نتایج جستجو برای: atlas map
تعداد نتایج: 218795 فیلتر نتایج به سال:
Much ecological research relies on existing multispecies distribution datasets. Such datasets, however, can vary considerably in quality, extent, resolution or taxonomic coverage. We provide a framework for a spatially-explicit evaluation of geographical representation within large-scale species distribution datasets, using the comparison of an occurrence atlas with a range atlas dataset as a w...
A National Geospatial Data Infrastructures (NGDI) coordinates and facilitates sharing mechanism of geospatial information of the nation. The NGDI are often organized according thematic principles, based on the nature of participating organisations that make geospatial data are available. Clearinghouses do offer metadata descriptions of these data. Current interfaces to the NGDI allow searches w...
Strains of mice, through breeding or the disruption of normal genetic pathways, are widely used to model human diseases. Atlases are an invaluable aid in understanding the impact of such manipulations by providing a standard for comparison. We have developed a digital atlas of the adult C57BL/6J mouse brain as a comprehensive framework for storing and accessing the myriad types of information a...
Optic disc (OD) appearance in fundus images is one of the clinical indicators considered in the assessment of retinal diseases such as glaucoma. The cup-to-disc ratio (CDR) is the most common clinical measurement used to characterize glaucoma. However, the CDR only evaluates the relative sizes of the cup and the OD via their diameters. We propose to construct an atlas-based shape descriptor (AS...
Quantitative whole-body PET/MR imaging is challenged by the lack of accurate and robust strategies for attenuation correction. In this work, a new pseudo-CT generation approach, referred to as sorted atlas pseudo-CT (SAP), is proposed for accurate extraction of bones and estimation of lung attenuation properties. This approach improves the Gaussian process regression (GPR) kernel proposed by Ho...
The Amnesia Atlas constitutes a pilot study for a photographic media interface as memory prosthesis. It utilises the wearable lifelogging camera SenseCam to shed light on the importance of photographic imagery and place for memory retrieval. It investigates the relationships of spatiotemporal context on memory encoding and retrieval, utilising immersive 3D visualisation. It is doing so by locat...
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