Ke Zhang

Publications493
h-index32
Citations4,838
Highly Influential Citations227
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  • Publications
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Cross-Based Local Stereo Matching Using Orthogonal Integral Images
TLDR
We propose an area-based local stereo matching algorithm for accurate disparity estimation across all image regions. Expand
  • 433
  • 51
Adaptive Observer-based Fast Fault Estimation
This paper studies the problem of fault estimation using adaptive fault diagnosis observer. A fast adaptive fault estimation (FAFE) approximator is proposed to improve the rapidity of fault… Expand
  • 255
  • 16
  • PDF
Safe and just operating spaces for regional social-ecological systems
Humanity faces a major global challenge in achieving wellbeing for all, while simultaneously ensuring that the biophysical processes and ecosystem services that underpin wellbeing are exploited… Expand
  • 219
  • 15
  • PDF
Examining mobile learning trends 2003–2008: a categorical meta-trend analysis using text mining techniques
TLDR
This study investigated the longitudinal trends of academic articles in Mobile Learning (ML) using text mining techniques. Expand
  • 142
  • 12
Real-time high-definition stereo matching on FPGA
TLDR
We propose a real-time high definition stereo matching design on FPGA that achieves 60 frames per second for 1024 × 768 stereo images. Expand
  • 78
  • 12
Revealing Online Learning Behaviors and Activity Patterns and Making Predictions with Data Mining Techniques in Online Teaching
TLDR
This study was conducted with data mining (DM) techniques to analyze various patterns of online learning behaviors, and to make predictions on learning outcomes. Expand
  • 109
  • 10
  • PDF
Tweeting for learning: A critical analysis of research on microblogging in education published in 2008-2011
  • Fei Gao, T. Luo, Ke Zhang
  • Computer Science
  • Br. J. Educ. Technol.
  • 1 September 2012
TLDR
This study critically analyzed the current body of published research on microblogging in education ( MIE) to build a deep and comprehensive understanding of this increasingly popular phenomenon. Expand
  • 189
  • 9
  • PDF
Introducing the R2D2 Model: Online learning for the diverse learners of this world
TLDR
The R2D2 method—read, reflect, display, and do—is a new model for designing and delivering distance education, and in particular, online learning. Expand
  • 110
  • 8
  • PDF
Fault Estimation Observer Design for Discrete-Time Takagi–Sugeno Fuzzy Systems Based on Piecewise Lyapunov Functions
TLDR
This paper studies the problem of robust fault estimation (FE) observer design for discrete-time Takagi-Sugeno (T-S) fuzzy systems via piecewise Lyapunov functions. Expand
  • 162
  • 6
A New Approach to Observer-Based Fault-Tolerant Controller Design for Takagi-Sugeno Fuzzy Systems with State Delay
TLDR
This paper deals with the problem of active fault-tolerant control (FTC) for time-delay Takagi-Sugeno (T-S) fuzzy systems based on a fuzzy adaptive fault diagnosis observer (AFDO). Expand
  • 95
  • 6