WebSpeckle noise exists inherently in the synthetic aperture radar (SAR) image. Its multiplicative property leads to lots of difficulties in SAR image processing. A novel guidance-aided triple-adaptive Frost filter is proposed in this paper, which has potential for real-time processing platforms. Firstly, a scale-adaptive sliding window sizing method is adopted to determine … WebAug 1, 2024 · Two categories of methods were used to reduce noise, including hardware-based and image-processing-based methods. Hardware-based methods include optical chopper [7], angular compounding [8,9], spatial compounding [10,11], and frequency compounding [12], aiming to produce uncorrelated speckle patterns that can be …
Noise Reduction for SD-OCT Using a Structure-Preserving Domain …
WebApr 6, 2024 · Spectral-domain optical coherence tomography (SD-OCT) images inevitably suffer from multiplicative speckle noise caused by random interference. This study proposes an unsupervised domain adaptation approach for noise reduction by translating the SD-OCT to the corresponding high-quality enhanced depth imaging (EDI)-OCT. We … WebNov 10, 2024 · Optical coherence tomography (OCT) is widely used in clinical diagnosis due to its non-invasive, real-time, and high-resolution characteristics. However, the inherent speckle nois diary of a wimpy kid books animated
Speckle reduction in OCT using massively-parallel …
WebOverlapping scan is often used for speckle reduction in a 2D line-scan. However, it leads to an increase of the data acquisition time. Therefore, it is unpractical in 3D scan as it requires a much longer data acquisition time. In this paper, we propose a new method for speckle reduction in 3D OCT. WebApr 13, 2024 · Visible light optical coherence tomography (vis-OCT) provides a unique tool for imaging both structure and oxygen metabolism in ophthalmology. ... Kopriva, F. Shi, and X. Chen, “ Enhanced low-rank + sparsity decomposition for speckle reduction in optical coherence tomography,” J. Biomed. Opt. 21, 076008 (2016). ... The optical properties of ... WebJul 2, 2024 · Optical methods are non-contact and can be used for remote measurements. Laser Doppler Vibrometers are commonly used for vibration measurement and damage detection (Ehrhardt et al., 2024; Siringoringo and Fujino, 2006; Srivastava and Baqersad, 2024; Tuononen, 2011; Warren et al., 2011); however, it is challenging to use them for … diary of a wimpy kid book review for parents