1. Articles from Bingjie Huang

    1-4 of 4
    1. Scattering imaging of skin in Fourier domain optical coherence tomography

      Scattering imaging of skin in Fourier domain optical coherence tomography

      A scattering imaging method for skin tissue in Fourier domain optical coherence tomography is proposed. In this method, parameter F image is obtained from the intensity signal as a function of the depth. Since parameter F contains only the scattering coefficient and its first order derivative, the scattering coefficient image depending on depth can be calculated from the parameter F image. Two-dimensional (2D) scattering coefficient images of palm skin are calculated after extracting the tissue interfaces in the 2D parameter F images.

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    2. Full-range parallel Fourier-domain optical coherence tomography using a spatial carrier frequency

      Full-range parallel Fourier-domain optical coherence tomography using a spatial carrier frequency

      We propose a method of parallel full-range Fourier-domain optical coherence tomography (FDOCT) that is capable of acquiring an artifacts-free B-scan image by a single shot of a two-dimensional (2D) CCD camera. This method is based on a spatial carrier technique in which a spatial carrier-frequency is instantaneously introduced into the 2D spectral interferogram registered in parallel FDOCT by using a grating-generated line-reference beam. The spatial-carrier-contained 2D spectral interferogram is processed through Fourier transformation to obtain a complex 2D spectral interferogram, from which a full-range B-scan tomogram is reconstructed. The principle of our method is confirmed by imaging a tropical fish ...

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    3. Speckle reduction in parallel optical coherence tomography by spatial compounding

      Speckle reduction in parallel optical coherence tomography by spatial compounding

      In this paper, we propose a novel method for speckle reduction by combining spatial compounding technique with parallel Fourier-domain optical coherence tomography (FDOCT). Through a two-dimensional (2-D) CCD camera, multiple spectral interference fringes for a single lateral point are acquired with adjacent pixels in parallel detection plane simultaneously. By compounding these spatial-resolved images, we can obtain a speckle-suppressed B-scan tomogram in a single shot without sacrificing axial resolution and imaging speed. The principle of our method is demonstrated by imaging a shrimp's telson in vivo and a pearl. A signal-to-noise ratio improvement close to a factor of two was ...

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    4. Single-shot parallel full range complex Fourier-domain optical coherence tomography

      Single-shot parallel full range complex Fourier-domain optical coherence tomography

      We present a method of parallel full range complex Fourier-domain optical coherence tomography (FDOCT) that is capable of acquiring an artifacts-free two-dimensional (2-D) cross-sectional image, i.e. a full range B-scan tomogram, by a single shot of 2-D CCD camera. This method is based on a spatial carrier technique, in which the spatial carrier-frequency is instantaneously introduced into the 2-D spectral interferogram registered in parallel FDOCT by using a grating-generated reference beam. The spatial-carrier-contained 2-D spectral interferogram is processed through Fourier transformation to obtain a complex 2-D spectral interferogram. From the 2-D complex spectral interferomgram, a full range B-scan tomogram ...

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    1-4 of 4
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    1. (3 articles) Chinese Academy of Sciences
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    Single-shot parallel full range complex Fourier-domain optical coherence tomography Speckle reduction in parallel optical coherence tomography by spatial compounding Full-range parallel Fourier-domain optical coherence tomography using a spatial carrier frequency Scattering imaging of skin in Fourier domain optical coherence tomography Optical coherence tomography angiography in Bietti crystalline dystrophy Choroidal vascularity profile in diabetic eyes using wide field optical coherence tomography Diagnostic accuracy of OCTA and OCT for myopic choroidal neovascularisation: a systematic review and meta-analysis All Eyes on Pcs - Analysis of the Retinal Microvasculature in Patients With Post-COVID-19 Syndrome Training Health Care Professional in Detecting BCC on OCT Using E-learning and CUSUM-analysis Histopathological Analysis of Renal Biopsies With Dynamic Full-field Optical Coherence Tomography, a Comparison to Conventional Histopathological Findings in Kidney Transplant Recipients (HARBOR) Intraoperative Use of Wide-Field Optical Coherence Tomography to Evaluate Tissue Microstructure in the Oral Cavity and Oropharynx Assessment of optic disk by disk damage likelihood scale staging using slit-lamp biomicroscopy and optical coherence tomography in diagnosing primary open-angle glaucoma