Nothing Special   »   [go: up one dir, main page]

Zou et al., 2019 - Google Patents

High-accuracy calibration of line-structured light vision sensors using a plane mirror

Zou et al., 2019

View HTML @Full View
Document ID
13923362907730208917
Author
Zou W
Wei Z
Liu F
Publication year
Publication venue
Optics Express

External Links

Snippet

A high-accuracy calibration technique using a white paper and a front coating plane mirror is proposed in this paper for line-structured light vision sensors. This method shows advantages in two aspects. First, a white paper can gain a very high-quality light stripe due …
Continue reading at opg.optica.org (HTML) (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
    • G01B11/2433—Measuring arrangements characterised by the use of optical means for measuring contours or curvatures for measuring outlines by shadow casting
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00—Other optical systems; Other optical apparatus
    • G02B27/22—Other optical systems; Other optical apparatus for producing stereoscopic or other three dimensional effects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
    • G06K9/46—Extraction of features or characteristics of the image
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B3/00—Simple or compound lenses

Similar Documents

Publication Publication Date Title
Zou et al. High-accuracy calibration of line-structured light vision sensors using a plane mirror
Jiang et al. Three-dimensional shape measurement using a structured light system with dual projectors
Schaffer et al. High-speed pattern projection for three-dimensional shape measurement using laser speckles
Yin et al. Calibration method for panoramic 3D shape measurement with plane mirrors
Chen et al. Accurate calibration method for camera and projector in fringe patterns measurement system
Su et al. Refractive three-dimensional reconstruction for underwater stereo digital image correlation
CN106091984A (en) A kind of three dimensional point cloud acquisition methods based on line laser
Liu et al. On-site calibration of line-structured light vision sensor in complex light environments
Wang et al. Calibration method for a large-scale structured light measurement system
Liu et al. Rapid and automatic 3D body measurement system based on a GPU–Steger line detector
Zhang et al. Accuracy improvement in laser stripe extraction for large-scale triangulation scanning measurement system
Guo et al. Automatic and rapid whole-body 3D shape measurement based on multinode 3D sensing and speckle projection
Wang A one-shot-projection method for measurement of specular surfaces
Nie et al. Method for calibration accuracy improvement of projector-camera-based structured light system
Ren et al. Accurate three-dimensional shape and deformation measurement at microscale using digital image correlation
Liu et al. Large-curvature specular surface phase measuring deflectometry with a curved screen
Gu et al. Dot-coded structured light for accurate and robust 3D reconstruction
Chen et al. Three-dimensional reconstruction from a fringe projection system through a planar transparent medium
Liao et al. Digital image correlation assisted absolute phase unwrapping
Wang et al. Accurate 3D reconstruction of single-frame speckle-encoded textureless surfaces based on densely connected stereo matching network
Wong et al. Calibration of an array projector used for high-speed three-dimensional shape measurements using a single camera
Chen et al. Optical 3-D profilometry for measuring semiconductor wafer surfaces with extremely variant reflectivities
Li et al. Binocular vision profilometry for large-sized rough optical elements using binarized band-limited pseudo-random patterns
Ge et al. Universal calibration for a ring camera array based on a rotational target
Liu et al. Flexible dynamic measurement method of three-dimensional surface profilometry based on multiple vision sensors