Prof. Ventseslav Christov Sainov Profile

Prof. Ventseslav Christov Sainov

Director at IOMT

SPIE Involvement:

Author

Publications (27)

Proceedings Article | 22 June 2013 Paper

Full-field displacement measurement by double symmetrical illumination through reflection holograms

V. Sainov, A. Baldjiev, E. Stoykova

Proceedings Volume 8769, 87691A (2013) https://doi.org/10.1117/12.2017990

KEYWORDS: Semiconductor lasers, Holograms, Holographic optical elements, Interferometers, Reflection, Speckle pattern, Holographic interferometry, Interferometry, Phase interferometry, Fringe analysis

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Proceedings Article | 15 March 2013 Paper

Misalignment analysis in a phase-stepping electronic speckle pattern interferometer for full-field displacement measurement

A. Baldjiev, E. Stoykova, V. Sainov

Proceedings Volume 8770, 87700U (2013) https://doi.org/10.1117/12.2013423

KEYWORDS: Error analysis, Interferometers, Holographic optical elements, Semiconductor lasers, Speckle pattern, Fringe analysis, Computer simulations, Holograms, Fourier transforms, CCD cameras

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Proceedings Article | 15 March 2013 Paper

Speckle suppression in pattern projection profilometry with a thin sinusoidal phase grating by polychromatic illumination

Nataliya Berberova, Elena Stoykova, Joo Sup Park, Hoonjong Kang, Ventseslav Sainov

Proceedings Volume 8770, 87700R (2013) https://doi.org/10.1117/12.2013644

KEYWORDS: Speckle, Visibility, Diffraction gratings, Fringe analysis, Modulation, Holography, CCD cameras, Near field diffraction, Light sources, Paraxial approximations

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Proceedings Article | 15 March 2013 Paper

Monitoring of bread cooling by statistical analysis of laser speckle patterns

Tanya Lyubenova, Elena Stoykova, Elena Nacheva, Branimir Ivanov, Ivan Panchev, Ventseslav Sainov

Proceedings Volume 8770, 87700S (2013) https://doi.org/10.1117/12.2013667

KEYWORDS: Speckle, Speckle pattern, Statistical analysis, Image processing, Visualization, Raster graphics, Nondestructive evaluation, Biological research, Glasses, Diffusers

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Proceedings Article | 18 January 2011 Paper

Modeling of speckle noise in the interferometric phase-stepping photoelastic-coating stress analysis

E. Stoykova, T. Lyubenova, V. Sainov

Proceedings Volume 7747, 77470N (2011) https://doi.org/10.1117/12.881923

KEYWORDS: Fringe analysis, Photoelasticity, Speckle, Interferometry, Coating, Stress analysis, Phase shifts, Epoxies, Holography, Polarizers

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Proceedings Article | 18 January 2011 Paper

Four channel holographic infrared optical element

B. Ivanov, M. Shopova, A. Baldjiev, E. Stoykova, V. Sainov

Proceedings Volume 7747, 77470K (2011) https://doi.org/10.1117/12.882082

KEYWORDS: Holograms, Holographic optical elements, Holography, Semiconductor lasers, Interferometers, Reflection, Interferometry, Diffraction, Holographic interferometry, Speckle pattern

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Proceedings Article | 18 January 2011 Paper

Dynamic laser speckle for non-destructive quality evaluation of bread

E. Stoykova, B. Ivanov, M. Shopova, T. Lyubenova, I. Panchev, V. Sainov

Proceedings Volume 7747, 77470L (2011) https://doi.org/10.1117/12.881922

KEYWORDS: Speckle, Speckle pattern, Nondestructive evaluation, Image segmentation, Statistical analysis, Visualization, Diode pumped solid state lasers, Glasses, Diffusers, CCD cameras

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Proceedings Article | 19 December 2008 Paper

Projection moiré measurement of glass specimens retrofitted with safety film

A. Shulev, W. Van Paepegem, E. Stoykova, S. De Pauw, J. Degrieck, V. Sainov

Proceedings Volume 7027, 70270O (2008) https://doi.org/10.1117/12.822463

KEYWORDS: Glasses, Fringe analysis, Safety, Information security, Fourier transforms, Diffraction gratings, High speed cameras, Infrared radiation, Modulation, Cameras

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Proceedings Article | 19 December 2008 Paper

Study of mechanical characteristics of window security films by phase-stepping photoelasticity

E. Stoykova, W. Van Paepegem, S. De Pauw, J. Degrieck, V. Sainov

Proceedings Volume 7027, 70270P (2008) https://doi.org/10.1117/12.822465

KEYWORDS: Photoelasticity, Phase shifts, Solar concentrators, Glasses, Fringe analysis, Reflection, Safety, Nonlinear optics, Interferometers, CCD cameras

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Proceedings Article | 18 June 2007 Paper

Real-time multicamera system for measurement of 3D coordinates by pattern projection

Ventseslav Sainov, Elena Stoykova, Jana Harizanova

Proceedings Volume 6616, 66160A (2007) https://doi.org/10.1117/12.726380

KEYWORDS: Fringe analysis, Phase shift keying, 3D metrology, Diffraction gratings, Modulation, CCD cameras, Phase shifts, 3D acquisition, Semiconductor lasers, Diffraction

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Proceedings Article | 18 June 2007 Paper

Projection Moire measurement of the deflection of composite plates subject to bird strike impact

A. Shulev, W. Van Paepegem, J. Harizanova, A. Moentjens, J. Degrieck, V. Sainov

Proceedings Volume 6616, 66162Z (2007) https://doi.org/10.1117/12.725713

KEYWORDS: Composites, Fringe analysis, Cameras, High speed cameras, Fourier transforms, Image processing, Digital image processing, Moire patterns, Image acquisition, Lamps

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Proceedings Article | 15 September 2006 Paper

Real time phase stepping pattern projection profilometry

Ventseslav Sainov, Elena Stoykova, Jana Harizanova

Proceedings Volume 6341, 63410P (2006) https://doi.org/10.1117/12.695296

KEYWORDS: Fringe analysis, Diffraction gratings, Holography, CCD cameras, Semiconductor lasers, Phase shift keying, 3D metrology, Algorithm development, Modulation, Diffraction

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Proceedings Article | 9 June 2006 Paper

Trends in development of dynamic holographic displays

Ventseslav Sainov, Elena Stoykova, Levent Onural, Haldun Ozaktas

Proceedings Volume 6252, 62521C (2006) https://doi.org/10.1117/12.677056

KEYWORDS: 3D displays, Holography, LCDs, Computer generated holography, Diffraction, Holograms, Spatial light modulators, 3D image processing, 3D image reconstruction, Bragg cells

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Proceedings Article | 9 June 2006 Paper

Lifetime of silver halide holographic materials comparative accelerating testing

Tsveta Petrova, Natalia Tomova, Violeta Dragostinova, Sonja Ossikovska, Ventseslav Sainov

Proceedings Volume 6252, 62520R (2006) https://doi.org/10.1117/12.677002

KEYWORDS: Silver, Holograms, Diffraction, Holography, Reflection, Holographic materials, RGB color model, Energy efficiency, Photography, Coating

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Proceedings Article | 9 June 2006 Paper

Testing of fibers reinforced composite vessel by fringes projection and speckle shear interferometry

Ventseslav Sainov, Jana Harizanova, Sonja Ossikovska, Wim Van Paepegem, Joris Degrieck, Pierre Boone

Proceedings Volume 6252, 625222 (2006) https://doi.org/10.1117/12.677286

KEYWORDS: Interferometry, Composites, Speckle, Inspection, Nondestructive evaluation, Holography, Interferometers, Optical fibers, Data processing, 3D metrology

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Proceedings Article | 7 March 2006 Paper

Optical processing of interference patterns

Ventseslav Sainov, Nikola Metchkarov, Valentin Kostov, Wolfgang Osten

Proceedings Volume 4101, (2006) https://doi.org/10.1117/12.498421

KEYWORDS: Holography, Optical filters, Image filtering, Optical signal processing, Optical correlators, Phase only filters, Computer simulations, Composites, Parallel processing, Holographic interferometry

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Proceedings Article | 7 April 2004 Paper

Two-spacing projection phase stepping interferometry for 3D-surface measurements of large-scale objects

Jana Harizanova, Ventseslav Sainov

Proceedings Volume 5478, (2004) https://doi.org/10.1117/12.560987

KEYWORDS: Interferometry, Phase interferometry, Nondestructive evaluation

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Proceedings Article | 4 November 2003 Paper

Two-wavelength and two-spacing projection interferometry for real object contouring

Ventseslav Sainov, Jana Harizanova, Assen Shulev

Proceedings Volume 5226, (2003) https://doi.org/10.1117/12.519484

KEYWORDS: Interferometry, Holograms, Phase interferometry, Reflection, Holography, Semiconductor lasers, Holographic interferometry, 3D image reconstruction, 3D metrology, Phase measurement

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Proceedings Article | 4 November 2003 Paper

Speckle-shear interferometry with increased sensitivity

Ventseslav Sainov, Nikola Mechkarov, Assen Shulev, Wim De Waele, Joris Degrieck, Pierre Boone

Proceedings Volume 5226, (2003) https://doi.org/10.1117/12.519488

KEYWORDS: Interferometry, Mirrors, Prisms, Nondestructive evaluation, Composites, Sensors, Argon ion lasers, Glasses, Optical storage, Data processing

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Proceedings Article | 30 May 2003 Paper

Fatigue detection by 2D folding shear interferometry with magnification

Ventseslav Sainov, Assen Shulev, Sonja Ossikovska, Andrew Irving

Proceedings Volume 5144, (2003) https://doi.org/10.1117/12.499919

KEYWORDS: Interferometry, Composites, Mirrors, Inspection, Phase measurement, Semiconductor lasers, Solar concentrators, Mechanics, Nondestructive evaluation, Nanoimprint lithography

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Proceedings Article | 27 May 2003 Paper

New automatic FFT filtration method for phase maps and its application in speckle interferometry

Assen Shulev, Ilija Russev, Ventseslav Sainov

Proceedings Volume 4933, (2003) https://doi.org/10.1117/12.516658

KEYWORDS: Fringe analysis, Digital filtering, Linear filtering, Image filtering, Speckle interferometry, Speckle, Gaussian filters, Optical filters, Fourier transforms, Photomasks

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Proceedings Article | 29 June 2001 Paper

Electrical and transport characteristics of doped Bi12TiO20 photorefractive single crystals

Vera Marinova, Ventseslav Sainov

Proceedings Volume 4430, (2001) https://doi.org/10.1117/12.432880

KEYWORDS: Crystals, Aluminum, Cadmium, Copper, Electrons, Holography, Chromium, Silver, Doping, Chemical elements

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Proceedings Article | 1 February 1998 Paper

Portable device for in-situ recording of reflection holograms with diode lasers

Ventseslav Sainov, Tsveta Petrova, Aneta Dimitrova, P. Verhoeven, Roel Baets, Huu Thanh Nguyen, B. Verhegghe, Joris Degrieck, Pierre Boone, Ben Depuydt, Carel van den Poel, Adriaan Valster, Irina Veretennicoff, Hugo Thienpont, Erik Stijns

Proceedings Volume 3358, (1998) https://doi.org/10.1117/12.301501

KEYWORDS: Holography, Holograms, Diffraction, Semiconductor lasers, Visualization, Fractal analysis, 3D modeling, Photonics, Bridges, Tungsten

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Proceedings Article | 25 March 1996 Paper

Recording and copying of reflection holograms with a semiconductor laser

Ventseslav Sainov, Tsveta Petrova, Aneta Dimitrova, Carel van den Poel, Adriaan Valster, Irina Veretennicoff, P. Verhoeven, Roel Baets, Huu Thanh Nguyen, Pierre Boone

Proceedings Volume 2652, (1996) https://doi.org/10.1117/12.236075

KEYWORDS: Holography, Holograms, Semiconductor lasers, Diffraction, 3D image reconstruction, Silver, Reflection, Coating, Visible radiation, Photography

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Proceedings Article | 23 June 1995 Paper

Optoelectronic feedback system for measuring the shape of large format objects

Ventseslav Sainov, Georgi Stoilov, Dimitar Tontchev, Todor Dragostinov, Aneta Dimitrova

Proceedings Volume 2545, (1995) https://doi.org/10.1117/12.212664

KEYWORDS: Phase shifts, Mirrors, Digital signal processing, CCD cameras, Interferometers, Moire patterns, Michelson interferometers, Interference filters, Interferometry, Calibration

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Proceedings Article | 23 June 1995 Paper

In-plane and out-of-plane displacement measurement in a wide dynamic range with a modified ESPI system

Pierre Boone, Ventseslav Sainov, Johan van der Linden

Proceedings Volume 2545, (1995) https://doi.org/10.1117/12.212659

KEYWORDS: Digital signal processing, Interferometry, Moire patterns, CCD cameras, Holography, Phase interferometry, Visualization, Phase shifts, Nondestructive evaluation, Signal to noise ratio

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Proceedings Article | 1 July 1991 Paper

Holographic in-plane displacement measurement in cracked specimens in plane stress state

Ventseslav Sainov, Eli Simova

Proceedings Volume 1461, (1991) https://doi.org/10.1117/12.44725

KEYWORDS: Holography, Moire patterns, Visibility, Holograms, Mechanics, Fringe analysis, Optical filters, Chemical elements, Photography, Holographic interferometry

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Showing 5 of 27 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 19 May 2006

Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information

Conference Committee Involvement (1)

Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information

21 May 2005 | Varna, Bulgaria

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