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Unsupervised speckle noise reduction technique for clinical ultrasound imaging [PDF]

open access: yesUltrasonography
Purpose Deep learning–based image enhancement has significant potential in the field of ultrasound image processing, as it can accurately model complicated nonlinear artifacts and noise, such as ultrasonic speckle patterns.
Dongkyu Jung   +4 more
doaj   +4 more sources

Speckle Noise Reduction Technique for SAR Images Using Statistical Characteristics of Speckle Noise and Discrete Wavelet Transform

open access: yesRemote Sensing, 2019
Synthetic aperture radar (SAR) images map Earth’s surface at high resolution, regardless of the weather conditions or sunshine phenomena. Therefore, SAR images have applications in various fields.
Hyunho Choi, Jechang Jeong
doaj   +4 more sources

Fast Speckle Noise Suppression Algorithm in Breast Ultrasound Image Using Three-Dimensional Deep Learning [PDF]

open access: yesFrontiers in Physiology, 2022
The rapid development of ultrasound medical imaging technology has greatly broadened the scope of application of ultrasound, which has been widely used in the screening, diagnosis of breast diseases and so on.
Xiaofeng Li   +3 more
doaj   +2 more sources

A novel algorithm for multiplicative speckle noise reduction in ex vivo human brain OCT images [PDF]

open access: yesNeuroImage, 2022
Optical coherence tomography (OCT) images of ex vivo human brain tissue are corrupted by multiplicative speckle noise that degrades the contrast to noise ratio (CNR) of microstructural compartments.
Divya Varadarajan   +5 more
doaj   +2 more sources

Non-Local Mean Denoising Algorithm Based on Fractional Compact Finite Difference Scheme Effectively Reduces Speckle Noise in Optical Coherence Tomography Images [PDF]

open access: yesMicromachines, 2022
Optical coherence tomography (OCT) is used in various fields such, as medical diagnosis and material inspection, as a non-invasive and high-resolution optical imaging modality. However, an OCT image is damaged by speckle noise during its generation, thus
Huaiguang Chen, Jing Gao
doaj   +2 more sources

Physics-Informed Generative Adversarial Networks for Laser Speckle Noise Suppression [PDF]

open access: yesSensors
In high-resolution microscopic imaging, using shorter-wavelength ultraviolet (UV) lasers as illumination sources is a common approach. However, the high spatial coherence of such lasers, combined with the surface roughness of the sample, often introduces
Xiangji Guo   +4 more
doaj   +2 more sources

Dual Consistency Alignment Based Self-Supervised Learning for SAR Target Recognition With Speckle Noise Resistance

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
Deep-learning-based on convolutional neural networks (CNN) has been widely applied in synthetic aperture radar (SAR) target recognition and made significant progress.
Yikui Zhai   +8 more
doaj   +1 more source

SSN2V: unsupervised OCT denoising using speckle split

open access: yesScientific Reports, 2023
Denoising in optical coherence tomography (OCT) is important to compensate the low signal-to-noise ratio originating from laser speckle. In recent years learning algorithms have been established as the most powerful denoising approach.
Julia Schottenhamml   +6 more
doaj   +1 more source

Novel image enhancement approaches for despeckling in ultrasound images for fibroid detection in human uterus

open access: yesOpen Computer Science, 2021
Ultrasonography is an extensively used medical imaging technique for multiple reasons. It works on the basic theory of echoes from the tissues under consideration.
Dilna Kaitheri Thacharedath   +1 more
doaj   +1 more source

Edge Enhancing Accelerated Diffusion Model for Speckle Denoising in Medical Imagery [PDF]

open access: yesITM Web of Conferences, 2019
Speckle noise occurs in a wide range of medical images due to sampling and digital degradation. Removing speckle noise from medical images is the key for further automated processing techniques like segmentation, and can help the clinicians with better ...
Bagchi Misra Arundhati   +2 more
doaj   +1 more source

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