نتایج جستجو برای: multispectral imaging

تعداد نتایج: 462628  

2003
Friedhelm König

One major disadvantage of multispectral imaging is the amount of data that needs to be stored for each multispectral image. In the past, several authors have proposed compression schemes to overcome this disadvantage. Most of these papers dealt with compression either in the spectral or in the spatial realm only, although some authors proposed to divide the data into luminance and color compone...

2010
Dingrong Yi Stephen Sprigle engtao Wang Chao Wang Fuhan Liu Ali Adibi

arly stage pressure ulcers and other subcutaneous lesions are early invisible in clinical settings, particularly so for dark igmented skin. An earlier study indicated multispectral imges can enhance the contrast between damaged and normal kin. Although multispectral imaging has matured into a techology with applications in many fields, clinical practitioners n the fields of health care and reha...

Journal: :Optics letters 2013
Shuna Cheng J Jesus Rico-Jimenez Joey Jabbour Bilal Malik Kristen C Maitland John Wright Yi-Shing Lisa Cheng Javier A Jo

Fluorescence lifetime imaging (FLIM) offers a noninvasive approach for characterizing the biochemical composition of biological tissue. There has been an increasing interest in the application of multispectral FLIM for medical diagnosis. Central to the clinical translation of FLIM technology is the development of compact and high-speed endoscopy systems. Unfortunately, the predominant multispec...

2006
WEIMIN HAN G. WANG

Recently, molecular imaging has been rapidly developed to study physiological and pathological processes in vivo at the cellular and molecular levels. Among molecular imaging modalities, optical imaging has attracted a major attention for its unique advantages. In this paper, we establish a mathematical framework for multispectral bioluminescence tomography (BLT) that allows simultaneous studie...

Journal: :Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society 2014
Humayun Irshad Alexandre Gouaillard Ludovic Roux Daniel Racoceanu

Breast cancer is the second most frequent cancer. The reference process for breast cancer prognosis is Nottingham grading system. According to this system, mitosis detection is one of the three important criteria required for grading process and quantifying the locality and prognosis of a tumor. Multispectral imaging, as relatively new to the field of histopathology, has the advantage, over tra...

2012
Alejandro Giacometti Alberto Campagnolo Lindsay MacDonald Simon Mahony Melissa Terras Stuart Robson Tim Weyrich Adam P. Gibson

This paper describes the methodology and presents preliminary results of a project using multispectral imaging to document the deterioration of parchment. A series of treatments has been applied to degrade samples from a deaccessioned manuscript using both physical and chemical agents. Each sample is photographed before and after the treatment by a multispectral imaging system to record the eff...

Journal: :Journal of Imaging Science and Technology 2012

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