2006 3dmod Pres

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  • N. DApuzzo, 14.6.06 13D Modelling 2006, Paris, France

    www.homometrica.chSTATE OF THE ART OF THE METHODS FOR STATIC3D SCANNING OF PARTIAL OR FULL HUMAN BODY

    Dr. Nicola DApuzzo

  • N. DApuzzo, 14.6.06 23D Modelling 2006, Paris, France

    www.homometrica.chContents of presentation

    Measurement - Applications - Technologies

    Overview and state of technology

    Introduction on 3D human body digitization

    Methods Scanning systems

    Examples of applications

    Different fields

  • N. DApuzzo, 14.6.06 33D Modelling 2006, Paris, France

    www.homometrica.ch3D Surface digitization of the human body

    Full body

    Face

    Foot

    Half body

    Skin

    Legs

    Arms

    Hands

    Body parts

    Back

    Chest

    What can be measured?

  • N. DApuzzo, 14.6.06 43D Modelling 2006, Paris, France

    www.homometrica.ch

    Animation

    Computer games

    Ergonomics

    Medicine / Forensic

    Anthropology

    Cosmetics / Dermatology

    Biometry / Security

    Fitness / Sport

    Appeal / Fashion / Beauty

    Art / Sculpture

    Communications

    Where to use it?

    3D Surface digitization of the human body

  • N. DApuzzo, 14.6.06 53D Modelling 2006, Paris, France

    www.homometrica.ch

    How to measure?

    Laser Scanning

    White light projection

    Silhouette/Modeling

    3D Surface digitization of the human body

  • N. DApuzzo, 14.6.06 63D Modelling 2006, Paris, France

    www.homometrica.ch

    Where are the systems produced/developed

    3D Surface digitization of the human body

  • N. DApuzzo, 14.6.06 73D Modelling 2006, Paris, France

    www.homometrica.ch

    Laser scanning

    White light projection

    Modeling / Other

    Where are the systems produced/developed

    3D Surface digitization of the human body

    Europe 0

    Asia 4

    N. America 7

    22

    3

    7

    7

    0

    5

    29

    7

    19

    11 32 12 55

  • N. DApuzzo, 14.6.06 83D Modelling 2006, Paris, France

    www.homometrica.ch

    Different systems?Example Full Body Scanning: 21 companies, 33 products

    3D Surface digitization of the human body

    Different results equipment processing application 20000 - 400000

  • N. DApuzzo, 14.6.06 93D Modelling 2006, Paris, France

    www.homometrica.ch

    Different systems?

    Example Face Scanning: 28 companies, 40 products

    3D Surface digitization of the human body

    Different results equipment processing application 500 - 100000

  • N. DApuzzo, 14.6.06 103D Modelling 2006, Paris, France

    www.homometrica.ch

    Selection of adequate product/system

    3D Surface digitization of the human body

    1. List clearly the requirements

    full body

    2. Consider more criterions

    Measurement of?head face foot hands skin back parts

    accuracyQuality & type of result?

    resolution surface texturepoint cloud color b/w

    acquisition timeProcessing?

    processing time technical know-how automatism

    space limitationEnvironment?

    transportability light condition sterilization

    crystal engravingDedicated solutions?

    mass customization plastic surgery

    installation

    computer games

    Technical expert assistance Consulting !

  • N. DApuzzo, 14.6.06 113D Modelling 2006, Paris, France

    www.homometrica.chContents of presentation

    Measurement - Applications - Technologies

    Introduction on 3D human body digitization

    Overview and state of technology

    Methods Scanning systems

    Examples of applications

    Different fields

  • N. DApuzzo, 14.6.06 123D Modelling 2006, Paris, France

    www.homometrica.ch

    Laser Scanning

    White light projection

    Silhouette/Modeling

    Full bodyHead/faceFoot

    Full bodyFaceFoot

    Body sizesFaceFoot

    Methods Scanning Systems

  • N. DApuzzo, 14.6.06 133D Modelling 2006, Paris, France

    www.homometrica.chLaser scanning

    Method:

    Laser stripe projected onto the human body

    Light sensor acquire the scene

    Triangulation: distance projected line - sensor

    To scan surface parts: displacement of line

    Laser scanning system:

    Laser beam

    Optics

    Light sensor

    Displacement mechanism:optical, electromechanical, mechanical, free

    laser sensorb

    ad

    Scanning head

  • N. DApuzzo, 14.6.06 143D Modelling 2006, Paris, France

    www.homometrica.ch

    Full body scanner (VITRONIC GmbH)

    3 scanner units moves vertically along 3 pillars

    Head scanner (Cyberware Inc.)

    1 scanner unit moves horizontally around a person

    Foot scanner (Vorum Research Corp.)

    3 scanner units moves horizontally along the foot

    Laser scanning - Setup (examples)

  • N. DApuzzo, 14.6.06 153D Modelling 2006, Paris, France

    www.homometrica.ch

    Full body scanner Vitus LC (VITRONIC GmbH)

    3 scanner units moves vertically along 3 pillars

    Total scanning time: ~ 12 seconds

    Laser scanning - Setup (examples)

  • N. DApuzzo, 14.6.06 163D Modelling 2006, Paris, France

    www.homometrica.ch

    Head scanner 3030RGB/PS (Cyberware Inc.)

    1 scanner unit moves horizontally in circle around a person

    Total scanning time: ~ 17 seconds

    Laser scanning - Setup (examples)

  • N. DApuzzo, 14.6.06 173D Modelling 2006, Paris, France

    www.homometrica.ch

    Foot scanner YETI (Vorum Research Corp.)

    3 scanner units moves horizontally along the foot

    Total scanning time: ~ 4 seconds

    Laser scanning - Setup (examples)

  • N. DApuzzo, 14.6.06 183D Modelling 2006, Paris, France

    www.homometrica.ch

    Laser Scanning

    Silhouette/Modeling

    Full bodyHead/faceFoot

    Body sizesFaceFoot

    White light projectionFull bodyFaceFoot

    Methods Scanning Systems

  • N. DApuzzo, 14.6.06 193D Modelling 2006, Paris, France

    www.homometrica.chCoded light projection

    Method:

    Coded light projected onto the human body

    Camera(s) acquire the scene

    Triangulation: distance projected lines - sensor

    Coding system to determine position of source:

    binary code, vertical, horizontal, color code, squared, dotted pattern

    projector camerab

    ad

  • N. DApuzzo, 14.6.06 203D Modelling 2006, Paris, France

    www.homometrica.ch

    Fullbody Scanner (InSpeck Inc.)

    3 pillars placed around a person

    Face scanner (Breuckman GmbH)

    1 projector and 2 cameras

    Foot scanner (Precision 3D Ltd.)

    5 projectors and 5 camera

    Coded light projection Setup (examples)

  • N. DApuzzo, 14.6.06 213D Modelling 2006, Paris, France

    www.homometrica.ch

    Fullbody Scanner Mega 3P (InSpeck Inc.)

    3 pillars placed around a person

    Each pillar has 2 sensor units

    Sensor unit: projector and camera

    Total scanning time: ~ 4 seconds

    projector

    camera

    Coded light projection Setup (examples)

  • N. DApuzzo, 14.6.06 223D Modelling 2006, Paris, France

    www.homometrica.ch

    Face scanner faceSCAN-II (Breuckman GmbH)

    1 projector and 2 cameras

    2 independent acquisitions

    Total scanning time: ~ 1 second

    Coded light projection Setup (examples)

    camera 1 camera 2projector

  • N. DApuzzo, 14.6.06 233D Modelling 2006, Paris, France

    www.homometrica.ch

    Foot scanner FotoScan (Precision 3D Ltd.)

    5 units: each 1 projector and 1 camera

    5 acquisitions (around + bottom)

    Total scanning time: ~4 second

    Coded light projection Setup (examples)

  • N. DApuzzo, 14.6.06 243D Modelling 2006, Paris, France

    www.homometrica.ch

    Laser Scanning

    White light projection

    Full bodyHead/faceFoot

    Full bodyFaceFoot

    Silhouette/Modeling

    Body sizesFaceFoot

    Methods Scanning Systems

  • N. DApuzzo, 14.6.06 253D Modelling 2006, Paris, France

    www.homometrica.chModeling / image processing

    Method:

    Real 3D measurement is not performed

    Image processing / modeling techniques are usedto gain 3D information from 2D images

    Examples:

    Body sizes measurementfrom two images

    Realistic 3D face modelsfrom anthropometrical databaseand two photographs

    Foot size measurement

  • N. DApuzzo, 14.6.06 263D Modelling 2006, Paris, France

    www.homometrica.ch

    2D Full Body Scanner (Human-Solutions GmbH)

    Setup: 1 camera, 2 lights, calibration panel

    camera

    lightlight

    calibration panel

    Two acquisitions: front and side

    From silhouettes: extraction of body sizes

    Accuracy: < 1mm

    Modeling / image processing - Examples

  • N. DApuzzo, 14.6.06 273D Modelling 2006, Paris, France

    www.homometrica.chModeling / image processing - Examples

    3D Face Modeler FaceGen (Singular Inversions)

    Modeling software (anthropometric database)

    Predefined, parameterized 3D face model

    3D shape can be easily modeledto fit photographs (+ texture mapping)

  • N. DApuzzo, 14.6.06 283D Modelling 2006, Paris, France

    www.homometrica.ch

    2D Foot Scanner FootScan (VisImage Systems Inc.)

    Setup: desktop scanner (consumer market)

    Acquisition of foot images

    Automatic extraction of foot sizes

    Modeling / image processing - Examples

  • N. DApuzzo, 14.6.06 293D Modelling 2006, Paris, France

    www.homometrica.chContents of presentatio