47+

Publications

8+

Patents

8+

Projects

Popular Venues

Design Automation Conference (DAC)
DAC is the premier event devoted to the design and design automation of electronic systems and circuits. DAC focuses on the latest methodologies and technology advancements in electronic design.
Design, Automation and Test in Europe Conference (DATE)

DATE combines the world’s favourite electronic systems design and test conference with an international exhibition for electronic design, automation and test, from system-level hardware and software implementation right down to integrated circuit design.

IEEE Access

IEEE Access presents the results of original research or development across all of IEEE’s fields of interest, IEEE Access provides authors a high-quality open-access journal with a rapid yet rigorous peer review process of 4 to 6 weeks.

IEEE Transactions on Computers (IEEE TC)
TC is the IEEE Computer Society’s flagship journal and is considered a lead archival publication in the field of computing. It publishes high-quality research that is timely and relevant to researchers in academia, industry, and government laboratories.
International Conference on Computer-Aided Design (ICCAD)

The Premier Conference Devoted to Technical Innovations in Electronic Design Automation

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (IEEE TCAD)

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (IEEE TCAD) is a monthly peer-reviewed scientific journal covering the design, analysis, and use of computer-aided design of integrated circuits and systems.

Research Publications

  • Journal Paper: Y. Cho and M. Faisal and U. Sadiq and T. Arif and R. Hafiz and J. Seo and M. Ali,  "Learning to Detect Local Features using Information Change," in IEEE Access, doi: 10.1109/ACCESS.2021.3065014.
  • Journal Paper: H. Ahmad, T. Arif, M. A. Hanif, R. Hafiz, and M. Shafique, "SuperSlash: A Unified Design Space Exploration and Model Compression Methodology for Design of Deep Learning Accelerators With Reduced Off-Chip Memory Access Volume," in IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 39, no. 11, pp. 4191-4204, Nov. 2020, doi: 10.1109/TCAD.2020.3012865.
  • Journal Paper: M. A. Hanif, R. Hafiz, O. Hasan, M. Shafique, “PEMACx: A Probabilistic Error Analysis Methodology for Adders with Cascaded Approximate Units”, IEEE/ACM 57th Design Automation Conference (DAC), July, 2020.
  • Journal Paper: M. Riaz, R. Hafiz, S. A. Khaliq, M. Faisal, H. T. Iqbal, M. Ali, M. Shafique, "CAxCNN: Towards the Use of Canonic Sign Digit Based Approximation for Hardware-Friendly Convolutional Neural Networks," in IEEE Access, vol. 8, pp. 127014-127021, 2020, doi: 10.1109/ACCESS.2020.3008256.
  • Journal Paper: F. Riaz, S. Rehman, M. Ajmal, R. Hafiz, A. Hassan, N. R. Aljohani, M. Coimbra, Gaussian mixture model based probabilistic modeling of images for medical image segmentation. IEEE Access8, 16846-16856, (2020).
  • Book Chapter: M. Shafique, O. Hasan, R. Hafiz, S. Mazahir, M. A. Hanif, S. Rehman, "Approximate Computing across the Hardware and Software Stacks", Book Title: "Many-Core Computing: Hardware and Software", IET Digital Library 2019.
  • Journal Paper: A. Irshad, R. Hafiz, M. Ali, M. Faisal, Y. Cho, J. Seo, Twin-Net Descriptor: Twin Negative Mining With Quad Loss for Patch-Based Matching. IEEE Access7, 136062-136072, (2019).
  • Journal Paper: R. Amjad, R. Hafiz, M. U. Ilyas, M. S. Younis, M. Shafique, m-SAAC: Multi-stage adaptive approximation control to select approximate computing modes for vision applications. Microelectronics Journal91, 84-91, (2019).
  • Book Chapter: M. A. Hanif, R. Hafiz, M. U. Javed, S. Rehman, M. Shafique, Energy-Efficient Design of Advanced Machine Learning Hardware. In Machine Learning in VLSI Computer-Aided Design (pp. 647-678). Springer, Cham, (2019).
  • Book Chapter: M. A. Hanif, M. U. Javed, R. Hafiz, S. Rehman, M. Shafique, Hardware–Software Approximations for Deep Neural Networks. In Approximate Circuits (pp. 269-288). Springer, Cham, (2019).
  • Book Chapter: M. A. Hanif, R. Hafiz, M. Shafique, "Configurable Models and Design Space Exploration for Low-Latency Approximate Adders." Approximate Circuits. Springer, Cham, 3-23, (2019).
  • Book Chapter: M. A. Hanif, R. Hafiz, MU Javed, S. Rehman, and M. Shafique, Chapter Title: "Energy-Efficient Architectures and Design Methods for Advanced Machine Learning ", Book Title: "Machine Learning in VLSI CAD". The book shall be published by Springer. The editors are from MIT, Masdar & Duke University.
  • Journal Paper: M. A. Hanif, A. Marchisio, T. Arif, R. Hafiz, S. Rehman, M. Shafique, X-DNNs: Systematic Cross-Layer Approximations for Energy-Efficient Deep Neural Networks. Journal of Low Power Electronics, 14(4), 520-534, (2018).
  • ArXIV Preprint: Ahmad, Hazoor, et al. "Systimator: A Design Space Exploration Methodology for Systolic Array based CNNs Acceleration on the FPGA-based Edge Nodes." arXiv preprint arXiv:1901.04986 (2018).
  • Journal Paper: S. Mazahir, O. Hassan, R.Hafiz, M. Shafique, "Probabilistic Error Analysis of Approximate Recursive Multipliers", in IEEE Transactions on Computers (IEEE-TC), -accepted May 2017. DOI: 10.1109/TC.2017.2709542, IF: 2.916
  • Conference Paper: M.Shafique, R.Hafiz, M. U. Javed, S. Abbas,  L.Sekanina, Z.Vasicek, V.Mrazek, "Adaptive and Energy-Efficient Architectures for Machine Learning: Challenges, Opportunities, and Research Roadmap", IEEE Computer Society Annual Symposium on VLSI (ISVLSI 2017).
  • Journal Paper: Mazahir, Sana, et al. "Probabilistic error modeling for approximate adders." IEEE Transactions on Computers 66.3 (2017): 515-530.
  • Conference Paper: R. H. Javed, A. Siddique, R. Hafiz, O. Hasan, M. Shafique, ApproxCT: Approximate Clustering Techniques for Energy Efficient Computer Vision in Cyber-Physical Systems. In 2018 12th International Conference on Open Source Systems and Technologies (ICOSST) (pp. 64-70). IEEE, (2018, December).
  • Conference Paper: M.Shafique, R.Hafiz, M. U. Javed, S. Abbas,  L.Sekanina, Z.Vasicek, V.Mrazek, "Adaptive and Energy-Efficient Architectures for Machine Learning: Challenges, Opportunities, and Research Roadmap", IEEE Computer Society Annual Symposium on VLSI (ISVLSI 2017).
  • Conference Paper: M. A. Hanif, R. Hafiz, O. Hasan and M. Shafique, “QuAd: Design and Analysis of Quality-Area Optimal Low-Latency Approximate Adders”, Design Automation Conference (DAC-2017), Austin, TX, USA, To Appear.
    Paper received HiPEAC 2017 Award
  • Conference Paper: El-Harouni, Walaa, et al. "Embracing approximate computing for energy-efficient motion estimation in high efficiency video coding." 2017 Design, Automation & Test in Europe Conference & Exhibition (DATE). IEEE, 2017.
  • Conference Paper: S. Mazahir, O. Hasan, R. Hafiz, M. Shafique, J. Henkel, An area-efficient consolidated configurable error correction for approximate hardware accelerators. ACM/EDAC/IEEE 5rd Design Automation Conference (DAC),DAC 2016.
  • Conference Paper: M. Shafique, R. Hafiz, S. Rehman, W. El-Harouni, J. Henkel, Invited - Cross-layer approximate computing: from logic to architectures. ACM/EDAC/IEEE 5rd Design Automation Conference (DAC),DAC 2016: 99
  • Journal Paper: S. Mussadiq, R. Hafiz, M. Abdullah , Confined Projection on Selected Sub-surface using a Robust Binary Coded Pattern for Pico Projectors (Springer Multimedia, 2015)
  • Journal Paper: S. Saeed, R. Hafiz, A. Rasul, M. M. Khan, Y. Cho, U. Park, J.  Cha, “A unified panoramic stitching and multi-projector rendering scheme for immersive panoramic displays” (Elsevier Displays, Accepted 2015)
  • Journal Paper: K. Babar, R. Hafiz, K. Khurshid, et.al.  A Scalable Architecture for Geometric Correction of Multi-Projector Display Systems, Elsevier Displays , (June 2015)
  • Journal Paper: U. Kakli, H.S. Qureshi, M. M. Khan, R. Hafiz,  Y. Cho, P. Unsang, Quality Assessment of Images Projected using Multiple Projectors, KSII Transaction (May 2015)
  • Journal Paper: M. T. Ibrahim, R. Hafiz, M. M. Khan,Y. Cho,J. Cha, Automatic selection of colour reference image for panoramic stitching, Springer Multimedia Journal, ISSN 0942-4962, (May 2015)
  • Journal Paper: A. Hamza, R. Hafiz, M. M. Khan, Y. Cho, J. Cha, Stabilization of panoramic videos from mobile multi-camera platforms, Elsevier Image and Vision Computing, Volume 37, (May 2015), Pages 20-30, ISSN 0262-8856
  • Conference Paper: M. Shafique, W. Ahmad, R. Hafiz, J. Henkel, A low latency Generic Accuracy Configurable Adder in ACM/EDAC/IEEE 52nd Design Automation Conference (DAC), San Francisco, CA, USA, June 8-12, (2015)
  • Conference Paper: S. Shoaib, R. Hafiz, M. Shafique. "Hardware/Software Co-design of Embedded Real-Time KD-Tree Based Feature Matching Systems. ( ISVC 2014, USA)
  • Conference Paper: A. Ahmad, A. Kamboh, R. Hafiz, "Power & Throughput Optimized Lifting Architecture for Wavelet Packet Transform", IEEE International Symposium on Circuits and Systems ISCAS 2014 (June 2014, Melbourne)
  • Journal Paper: A. Ahmed, R. Hafiz, M. M. Khan, Y. Cho, J. Cha. "Geometric Correction for Uneven Quadric Projection Surfaces Using Recursive Subdivision of Bézier Patches." ETRI Journal 35, no. 6 (2013).
  • Conference Paper: R. Bilal, R. Hafiz, M. Shafique, S. Shoaib, A. Munawar, and Jorg Henkel. "ISOMER: Integrated selection, partitioning, and placement methodology for reconfigurable architectures." In Computer-Aided Design (ICCAD), 2013 IEEE/ACM International Conference on, pp. 755-762.
  • Conference Paper: R. Bilal, R. Hafiz, M. Shafique, S. Shoaib, A. Munawar, and Jorg Henkel. "ISOMER: Integrated selection, partitioning, and placement methodology for reconfigurable architectures." In Computer-Aided Design (ICCAD), 2013 IEEE/ACM International Conference on, pp. 755-762.
  • Conference Paper: S. Mussadiq and R. Hafiz, “Projection on Suitable Sub-Surface Selected in Indoor Environment", Proceedings of the 9th International Symposium on Visual Computing (ISVC 2013), Crete Greece.
  • Journal Paper: H. Qureshi, H. S., M. M. Khan, R. Hafiz, Y. Cho, and J. Cha. "Quantitative quality assessment of stitched panoramic images." IET Image Processing 6, no. 9 (2012): 1348-1358
  • Conference Paper: M. T. Ibrahim, R. Hafiz, M. M. Khan, Y. Cho,J. Cha, "Automatic Reference Selection for Parametric Color Correction Schemes for Panoramic Video Stitching", Proceedings of the 8th International Symposium on Visual Computing (ISVC 2012), pp. 492-501, 2012, Crete Greece.
  • Conference Paper: H. Qureshi, M. Khan, S. M. Aser, R. Hafiz, Association of pre-pregnancy weight and weight gain with perinatal mortality, ACM FIT, 2010
  • Journal Paper: R. Hafiz, and K. B. Ozanyan. "Optical absorption measurements in particle-containing ambients using gated ratiometric detection." Sensors Journal, IEEE 8, no. 8 (2008): 1437-1444.
  • Journal Paper: R. Hafiz and K. B. Ozanyan, "Digitally balanced detection for optical tomography." Review of Scientific Instruments 78, no. 10 (2007): 103101-103101.
  • Journal Paper: R. Hafiz and K. B. Ozanyan, “Digital Balanced Detection for Fast Optical CT in Fluidised Beds”. World Congress on Industrial Process Tomography (2007)
  • Conference Paper: R. Hafiz and K. B. Ozanyan, "Digital Balanced Detection for Fast Optical Computerized Tomography," Proceedings of SPIE, vol. 6371 (2006)
  • Conference Paper: R. Hafiz and K. B. Ozanyan, “Digital Alternatives to Analogue Balanced Detection for Optical Tomography”. Proceedings of Institute of Physics,  Photon06, Manchester, (2006)
  • Conference Paper: R. Hafiz and K. B. Ozanyan, Balanced Detection Schemes for Multi-channel Sensing. Photonics North West. Manchester , 2006
  • Conference Paper: R. Hafiz, A. Tahir et al., “An optimized hardware accelerator for Real Time Registration of Aerial Video Imagery and its applications.” ICIG 2004. Proceedings of 3rd IEEE International Conference on Image and Graphics , Hong Kong , December 18-20 (2004)
  • Conference Paper: A. Khalid, A. Bhatti, R. Hafiz, A low complexity high resolution time-stepped stochastic ground combat model based on Monte-Carlo Simulation. Proceedings of 7th IEEE International Multi-Topic Conference (INMIC 2003), Serena Hotel Islamabad, Pakistan. December 8-9 (2003).

Research Projects...

  • Rehan Hafiz, Mohen Ali, “Research on Deep Learning Assisted Correspondence Estimation for better 3D Reconstruction”, Funding 56 Million KRW, ETRI, South Korea, 2020.
  • Rehan Hafiz & Tasueef Tauqeer, “Urban Edge - Deployable AI for Viable Urban Planning on the Edge." (Submitted), HEC GCF call 2020
  • Rehan Hafiz, Mohen Ali, “Research on Deep Learning Assisted Feature Extractor and Descriptor Performance Improvement”, Funding 42.5 Million KRW, ETRI, South Korea, 2019.
  • Rehan Hafiz, Mohen Ali, “Research on Deep Learning Assisted Feature Extractor and Descriptor, Funding 42.5 Million KRW, ETRI, South Korea, 2018.
  • Rehan Hafiz, Dr. Tauseef Tauqeer “SMOGARE: A Scalable and Affordable Real-Time Air Quality Monitoring”, Funding Rs. 5.86 Million, HEC-PBAIR, 2018.
  • Tauseef Tauqeer, Usman Younis, Rehan Hafiz, “Industrial Monitoring and Automation Lab (iMAL)”, Funding Rs. 73.98 Million, Higher Education Commission (HEC) National Centre for Robotics and Automation, 2018.
  • Rehan Hafiz, "AxVision - Application- Specific & Data-Aware, Approximate-Computing for Energy Efficient Image & Vision Processing Applications", Funding Rs. 3.14 Million, National Research Program for Universities (NRPU), Higher Education Commission (HEC), 2018.
  • Ali Ahmed, Rehan Hafiz, “An advance coding scheme for wireless communication in an unknown environment”, Funding Rs. 2.9 Million, National Research Program for Universities (NRPU), Higher Education Commission (HEC), 2017.

List of Patents...

  • “Geometric Correction Apparatus and Method based on Recursive Bezier Patch Sub-Division”, Registration No.(Date) 1014096190000 (2014.06.12) (Korean Patent Office)       (Accepted)
  • Application No. 550/2011, “A High Throughput, Low Interrupt Generic Micro-coded Architecture for Ultra High Speed Communication Protocols”, Filed 2011 (Pakistan Patent Office)       (Accepted)
  • Application No. 1020130109111, “Colour correction apparatus for panorama video stitching and method for selection of reference image thereof”, Filed 2013.09.11 (Korean Patent Office)
  • Application No. US 13/658,039, “Apparatus and method for correcting color of image projection device”, Filed Oct 2012 (US Patent Office)
  • Application No. 1020120111325, “Apparatus and method for correcting color of image projection device.”, Filed 2012.10.08 (Korean Patent Office)
  • Application No. 13/678,315, “Geometric correction apparatus and method based on recursive Bezier patch sub-division cross-reference to related application”, Filed Nov 2012 (US Patent Office)
  • Application No. 14/044,405, A method for stabilization of stitched videos captured from a multi-camera platform, Filed Nov 2013 (US Patent Office)
  • Application No. 14/024,877, “Colour correction apparatus for panorama video stitching and method for selection of reference image thereof”, Filed 2014.03.13 (US Patent Office)