by Martina Megaro | Nov 19, 2014 | Video Processing, Visual Computing
Temporally Coherent Local Tone Mapping of HDR Video Recent subjective studies showed that current tone mapping operators either produce disturbing temporal artifacts, or are limited in their local contrast reproduction capability. We address both of these issues and...
by Martina Megaro | Nov 19, 2014 | Rendering, Visual Computing
Residual Ratio Tracking for Estimating Attenuation in Participating Media We present ratio tracking and residual tracking, two complementary techniques that can be combined into an efficient, unbiased estimator for evaluating transmittance in complex heterogeneous...
by Martina Megaro | Nov 13, 2014 | Animation, Visual Computing
Frequency-Based Creation and Editing of Virtual Terrain We present a sketch-based toolset for asset-guided creation and intuitive editing of virtual terrains, allowing the manipulation of both elevation maps and 3D meshes, and exploiting a layer-based interface....
by Martina Megaro | Oct 8, 2014 | Video Processing, Visual Computing
High-Speed Object Tracking Using an Asynchronous Temporal Contrast Sensor In this paper, we approach this problem by asynchronously recording local contrast change at high speed, using a type of visual capture device called a Dynamic Vision Sensor (DVS). October 8,...
by Martina Megaro | Sep 17, 2014 | Visual Computing, Wireless Communication and Ubiquitous Computing
Continuous Synchronization for LED-to-LED Visible Light Communication Networks We present and evaluate a physical layer and a distributed, contention-based medium access control protocol that enables reliable communication over room range distances; both are...
