A new denoising technique for ultrasound images using morphological properties of speckle combined with tissue classifying parameters [PDF]
, 2002 In this paper we introduce a new speckle suppression technique for medical ultrasound images that incorporates morphological properties of speckle as well as tissue classifying parameters.
Lemahieu, Ignace +2 more
core +1 more source
Deep Learning-Based Ultrasound Image Despeckling by Noise Model Estimation [PDF]
Iranian Journal of Electrical and Electronic Engineering, 2023 Speckle noise is an inherent artifact appearing in medical images that significantly lowers the quality and accuracy of diagnosis and treatment.
O. Mahmoudi Mehr +2 more
doaj
Wavelet domain compounding for speckle reduction in optical coherence tomography [PDF]
, 2013 Visibility of optical coherence tomography (OCT) images can be severely degraded by speckle noise. A computationally efficient despeckling approach that strongly reduces the speckle noise is reported.
Chui, PC +6 more
core +1 more source
Full-field stress analysis by holographic phase-stepping implementation of the photoelastic-coating method [PDF]
, 2012 In this paper, we describe a system for polariscopic and holographic phase-shifting implementation of the photoelastic-coating method for a full-field stress analysis.
Degrieck, Augustijn +5 more
core +2 more sources
Image Noise Removal in Ultrasound Breast Images Based on Hybrid Deep Learning Technique
Sensors, 2023 Rapid improvements in ultrasound imaging technology have made it much more useful for screening and diagnosing breast problems. Local-speckle-noise destruction in ultrasound breast images may impair image quality and impact observation and diagnosis.
Baiju Babu Vimala +6 more
doaj +1 more source
Statistical Region Based Segmentation of Ultrasound Images [PDF]
, 2008 Segmentation of ultrasound images is a challenging problem due to speckle, which corrupts the image and can result in weak or missing image boundaries, poor signal to noise ratio, and diminished contrast resolution.
Ayed +30 more
core +3 more sources
COMPARISON OF FILTERS DEDICATED TO SPECKLE SUPPRESSION IN SAR IMAGES [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 This paper presents the results of research on the effectiveness of different filtering methods dedicated to speckle suppression in SAR images. The tests were performed on RadarSat-2 images and on an artificial image treated with simulated speckle noise.
P. Kupidura
doaj +1 more source
Normalized ghost imaging [PDF]
, 2012 We present an experimental comparison between different iterative ghost imaging algorithms. Our experimental setup utilizes a spatial light modulator for generating known random light fields to illuminate a partially-transmissive object.
Baoqing Sun +15 more
core +3 more sources
Analysis of Edge Detection in Bar Code Symbols: An Overview and Open Problems
Journal of Applied Mathematics, 2012 Accurate edge localization is essential in bar code decoding. Since speckle noise is the most dominant form of noise in laser bar code scanners, it is important to fully understand its effects on edge detection.
Saša Krešić-Jurić
doaj +1 more source
Speckle noise reduction techniques for high-dynamic range imaging [PDF]
, 2007 High-dynamic range imaging from space in the visible, aiming in particular at the detection of terrestrial exoplanets, necessitates not only the use of a coronagraph, but also of adaptive optics to correct optical defects in real time.
Belikov +23 more
core +3 more sources