Evenly Spaced Streamlines for Surfaces: An Image-Based Approach
نویسندگان
چکیده
منابع مشابه
Evenly Spaced Streamlines for Surfaces: An Image-Based Approach
We introduce a novel, automatic streamline seeding algorithm for vector fields defined on surfaces in 3D space. The algorithm generates evenly spaced streamlines fast, simply and efficiently for any general surface-based vector field. It is general because it handles large, complex, unstructured, adaptive resolution grids with holes and discontinuities, does not require a parametrization, and c...
متن کاملCreating Evenly-spaced Streamlines of Arbitrary Density ?
This paper presents a new evenly-spaced streamlines placement algorithm to visualize 2D steady ows. The main technical contribution of this work is to propose a single method to compute a wide variety of ow eld images, ranging from texture-like to hand-drawing styles. Indeed the control of the density of the eld is very easy since the user only needs to set the separating distance between adjac...
متن کاملVisualization of Diffusion Tensor Data using Evenly Spaced Streamlines
Diffusion tensor imaging allows investigating white matter structures in vivo which is of particular interest for neurosurgery. A promising approach for the reconstruction of neural pathways are streamline based techniques commonly referred to as fiber tracking. However, due to the diverging nature of tract systems, the density of streamlines varies over the domain without control resulting in ...
متن کاملUnsteady Flow Visualization by Animating Evenly-Spaced Streamlines
In recent years the work on vector field visualization has been concentrated on LIC-based methods. In this paper we propose an alternative solution for the visualization of unsteady flow fields. Our approach is based on the computation of temporal series of correlated images. While other methods are based on pathlines and try to correlate successive images at the pixel level, our approach consi...
متن کاملAn Improved Pixon-Based Approach for Image Segmentation
An improved pixon-based method is proposed in this paper for image segmentation. In thisapproach, a wavelet thresholding technique is initially applied on the image to reduce noise and toslightly smooth the image. This technique causes an image not to be oversegmented when the pixonbasedmethod is used. Indeed, the wavelet thresholding, as a pre-processing step, eliminates theunnecessary details...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Computer Graphics Forum
سال: 2009
ISSN: 0167-7055,1467-8659
DOI: 10.1111/j.1467-8659.2009.01352.x