[go: up one dir, main page]

Bradley et al., 2019 - Google Patents

Sub-pixel registration technique for x-ray phase contrast imaging

Bradley et al., 2019

Document ID
8060945994950572329
Author
Bradley H
Bailey D
Le Moan S
Gaenz P
Simon S
Publication year
Publication venue
2019 International Conference on Image and Vision Computing New Zealand (IVCNZ)

External Links

Snippet

A new imaging technique, x-ray phase contrast imaging provides better contrast of soft tissues than conventional attenuation x-ray imaging. X-ray phase contrast imaging measures the spatial variance of the x-ray phase shift within an object. An area of research …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration, e.g. from bit-mapped to bit-mapped creating a similar image
    • G06T5/007—Dynamic range modification
    • G06T5/008—Local, e.g. shadow enhancement
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image, e.g. from bit-mapped to bit-mapped creating a different image
    • G06T3/0068—Geometric image transformation in the plane of the image, e.g. from bit-mapped to bit-mapped creating a different image for image registration, e.g. elastic snapping
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformation in the plane of the image, e.g. from bit-mapped to bit-mapped creating a different image
    • G06T3/40—Scaling the whole image or part thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis

Similar Documents

Publication Publication Date Title
US9404730B2 (en) Methods for processing images generated using fourier domain optical coherence tomography (FDOCT)
US7961954B2 (en) Sub-pixel accuracy and valid correlation signal detection by forward and reverse correlation
HajiRassouliha et al. Subpixel phase-based image registration using Savitzky–Golay differentiators in gradient-correlation
Tong et al. A novel subpixel phase correlation method using singular value decomposition and unified random sample consensus
CN107810524B (en) Robust reconstruction for dark-field and phase contrast CT
EP2095330B1 (en) Panchromatic modulation of multispectral imagery
Louis Feature reconstruction in inverse problems
US6249595B1 (en) Iterative reconstruction for EPI
US10089713B2 (en) Systems and methods for registration of images
US20140307982A1 (en) Multi-frame super-resolution of image sequence with arbitrary motion patterns
KR20130038794A (en) Method of noise reduction in digital x-ray frames series
Yester et al. Geometrical limitations of computed tomography (CT) scanner resolution
US5436462A (en) Video contour measurement system employing moire interferometry having a beat frequency pattern
CN101449590B (en) System and method for removing lines from an optical section image
EP3658018A1 (en) Systems and methods for strategically acquired gradient echo imaging
JP2016087473A (en) Non-linear processing method, storage medium, and photographing system for reducing off-axis frequency in demodulation of two-dimensional fringe pattern
EP3510563A2 (en) Improved phase-contrast and dark-field ct reconstruction algorithm
Bradley et al. Sub-pixel registration technique for x-ray phase contrast imaging
Fomalont Image analysis
CN115398471A (en) Bias correction for dark field imaging based on sliding window phase recovery
JP2017520294A (en) Bias-free regularization for spectral phase unwrapping in differential phase contrast imaging
Alici Extraction of modulation transfer function by using simulated satellite images
Thouvenin et al. Time-regularized blind deconvolution approach for radio interferometry
Briand Reversibility Error of Image Interpolation Methods: Definition and Improvements
CN110057317A (en) A kind of projection noise removing method constructed based on singular value decomposition and look-up table