Q.IRT10Quebec

Proceedings of the 10th edition of the

Quantitative Infrared Thermography

International Conference

July 27-30,2010, Quebec City (Canada)

Conference officially hosted by

UNIVERSITE

LAVAL

Conference organized by

Canada Research Chairon Multipolar Infrared Vision Infrarouge Muitipolaire (MIVIM)of the Electrical and Computer Engineering Department

X.P.V. Maldague, Editor

t du CAO

a la frontiere des connaissances

at the cutting edge of knowledge

Table of contents

Preface xvn

Plenaries

Personal thoughts on the occasion of the Xth QIRT Conference 3

D. Balageas

A combination of temperature, vegetation index, and albedo measurements obtained

by airborne hyperspectral remote sensing for the evaluation of soil surface moisture 5

J.-C. Krapez

Infrared photo-thermography for standoff detection of explosive substances

at distances up to 150 meters 13

C. Kumar, N. Patel

Infrared lock-in carrierography (photocarrier radiometric imaging) of

semiconductors and Si solar cells 15

A. Mandelis

Development of self-reference lock-in thermography and its application toremote nondestructive inspection of fatigue cracks in steel bridges 17

T. Sakagami, Y. Izumi, N. Mori, S. Kubo

Biomedical Applications

Continuous monitoring of radiotherapy through infrared image processing 27

I.Benko, G.J. Koteles

Thermographic assessment of cold stimulation on autonomic vascular reactions 33

S. Edwards

Wavelength-modulated differential photothermal radiometry for non-invasive

blood glucose detection 37

X. Guo, A. Mandelis, A. Matvienko, K. Sivagurunathan, B. Zinman

Real-time monitoring of dental lesions using transmission-mode photothermalradiometry and modulated luminescence 39

A. Hellen, A. Mandelis, Y. Finer, B.T. Amaechi

Decision classification criteria forADTin burn diagnostic basing on in-vivo animal experiments 41

M. Kaczmarek

Quantitative dual-spectrum infrared approach for breast cancer detection 49

C.Y. Lee, C.C. Chuang, Z.W. Chang, W.J. Lee, C.Y. Lee, S.C. Lee, C.S. Huang,Y.C. Chang, CM. Chen

iii

Observing temperature fluctuations in humans using infrared imaging 55

W. Liu, J. Meyer, C.G. Scully, E. Elster, A.M. Gorbach

Physiological characteristics of heat and cold weak effects in the Zakharin-Head zones 65

E. Lyzhko

Finger thermoregulatory model assessing functional impairment in Raynaud's phenomenon 71

A. Mariotti, G. Grossi, P. Amerio, G. Orlando, P. A. Mattei, A. Tulli, G. L. Romani, A. Meria

Quantitative analysis of dental tissue properties using photothermal radiometry 73

A. Matvienko, A. Mandelis, A. Hellen, R. Jeon, S. H. Abrams, B. T. Amaechi

Clinical applications of medical thermography 75

A. Mostovoy

Implementation of active dynamic thermography in medical diagnostics 77

A. Nowakowski

Infrared monitoring of laser-tissue interaction for dermatological applications 79

M. Rippa, L. Petti, A. Meria, A. Baldo, G. Monfregola, P. Mormile

Time-frequency analysis of skin temperature in a patient with a surface tumor

monitored with infrared imaging 81

C.G. Scully, W. Liu, J. Meyer, A. Dementyev, K.H. Chon, P. Innominate, F. Levi, A.M. Gorbach

Wavelet based statistical descriptor for precise decision making in the interpretation

of breast cancer thermographs 89

N. Selvarasu, A. Nachiappan

Imaging and quantitative characterization of bilateral vasomotor reactions in humans

using high-performance thermography 91

B.G. Vainer, A.L. Markel

Calibration and Metrology

Shape and temperature field distorsions induced by convective effect on hot

object in the near infrared and infrared spectral band 97

A. Delmas, Y. Le Maoult, J.-M. Buchlin, T. Sentenac, JJ. Orteu

New approach on determination of emissivity fields using bicolor reflectometry technique 105

R.Gilblas, T. Sentenac, D. Hernandez, Y. Le Maoult

The use ofextension tubes in thermography 113

M. Kaluza, B. Wiecek, G. De Mey

Temperature measurement at large distance of plasma-facing surfaces in

fusion reactor by active pyrometry 117

D. Melyukov, C. Sortais, D. Farcage, A. Semerok, P.-Y. Thro, E. Gauthier

IV

Thermoelastic analysis of a bearing-cage seam weld 125

E. Planting, R. Parvataneni, Y. Zhoua, A. Mayyas, J. Nakagawa, M. Omarc

Fast and accurate calibration-based thermal / colour sensors registration 127

L. St-Laurent, D. Prevost, X. Maldague

Estimating and quantifying theoretical errors of temperature measurement in

bi-spectral thermography 135

V. Tortel, Y. Sfaxi, R. Khelalfa

Pixel-wise advanced calibration method for infrared cameras 143

P. Tremblay, L. Belhumeur, M. Chamberland, A. Villemaire, P. Dubois,

F. Marcotte, C. Belzile, V. Farley, P. Lagueux

Civil Engineering

Development of an aclimatiezed chamber for lR based diagnostic research 147

E.C. Bortoni, G.S. Bastos, L.E. Souza, M.A.C. Craveiro, L. Santos

Evaluation of FRP gluing on concrete structures by active infrared thermography 155

J. Dumoulin, C. Ibarra-Castanedo, M. Quiertant, F. Taillade, A. Bendada, X. Maldague

High resolution and automatic survey of buildings by IR thermography 165

E. Grinzato, G. Cadelano, P. Bison, F. Peron, X. Maldague

Influence of air-gaps on the thermal behaviour of the plaster-concrete bond 167

R. Krankenhagen, G.N. Kervalishvili, Ch. Maierhofer

Hybrid digital image correlation/thermographic system for displacementand defects in civil engineering structures observation 173

M. Kujawiriska, M. Bukalska, G. Dymny

Diagnostic of insulated building walls of old restored constructions using active

infrared thermography 179

M. H.A. Larbi Youcef, L. I bos, V. Feuillet, P. Balcon, Y. Candau, A. Filloux

Investigating historic masonry structures at different depth with active thermography 187

Ch. Maierhofer, R. Krankenhagen, M. Rdilig, J. Schlichting, M.Schiller,

Th. Seidl, R. Mecke, U. Kalisch, Ch. Hennen, J. Meinhardt

The influence of carbon dioxide on dynamic thermography results 195

M. Moderhak, M. Bajorek

DEFBETIR: Detection by infrared thermography ofthe heat signature of

diseases and defects in concrete structures of civil engineering 197

M. Nahant, S. Paez, J. Van Leeuwen

V

New method for two-point nonuniformity correction of microbolometer detectors 205

R. Olbrycht, B. Wiecek, T. Swia.tczak

Electronics & Semiconductors

Quantitative imaging of physical parameters of breakdown sites and avalanche

multiplication in solar cells by lock-in thermography 213

O. Breitenstein, J. Bauer, J.-M. Wagner

Application of thermal camera to optimize assembly methods of laser diodes 219

J. Rybihski, M. Bednarek, P. Wisniewski, T. Swietlik

Interpretation of lock-in thermography on thin film solar cells implying dissipative

and Peltier contributions 221

H. Straube, J.-M. Wagner, O. Breitenstein

Narrow-band infrared examination of solid-state structures 229

B. G. Vainer, G.N. Kamaev

Environment

Development of models to extract ambient variables influence from outdoor

thermographic inspections 237

E.C. Bortoni, L. Santos

Implementation of an infrared camera for road thermal mapping 245

M. Marchetti, M. Moutton, S. Ludwig, L. I bos, V. Feuillet, J. Dumoulin

Infrared thermography of solid surfaces under fire 253

J. Melendez, A. Foronda, J. M. Aranda, F. Lopez, F. J. Lopez del Cerro

Fluid Dynamics & Energetics

IR imaging for stability analysis of industrial burner 263

C. Allouis, R. Pagiiara, A. Saponaro

Infrared thermography measurements on ablative thermal protection systems

for interplanetary space vehicles 273

C. O. Asma, B. Helber, L Di Lello, T. Magin

Heat transfer enhancement with ribs in natural convection 277

G. Cardone, M. Panelli

Experimental assessment of a new technique for measuring heat transfer coefficients 285

G.M. Carlomagno, S. Discetti, T. Astarita

vi

A novel Infrared Thermography (IRT) based experimental technique for

distributed temperature measurements in hot gas flows 293

M. Gallo, J. P. Kunsch, T. Rosgen

Effect of nozzle shape on local heat transfer distribution in impinging jets 301

R. Herrero, J.M. Buchlin

IR wall heat transfer in swirling impinging jets 307

A. laniro, G. Cardone, G. M. Carlomagno

Comparison between experimental IR measurements and numerical

prediction in hypersonic flows 315

A. laniro, G. Cardone, M. Di Clemente, G. Rufolo

High throughput characterization of gas/solid systems using infrared thermography 323

J. Jolly, B. Pavageau, J.M. Tatibouet

Detecting the wastewater leakage from cesspool using noisy thermographic images 325

A. Lesniak, B. Bukowska-Belniak

Transition detection on an Ultra-Streamlined vehicle using IR thermography 331

Ph. Planquart, A. Claesen, J.M. Buchlin

Heat transfer investigation in an hypersonic boundary layer 337

P. Schreivogel, G. Paniagua, H. Bottini, D. Masutti, O. Chazot, J.P. Solano

Investigation of Gortler vortices in a hypersonic double compression ramp

flow by means of infrared thermography 339

F.F.J Schrijer

Implementation of thermography for determination of air jet geometry in HVAC systems 347

S. Svaic, I. Boras, D. Dovic

Frequency analysis of convective cooling for the multi heat-source electronic

systems - modeling and IR measurements 357

T. Swiatezak, B. Wiecek, G. De Mey

A novel technique for the continuous evaluation of a burning rate of solid rocket

propellant by using IR thermography 365

W. Swiderski, M. Miszczak, A. Panas

Image & Data Processing

Signal to noise ratio (SNR) comparison for pulsed thermographic data processing

methods applied to welding defect detection 375

P. Albendea,F. J. Madruga ,

A. Cobo, J. M. L6pez-Higuera

Vli

Spatio-temporal filtering of acti\e thermography data for noise reduction and data compression 383

Z. Alsaadawi, U. Netzelmann

Random photothermal thermography: Principle and examples of applications 391

J.L. Bodnar, J.C. Candore, J.L. Nicolas, D. Caron

Defect detection and characterisation in composite materials using active IR

thermography coupled with SVD analysis and thermal quadrupole modeling 399

V. Feuillet, L. Ibos, M. Fois, J. Dumoulin, Y. Candau

Fourier based stabilisation ofthermal images in dynamic thermography 407

M. Moderhak

Region of interest extraction based on multi-resolution analysis for infrared

non destructivs testing 417

B. Ortiz-Jaramillo, H. Benitez-Restrepo, J. Garcia-Alvarez, G. Castellanos-Dominguez

Probability of detection for in field thermal non destructive testing of aircraft composite structures ...425

P. Servais, C. Ibarra-Castenado, X. Maldague, Y. Gelebart, Y. Duan

Application of the Source Distribution Image (SDI) procedure for porosity

detection in honeycomb structures 427

M. Susa, X. Maldague, I. Boras

Some novel approaches to thermal tomography of CFRP composites 433

V. Vavilov, D. Nesteruk, V. Shirayev, A. Ivanov

On-off modulated thermography of composite material and signal processing 441

G. Xingwang, L. Zheng, L. Yingtao

Infra Red Signature & Recognition

A new fusion framework for multispectral IR face recognition in the texture space 451

M. Akhloufi, A. Bendada

Multispectral Infrared Face Recognition: a comparatixre study 459

M. Akhloufi, A. Bendada

Analysis of infrared images in integrated-circuit techniques by mathematical filtering 467

I. Benko

Detection of foreign bodies in comestible product using sequence of low contrast

thermographic images 475

B. Bukowska-Belniak, A. Lesniak, A. Stasz, P. Kieikowski, R. Michalski

Application of the morphological operations for defect area recognition usingactive thermography 481

S. Dudzik

Vill

Analysis of Fourier images of thermograms for purposes of machine diagnostics 489

M. Fidali

Filtered thermal contrast - error analysis 495

S. Grys, W. Minkina

Errors of thermographic measurements - exercises 503

W. Minkina, S. Dudzik, S. Grys

Automatic defect classification in inductive thermo-graphical testing 511

B. Oswald-Tranta, M. Sorger

Quantitative method of evaluating for recognize people, based on thermograms 519

G. Owczarek, R. Strqkowski, M. Wiecek

Digital analysis of thermal images 527

S. Rogotis, V. Chatziathanasiou, S. Kadi

Infrared face recognition: A review of the state of the art 533

R. Shoja Ghiass, A. Bendada, X Maldague

Image analysis in computer vision: A high level means for non-destructive

evaluation of the marbling in the beef meat 541

A. Ziadi, X. Maldague, L. Saucier

Microscale Applications

Heterodyne techniques for the measurement of high frequency (up to 10 kHz)

periodic thermal excitation with InfraRed camera 551

L. Clerjaud, C. Pradere, S. Dilhaire, J.C. Batsale

Thermal analysis of Fluid flow in microchannels. Application to nanofluids 553

O. Fudym, F. Sepulveda, H. Massard

Thermal characterization of silicon integrated spiral inductors by thermal

impedance using transient thermography - first approach 555

M. Kaluza, G. Papagiannopoulos, B. Wiecek, V. Chatziathanasiou,

A. Hatzopoulos, G. De Mey

Region of interest extraction using redundant wavelet transform and

unsupervised techniques on thermal imaging 561

B. Ortiz-Jaramillo, J. Garcia-Alvarez, J. Rodriguez-Sotelo,

D. Peluffo-Ord6nez, G. Castellanos-Domfnguez

Modeling

Near infra-red imaging with the radiative transfer equation: A comparative

study with finite elements 565

O. Balima, J. Boulanger, A. Charrette, D. Marceau

ix

Detecting hidden defects on a thin metallic plate 573

P. Bison, M. Ceseri, G. Inglese

Assistance to the restoration of historical frescoes by stimulated infrared thermography 575

J.C. Candore, J.L Bodnar, V. Detalle, P. Grossel

Thermal analysis of structural masonry in concrete block containing

expanded polystyrene (EPS) using digital infrared thermography 583

R.B. Conselho Sales, F.A. Sales, S. Goncalves Tavares, R. Marcio de Andrad

An implicit finite-difference model for thermal processes simulation and surveys 587

G. Ghodsi, D. Gavrilov, E. Maeva, R. Gr. Maev

Quantitative infrared wall inspection 589

T. Kisilewicz, A. Wr6bel

Thermal sensitivity analysis applied on infrared thermography evaluation 595

F. R. Lopez, V. P. Nicolau

Detection of a mosaic hidden behind a plaster layer by IR thermography 597

A. Mazioud, L. Ibos, J. Dumoulin

IR non-destructive testing experiment design 605

D. Necsulescu, S. Bayat, M. Eghtesad

Estimation of the spatial distribution of high impulsed heat flux stimulations

through infrared thermography 611

B. Remy, A. Serrand, A. Degiovanni, J.P. Lasserre, Y. Loreau,

L. Voisin, T. Desanlis, B. Bicrel, A. Galtie

Finite element analysis of heat generation in ultrasonic thermography 619

A. Saboktakin, C.lbarra-Castanedo, A. Bendada, X. Maldague

Cross-correlation based compression techniques for frequency modulated thermal wave imaging ..625

G. Venkata Subbarao, R. Mulaveesala, M. Takei

Monitoring & Maintenance

Application of tele- and thermovision to assessment of quality of welded joints 635

M. Fidali, A. Timofiejczuk, A. Bzymek, W. Jamrozik, A. Czupryriski

Application of thermal methods for characterization of steel welded joints 637

U. Galietti, D. Palumbo

Calculation and infrared measurement identification of shell temperaturedistribution on overhead heat pipeline placed in open air space 645

T. Kruczek, A. Fic

X

Study of the heating of a glass substrate in a spray CVD reactor 653

P.O. Logerais, O. Riou, V. Froger, A. Bouteville

Automated defect detection in large-scale bonded parts by active thermography 661

C. Thiemann, M. F. Zaeh, C. Srajbr, S. Boehm

Estimation of steel slag parameters using thermal imaging and neural networks classification 669

M. Wiecek, R. Strakowski, B. Wiecek, R. Olbrycht, T. Swia.tczak, W. Wittchen, M. Borecki

Optical characterization of growing thin films at high temperatures by analysis

of near infrared emissivity variations using CCD thermal imaging 675

G. Zauner, F. Mayrhofer, G. Hendorfer

New Technologies

Near infrared imaging for multi-polar civilian applications 685

A. Ebeid, S. Rott, E. Talmy, C. Ibarra-Castanedo, A. Bendada, X. Maldague

Thermal converter for quantitative, 2D and 3D real-time TeraHertz imaging 693

C. Pradere, S. Salort, E. Chalumeau, J-P. Caumes, B. Chassagne, J.C. Batsale

NonDestructive Evaluation & Testing

NDT characterisation of carbon-fibre and glass-fibre composites using

non-invasive imaging techniques 703

N.P. Avdelidis, C. Ibarra-Castanedo, A. Bendada, E. Saarimaki,

T. Kauppinen, M. Koui, X.P.V. Maldague

Infrared thermography analysis of the equipment beneath the chassis of

metropolitan railway vehicles 711

J.A. Capote, D. Alvear, O.V. Abreu, M. Lazaro, J. Hernando

Infrared thermography and ultrasonic C-Scan for non destructive evaluation

of aerospace materials: A comparative study 713

Y. Duanac, C. Zhangb, X. Lib, N. Wua, X. Maldague

Feature extraction from lockin-thermography phase-images 721

Y. Duanac, C. Zhangb, X. Lib, N. Wua, X. Maldague

Identification and localization ofsurface and buried heat sources through

curve fitting of the temperature-time profile for vibrothermography 723

S.D. Holland

Multimodal defect quantification 731

S. Huebner, B.V. Stackelberg, T. Fuchs

Xl

Defect detection of pipes using shearography and lock-in infrared thermography 737

K.S. Kim, K.S. Kim, D.S. Kim, D.P. Hong, S.M. Yang,

M.Y. Choi, H.S. Chang, CD. Kee, H.C. Jung

Signal to noise ratio (SNR) comparison for lockin thermographic data

processing methods in CFRP specimen 739

F. J. Madruga, P. Albendea, C. ibarra-Castanedo, J. M. L6pez-Higuera

Towards the use of passive and active infrared thermography to inspect

metallic components in the mechanical industry 745

S. Maillard, J. Cadith, D. Eschimese, H. Walaszek, H. Mooshofer, J.C. Candore, J.L. Bodnar

Ultrasound lockin thermography as a quantitative technique for qualitycontrol assessment of cast iron turbine components 753

R. Montanini, G.L. Rossi, F. Freni

Using ultrasound infrared thermography to detect defects in pipes 761

H. S. Park, M. Y. Choi, J. H. Park, S. S. Lee

Structural-thermal FE simulation of vibration and heat generation of

cracked steel plates due to ultrasound excitation used for vibrothermography 763

R. Plum, T. Ummenhofer

Application of vibrothermography to the depth characterization of delaminations 771

A. Salazar, A. Mendioroz, E. Apinaniz, A. Oleaga, P. Venegas, I. Saez-Ocariz

Defect sizing by local excitation thermography 773

J. Schlichting, Ch. Maierhofer, M. Kreutzbruck

Lock-in thermography for process integrated non-destructive evaluation of

carbon fiber reinforced aircraft structures 781

T. Ullmann, R. Aoki, T. Schmidt

An experimental study of sub-surface defects detection of bakelite using

Active mode thermography 789

M.Z Umar, A. R. Hamzah, V. Vavilov

Photothermal & Photoacoustic techniques

Large dimension photothermal screen for the characterization of very short

pulsed microwave fields using infrared thermography 793

D. Balageas, P. Levesque

Boundary effects on the efficiency of direct infra-red optical tomography 801

J. Boulanger, O. Balima, A. Charrette

Free carrier diffusion-wave modulation of a sub-bandgap cw laser beam 809

A. Mandelis, J. Tolev

xii

Thermophotonic lock-in imaging: An active thermography system for detecting

early carious lesions in human teeth 811

N. Tabatabaei, A. Mandelis, B.T. Amaechi

Dual-mode photoacoustic phased-array imager for biomedical applications 813

S. Telenkov, A. Mandelis

Solid Mechanics

Analysis of the possibility of defect determination using cold excitation in thermal tomography 817

M. Bajorek, A. Nowakowski

Experimental procedure and characterization of the thermo-elastic behaviour

of rubber-like materials 825

N. Boucart, Ml. Brieu, Y. Desplanques, D. Kondo

Full field experimental stress/strain analysis by thermographic stress analyser

forfatigue crack detection during HCF testing. Examples in automotive and aircraft industry 827

P. Bremond

Thermoelastic stress analysis of titanium components and simultaneous

assessment of residual stress 831

U. Galietti, D. Palumbo

Defect estimation of aircraft and aerospace components based on neural

network using lock-in thermography 839

L. Junyan, L. Huijuan , W.Yang, D. Jingmin

Condition monitoring of fault diagnosis under lubrication condition in ball

bearing using infrared thermography 841

W.T. Kim, D.Y. Kim, J.W. Lee, D.P. Hong

Inspection of the leakage for the closure plug of heavy water reactor using

infrared thermography in nuclear on-site application 843

S. G. Lee, W. T. Kim

Comparison of Vibrothermography (VT) and digital industrial radiography (DIR)

computed radiography (CR) for NDT of welded joins 845

K.A. Mohd Salleh, A. Bendada, C. Ibarra-Casta nedo, X. P. V. Maldague, A.R, Hamzah

Nondestructive inspection of luxury yacht glass reinforced composite panels

by means of transient thermography 853

R. Montanini, F. Freni

Temperature evolution in shape memory alloy during loading in various conditions 861

E.A. Pieczyska, H. Tobushi

xiii

Temperature visualisation of shape memory alloy various behavior 863

E.A. Pieczyska, H. Tobushi

Infrared image processing for online quality control in laser welding 869

S. Sahli, S. Fissette, X. Maldague

Thermographic Signal Reconstruction method

Thickness or diffusivity measurements from front-face flash experiments

using the TSR (thermographic signal reconstruction) approach 873

D. Balageas

Quantitative assessment ofthe improvement of the detection of defects by pulse

thermography thanks to the TSR approach in the case of a smart composite repair patch 881

D. Balageas, B. Chapuis, G. Deban, F. Passilly

Thermographic signal reconstruction with periodic temperature variation

applied to moisture classification 889

P. Bison, G. Cadelano, E. Grinzato

A hybrid pulsed thermography processing technique for the depth estimation

of subsurface defects combining TSR and PPT 897

M. Klein, A. Bendada, C. Ibarra-Castanedo, X. Maldague

Contrast comparison between frequency- and time-domain photoacoustic imaging 899

B. Lashkari, A. Mandelis

Comparison ofthe defect detection capabilities of flash thermographyand vibration excitation shearography 901

S. G. Pickering, D.P. Almond

TSR: origins and observations 909

S. M. Shepard

Thermophysics

Dual-band active thermography on infrared transparent materials 913

M. Abuhamad, U. Netzelmann

Simple possibilities ofthermal diffusivity estimation for small-sized samples,

with a laser pulse heating and infrared cameras 921

V. Ayvazyan, J.-C. Batsale, C. Pradere

Improved algorithm to reconstruct the thermal conductivity depth profile in hardened steels 929

R. Celorrio, E. Apinaniz, A. Mendioroz, A. Salazar, A. Mandelis

xiv

Development of a hybrid non-destructive inspection system combining induction

thermography and eddy current techniques 931

M. Grenier, C. Ibarra-Castanedo, X. Maldague

Porosity determination by pulsed thermography in reflection mode 933

G. Mayr, G. Hendorfer

Phase lock-in laser active pyrometry for surface layer characterisation of Tokamaks walls 941

D. Melyukov, C. Sortais, A. Semerok, P.Y. Thro, X. Courtois, D. Farcage

Multispectral opticothermal system for the process dynamics measurement

in the material strength examinations 947

L. Rozanski, A. Trafarski

Accurate measurements of the thermal diffusivity of thin films and thin filaments

using lock-in thermography 951

A. Salazar, A. Mendioroz, R. Fuente, R. Celorrio

Extending flash thermography method for thermal diffusivity measurements

using finite pulse widths 953

A. Vageswar, K. Balasubramaniam, C.V. Krishnamurthy

Works of Art & Buildings

Active thermography data processing for the NDT&E of frescoes 961

A. Bendada, S. Sfarra, D. Ambroslni, D. Paoletti, C. Ibarra-Castanedo, X. Maldague

Approach ofthe measurement ofthermal diffusivity of mural paintings by front

face photothermal radiometry 967

J.C. Candore, J.L. Bodnar, V. Detalle, B. Remy, P. Grossel

A comparison of near- and mid-infrared band reflectography in the diagnostics of artwork 975

D. Gavrilov, C. Kais, E. Maeva, R. Gr. Maev

Application of lR thermography to mesurements on synchronous hydrogenerator in rotation 981

S. Stipetic, ZHanic, M. Vrazic

Author index 989

Index 993

XV