Instructors/Speakers Dr. Wenyin LIU WIS Lab Guangdong University of Technology Abstract A web identity is an identifier that uniquely identifies and represents an entity in the Cyberspace. Web identity security focuses on accurate identity verification and prevention of identity impersonation, fraud, leakage, theft, etc. Nowadays, the increasing scale of the Web gives rise to the problems of “Password Fatigue”, "Phishing Attacks" and "Brute Force Password Attacks", and brings great challenges to the currently dominant password-based web identity authentication scheme. In this talk, we will first present the threats and challenges to Web identity security and then introduce our solutions and suggestions. In particular, we propose a new web identity authentication mechanism by introducing a module named “Trusted User Agent” in ...

Instructors/Speakers Dr. Boxing CHEN Machine Intelligence Lab DAMO Academy of Alibaba Group Abstract With the significant performance improvement of automatic speech recognition and machine translation, speech translation comes to the real life from the science fiction. There are two paradigms for speech translation: cascaded and end2end speech translation systems. Due to the size of the available training data, cascaded speech translation system still over-performs the end2end speech translation system. However, cascaded speech translation system also suffers the error propagation problem. ASR errors, punctuation restoration, language informality, and disfluency etc. are the main challenges for speech translation. We invest effort in all components of the cascaded speech translation system. We achieve improvement for each component in the pipeline, therefor result better ...

Instructors/Speakers Prof. Daniel P. K. LUN Department of Electronic and Information Engineering Hong Kong Polytechnic University Abstract In 3D computer graphics, the depth map of a scene is a dataset that provides information about the distance of the surfaces of scene objects from a viewpoint. Nowadays, we can effectively estimate the depth map of a scene using different hardware or software techniques. It is particularly the case with the recent high-end mobile devices which are all equipped with multiple cameras. The depth map can be estimated using different triangulation methods based on the multiple images captured by the cameras. Once the depth map is obtained, the next question is what we can do with such additional information of the scene. ...