نتایج جستجو برای: fluorescent reflectance imaging

تعداد نتایج: 549729  

Journal: :Current Protocols in Cell Biology 2013

Journal: :Microscopy and Microanalysis 2005

Journal: :IEEE Trans. Pattern Anal. Mach. Intell. 2001
Jan-Mark Geusebroek Rein van den Boomgaard Arnold W. M. Smeulders Hugo Geerts

ÐThis paper presents the measurement of colored object reflectance, under different, general assumptions regarding the imaging conditions. We exploit the Gaussian scale-space paradigm for color images to define a framework for the robust measurement of object reflectance from color images. Object reflectance is derived from a physical reflectance model based on the Kubelka-Munk theory for color...

Journal: :Technology in cancer research & treatment 2003
J W Tunnell A E Desjardins L Galindo I Georgakoudi S A McGee J Mirkovic M G Mueller J Nazemi F T Nguyen A Wax Q Zhang R R Dasari M S Feld

Reflectance and fluorescence spectroscopies have shown great promise for early detection of epithelial dysplasia. We have developed a clinical reflectance spectrofluorimeter for multimodal spectroscopic diagnosis of epithelial dysplasia. This clinical instrument, the FastEEM, collects white light reflectance and fluorescence excitation-emission matrices (EEM's) within a fraction of a second. In...

2010
Marjaneh Hejazi Florian Stuker Divya Vats Markus Rudin

BACKGROUND Non-invasive planar fluorescence reflectance imaging (FRI) is used for accessing physiological and molecular processes in biological tissue. This method is efficiently used to detect superficial fluorescent inclusions. FRI is based on recording the spatial radiance distribution (SRD) at the surface of a sample. SRD provides information for measuring structural parameters of a fluores...

2014
Pallavi Doradla Karim Alavi Cecil S. Joseph Robert H. Giles

Continuous wave terahertz (THz) imaging has the potential to offer a safe, noninvasive medical imaging modality for delineating colorectal cancer. The terahertz reflectance measurements of fresh 3 – 5 mm thick human colonic excisions were acquired using a continuous-wave polarization imaging technique. A CO2 optically pumped FarInfrared molecular gas laser operating at 584 GHz was used to illum...

Journal: :Biomedical Engineering and Computational Biology 2016

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