Yao-Jen Chang, Ph.D.

Dr. Yao-Jen Chang
Senior Staff Engineer
Qualcomm Inc., San Diego, CA, USA
Mobile: +1-619-513-6756
E-mail: yjchang@qti.qualcomm.com; britpablo0806@gmail.com
Google Scholar​​​​
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Summary​
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15-years work experience in video codec, and currently focusing on ECM (next-generation video codec beyond VVC)
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170 proposals contributed to JVET/JCT-VC, hundreds of active patents worldwide (includ. 70 active US patents), and 38 academic papers
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Familiar with MPEG/ITU-T video standardization process, and was a Vice-Chair in AhG and a coordinator for Core/Exploration Experiments
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Research and development in machine learning in 6-years postgraduate period, contributed 1 book chapter, 5 journal papers, and 11 conference papers (all 1st author), and received 1 Best Paper Award
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3.5 years experience on team and project management responsible for R&D activities, IPR strategies, building a laboratory for a video codec team, talent recruiting/mentoring, and budget control
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Expertise
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Enhanced Compression Model beyond VVC (ECM)
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Versatile Video Coding (VVC/H.266)
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High Efficiency Video Coding (HEVC/H.265)
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Screen Content Coding (HEVC-SCC)
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Advanced Video Coding (H.264/AVC)
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High Level Syntax
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Machine Learning
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Award
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Outstanding Research Award: awarded by Industrial Technology Research Institute – Jul. 2016
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Excellent R&D Award: awarded by Ministry of the Interior – Dec. 2015
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Best Paper Award: awarded by ITRI ICL Journal – Sep. 2015
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Best Paper Award: awarded by International Conference on Advanced Information Technologies – Apr. 2013
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The NCU Graduate Award for Excellence in Research: awarded by National Central University – Dec. 2009
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IEEE WCSP Best Paper Award: awarded by IEEE International Conference on Wireless Communication and Signal Processing – Nov. 2009
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Chair and Committee Member
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AhG Vice-Chair in JVET-F meeting (Jan. 2017 – Mar. 2017)
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AhG Vice-Chair in JVET-E meeting (Oct. 2016 – Jan. 2017)
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Coordinator in JVET-C meeting (May 2016 – Oct. 2016)
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Coordinator in JCTVC-R meeting (Jul. 2014 – Oct. 2014)
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Committeeman of Patent Review Committee in ITRI (Jun. 2011 – Dec. 2012)
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Talk and Lecture
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Invited talk
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Future Video Coding and 360 Video Streaming (Invited by Department of Computer Science, National Tsing Hua University in Aug. 2017)
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An Introduction to 802.11p Wireless Access in Vehicular Environments (Invited by Department of Electrical Engineering, National Central University in Dec. 2011)​​
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Guest lecture
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Machine Learning and Deep Learning for Video and Image Coding (A training course of Tze Chiang Foundation of Science and Technology in Jun. 2019)
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Machine Learning and Deep Learning Applied to Video and Image Coding (A training course of Tze Chiang Foundation of Science and Technology in Apr. 2018)
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Introduction to Video and Image Coding (A training course of Foxconn in Aug. 2017)
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ISO/IEC and ITU-T International Standardization (A training course of Foxconn in Aug. 2017)
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Machine Learning and Deep Learning Applied to Video and Image Coding (A training course of Institute for Information Industry in May 2017)
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Introduction to Video and Image Coding Standard and Reference Software (A training course of Institute for Information Industry in Sep. 2016)
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Introduction to HEVC and Screen Content Coding Standards (A training course of Industrial Technology Research Institute in Aug. 2016)
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Reviewer
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Paper review for IEEE Journal on Emerging and Selected Topics in Circuits and Systems
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Paper review for IEEE Transactions on Communications
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Paper review for IET Signal Processing
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Paper review for 2010 IEEE VTS Asia Pacific Wireless Communications Symposium
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Patent review for Industrial Technology Research Institute
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Proposal review for the competitive event of 2011 Macronix Golden Silicon Awards
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Education
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Doctor, Department of Communication Engineering, National Central University – 2010
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Master, Department of Communication Engineering, National Central University – 2006
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