYWORDS: Calibration, Channel projecting optics, Stereoscopic cameras, Collimators, Cameras, Astronomical imaging, Mercury (planet), 3D modeling, Target acquisition, Laser scanners

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In the framework of the ESA-JAXA BepiColombo mission to Mercury, the global mapping of the planet will be performed by the on-board Stereo Camera (STC), part of the SIMBIO-SYS suite [1]. In this paper we propose a new technique for the validation of the 3D reconstruction of planetary surface from images acquired with a stereo camera.

STC will provide a three-dimensional reconstruction of Mercury surface. The generation of a DTM of the observed features is based on the processing of the acquired images and on the knowledge of the intrinsic and extrinsic parameters of the optical system.

The new stereo concept developed for STC needs a pre-flight verification of the actual capabilities to obtain elevation information from stereo couples: for this, a stereo validation setup to get an indoor reproduction of the flight observing condition of the instrument would give a much greater confidence to the developed instrument design.

STC is the first stereo satellite camera with two optical channels converging in a unique sensor. Its optical model is based on a brand new concept to minimize mass and volume and to allow push-frame imaging. This model imposed to define a new calibration pipeline to test the reconstruction method in a controlled ambient. An ad-hoc indoor set-up has been realized for validating the instrument designed to operate in deep space, i.e. in-flight STC will have to deal with source/target essentially placed at infinity.

This auxiliary indoor setup permits on one side to rescale the stereo reconstruction problem from the operative distance in-flight of 400 km to almost 1 meter in lab; on the other side it allows to replicate different viewing angles for the considered targets.

Neglecting for sake of simplicity the Mercury curvature, the STC observing geometry of the same portion of the planet surface at periherm corresponds to a rotation of the spacecraft (SC) around the observed target by twice the 20° separation of each channel with respect to nadir. The indoor simulation of the SC trajectory can therefore be provided by two rotation stages to generate a dual system of the real one with same stereo parameters but different scale.

The set of acquired images will be used to get a 3D reconstruction of the target: depth information retrieved from stereo reconstruction and the known features of the target will allow to get an evaluation of the stereo system performance both in terms of horizontal resolution and vertical accuracy.

To verify the 3D reconstruction capabilities of STC by means of this stereo validation set-up, the lab target surface should provide a reference, i.e. should be known with an accuracy better than that required on the 3D reconstruction itself. For this reason, the rock samples accurately selected to be used as lab targets have been measured with a suitable accurate 3D laser scanner.

The paper will show this method in detail analyzing all the choices adopted to lead back a so complex system to the indoor solution for calibration.

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Proceedings Article | 17 November 2017 Open Access

Preliminary results of the optical calibration for the stereo camera STC onboard the Bepicolombo mission

V. Da Deppo, E. Martellato, E. Simioni, D. Borrelli, M. Dami, G. Aroldi, G. Naletto, I. Ficai Veltroni, G. Cremonese

Proceedings Volume 10563, 105635I (2017) https://doi.org/10.1117/12.2304124

KEYWORDS: Sensors, Optical filters, Cameras, Mercury (planet), Imaging systems, Modulation transfer functions, Point spread functions, Planets, Mirrors, Collimators

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BepiColombo is one of the cornerstone missions of the European Space Agency dedicated to the exploration of the planet Mercury and it is expected to be launched in July 2016.

One of the BepiColombo instruments is the STereoscopic imaging Channel (STC), which is a channel of the Spectrometers and Imagers for MPO BepiColombo Integrated Observatory SYStem (SIMBIOSYS) suite: an integrated system for imaging and spectroscopic investigation of the Mercury surface. STC main aim is the 3D global mapping of the entire surface of the planet Mercury during the BepiColombo one year nominal mission.

The STC instrument consists in a novel concept of stereocamera: two identical cameras (sub-channels) looking at ±20° from nadir which share most of the optical components and the detector. Being the detector a 2D matrix, STC is able to adopt the push-frame acquisition technique instead of the much common push-broom one.

The camera has the capability of imaging in five different spectral bands: one panchromatic and four intermediate bands, in the range between 410 and 930 nm.

To avoid mechanisms, the technical solution chosen for the filters is the single substrate stripe-butted filter in which different glass pieces, with different transmission properties, are glued together and positioned just in front of the detector.

The useful field of view (FoV) of each sub-channel, though divided in 3 strips, is about 5.3° x 3.2°. The optical design, a modified Schmidt layout, is able to guarantee that over all the FoV the diffraction Ensquared Energy inside one pixel of the detector is of the order of 70-80%.

To effectively test and calibrate the overall STC channel, an ad hoc Optical Ground Support Equipment has been developed. Each of the sub-channels has to be separately calibrated, but also the data of one sub-channel have to be easily correlated with the other one.

In this paper, the experimental results obtained by the analysis of the data acquired during the preliminary onground optical calibration campaign on the STC Flight Model will be presented.

This analysis shows a good agreement between the theoretical expected performance and the experimental results.

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Proceedings Article | 29 July 2016 Paper

Geometrical distortion calibration of the stereo camera for the BepiColombo mission to Mercury

Emanuele Simioni, Vania Da Deppo, Cristina Re, Giampiero Naletto, Elena Martellato, Donato Borrelli, Michele Dami, Gianluca Aroldi, Iacopo Ficai Veltroni, Gabriele Cremonese

Proceedings Volume 9904, 990410 (2016) https://doi.org/10.1117/12.2232639

KEYWORDS: Distortion, Calibration, Mercury (planet), Cameras, Sensors, Instrument modeling, Imaging systems, Calibration, Data modeling, 3D modeling, Mirrors

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The ESA-JAXA mission BepiColombo that will be launched in 2018 is devoted to the observation of Mercury, the innermost planet of the Solar System. SIMBIOSYS is its remote sensing suite, which consists of three instruments: the High Resolution Imaging Channel (HRIC), the Visible and Infrared Hyperspectral Imager (VIHI), and the Stereo Imaging Channel (STC). The latter will provide the global three dimensional reconstruction of the Mercury surface, and it represents the first push-frame stereo camera on board of a space satellite. Based on a new telescope design, STC combines the advantages of a compact single detector camera to the convenience of a double direction acquisition system; this solution allows to minimize mass and volume performing a push-frame imaging acquisition. The shared camera sensor is divided in six portions: four are covered with suitable filters; the others, one looking forward and one backwards with respect to nadir direction, are covered with a panchromatic filter supplying stereo image pairs of the planet surface. The main STC scientific requirements are to reconstruct in 3D the Mercury surface with a vertical accuracy better than 80 m and performing a global imaging with a grid size of 65 m along-track at the periherm. Scope of this work is to present the on-ground geometric calibration pipeline for this original instrument. The selected STC off-axis configuration forced to develop a new distortion map model. Additional considerations are connected to the detector, a Si-Pin hybrid CMOS, which is characterized by a high fixed pattern noise. This had a great impact in pre-calibration phases compelling to use a not common approach to the definition of the spot centroids in the distortion calibration process. This work presents the results obtained during the calibration of STC concerning the distortion analysis for three different temperatures. These results are then used to define the corresponding distortion model of the camera.

Proceedings Article | 28 August 2014 Paper

Characterization of the integrating sphere for the on-ground calibration of the SIMBIOSYS instrument for the BepiColombo ESA mission

Vania Da Deppo, Elena Martellato, Guglielmo Rossi, Giampiero Naletto, Vincenzo Della Corte, Fabrizio Capaccioni, Gianrico Filacchione, Michele Zusi, Pasquale Palumbo, Gianluca Aroldi, Marco Baroni, Donato Borrelli, Leonardo Tommasi, Michele Dami, Iacopo Ficai Veltroni, Enrico Flamini, Gabriele Cremonese

Proceedings Volume 9143, 914344 (2014) https://doi.org/10.1117/12.2057349

KEYWORDS: Lamps, Calibration, Camera shutters, Integrating spheres, Mercury (planet), Optical spheres, Switches, Planets, Spatial resolution, Stars

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Proceedings Article | 28 August 2014 Paper

Preliminary LSF and MTF determination for the stereo camera of the BepiColombo mission

Emanuele Simioni, Vania Da Deppo, Giampiero Naletto, Donato Borrelli, Michele Dami, Iacopo Ficai Veltroni, Leonardo Tommasi, Gabriele Cremonese

Proceedings Volume 9143, 914341 (2014) https://doi.org/10.1117/12.2054588

KEYWORDS: Modulation transfer functions, 3D modeling, Sensors, Calibration, Cameras, Data modeling, Mercury (planet), Stereoscopic cameras, Point spread functions, Image quality

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Proceedings Article | 19 January 1996 Paper

Six years of peripheral laser angioplasty clinical activity: a review

Riccardo Viligiardi, D. Borrelli, Sandra Galiberti, Roberto Pini, Renzo Salimbeni

Proceedings Volume 2623, (1996) https://doi.org/10.1117/12.230358

KEYWORDS: Laser therapeutics, Optical fibers, Laser applications, Laser development, Injuries, Excimer lasers, Ultraviolet radiation, Arteries, Laser tissue interaction, Laser systems engineering

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