Zhi Feng Huang

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Future heterogeneous single-ISA multicore processors will have an edge in potential performance per watt over comparable homogeneous processors. To fully tap into that potential, the OS scheduler needs to be heterogeneity-aware, so it can match jobs to cores according to characteristics of both. We propose a Heterogeneity-Aware Signature-Supported(More)
The human beta(2)-adrenergic receptor (betaAR) is rapidly desensitized in response to saturating concentrations of agonist by G protein-coupled receptor kinases (GRKs) and cAMP-dependent protein kinase A (PKA) phosphorylation of the betaAR, followed by beta-arrestin binding and receptor internalization. betaAR sites phosphorylated by GRK in vivo have not(More)
Tissue factor pathway inhibitor (TFPI) is a primary regulator of the initiation of blood coagulation. TFPI is internalized and degraded by HepG2 cells through the low-density-lipoprotein receptor-related protein (LRP) but also binds another molecule present on the cell surface at approx. 10-fold the abundance of LRP [Warshawsky, Broze and Schwartz (1994)(More)
The transition to multicore architectures has dramatically underscored the necessity for parallelism in software. In particular, while new gaming consoles are by and large multicore, most existing video game engines are essentially sequential and thus cannot easily take advantage of this hardware. In this paper we describe techniques derived from our(More)
For TRECVID 2011 MED task, the GENIE system incorporated two late-fusion approaches where multiple discriminative base-classi ers are built per feature, then, combined later through discriminative fusion techniques. All of our fusion and base classi ers are formulated as one-vs-all detectors per event class along with threshold estimation capabilities(More)
This paper describes the SFU entry for the TRECVid 2010 surveillance event detection challenge. We focus on detecting the ”PresonRuns” event. The system has three stages. First, a pre-processing step is performed to extract moving candidate space-time regions using background subtraction, optical flow, and photogrammetric context. A short clip(More)
A stochastic genetic model for biological aging is introduced bridging the gap between the bit-string Penna model and the Pletcher-Neuhauser approach. The phenomenon of exponentially increasing mortality function at intermediate ages and its deceleration at advanced ages is reproduced for both the evolutionary steady-state population and the genetically(More)
The transition to multicore architectures has dramatically underscored the necessity for parallelism in software. In particular, while new gaming consoles are by and large multicore, most existing video game engines are essentially sequential and thus cannot easily take advantage of this hardware. In this paper we describe techniques derived from our(More)
ITK is one of the most powerful image segmentation and registration libraries available as an open source toolkit. Motivated by the recent popularization of the iPhone, iPod touch, and iPad, in this work, we describe the set of required steps for integrating the ITK framework into Apple’s iOS mobile operating system. Our focus in this paper is on the(More)