Engineering Security
Resume:
Yali Liu
**** ****** ***** *****: 925-***-****
Room 2S100X Email: ******@***.***
Information
San Ramon, CA 94583 Web: http://www.ece.ucdavis.edu/~yliu/
University of California, Davis, CA, USA
Education
Ph.D., Electrical and Computer Engineering (March 2010)
Advisors: Dr. Dipak Ghosal and Dr. Biswanath Mukherjee
Thesis Topic: Hide-and-Seek: Concealment and Detection of
Sensitive Data Ex ltration in Network Tra c
M.S., Electrical and Computer Engineering (March 2007)
Xidian University, Xi an, China
B.S., Communication Engineering (July 2002)
AT&T Labs, San Ramon, CA, USA
Professional
Experience Senior Member of Technical Sta October 2009 to present
Design and develop network analysis tools and performance measurement tools for the
mobility network, AT&T Lightspeed and DSL Internet Services networks.
Design and performance analysis for core data networks, factors and trends that drive
network usage and network engineering principles.
Network engineering consulting for wireless system integration, eld testing, and trou-
bleshooting.
Summer Intern June 2008 to September 2008 and June 2006 to September 2006
Cross functional and cross organizational analysis of the network statistics and video quality
impairment for network engineering and operations.
Developed algorithms and prototypes for detection of video redistribution over IPTV net-
works.
Design and development of capacity, reliability and performance management models and
tools using Video Quality Index (VQI) data and network performance metrics.
University of California, Davis, CA, USA
Research Assistant September 2005 to September 2009
Research on detection and mitigation of sensitive data ex ltration in network tra c.
Cross layer tra c management for video streaming over broadband networks.
Application of signal processing techniques in tra c classi cation, content identi cation,
and detecting covert communication channels.
Ruhr-University, Bochum, Germany
Visiting Scholar December 2008 to March 2009
Research on robust network covert timing channels design and implementation, in collab-
oration with Technische Universit t Darmstadt, Germany.
a
Research on tra c obfuscation mechanisms against network tra c analysis.
Thomson Corporate Research, Princeton, NJ, USA
Student Intern June 2007 to January 2008
Designed e cient and robust compression schemes for video transmission with the network
packetization schemes, throughput and loss patterns.
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Developed and implemented ne rate control algorithms to meet the bandwidth and storage
requirement while maintaining good video quality.
Tsinghua University, Beijing, China
Research Assistant September 2002 to July 2005
Designed and implemented e cient algorithms for the video coding standard H.264/AVC,
based on median lter and multiple-interlaced classi ers.
Implemented a real-time low-bit-rate video coding algorithm on DSP platforms.
Mediamagic Inc., Beijing, China
Student Intern September 2003 to June 2004
Error resilient video coding design for real-time video communications over unreliable net-
works.
Research fellowship, Department of Electrical and Computer Engineering, University of Cali-
Honors and
fornia, Davis, 2007-2008.
Awards
Outstanding College Graduate (2 in thousands of college graduates of Shan xi Province), July
2002.
Outstanding Thesis (20 in 2000 graduates), Xidian University, July 2002.
Huawei Scholarship (5 in 1000 students), May 2001.
Excellent Student Cadre (5 in 700 students), Xidian University, June 2001.
Xidian University Scholarship, 1st class (Top 0.5%), 1999 to 2002.
Exemplar Student (3 in 700 students), Xidian University, 2000 to 2001.
Video streaming and communications
Skills
Embedded system design and development
Network security technologies in the areas of anonymity and privacy, covert channels, and
digital rights management.
Standards/protocols:
Video standards/protocols (MPEG-2, MPEG-4, H.264-AVC/SVC, and Flash video)
Network protocols (IP, TCP, UDP, RTP, RTSP)
Wireless standards (802.11 WLANs, 3GPP UMTS, LTE)
Programming and systems:
C/C++, SSE, SSE2, MMX, VHDL, Matlab, assembler, wxwidgets, Java, SQL, Python
Multi-threading, socket programming, video codec
Unix/Linux, Windows
Professional Member of IEEE and IEEE Communications Society
Service
Member of the Editorial Board:
SERSC International Journal of Advanced Science and Technology (IJAST) since 2008
Member of the Technical Program Committee:
IEEE International Conference on Communications (ICC) (2007, 2009, 2010, 2011)
IEEE Global Communications Conference (GLOBECOM) (2008, 2009)
SERSC International Symposium on Computer Science and its Applications (CSA) (2008)
SERSC International Conference on Advanced Science and Technology (AST) (2009, 2010)
IARIA International Conference on Creative Content Technologies (CONTENT)(2009, 2010)
SERSC International Conference on Security-enriched Urban Computing and Smart Grid (SU-
COMS)(2010)
Reviewer for Journal Manuscript Submissions:
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IEEE Transactions on Circuits and Systems for Video Technology (2008)
Journal of Electromagnetic Waves and Applications (2008)
ACM Transactions on Multimedia Computing, Communications and Applications (2009)
Elsevier Journal of Systems and Software (2009)
SERSC International Journal of Advanced Science and Technology (2009)
Elsevier Integration, the VLSI Journal (2010)
IEEE Transactions on Information Forensics and Security (2010)
Reviewer for Conference Manuscript Submissions:
IEEE International Conference on Communications (ICC) (2007, 2009, 2010, 2011)
IEEE Global Communications Conference (GLOBECOM) (2008, 2009)
SERSC International Symposium on Computer Science and its Applications (CSA) (2008)
SERSC International Conference on Advanced Science and Technology (AST) (2009, 2010)
Hawaii International Conference on System Sciences (HICSS) (2009)
IARIA International Conference on Creative Content Technologies (CONTENT)(2009, 2010)
SERSC International Conference on Security-enriched Urban Computing and Smart Grid (SU-
COMS)(2010)
Information Hiding International Conference (IH) (2009, 2010)
International Conference on Information Security and Cryptology (ICISC) (2009)
1. Yali Liu, Frederik Armknecht, Dipak Ghosal, Stefan Katzenbeisser, Ahmad-Reza Sadeghi,
Publications
Ste en Schulz, Robust and Undetectable Covert Timing Channels for i.i.d. Tra c, to appear
in the 12th Information Hiding Conferences, Jun. 2010.
2. Yali Liu, Dipak Ghosal, Frederik Armknecht, Ahmad-Reza Sadeghi, Ste en Schulz, Stefan
Katzenbeisser, Hide and Seek in Time-Robust Covert Timing Channels, The 14th European
Symposium on Research in Computer Security (ESORICS), pp. 120-135, Dec. 2009.
3. Qian Xu, Xiaoan Lu, Yali Liu, and Cristina Gomila, A Fine Rate Control Algorithm with
Adaptive Rounding O sets (ARO), IEEE Transactions on Circuits and Systems for Video
Technology, vol.19, no.10, pp. 1424-1435, Oct. 2009.
4. Yali Liu, Cherita Corbett, Ken Chiang, Rennie Archibald, Biswanath Mukherjee, Dipak
Ghosal, SIDD: A Framework for Detecting Sensitive Data Ex ltration by an Insider Attack,
The 42st Annual Hawaii International Conference on System Sciences, pp. 1-10, Jan. 2009.
5. Qian Xu, Yali Liu, Xiaoan Lu and Cristina Gomila, A New Source Model and Accurate
Control Algorithm with QP and Rounding O set Adaption, IEEE International Conference
on Image Processing (ICIP), pp. 2496-2499, Oct. 2008.
6. Yali Liu, Canhui Ou, Zhi Li, Cherita Corbett, Biswanath Mukherjee, Dipak Ghosal,
Wavelet-Based Tra c Analysis for Identifying Video Streams over Broadband Networks,
IEEE Global Communications Conference (GLOBECOM), pp. 1-6, Nov. 2008.
7. Yali Liu, Ken Chiang, Cherita Corbett, Rennie Archibald, Biswanath Mukherjee, Dipak
Ghosal, A Novel Audio Steganalysis Based on Quality Measurement with Hausdor Distance
and High Order Statistics, The 11th Information Security Conference(ISC), pp. 487-501,
Sept. 2008.
8. Yali Liu, Cherita Corbett, Ken Chiang, Rennie Archibald, Biswanath Mukherjee, Dipak
Ghosal, Detecting Sensitive Data Ex ltration by an Insider Attack, ACM Cyber Security
and Information Intelligence Research Workshop, pp.1-3, May 2008.
9. Yali Liu, Xiaoan Lu, Cristina Gomila and Qian Xu, A Novel Fine Rate Control Algorithm
with Adaptive Rounding O set, IEEE International Symposium on Circuits and Systems (IS-
CAS), pp. 3490-3493, May 2008.
10. Yali Liu, Kun Tang, Huijuan. Cui, E cient Probability Based Macroblock Mode Selec-
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tion in H.264/AVC, Visual Communications and Image Processing (VCIP), pp. 1080-1088,
July 2005.
11. Xiwei Wang, Yali Liu, Kun Tang, Huijuan Cui, High E ciency Image Enhancement
Algorithm for H.264, Tsinghua University Journal, vol.45, no.7, pp. 904-907, 2005.
12. Yali Liu, Jiangtao Wen, Heuristic Search for Soft-Input Soft-Output Decoding of Arith-
metic Codes, IEEE Data Compression Conference Proceedings (DCC) pp. 551, March 23-25,
2004.
1. Yali Liu, Mung Chiang, Mike Tisiker, Raj Savoor, Yongdong Zhao and Bruce Shine,
Patents and
Wireless Network Content Distribution Optimization Based on Active Network Measure-
Disclosures
ment, Approved for le, Assignee: AT&T Labs
2. Yali Liu, Steve Sposato, Raj Savoor and Mike Tisiker, Method to Control Text-based
Communication for Mobile Devices, Approved for le, Assignee: AT&T Labs
3. Yali Liu, Steve Sposato, Raj Savoor and Mike Tisiker, System and Methods to Identify
Targeted Objects Using Smart Devices, Disclosure pending review, Assignee: AT&T Labs
4. Dimas Noriega, Bo Lee, Raj Savoor, Zhi Li and Yali Liu, An Utran/eUtran Resource
Parametric Modeling and Planning Tool, Disclosure pending review, Assignee: AT&T Labs
5. Yali Liu, Xiaoan Lu, Cristina Gomila and Qian Xu, A Method to Improve the Rate
Control Accuracy in a Video Encoder, US Patent Filed, June 2009, Assignee: Thomson,
Corporate Research
6. Yali Liu, Xiaoan Lu, Cristina Gomila and Qian Xu, Method and Apparatus for Rate Con-
trol Accuracy in a Video Encoding and Decoding, US Patent reference number: PU070241,
Assignee: Thomson, Corporate Research
7. Canhui Ou, Zhi Li and Yali Liu, Methods to Deliver Personalized Commercials to IPTV
Subscribers, US Patent GR0060040, Assignee: AT&T Labs
1. Yali Liu, Dipak Ghosal, Biswanath Mukherjee, TRACI: A Tra c Analysis Framework for
Technical
Video Content Identi cation over IP Networks, Technical Report, Network Labs, Department
Report
of Computer Science, University of California, Davis, January, 2009.
2. Yali Liu, Zhi Li, Dipak Ghosal, Gigascope Lightspeed Tra c Analysis and HSIA Tra c
Analysis, Technical Report, Network System Engineering, AT&T Labs Inc., October, 2008.
2. Yali Liu, Dipak Ghosal, Zhi Li, Canhui Ou, A Method for Detecting Video Redistribution
over Broadband Networks, Technical Report, Network System Engineering, AT&T Labs Inc.,
September, 2008.
1. Robust and Undetectable Covert Timing Channels for i.i.d. Tra c,
Invited Talks
The 12th Information Hiding International Conferences, Calgary, Alberta, Canada, June 29th,
2010
2. A Wavelet-based Video Tra c Analysis Framework for Identifying Video Streams over
Broadband Networks,
Horst G rtz Stiftung, Technische Universit t Darmstadt, Darmstadt, Germany, February 2nd,
o a
2009
3. Secure Multimedia Communications Using Networking Tra c Analysis,
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Horst G rtz Institute for IT Security (HGI), Ruhr-University, Bochum, Germany, January
o
14th, 2009
4. SIDD: A Framework for Detecting Sensitive Data Ex ltration by an Insider Attack,
The 42st Annual Hawaii International Conference on System Sciences, Big Island, Hawaii,
USA, January 6th, 2009
5. A New Source Model and Accurate Control Algorithm with QP and Rounding O set
Adaption,
IEEE International Conference on Image Processing (ICIP), San Diego, CA, USA, November
15th, 2008
6. Wavelet-Based Tra c Analysis for Video Streams over Broadband Networks,
Network Labs, UC Davis, Davis, CA, USA, November 7th, 2008
7. A Novel Audio Steganalysis Based on Quality Measurement with Hausdor Distance and
High Order Statistics,
The 11th International Information Security Conference(ISC), Taipei, Taiwan, September
18th, 2008
8. A Novel Fine Rate Control Algorithm with Adaptive Rounding O set,
Thomson Corporate Research, Princeton, NJ, USA, September 28th, 2007
9. E cient Probability Based Macroblock Mode Selection in H.264/AVC,
Visual Communications and Image Processing (VCIP), Beijing, China, July 15th, 2005
Chairwoman of Liaison department in Student Union at Xidian University,
Volunteer
September 1998 to July 2000
Activities
Chairwoman of Organizations in Foreign Cultural Club at Xidian University,
May 1998 to May 2000
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