Resume

Hasan F. Ates

	Current Position	Assistant Professor, Işık University Aug..'05-present - Acting as the principal investigator for the Tübitak (Turkish Science and Research Organization) project on H.264 video coding. - Developing state-of-art algorithms for motion estimation, mode decision, rate control, and frame selection in H.264. - Acting as the principal investigator for the Işık University project on wavelet-based image coding. - Continuing research and publishing papers on video and image coding. - Teaching courses in Image and Multimedia Processing, Circuit Theory, Linear Algebra. - Developed and taught a senior-level special topics course titled Multimedia Processing and Communications. It was offered in Spring 2006 semester. The enrollment was 40 students. It is proposed for consideration as a regular course.
	Academic Experience	Postdoc Researcher, Sabancı University Feb.'04-July'05 - Acted as the project leader for algorithm development in H.264 video coding project: - Developed state-of-art algorithms for motion estimation, mode decision in H.264. - Consulted the hardware development group on various aspects of the standard and the algorithms. - Acted as a team member for project proposals submitted to calls from DPT, EU FP-6 Programme (Marie Curie actions). Graduate Research Assistant, Princeton University 1999-2003 - Developed efficient image compression algorithms using wavelets. - Formulated wavelet-based models for edge contours, and used these models in novel image coding and interpolation methods. - Studied nonlinear approximation theory, and investigated practical nonlinear coding techniques for natural images. - Developed frequency-selective motion estimation techniques for occluded and covered/uncovered regions of frames in video coding. Teaching Assistant, Princeton University Fall 2000 - Spring 2001 § Signal Analysis and Communication Systems (Fall'00): Designed lab projects, and graded lab reports and homeworks. § The Wireless Revolution (Spring'00): Researched lecture material, and graded homeworks.
	Work experience	Schlumberger-Doll Research, Ridgefield, CT, Summer 2002 § Summer intern Department: Real-Time Modeling and Inversion Managers: Smaine Zeroug and Sandip Bose Project: An application of EM algorithm together with Kalman filter for tracking signals under heavy noise.
	Research Interests	§ Video processing Video Frame Rate Conversion Video Superresolution Video Enhancement H.264 Video Coding Standard Fast Motion Estimation Algorithms Mode Decision in H.264 Scalable Video Coding MPEG-2 to H.264 Transcoding § Image processing: Subband Image Coding Wavelet Image Compression Image Denoising, Interpolation, Watermarking § Embedded Programming on TI DSPs § Wavelets and multiresolution analysis § Statistical signal processing § 3-D Mesh Coding
	Education	Princeton University, Princeton, NJ Ph.D., Electrical Engineering (January, 2004) 1998-2004 § Thesis: Modeling Location Information for Wavelet Image Coding § Application: Image compression, wavelets Concentration: Information Sciences and Systems Advisor: Michael T. Orchard GPA: 3.96/4.00 Princeton University, Princeton, NJ 1998-2000 M.A., Electrical Engineering ( June 2000) Bilkent University, Ankara Turkey 1994-1998 B.S., Electrical and Electronics Engineering § Senior Project: § Application: Time-Frequency Analysis Overall GPA: 3.99/4.00
	Publications	Journal Papers § H.F. Ates, M.T. Orchard, "Spherical Coding Algorithm for Wavelet Image Compression", accepted to IEEE Trans. Image Proc., 2009. § H.F. Ates, Y. Altunbasak, "Complexity Optimization for Fast Motion Estimation and Mode Decision in H.264 Video Coding", IEEE Trans. Circuit Sys. Video Tech., vol. 18, no: 2, pp: 159-171, Feb. 2008. § H.F. Ates, M.T. Orchard, "An Adaptive Edge Model in the Wavelet Domain for Wavelet Image Coding", Signal Processing: Image Comm., Elsevier, vol.20, no.2, pp:169-185, Feb. 2005. § U. Konur, U. Bayazit, H.F. Ates, "3-D Mesh Geometry Compression with Set Partitioning in the Spectral Domain", under review, IEEE Trans. Circuit Sys. Video Tech., 2009. International Conference Papers § M.Fatemi, H.F. Ates, R. Saleh, "A Cost-Efficient Bit-Serial Architecture for Sub-pixel Motion Estimation of H.264/AVC", Proc. IEEE International Conference on Intelligent Info. Hiding and Multimedia Signal Processing (IIHMSP), Harbin, China, Aug. 2008. § H.F. Ates, "Fast Inter-Mode Decision And Selective Quarter-Pel Refinement In H.264 Video Coding", Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Las Vegas, USA, March-April 2008. § U. Konur, U. Bayazıt, H.F. Ateş, S.F. Gürgen, "Spectral Coding of Mesh Geometry with a Hierarchical Set Partitioning Algorithm'', Proc. SPIE Visual Communications and Image Processing (VCIP), San Jose, USA, Jan. 2008. § M.Fatemi, R. Saleh, H.F.Ates, "An Algorithm and Its Architecture for Half-pixel Variable Block Size Motion Estimation'', Proc. IEEE International Conference on Telecommunications (ICT), Penang, Malaysia, May 2007. § H. F. Ates, B. Kanberoglu, Y. Altunbasak, "Rate-Distortion and Complexity Joint Optimization for Fast Motion Estimation in H.264 Video Coding", Proc. IEEE International Conference on Image Processing (ICIP), Atlanta, USA, Oct. 2006. § S.-N. Ba, H. Ates, "Low Complexity Inter Mode Selection For H.264", Proc. ICIP, Atlanta, USA, Oct. 2006. § H.F. Ates, M.T. Orchard, "Wavelet Image Coding Using the Spherical Representation", Proc. ICIP, Genova, Italy, 2005. § S. Yalcin, H.F. Ates, and I. Hamzaoglu, "A High Performance Hardware Architecture for an SAD Reuse based Hierarchical Motion Estimation Algorithm for H.264 Video Coding", Proc. International Conference on Field Programmable Logic and Applications, Tampere, Finland, 2005. § H.F. Ates, Y. Altunbasak, "SAD Reuse in Hierarchical Motion Estimation for the H.264 Encoder", Proc. IEEE ICASSP'05, Philadelphia, USA, March 2005. § H.F. Ates, M.T. Orchard, "A Nonlinear Image Representation in Wavelet Domain Using Complex Signals With Single Quadrant Spectrum", Con. Rec. 37th Asilomar, Monterey, USA, Nov. 2003. § H.F. Ates, M.T. Orchard, "Nonlinear Modeling of Wavelet Coefficients Around Edges", Proc. ICIP, Barcelona, Spain, Sept. 2003. § H.F. Ates, M.T. Orchard, "Image Interpolation Using Wavelet-based Contour Estimation", Proc. ICASSP'03, ICME'03, Baltimore, USA, July 2003. § H. Ates, M. Orchard, "Block Motion Estimation Using Wavelet Filtering", Proc. ICASSP, Istanbul, vol. 4, pp: 2079-2082, June 2000. National Conference Papers § B. Çizmeci, H.F. Ateş, "Occlusion Artifact Removal in Video Frame Rate Up-conversion", accepted to SİU, Antalya, April 2009. § H.F. Ateş, E. Tamer, "Spherical Representation in Wavelet Packets for Image Coding'', accepted to IEEE Sinyal Isleme ve Iletisim Uygulamalari Kurultayi (SİU), Didim, April 2008. § H.F. Ateş, Y. Altunbasak, "Frame-level Complexity Control in H.264 Video Coding'', Proc. IEEE SİU, Eskişehir, June 2007. § U. Konur, U. Bayazıt, H.F. Ateş, S.F. Gürgen, "Spectral Coding of Mesh Geometry with a Hierarchical Set Partitioning Algorithm'', Proc. IEEE SİU, Eskişehir, June 2007. § H. Ateş, M.T. Orchard, B. Kanberoğlu, "Gerçel ve Karmaşık Süzgeç Öbeklerinin Eşdalgacıklı Tasarımı" (Equiripple Design of Real and Complex Filter Banks), Proc. IEEE SİU, Belek, Antalya, April 2006.
	Projects	TÜBİTAK-2009: ENHANCE, "Encoder Assisted Video Resolution Enhancement For Compressed Videos", Işık University. Principal investigator (PI): Hasan F. Ateş. 2009-2011. TÜBİTAK-2005: H.264, "Efficient and Low-complexity Encoder Design for H.264 Video Coding Standard", Işık University. Principal investigator (PI): Hasan F. Ateş. 2005-2008. IŞIK-2006: WAVELETS, "Design of Efficient Block Segmentation Methods for Wavelet-based Image Coders", Işık University. PI: Hasan F. Ateş. 2006-2009. TÜBİTAK-2006: 3D-CODING, “Efficient spectral Coding of 3-D Mesh Geometry With Hierarchical Set Partitioning ”, Işık University. PI: Uluğ Bayazıt. 2006-2008. TEYDEB-2006: CODEC, "Desing of Real-time Audio and Video Codecs", VESTEK Electronics A.Ş., PI: Orhan Coşkun. 2006-2008. FP6-2004: SPICE, "Signal, Image Processing and Pattern Recognition for Intelligent Automation Center", Sabanci University. PI: Aytül Erçil. 2005-2008. DPT: DRIVE-SAFE, "Signal Processing and Advanced Information Technologies for Improving Driver/Driving Prudence and Accident Reduction", Consortium: OTAM - Automotive Technologies R-D Center (USAMP), Sabanci University, Koç University, Istanbul Technical University, Ford A.Ş., Renault A.Ş., Tofaş A.Ş. PI: Aytül Erçil. 2005-2007.
	Presentations	§ Dec.9, '05 Friday Seminars, Işık University, Istanbul, Turkey Talk Title: Future of Video Compression: The H.264 Standard § Nov.19, '04 Sinyalist Group Meeting, Bogaziçi University, Istanbul, Turkey Talk Title: Novel Approaches for: Wavelet-based Image Coding, and H.264 Video Coding Standard § Oct.8, '03 Industry Affiliates Meeting at Rice Univ., Houston, TX, USA Poster Title: Complex Image Representations based on Single Quadrant Spectrum of Wavelet Subbands. § Nov.5-14, '02 6th Wavelet IDR Workshop at USC, Columbia, SC, USA Talk Title: Dealing With Location Uncertainty in Images § Oct.4, '02 Industry Affiliates Meeting at Rice Univ., Houston, TX, USA Poster Title: Alternative Representations of Phase for Modeling Location Uncertainty in Edges § Dec.21, '01 Texas Instruments Meeting at Rice Univ., Houston, TX, USA Talk Title: Nonlinear Wavelet Image Compression § Oct.17-19, '99 2nd Wavelet IDR Workshop at AT&T, Florham Park, NJ, USA Poster Title: Block Motion Estimation Using Wavelets
	Professional Activities	§ Book Review: Y. Altunbasak, H.F. Ates, "Understanding the Future of Video Coding: H.264 and MPEG-4 Video Compression, by I. Richardson", IEEE Multimedia Magazine, vol.12, no.1, pp:88-89, Jan.-March 2005. § Session Chair, Video coding-I, IEEE Int. Conf. on Image Processing (ICIP'06), October 9, 2006. § Technical Committee Member and Session Chair (Image and Video Processing/Coding) for SIU (2006, 2007). § Technical Program Committee Member for ISCIS (2006, 2007). § Proposal reviewer and referee for TEYDEB-Industrial R&D Projects, and TÜBİTAK Scientific Research Projects. § Technical Reviewer for the following journals: IEEE Transactions on Circuits and Systems for Video Technology IEEE Transactions on Image Processing Journal of Signal Processing: Image Communication, Elsevier Digital Signal Processing, Elsevier Optical Engineering, SPIE EURASIP Journal on Applied Signal Processing § Technical Reviewer for the following conferences: ICIP, ICASSP, EUSIPCO, SIU, Avics, ISCIS. § Served in the doctoral dissertation defense committee of 1 student. § Served in the masters defense committees of 7 students. § IEEE Member, 1997 -.
	Honors and Awards	§ Princeton University Gordon Wu Fellowship in Engineering and Applied Sciences, 1998-2002. § Rank 1, among Bilkent University Engineering Faculty graduates, 1998. § Bilkent University Scholarship, 1994-1998. § TUBITAK (Science and Technology Research Organization of Turkey) Scholarship, 1994-1998. § Rank 10, University Entrance Examinations, Turkey, 1994. § Bronze Medal, 35th Mathematical Olympiads, 1994 Hong Kong (as a member of Turkish Team). § Bronze Medal, 34th Mathematical Olympiads, 1993 Istanbul (as a member of Turkish Team).
	Technical Skills	§ Programming Languages: extensive use of MATLAB, C/C++, Turbo Pascal, x86 assembly. § Operating Systems: UNIX, Windows 95, 98, NT, 2000, XP, XP Pro. § Other tools: HTML, Latex, Microsoft Office, SPICE. § Languages: English (fluent), Turkish (native), German (intermediate).
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