Hasan F. Ate

I k University

Electronics Engineering

ile 34980, stanbul, TURKEY

(Office) 216-***-**** / (Cell) 537-***-****

E-mail: abqf9d@r.postjobfree.com

http://www.isikun.edu.tr/~hfates

RESEARCH INTERESTS

Video Processing: video resolution enhancement (frame rate conversion, superresolution),

video coding (H.264 standard, motion estimation, mode decision, scalable coding, transcoding).

Image Processing: image coding (wavelet image compression, subband image coding), image

superresolution, interpolation, denoising.

Embedded Programming on DSPs, Wavelets and Multiresolution Analysis, 3-D Mesh Coding.

EXPERIENCE

Assistant Prof.

I k University, stanbul, Turkey (Aug. 05-present)

- Acting/acted as the principal investigator for two T B TAK (Turkish Science and

Research Organization) and one I k University project in image and video processing.

- Developing state-of-art algorithms and publishing papers for motion estimation, mode

decision in H.264 video coding, video frame rate conversion, superresolution, and wavelet-based image compression.

- Teaching courses in Image, Video and Multimedia Processing, DSP Programming, Circuit Theory, Linear Algebra.

- Advisor to ve M.S. thesis (four completed).

Postdoc Researcher

Sabanci University, Istanbul, Turkey (Feb.'04-present)

- 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).

Research Assistant

Princeton University, Princeton, NJ, USA (June'99-Nov.'03)

- 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.

EDUCATION

Sept.'98-Jan.'04 Princeton University, Princeton, NJ, USA

Ph.D. in Electrical Engineering, January'04

Dissertation:

"Modeling Location Information for Wavelet-based Image Coding"

Advisor: Michael T. Orchard

M.A. in Electrical Engineering, June'00

Concentration: Information Sciences and Systems

GPA: 3.96/4.00

Sept.'94-June'98 Bilkent University, Ankara, Turkey

B.S. in Electrical and Electronics Engineering, June'98

GPA: 3.99/4.00

PUBLICATIONS

Journal Papers

1. H.F. Ates, E. Tamer, "Hierarchical Quantization Indexing for Wavelet and Wavelet Packet Image Coding", Signal Processing: Image Comm., Elsevier, vol. 25, no. 2, pp. 111-120, Feb.2010.

2. U. Bayazit, U. Konur, H.F. Ates, "3-D Mesh Geometry Compression with Set Partitioning in the Spectral Domain", IEEE Trans. Circuit Sys. Video Tech., vol.20, no.2, pp.179-188, Feb. 2010.

3. H.F. Ates, M.T. Orchard, "Spherical Coding Algorithm for Wavelet Image Compression", IEEE Trans. Image Proc., vol.18, no.5, pp:1015-1024, May 2009.

4. H.F. Ates, Y. Altunbasak, "Rate-distortion and Complexity Optimized Motion Estimation for H.264 video coding", IEEE Trans. Circuit Sys. Video Tech., vol.18, no.2, pp:159-171, Feb. 2008.

5. 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.

6. M. Fatemi, H.F. Ates, R. Saleh, "Fast Algorithm Analysis and Bit-Serial Architecture Design for Sub-Pixel Motion Estimation in H.264", accepted, Journal of Circuits, Systems, and Computers, Dec. 2010.

International Conference Papers

B. Cizmeci, H.F. Ates, "Occlusion Aware Motion Compensation for Video Frame Rate Up-Conversion", Proc. IASTED International Conf. on Signal and Image Processing (SIP), Maui, Hawaii, August 2010.

H.F. Ates, E. Tamer, Wavelet-Based Image Compression By Hierarchical Quantization Indexing, Proc. European Signal Processing Conference (EUSIPCO 09), Glasgow, A ustos 2009.

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. Bayaz t, H.F. Ate, S.F. G rgen, "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. izmeci, H.F. Ate, "Occlusion Artifact Removal in Video Frame Rate Up-conversion", accepted to S U, Antalya, April 2009.

H.F. Ate, E. Tamer, "Spherical Representation in Wavelet Packets for Image Coding'', accepted to IEEE Sinyal Isleme ve Iletisim Uygulamalari Kurultayi (S U), Didim, April 2008.

H.F. Ate, Y. Altunbasak, "Frame-level Complexity Control in H.264 Video Coding'', Proc. IEEE S U, Eski ehir, June 2007.

U. Konur, U. Bayaz t, H.F. Ate, S.F. G rgen, "Spectral Coding of Mesh Geometry with a Hierarchical Set Partitioning Algorithm'', Proc. IEEE S U, Eski ehir, June 2007.

H. Ate, M.T. Orchard, B. Kanbero lu, "Ger el ve Karma k S zge beklerinin E dalgac kl Tasar m " (Equiripple Design of Real and Complex Filter Banks), Proc. IEEE S U, Belek, Antalya, April 2006.

PROJECTS

KAMAG-2009: YON, "Forensic Image Enhancement/Restoration Project", as project partner, with T B TAK-MAM (BTE). 2009-2011.

T B TAK-2009: KAR YER, "Encoder Assisted Video Resolution Enhancement For Compressed Videos", as Principal investigator (PI), I k University. 2009-2012.

T B TAK-2005: H.264, "Efficient and Low-complexity Encoder Design for H.264 Video Coding Standard", Sabanc University. Principal investigator: Hasan F. Ate . 2005-2008.

TEYDEB-2006: CODEC, "Design of Real-time Audio and Video Codecs", as project consultant, with VESTEK Electronics A.?. 2006-2008.

I IK-2006: WAVELETS, Design of Efficient Block Segmentation Methods for Wavelet-based Image Coders, I k University. Principal investigator: Hasan F. Ate . 2006-2008.

T B TAK-2006: 3D-CODING, "Effi cient Spectral Coding of 3-D Mesh Geometry with Hierarchical Set Partitioning", as project researcher, with stanbul Technical University. 2006-2008.

FP6-2004: SPICE, "Signal, Image Processing and Pattern Recognition for Intelligent Automation Center", Sabanc University. Principal investigator: Ayt l Er il. 2005-2008. Funding: 800,000 Euro.

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), Sabanc University, Ko University, stanbul Technical University, Ford A. ., Renault A. ., Tofa A. . Principal investigator: Ayt l Er il. 2005-2007. Funding: 750,000 $.

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), 2006.

- Technical Program 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 T B TAK Scienti c Research Projects.

- Technical Reviewer for the following journals:

- IEEE Transactions on Circuits and Systems for Video Technology

- IEEE Transactions on Image Processing

- Signal Processing: Image Communication, Elsevier

- Digital Signal Processing, Elsevier

- Journal of Electronic Imaging, SPIE

- Signal Processing, Elsevier

- IEEE Transactions on Multimedia

- Optical Engineering, SPIE

- Technical Reviewer for the following conferences: ICIP, ICASSP, EUSIPCO, S U, Avics, ISCIS, ICPR.

- 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, Code Composer Studio, VISTA.

Other tools: HTML, Latex, Microsoft Office, SPICE.

Languages: English (fluent), Turkish (native), German (intermediate).

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