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Papers by Albert Borreman

Research paper thumbnail of Deterioration estimation of Artworks by means of a novel 3D-Hyperspectral Imaging System

ABSTRACT Climate and time are two major factors enhancing the degradation processes of surface an... more ABSTRACT Climate and time are two major factors enhancing the degradation processes of surface and bulk materials. For this reason, estimating the mechanical and chemical deterioration of works of art has been a continuous procedure performed in museums. The developed prototype combines two optical techniques (Fringe Projection and Hyperspectral Imaging in the Visible and SWIR) in one system, enabling the acquisition of the colorimetric, morphologic, chemical and spectroscopic information from the artwork. This combination of: non-destructive techniques; specialized calibration; the use of material, substance, component and pigment databases; data fusion and classification methods, allows the characterization and analysis of canvas and panel paintings. Furthermore, the prototype is portable to allow on-site measurements and analysis. The performance of the prototype is presented from both hardware and software development. Results obtained from real case studies show that mechanical and chemical deterioration can be characterized in complex surfaces.

Research paper thumbnail of TECHNART Poster

Research paper thumbnail of A novel 3D-hyperspectral imaging device for artwork inspection and deterioration estimation – the SYDDARTA project

The FP7 SYDDARTA project had as a main objective of the development of a pre-industrial prototype... more The FP7 SYDDARTA project had as a main objective of the development of a pre-industrial prototype for diagnosing the deterioration of movable art assets. The device combines two complementary optical techniques, hyperspectral imaging in the visible (400-1000nm) and infrared (1000-2500nm) using electronically tunable optical filters, and 3D scanning using structured light projection. These techniques are integrated in a single prototype allowing the recording of hyperspectral and shape streams, software data fusion and automated estimation of artwork deterioration and degradation using signal processing. The prototype is portable and user-friendly and has been used to study artwork of the baroque period at partner museums in the consortium, IPCHS, Slovenia and RABSAF, Spain. The main challenges posed in the development of such a device were: (i) the integration of reliable and robust illumination units, both for the hyperspectral and 3D channels, which meet the desired requirements o...

Research paper thumbnail of Flexible a-Si/μc-Si tandem thin film silicon solar cells on plastic substrates with i-layers made with hot-wire CVD using the Helianthos cell transfer process

2008 33rd IEEE Photovolatic Specialists Conference, 2008

ABSTRACT

Research paper thumbnail of Thermo-optical switch provided with a laterally shifted element

Research paper thumbnail of Thermo-optical switch with laterally offset element

Research paper thumbnail of TECHNART Poster

Research paper thumbnail of Deterioration estimation of Artworks by means of a novel 3D-Hyperspectral Imaging System

Climate and time are two major factors enhancing the degradation processes of surface and bulk ma... more Climate and time are two major factors enhancing the degradation processes of surface and bulk materials. For this reason, estimating the mechanical and chemical deterioration of works of art has been a continuous procedure performed in museums. The developed prototype combines two optical techniques (Fringe Projection and Hyperspectral Imaging in the Visible and SWIR) in one system, enabling the acquisition of the colorimetric, morphologic, chemical and spectroscopic information from the artwork. This combination of: non-destructive techniques; specialized calibration; the use of material, substance, component and pigment databases; data fusion and classification methods, allows the characterization and analysis of canvas and panel paintings. Furthermore, the prototype is portable to allow on-site measurements and analysis. The performance of the prototype is presented from both hardware and software development. Results obtained from real case studies show that mechanical and chem...

Research paper thumbnail of Deterioration estimation of paintings by means of combined 3D and hyperspectral data analysis

Optics for Arts, Architecture, and Archaeology IV, 2013

Research paper thumbnail of Experimental Study of Bent Multimode Optical Waveguides

Research paper thumbnail of Completely multimode arrayed waveguide grating-based wavelength demultiplexer

The IEEE Region 8 EUROCON 2003. Computer as a Tool., 2003

Research paper thumbnail of Single-chip optical beam forming network in LPCVD waveguide technology based on optical ring resonators

2006 International Topical Meeting on Microwave Photonics, 2006

Research paper thumbnail of Polymer based ADM and OXC devices

Integrated Photonics Research, 2000

Research paper thumbnail of Broadband Conformal Phased Array with Optical Beam Forming for Airborne Satellite Communication

2008 IEEE Aerospace Conference, 2008

Research paper thumbnail of Experimental prototype of a novel ring resonator-based optical beamformer system

LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings, 2007

Research paper thumbnail of Phased Array Antenna Steering Using a Ring Resonator-Based Optical Beam Forming Network

2006 Symposium on Communications and Vehicular Technology, 2006

A novel beam steering mechanism for a phased array antenna receiver system is introduced. The cor... more A novel beam steering mechanism for a phased array antenna receiver system is introduced. The core of the system is a ring resonator-based integrated optical beam forming network chip. Its principles are explained and demonstrated by presenting some measurement results. The system architecture around the chip is based on a combination of frequency down conversion, filter-based optical single sideband modulation

Research paper thumbnail of SYDDARTA: new methodology for digitization of deterioration estimation in paintings

Optics for Arts, Architecture, and Archaeology IV, 2013

Research paper thumbnail of Deterioration estimation of paintings by means of combined 3D and hyperspectral data analysis

Optics for Arts, Architecture, and Archaeology IV, 2013

Research paper thumbnail of Recent advances in very high frequency plasma enhanced CVD process for the fabrication of thin film silicon solar cells

Thin Solid Films, 2009

... Full Text via CrossRef | View Record in Scopus | Cited By in Scopus (24). [5] R. Bartl, R. Sc... more ... Full Text via CrossRef | View Record in Scopus | Cited By in Scopus (24). [5] R. Bartl, R. Schlatmann, B. Stannowski, A. Gordijn, MN van den Donker, F. Finger and B. Rech, 21st European Photovoltaic Solar Energy Conference, Dresden, Germany (2006), p. 1666. ...

Research paper thumbnail of Fabrication of thin film silicon solar cells on plastic substrate by very high frequency PECVD

Solar Energy Materials and Solar Cells, 2010

Research paper thumbnail of Deterioration estimation of Artworks by means of a novel 3D-Hyperspectral Imaging System

ABSTRACT Climate and time are two major factors enhancing the degradation processes of surface an... more ABSTRACT Climate and time are two major factors enhancing the degradation processes of surface and bulk materials. For this reason, estimating the mechanical and chemical deterioration of works of art has been a continuous procedure performed in museums. The developed prototype combines two optical techniques (Fringe Projection and Hyperspectral Imaging in the Visible and SWIR) in one system, enabling the acquisition of the colorimetric, morphologic, chemical and spectroscopic information from the artwork. This combination of: non-destructive techniques; specialized calibration; the use of material, substance, component and pigment databases; data fusion and classification methods, allows the characterization and analysis of canvas and panel paintings. Furthermore, the prototype is portable to allow on-site measurements and analysis. The performance of the prototype is presented from both hardware and software development. Results obtained from real case studies show that mechanical and chemical deterioration can be characterized in complex surfaces.

Research paper thumbnail of TECHNART Poster

Research paper thumbnail of A novel 3D-hyperspectral imaging device for artwork inspection and deterioration estimation – the SYDDARTA project

The FP7 SYDDARTA project had as a main objective of the development of a pre-industrial prototype... more The FP7 SYDDARTA project had as a main objective of the development of a pre-industrial prototype for diagnosing the deterioration of movable art assets. The device combines two complementary optical techniques, hyperspectral imaging in the visible (400-1000nm) and infrared (1000-2500nm) using electronically tunable optical filters, and 3D scanning using structured light projection. These techniques are integrated in a single prototype allowing the recording of hyperspectral and shape streams, software data fusion and automated estimation of artwork deterioration and degradation using signal processing. The prototype is portable and user-friendly and has been used to study artwork of the baroque period at partner museums in the consortium, IPCHS, Slovenia and RABSAF, Spain. The main challenges posed in the development of such a device were: (i) the integration of reliable and robust illumination units, both for the hyperspectral and 3D channels, which meet the desired requirements o...

Research paper thumbnail of Flexible a-Si/μc-Si tandem thin film silicon solar cells on plastic substrates with i-layers made with hot-wire CVD using the Helianthos cell transfer process

2008 33rd IEEE Photovolatic Specialists Conference, 2008

ABSTRACT

Research paper thumbnail of Thermo-optical switch provided with a laterally shifted element

Research paper thumbnail of Thermo-optical switch with laterally offset element

Research paper thumbnail of TECHNART Poster

Research paper thumbnail of Deterioration estimation of Artworks by means of a novel 3D-Hyperspectral Imaging System

Climate and time are two major factors enhancing the degradation processes of surface and bulk ma... more Climate and time are two major factors enhancing the degradation processes of surface and bulk materials. For this reason, estimating the mechanical and chemical deterioration of works of art has been a continuous procedure performed in museums. The developed prototype combines two optical techniques (Fringe Projection and Hyperspectral Imaging in the Visible and SWIR) in one system, enabling the acquisition of the colorimetric, morphologic, chemical and spectroscopic information from the artwork. This combination of: non-destructive techniques; specialized calibration; the use of material, substance, component and pigment databases; data fusion and classification methods, allows the characterization and analysis of canvas and panel paintings. Furthermore, the prototype is portable to allow on-site measurements and analysis. The performance of the prototype is presented from both hardware and software development. Results obtained from real case studies show that mechanical and chem...

Research paper thumbnail of Deterioration estimation of paintings by means of combined 3D and hyperspectral data analysis

Optics for Arts, Architecture, and Archaeology IV, 2013

Research paper thumbnail of Experimental Study of Bent Multimode Optical Waveguides

Research paper thumbnail of Completely multimode arrayed waveguide grating-based wavelength demultiplexer

The IEEE Region 8 EUROCON 2003. Computer as a Tool., 2003

Research paper thumbnail of Single-chip optical beam forming network in LPCVD waveguide technology based on optical ring resonators

2006 International Topical Meeting on Microwave Photonics, 2006

Research paper thumbnail of Polymer based ADM and OXC devices

Integrated Photonics Research, 2000

Research paper thumbnail of Broadband Conformal Phased Array with Optical Beam Forming for Airborne Satellite Communication

2008 IEEE Aerospace Conference, 2008

Research paper thumbnail of Experimental prototype of a novel ring resonator-based optical beamformer system

LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings, 2007

Research paper thumbnail of Phased Array Antenna Steering Using a Ring Resonator-Based Optical Beam Forming Network

2006 Symposium on Communications and Vehicular Technology, 2006

A novel beam steering mechanism for a phased array antenna receiver system is introduced. The cor... more A novel beam steering mechanism for a phased array antenna receiver system is introduced. The core of the system is a ring resonator-based integrated optical beam forming network chip. Its principles are explained and demonstrated by presenting some measurement results. The system architecture around the chip is based on a combination of frequency down conversion, filter-based optical single sideband modulation

Research paper thumbnail of SYDDARTA: new methodology for digitization of deterioration estimation in paintings

Optics for Arts, Architecture, and Archaeology IV, 2013

Research paper thumbnail of Deterioration estimation of paintings by means of combined 3D and hyperspectral data analysis

Optics for Arts, Architecture, and Archaeology IV, 2013

Research paper thumbnail of Recent advances in very high frequency plasma enhanced CVD process for the fabrication of thin film silicon solar cells

Thin Solid Films, 2009

... Full Text via CrossRef | View Record in Scopus | Cited By in Scopus (24). [5] R. Bartl, R. Sc... more ... Full Text via CrossRef | View Record in Scopus | Cited By in Scopus (24). [5] R. Bartl, R. Schlatmann, B. Stannowski, A. Gordijn, MN van den Donker, F. Finger and B. Rech, 21st European Photovoltaic Solar Energy Conference, Dresden, Germany (2006), p. 1666. ...

Research paper thumbnail of Fabrication of thin film silicon solar cells on plastic substrate by very high frequency PECVD

Solar Energy Materials and Solar Cells, 2010

Research paper thumbnail of A novel 3D-hyperspectral imaging device for artwork inspection and deterioration estimation – the SYDDARTA project

The FP7 SYDDARTA project had as a main objective of the development of a pre-industrial prototype... more The FP7 SYDDARTA project had as a main objective of the development of a pre-industrial prototype for diagnosing the deterioration of movable art assets. The device combines two complementary optical techniques, hyperspectral imaging in the visible (400-1000nm) and infrared (1000-2500nm) using electronically tunable optical filters, and 3D scanning using structured light projection. These techniques are integrated in a single prototype allowing the recording of hyperspectral and shape streams, software data fusion and automated estimation of artwork deterioration and degradation using signal processing. The prototype is portable and user-friendly and has been used to study artwork of the baroque period at partner museums in the consortium, IPCHS, Slovenia and RABSAF, Spain. The main challenges posed in the development of such a device were: (i) the integration of reliable and robust illumination units, both for the hyperspectral and 3D channels, which meet the desired requirements of power, homogeneity and stability, (ii) the merging of hyperspectral and 3D data streams in order to construct rich digital representations of the work of art, and (iii) the development of classification strategies based on eigenvector analysis and point cloud segmentation for mechanical alteration and supervised classification by considering spectral samples for the identification and quantification of chemical deterioration.

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