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关键字：tomography

  • Gold nanoparticles for cancer theranostics:Abrief update ... accumulate on tumor cells provides AuNPs the opportunity to become an attractive contrast agent for X-ray based computed tomography (CT) imaging in vivo. Because of facile surface modification, various size and shape of AuNPs have been extensively ...
  • Medical images classification for skin cancer using quantitative... Optical coherence tomography (OCT) is employed in the diagnosis of skin cancer. Particularly, quantitative image features extracted from OCT images might be used as indicators to classify the skin tumors. In the present paper, we investigated intensity- ...
  • Intravital imaging of adriamycin-induced renal pathology using t... ... , we evaluated renal changes in a rat model after Adriamycin injection using two-photon microscopy (TPM), optical coherence tomography (OCT) and Doppler OCT (DOCT). Taking advantage of deep penetration and fast scanning speed for three-dimensional (3D) ...
  • Improved wavelet hierarchical threshold filter method for optica... According to the speckle feature in Optical coherence tomography (OCT), images with speckle indicate not only noise but also signals, an improved wavelet hierarchical threshold filter (IWHTF) method is proposed. At first, a modified hierarchical threshold ...
  • Model eyes with curved multilayer structure for the axial resolu... Optical coherence tomography (OCT) has been widely applied to the diagnosis of eye diseases during the past two decades. However, valid evaluation methods are still not available for the clinical OCT devices. In order to assess the axial resolution of the ...
  • 3D imaging by two-color Ewald spheres with optical lasers 3D imaging techniques such as computed tomography, ultrasonography, and magnetic resonance imaging usually combine many scans computationally. Here, we report a 3D imaging approach using an optical-laser diffraction microscope with two different ...
  • Application of polycapillary x ray lens to eliminate both the ef... A tomography device based on a conventional laboratory x ray source, polycapillary parallel x ray lens (PPXRL), and polycapillary collimating x ray lens (PCXRL) is designed. The PPXRL can collect the divergent x ray beam from the source and focus it into ...
  • 基于电容层析成像的气液两相流流型聚类分析 气液两相流流型对截面含气率等流动参数测量影响很大。基于电容层析成像(electrical capacitance tomography，<br> ECT)系统，以水平管气液两相流流型为研究对象，利用测量电容信号包含流型 ...
  • Spatiotemporal rotational dynamics of laser-driven molecules ... to manipulate the molecular spatial arrangement. Molecules can now be efficiently prepared for ionization, structural imaging, orbital tomography, and more, enabling, for example, shooting of dynamic molecular movies. Furthermore, molecular alignment and ...
  • SDOCT IMAGE RECONSTRUCTION BY INTERFEROMETRIC SYNTHETIC APERTURE... Spectral domain optical coherence tomography (SDOCT) is a noninvasive, cross-sectional imaging technique that measures depth resolved reflectance of tissue by Fourier transforming the spectral interferogram with the scanning of the reference avoided. ...