نتایج جستجو برای: enhanced depth imaging optical coherence tomography
تعداد نتایج: 1297510 فیلتر نتایج به سال:
Conventional imaging modalities are unable to depict the early degeneration of articular cartilage in osteoarthritis, especially in small joints. Optical coherence tomography has previously been used successfully in high-resolution imaging of cartilage tissue. This pilot cadaver study demonstrates the use of intra-articular optical coherence tomography in imaging of articular cartilage of the f...
purpose: to evaluate the rate of optical coherence tomography (oct) grid decentration in a routine practice and its effect on thickness measurements methods: topcon spectral domain oct scans from various macular diseases including age related macular degeneration, diabetic macular edema, macular pucker and central serous chorioretinopathy (cscr) were studied in all patients visited during seven...
Nondestructive, high-resolution 3-dimensional (3D) imaging of the embryonic heart remains a challenge in cardiovascular development research. In the past, several imaging techniques (eg, magnetic resonance microscopy, optical coherence tomography) were tested for their suitability to visualize the 3D morphology of embryonic hearts. Most of these imaging tools have their drawbacks with respect t...
Nondestructive, high-resolution 3-dimensional (3D) imaging of the embryonic heart remains a challenge in cardiovascular development research. In the past, several imaging techniques (eg, magnetic resonance microscopy, optical coherence tomography) were tested for their suitability to visualize the 3D morphology of embryonic hearts. Most of these imaging tools have their drawbacks with respect t...
With the continued development of non-invasive therapies for actinic keratosis such as PDT and immune therapies, the non-invasive diagnosis and monitoring become increasingly relevant. High-definition optical coherence tomography is a high-resolution imaging tool, with micrometre resolution in both transversal and axial directions, enable to visualize individual cells up to a depth of around 57...
Shack–Hartmann wavefront sensors (SH-WFS) have little sensitivity in depth and hence are unsuitable for microscopy and are limited for retinal imaging. We demonstrate the first direct Shack–Hartmann measurement of wavefront originating from a multiple-layer target, in the presence of significant stray reflections that render a standard SH-WFS inoperable. A coherence-gate SH-WFS is implemented b...
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