WebDec 23, 2024 · Images recorded by coherent imaging systems, including laser-based photography, digital holography (DH), and digital holographic microscopy (DHM), are severely distorted by speckle noise. This... WebApr 3, 2024 · Speckle-based phase-contrast X-ray imaging (SB-PCXI) can reconstruct high-resolution images of weakly-attenuating materials that would otherwise be indistinguishable in conventional attenuation-based X-ray imaging. The experimental setup of SB-PCXI requires only a sufficiently coherent X-ray source …
(PDF) Speckle noise reduction in coherent imaging systems via …
WebSep 1, 2024 · Speckle scrambler reduces the speckled noise and interference fringe patterns on image plane. A non-Gaussian flat-field illumination was developed by Ian Khaw et al. [58] , and a flat field TIRF microscopy for quantitative fluorescence imaging system was developed by B. Schreiber et al. [59] . WebApr 20, 2024 · Speckle artifact may be encountered in ultrasound. It is caused by the scattering of waves from the surface of small structures within a certain tissue. The … tim flood obituary
Speckle noise removal using a two-step weighted robust regression
WebJan 13, 2015 · Speckle noise is mostly detected in case of medical images, active Radar images and Synthetic Aperture Radar (SAR) images. Various researchers have performed experiments to overcome this kind of noise using different filtering techniques based on soft computing approaches, such as Fuzzy Filter, Genetic Algorithm, Particle Swarm … WebFeb 7, 2024 · Speckle noise is a granular pattern distribution, usually modeled as a multiplicative noise that affects the SAR images, as well as all coherent images. Other … Webtial node chains, concludes the analysis of incoming interference in ad-hoc networks. Based on the insights derived from this investigation, the last part of the thesis focuses on … tim flood unc