Chao Zheng

Publications108
h-index12
Citations625
Highly Influential Citations25
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Tagging photos using users' vocabularies
TLDR
We propose a personalized photo tagging approach by using users' own vocabularies. Expand
Analyzing the Correlation between the Level of Serum Markers and Ischemic Cerebral Vascular Disease by Multiple Parameters
TLDR
We explore the serum markers associated with ischemic cerebral vascular disease (ICVD) and discuss their diagnostic value. Expand
A robust and automatic recognition system of analog instruments in power system by using computer vision
Abstract It is a puzzling issue found in the field of Supervisory Control and Data Acquisition (SCADA) to read automatically the indication of analog measuring instruments, which collects many states… Expand
Towards Scalable and Dynamic Social Sensing Using A Distributed Computing Framework
TLDR
In this paper, we developed a Scalable Streaming Truth Discovery (SSTD) solution to address the above challenges. Expand
VSCs based HVDC and its control strategy
Voltage source converter (VSC) based HVDC (VSC-HVDC) is a new power transmission technology preferable in small or medium power transmission. Using turn-off power semiconductors and combined with… Expand
Cooperative-Competitive Task Allocation in Edge Computing for Delay-Sensitive Social Sensing
TLDR
We propose a novel game-theoretic task allocation framework to solve the task allocation problem for delay-sensitive social sensing applications in edge computing systems. Expand
Characteristic analysis of UHVAC/DC hybrid power grids and construction of power system protection
TLDR
This paper analyzes the requirements for constructing an integrated defense system in a UHVAC/DC hybrid power grid (i.e. power system protection). Expand
Weak Convergence Rate of a Time-Discrete Scheme for the Heston Stochastic Volatility Model
  • Chao Zheng
  • Computer Science, Mathematics
  • SIAM J. Numer. Anal.
  • 25 May 2017
TLDR
We derive the weak convergence rate of a time-discrete scheme for the Heston stochastic volatility model, which employs the Stochastic trapezoidal rule to discretize the logarithmic asset process, provided that the variance process is simulated exactly. Expand
Structural, electronic, and optical properties of 9‐heterofluorenes: A quantum chemical study
TLDR
Density‐functional theory studies were applied to investigate the structural, electronic, and optical properties of 9‐heterofluorenes achieved by substituting the carbon at 9 position of fluorene with silicon, germanium, nitrogen, phosphor, oxygen, sulfur, selenium, or boron. Expand
Optimal Resource Allocation and EE-SE Trade-Off in Hybrid Cognitive Gaussian Relay Channels
TLDR
We derive the optimal power-bandwidth allocation strategies for the cognitive relay to maximize the capacity, spectrum efficiency (SE), and energy efficiency (EE). Expand
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