نتایج جستجو برای: three dimensional radiotherapy
تعداد نتایج: 1579223 فیلتر نتایج به سال:
We developed two-photon scanning patterned illumination microscopy (2P-SPIM) for super-resolution two-photon imaging. Our approach used a traditional two-photon microscopy setup with temporally modulated excitation to create patterned illumination fields. Combing nine different illuminations and structured illumination reconstruction, super-resolution imaging was achieved in two-photon microsco...
In purely repulsive colloidal systems a glass transition can be reached by increasing the particle volume fraction beyond a certain threshold. The resulting glassy state is governed by configurational cages which confine particles and restrict their motion. A colloidal glass may also be formed by inducing attractive interactions between the particles. When attraction is turned on in a repulsive...
The analysis of shape is a key part of anatomical research and in the large majority of cases landmarks provide a standard starting point. However, while the technology of image capture has developed rapidly and in particular three-dimensional imaging is widely available, the definitions of anatomical landmarks remain rooted in their two-dimensional origins. In the important case of the human f...
We present a method to directly image fluorescent structures inside turbid media. This is based on wave-front shaping to optimize the scattered light onto a single fluorescent particle, as the optical memory effect for a scanning image of the surroundings of this particle. We show that iterating the optimization leads to the focusing on a single particle whose surroundings are subsequently scan...
In this paper, we present a new method for face recognition using range data. The proposed method is based on both global statistics of geometrical features and local statistics of correlative features of facial surfaces. Firstly, we analyze the performances of common geometrical representations by using global histograms for matching. Secondly, we propose a new method to encode the relationshi...
geboren te Breda. This work was carried out in the ASCI graduate school. ASCI dissertation series number 194.
Optical impulse-response characterization of diffusive media can be of importance in various applications, among them optical imaging in the security and medical fields. We present results of an experimental technique that we developed for acquiring the impulse response, based upon the Kramers-Kronig algorithm, and have been applied for optical imaging of objects hidden behind clothing. We demo...
Roberto M. Lang, MD, FASE,* Luigi P. Badano, MD, FESC, Wendy Tsang, MD,* David H. Adams, MD,* Eustachio Agricola, MD, Thomas Buck, MD, FESC, Francesco F. Faletra, MD, Andreas Franke, MD, FESC, Judy Hung, MD, FASE,* Leopoldo P erez de Isla, MD, PhD, FESC, Otto Kamp, MD, PhD, FESC, Jaroslaw D. Kasprzak, MD, FESC, Patrizio Lancellotti, MD, PhD, FESC, Thomas H. Marwick, MBBS, PhD,* Marti L. McCullo...
Computer imaging techniques are commonly used to preserve and share readable manuscripts, but capturing writing locked away in ancient, deteriorated documents poses an entirely different challenge. This software pipeline-referred to as "virtual unwrapping"-allows textual artifacts to be read completely and noninvasively. The systematic digital analysis of the extremely fragile En-Gedi scroll (t...
An integral imaging system is employed as part of a three dimensional imaging system, allowing display of full colour images with continuous parallax within a wide viewing zone. A novel approach to the problem of compressing the significant quantity of data required to represent integral 3D video is presented and it is shown that the reduction in bit cost achieved makes possible transmission vi...
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