Category: Publications

In this paper, we present a network activity visualization using
a novel aggregation glyph called the clyph, which intuitively combines spatial,
temporal, and quantity data about multiple network events.

This paper introduces the Ray Graph – a general framework for panorama construction. With rays as its vertices, the Ray Graph uses its edges to specify a set of coherency relationships among all input rays. Consequently, by using a set of simple graph traversal rules, a diverse set of panorama structures can be enumerated, which can be used to efficiently and robustly generate panoramic images from image collections.

We have created the Myocardial Uncertainty Viewer (muView) tool
for exploring data stemming from the forward simulation of cardiac ischemia. The simulation
uses a collection of conductivity values to understand how ischemic regions affect the
undamaged anisotropic heart tissue. muView combines a suite of visual analysis methods to
explore the area surrounding the ischemic zone and identify how perturbations of variables
changes the propagation of their effects.

We present an approach to investigate the memory behavior of a parallel kernel executing on thousands of threads simultaneously within the CUDA architecture. Our top-down approach allows for quickly identifying any significant differences between the execution of the many blocks and warps. As interesting warps are identified, we allow further investigation of memory behavior by visualizing the shared memory bank conflicts and global memory coalescence.

In this paper, we introduce a new analysis and visualization framework which enables interactive exploration of robustness of critical points for both stationary and time-varying 2D vector fields. This framework allows the end-users to investigate how the stability of a critical point evolves over time.

A multiscale approach to network event identification using geolocated twitter data Chao Yang, Ian Jensen, and Paul Rosen In Proceedings of