نتایج جستجو برای: 3d imaging

تعداد نتایج: 623466  

Journal: :Optics express 2012
Travis J Gould Daniel Burke Joerg Bewersdorf Martin J Booth

Stimulated emission depletion (STED) microscopy allows fluorescence far-field imaging with diffraction-unlimited resolution. Unfortunately, extending this technique to three-dimensional (3D) imaging of thick specimens has been inhibited by sample-induced aberrations. Here we present the first implementation of adaptive optics in STED microscopy to allow 3D super-resolution imaging in strongly a...

2009
B. A. Jung S. Bauer M. Markl

Introduction: Time-resolved 3D imaging often suffers from long acquisition times while aiming for high temporal or spatial resolution. To speed up acquisition times parallel imaging techniques for volumetric [1] and time-resolved 2D data acquisition have been introduced [2-4]. However, no systematic investigation of parallel imaging using GRAPPA to reconstruct time-resolved 3D data has been pre...

2014
Stefan Geissbuehler Azat Sharipov Aurélien Godinat Noelia L. Bocchio Patrick A. Sandoz Anja Huss Nickels A. Jensen Stefan Jakobs Jörg Enderlein F. Gisou van der Goot Elena A. Dubikovskaya Theo Lasser Marcel Leutenegger

Super-resolution optical fluctuation imaging (SOFI) provides an elegant way of overcoming the diffraction limit in all three spatial dimensions by computing higher-order cumulants of image sequences of blinking fluorophores acquired with a classical widefield microscope. Previously, three-dimensional (3D) SOFI has been demonstrated by sequential imaging of multiple depth positions. Here we intr...

Journal: :Magnetic resonance in medicine 2010
Holden H Wu Dwight G Nishimura

Efficient acquisition strategies for magnetization-prepared imaging based on the three-dimensional (3D) stack-of-rings k-space trajectory are presented in this work. The 3D stack-of-rings can be acquired with centric ordering in all three dimensions for greater efficiency in capturing the desired contrast. In addition, the 3D stack-of-rings naturally supports spherical coverage in k-space for s...

2018
Mayumi Takeuchi Kenji Matsuzaki Masafumi Harada

PURPOSE To compare the diagnostic ability of reduced FOV diffusion-weighted (DW) MR imaging with that of 3D dynamic contrast-enhanced (DCE) MR imaging in evaluating the depth of myometrial invasion in patients with endometrial cancer. METHODS Three tesla MR images including T2-weighted imaging, reduced FOV DW imaging and 3D DCE MR imaging in sagittal and oblique axial (short axis) planes in 2...

Journal: :American journal of surgery 2006
Oren M Tepper Kevin Small Lauren Rudolph Mihye Choi Nolan Karp

Three-dimensional (3D) imaging technology currently is used by various commercial industries as a method for analyzing objects and shapes. Recent work from our group and others offer data to support the use of 3D imaging as a valuable tool in aesthetic and reconstructive breast surgery. We have developed a system for creating 3D breast models that provides clinical data that can help guide surg...

Journal: :Magnetic resonance imaging 2012
Andriy Fedorov Reinhard Beichel Jayashree Kalpathy-Cramer Julien Finet Jean-Christophe Fillion-Robin Sonia Pujol Christian Bauer Dominique Jennings Fiona Fennessy Milan Sonka John Buatti Stephen Aylward James V Miller Steve Pieper Ron Kikinis

Quantitative analysis has tremendous but mostly unrealized potential in healthcare to support objective and accurate interpretation of the clinical imaging. In 2008, the National Cancer Institute began building the Quantitative Imaging Network (QIN) initiative with the goal of advancing quantitative imaging in the context of personalized therapy and evaluation of treatment response. Computerize...

2007
Vladimir A. Knyaz Sergey S. Abramov Sergey Yu. Zheltov Dmitry G. Stepanyants Elena B. Saltykova

The problem human face shape reconstruction basing on information about human skull is very important for many applications beginning with archeology and finishing with crime expertise. World recognition was received with a face shape reconstruction technique proposed by M. Gerasimov [1]. This method up to now is the general method for face reconstruction of unknown person. It operates with the...

2015
Koichi Tomita Kenji Yano Yuki Hata Akimitsu Nishibayashi Ko Hosokawa

Recent advances in 3-dimensional (3D) surface imaging technologies allow for digital quantification of complex breast tissue. We performed 11 unilateral breast reconstructions with deep inferior epigastric artery perforator (DIEP) flaps (5 immediate, 6 delayed) using 3D surface imaging for easier surgery planning and 3D-printed molds for shaping the breast neoparenchyma. A single- or double-ped...

2014
Emilio J. Gualda Daniel Simão Catarina Pinto Paula M. Alves Catarina Brito

The development of three dimensional (3D) cell cultures represents a big step for the better understanding of cell behavior and disease in a more natural like environment, providing not only single but multiple cell type interactions in a complex 3D matrix, highly resembling physiological conditions. Light sheet fluorescence microscopy (LSFM) is becoming an excellent tool for fast imaging of su...

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