[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Stetson, 2013 - Google Patents

Analysis of speckle photographs by subtracting phase functions of digital Fourier transforms

Stetson, 2013

Document ID
265699410799313107
Author
Stetson K
Publication year
Publication venue
Experimental Mechanics

External Links

Snippet

This paper presents a method for measuring displacements and strain in digital speckle photography that is an alternative to currently used correlation techniques. The method is analogous to heterodyne speckle photogrammetry wherein optical Fourier transforms were …
Continue reading at link.springer.com (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical means
    • G01B11/24—Measuring arrangements characterised by the use of optical means for measuring contours or curvatures
    • G01B11/2441—Measuring arrangements characterised by the use of optical means for measuring contours or curvatures using interferometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical means
    • G01B11/24—Measuring arrangements characterised by the use of optical means for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical means for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02—Interferometers for determining dimensional properties of, or relations between, measurement objects
    • G01B9/02001—Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by manipulating or generating specific radiation properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical means
    • G01B11/02—Measuring arrangements characterised by the use of optical means for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical means for measuring length, width or thickness for measuring thickness, e.g. of sheet material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical means
    • G01B11/16—Measuring arrangements characterised by the use of optical means for measuring the deformation in a solid, e.g. optical strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02—Interferometers for determining dimensional properties of, or relations between, measurement objects
    • G01B9/02041—Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by particular imaging or detection techniques

Similar Documents

Publication Publication Date Title
Hua et al. Evaluation of the quality of a speckle pattern in the digital image correlation method by mean subset fluctuation
Grédiac et al. Full-field measurements and identification in solid mechanics
Wang et al. Simultaneous dual directional strain measurement using spatial phase-shift digital shearography
Kulkarni et al. Optical measurement techniques–A push for digitization
Kumar et al. Single frame digital fringe projection profilometry for 3-D surface shape measurement
Wang et al. Synchronous measurement of three-dimensional deformations by multicamera digital speckle patterns interferometry
Wu et al. Removable camera based 2D digital image correlation for planar slender area quasi-static deformation measurement
Fujigaki et al. Development of sampling Moire camera for real-time phase analysis
Yoneyama et al. Phase-measuring profilometry of moving object without phase-shifting device
US20050228838A1 (en) Processing technique for digital speckle photogrammetry
Cai et al. Improved Mach–Zehnder interferometer-based shearography
Karaalioglu et al. Measurement of thin film thickness by electronic speckle pattern interferometry
Yan et al. 3D shape and displacement measurement of diffuse objects by DIC-assisted digital holography
Notbohm et al. Three‐dimensional Displacement and Shape Measurement with a Diffraction‐assisted Grid Method
Stetson Analysis of speckle photographs by subtracting phase functions of digital Fourier transforms
Cordero et al. Uncertainty analysis of displacements measured by phase-shifting moiré interferometry
De Nicola et al. A two-dimensional fast Fourier transform method for measuring the inclination angle of parallel fringe patterns
Stetson Analysis of speckle photographs by subtracting phase functions of digital Fourier transforms
Jin et al. The online measurement of optical distortion for glass defect based on the grating projection method
Xu et al. Portable multiscale form measurement technique for structured specular surfaces based on phase measuring deflectometry
Hanada et al. A sampling moire method to measure the dynamic shape and strain of rotating tires
Chen et al. A digital sampling moiré method for two-dimensional displacement measurement
Hedan et al. In plane displacement formulation for finite cracked plates under mode I using grid method and finite element analysis
Tomita et al. Deformation distribution measurement from oblique direction using sampling Moire method
Maeda et al. Birefringence compensation for single-shot 3D profilometry using a full-Stokes imaging polarimeter