Ongoing Projects: 

2005 – Present (Lead Researcher, Microsoft Research Asia)

Project: MobiUS - WE on the Go! (a.k.a Lover's Phone)

• New better-together application paradigm for mobile devices

• Information sharing and resource aggregation

• Together-viewing mobile video experience

Project: HTTPify – Unleash the power of ISP caches

• Paradigm shift for P2P system design

• Win-win solution for P2P systems and ISPs

• Cache detection tool and cache-aware P2P system design

• Sub-project: Whereis - a practical network coordinate system with passive landmarks

Project: SigFeed – Expeditious Feed Notification Service and Collaborative Delivery Middleware

• Pub/sub + RSS + P2P

• Timely and efficient delivery of RSS feed (notification) and pod/vid-cast through tree-aggregation, push/pull mechanisms and cross-overlay optimization

• Novel inline-tagging UI for multimedia contents

• Extension to mobile terminals

Completed Projects:

2003 – 2005 (Researcher, Microsoft Research Asia)

Project: Optimus – Scalable media framework

• Demos for device roaming and incremental streaming

• Integrated transcoder into Optimus framework, extended Windows Media Format SDK to accept compressed inputs.

Project: ShortCut – MPEG-2 to WMV transcoder

• Dynamic switch transcoding architecture with 4~7 real-time transcoding speed of SD video.

• Allow 2:1 downscaling when transcoding

• General architecture for arbitrarily resizing transcoding

• Applied ShortCut technologies to PMC sync using Windows Media Player 10.

Project: GAXEL – GPU accelerated video encoding and decoding

• Efficient motion estimation on GPU

• Efficient implementation of DCT/IDCT on GPU

Project: Video deinterlacing

• Improved deinterlacing results, both visually and PSNR-sense.

• Reliable (true) motion estimation with improved criteria

• Block variance model and motion adaptive processing

Project: Peer-to-peer video streaming

• Collaborative peer-to-peer streaming framework for scalable bit streams

• Continued research on high-rate multi-color peer-to-peer streaming.

Project: HDoX – High definition WMV decoding over Xbox

• Real-time playback of WMV encoded HD video on the first generation of commercial Xbox.

• Precision control for motion compensation on 8-bit ALU

• GPU assembly optimization

Project: WMV Pro 422 8bit/10bit compression

• Development of WMVPro 422 coding based on WMV coding framework

• A new general color-space compatible coding framework for YUV422/YUV444 video

Project: WMV bit stream to MPEG-2 transport stream converter

• Packet scheduling and buffer control of WMV bit stream over MPEG-2 transport.

2001 – 2003 (Associate Researcher, Microsoft Research Asia)

Project: Peer-to-peer video streaming

• Collaborative peer-to-peer streaming framework for scalable bit streams.

• Better bandwidth utilization and efficient error recovery

• FEC-based multi-colored streaming framework: improved efficiency and reliability

Project: Seamless switching for non-scalable bit streams

• SP-frame based bit stream switching

Project: SMART video streaming system

• Optimal packetization for scalable bit stream

• Accurate channel bandwidth estimation

• Rate-distortion for PFGS codec

• Error concealment for FGS/PFGS bit streams

Even Older Projects:

1997 – 2001 (Research Assistant, The Hong Kong University of Science and Technology)

Project: Development of Efficient Motion Estimation Techniques for Digital Video/HDTV Coding

• Developed efficient motion estimation algorithms

• Developed other efficient digital video coding techniques

Project: Arbitrarily Shape Motion Estimation Technique Based on Joint Optimization of Rate and Distortion 

• Developed rate-distortion optimization techniques

• Developed efficient arbitrarily shaped video object coding technique based on normal block DCT

2000 (Intern, Microsoft Research China)

Project: Coded Audio-visual Media over IP-based Networks

• Develop and implement efficient transcoding algorithms

• H.263-based software implementation

1994 – 1997 (Research Assistant, Southeast University)

Project: The VLSI Implementation of Image/Vision Processing Algorithms Based on Their Unified Descriptions

• Developed efficient dictionary-based image compression algorithm

• Implementation of the kernel part, 2-D DCT, of Motion JPEG, using  TMS320C80® DSP chip

Home | Projects | Publications | Photos

This site was last updated 03/23/07