Tongzhen Zhang

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In this ‘work in progress’ paper, we describe research into e-learning and virtual reality at Shanghai Jiaotong University (SJTU) and Essex University respectively. We use our experience to propose a novel virtualised learning model and architecture to support online learners and teachers to visualize important learning related information that has hitherto(More)
Nowadays, all kinds of smart devices have been networked together and communicated with each other, thereby become an intelligent environment where interaction with the computing devices has become necessity and it happens anywhere anytime. For that reason, human-computer interaction (HCI) has been a lively field of research in the last few years. The aim(More)
Vehicular networks might be deployed in the near future, and as a consequence a potentially large number of exciting applications are expected to enhance the human driving experience. Unless the security of such applications is guaranteed, however, such enhancements may be accompanied by similarly powerful and yet undesired consequences in malicious(More)
Among learning based hashing methods, supervised hashing seeks compact binary representation of the training data to preserve semantic similarities. Recent years have witnessed various problem formulations and optimization methods for supervised hashing. Most of them optimize a form of loss function with a regulization term, which can be viewed as a maximum(More)
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