نتایج جستجو برای: realistic cell shapes
تعداد نتایج: 1795135 فیلتر نتایج به سال:
Abstract Efficient immune responses rely on heterogeneity, which in CD8 + T cells, amongst other mechanisms, is achieved by asymmetric cell division (ACD). Here we find that ageing, known to negatively impact responses, impairs ACD murine and this phenotype can be rescued transient mTOR inhibition. Increased rates mitotic cells from aged mice restore the expansion memory potential of their cell...
Nowadays, 3D morphing, defined as smoothly transforming a 3D object into another one, remains a challenging topic in the graphics community. The usual way to deal with such process consists first in establishing a point-topoint correspondence and then in computing the intermediate shapes. In the past, much effort has been invested to automate the correspondence problem, but all the proposed met...
A. R. Haig, E. Gordon, and S. Hook (1997) disputed G. McCarthy and C. C. Wood's (1985) contention that scaling should be used when assessing the statistical significance of between condition (or group) differences in the shapes of event-related potential (ERP) scalp topographies. Haig et al. based their contention upon the lack of empirical realism in McCarthy and Wood's model of within-group E...
We describe an algorithm for automatic generation of idealized bead figures from recognizable 3D models (animals, humans, etc.). The bead figures approximate the model by a set of cylindrical shapes threaded onto a skeleton of the model. As such, they provide volumetric shape information in addition to the skeleton. The bead figures can be used by applications requiring a simple and compact des...
In this study, we investigate the shapes of starless and protostellar cores using hydrodynamic, self-gravitating adaptive mesh refinement simulations of turbulent molecular clouds. We simulate observations of these cores in dust emission, including realistic noise and telescope resolution, and compare to the observed core shapes measured in Orion by Nutter & Ward-Thompson (2007). The simulation...
Existing theories on shape digitization impose strong constraints on admissible shapes, and require error-free data. Consequently, these theories are not applicable to most real-world situations. In this paper, we propose a new approach that overcomes many of these limitations. It assumes that segmentation algorithms represent the detected boundary by a set of points whose deviation from the tr...
In this paper, the model of volcanic clouds for computer graphics using the Coupled Map Lattice (CML) method is proposed. In this model, the Navier-Stokes equations are used, and the equations are solved by using the CML method that can be applied as an efficient fluid solver. Moreover, to generate desired shape of volcanic clouds, some parameters that allow intuitively control of the shape are...
approved: Sinisa Todorovic Reasoning about 3D shape of objects is important for successful computer vision applications in robotics, 3D rendering and modeling. In this thesis, we address two problems – First, given an image, we generate 3D shape of the foreground object that appears in the image. Second, we predict the class label of the input 3D object shape. Recent work uses convolutional neu...
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