نتایج جستجو برای: micro scan image

تعداد نتایج: 555984  

2015
Chean Shen Lee Guang-Ming Zhang David M. Harvey John Moores Ailing Qi

The miniaturization and three dimensional die stacking in advanced microelectronic packages poses a big challenge to their non-destructive evaluation by acoustic micro imaging. In particular, their complicated structures and multiple interfaces make the interpretation of acoustic data even more difficult. A common phenomenon observed in acoustic micro imaging of microelectronic packages is the ...

2015
Guofeng Guan Yao Lu Xiaodong Zhu Lijuan Liu Jie Chen Qiong Ma Yinglong Zhang Yanhua Wen Lianjia Yang Tao Liu Wei Wang Henry Ran Xiuchun Qiu Shi Ke Yong Zhou

CXCR4 is expressed at primary and metastatic sites of osteosarcoma. We developed a novel CXCR4-targeted near-infrared (NIR) fluorescent imaging agent (referred to as CXCR4-IR-783). The binding to representative osteosarcoma cells (F5M2 and F4 for high- and low- CXCR4 expression) was examined. CXCR4-IR-783 fluorescence was also examined in a mouse xenograft model of human osteosarcoma using NIR ...

Journal: :journal of medical signals and sensors 0
raheleh kafieh hossein rabbani saeed kermani

optical coherence tomography (oct) is a powerful imaging modality used to image various aspects of biological tissues, such as structural information, blood flow, elastic parameters, change of polarization states, and molecular content [1]. in contrast to oct technology development which has been a field of active research since 1991, oct image segmentation has only been more fully explored dur...

Journal: :Proceedings of SPIE--the International Society for Optical Engineering 2013
A A Muhit S Arora M Ogawa Y Ding W Zbijewski J W Stayman G Thawait N Packard R Senn D Yang J Yorkston C O Bingham K Means J A Carrino J H Siewerdsen

PURPOSE We describe the initial assessment of the peripheral quantitative CT (pQCT) imaging capabilities of a cone-beam CT (CBCT) scanner dedicated to musculoskeletal extremity imaging. The aim is to accurately measure and quantify bone and joint morphology using information automatically acquired with each CBCT scan, thereby reducing the need for a separate pQCT exam. METHODS A prototype CBC...

Journal: :بینا 0
علیرضا فروتن ar foroutan تهران- خیابان ولی عصر- خیابان هرمز ستاری- بانک چشم جمهوری اسلامی ایران سید اسماعیل جعفری e jafari دانشگاه علوم پزشکی ایران مژگان رضایی کنوی m rezaei kanavi shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی لیلا غیاثیان l ghiasian دانشگاه علوم پزشکی ایران پژمان بختیاری p bakhtiari دانشگاه علوم پزشکی ایران

purpose: to characterize the histopathologic, electron microscopic and confocal scan features of ahram mineral water (amw)-induced keratopathy in cadaver corneas. methods: seven cadaver globes were examined, five of which were exposed to amw from the corneal side for different durations (30 seconds, 3, 15, 30, and 60 minutes) and the other two were considered as controls. after performing confo...

2009
D. C. Hezel R. Abel

Introduction: The structure of a meteorite, such as the spatial distribution and the modal abundances of individual components are fundamental information. So far, this information was obtained from 2D thin sections. It is unclear to what extent this 2D information is representative of the 3D object. The field of stereology has been developed in order to address and quantify this problem [1,2]....

2009
Xing Zhao Jingjing Hu Peng Zhang

Currently, 3D cone-beam CT image reconstruction speed is still a severe limitation for clinical application. The computational power of modern graphics processing units (GPUs) has been harnessed to provide impressive acceleration of 3D volume image reconstruction. For extra large data volume exceeding the physical graphic memory of GPU, a straightforward compromise is to divide data volume into...

2013
Akihisa Takeuchi Kentaro Uesugi Yoshio Suzuki

A three-dimensional (3D) X-ray tomographic micro-imaging system has been developed. The optical system is based on a scanning-imaging X-ray microscope (SIXM) optics, which is a hybrid system consisting of a scanning microscope optics with a one-dimensional (1D) focusing (line-focusing) device and an imaging microscope optics with a 1D objective. In the SIXM system, each 1D dataset of a two-dime...

2017
Yuzhong Chen

This paper presents a novel method for scanning duplex-printed documents without incurring the unwanted show-through artifact. The proposed method achieves the goal of eliminating the leaked-out reverse-side content by fusing a white backed scan image with a black backed scan image of the document. The fusion is accomplished using a multilayer perceptron having learned a fusion mapping from man...

2004
Ann-Katherine Carton Hilde Bosmans Geert Souverijns Chantal Van Ongeval Octavian Dragusin Guy Marchal

Comparison of detection of micro calcifications for Comparison of detection of micro calcifications for Comparison of detection of micro calcifications for Comparison of detection of micro calcifications for two clinical processing algorithms in digital two clinical processing algorithms in digital two clinical processing algorithms in digital two clinical processing algorithms in digital mammo...

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