News

One paper has been accepted for presentation at the Approximate Bayesian Inference Workshop of NIPS conference (November 2017)

One paper from SPIS researchers and their collaborators have been accepted for presentation at the Approximate Bayesian Inference Workshop of Neural Information Processing Systems (NIPS) conference :

  • “Image Segmentation with Pseudo-marginal MCMC Sampling and Nonparametric Shape Priors”, authored by Ertunc Erdil, Sinan Yıldırım, Tolga Tasdizen, Mujdat Cetin

Mastaneh Torkamani Azar receives the FENS Excellence in Teaching Award (July 2017)

SPIS researcher Mastaneh Torkamani Azar receives the FENS Excellence in Teaching Award. The awardees are nominated by instructors and then elected by the Graduate Student Assignment and Evaluation Committee. Course evaluations of undergraduate students are also taken into account by the Committee.

SPIS research on object segmentation using shape and feature priors has been accepted for publication in the IEEE Transactions on Image Processing (July 2017)

SPIS researchers and their collaborators have developed a technique for object segmentation using nonparametric shape and feature priors. The article describing this work, titled “Nonparametric Joint Shape and Feature Priors for Image Segmentation”, authored by Ertunc Erdil, M. Usman Ghani, Lavdie Rada, A. Özgür Argunşah, Devrim Unay, Tolga Taşdizen, and Müjdat Çetin, has been acccepted for publication in the IEEE Transactions on Image Processing.

Ahmed Shaharyar Khwaja is among the best reviewers of 2016 for IEEE Geoscience and Remote Sensing Letters (June 2017)

Ahmed Shaharyar Khwaja has been selected as one of the best reviewers of IEEE Geoscience and Remote Sensing Letters in 2016. Below is the part of the announcement page in IEEE Geoscience and Remote Sensing Magazine.

NVIDIA supported SPIS research (May 2017)

NVIDIA Corporation supported SPIS research with the donation of the Titan XP GPU. We gratefully acknowledge the support of NVIDIA Corporation to our research.

SPIS research on SAR moving object imaging to appear in the special issue on Advanced Techniques for Radar Signal Processing of the EURASIP Journal on Advances in Signal Processing (April 2017)

SPIS researchers have proposed a new method for moving target radar images. The article titled “SAR Moving Object Imaging using Sparsity Imposing Priors”, authored by Ozben Onhon and Mujdat Cetin, has been accepted for publication in the special issue on Advanced Techniques for Radar Signal Processing of the EURASIP Journal on Advances in Signal Processing.

SPIS research on neural correlates of motor learning to appear at the Journal of Neural Engineering (April 2017)

SPIS researchers and their collaborators at the Human Machine Interaction Laboratory at Sabanci University and Max Planck Institute for Intelligent Systems in Tuebingen, Germany have reported evidence on electroencephalographic correlates of motor learning during physical motor adaptation of upper arm movements, that can be potentially exploited in novel brain-machine interface assisted robotic stroke rehabilitation protocols. The article titled “Electroencephalographic Identifiers of Motor Adaptation Learning”, authored by Ozan Ozdenizci, Mustafa Yalcin, Ahmetcan Erdogan, Volkan Patoglu, Moritz Grosse-Wentrup and Mujdat Cetin, has been accepted for publication in the Journal of Neural Engineering.

SPIS research on compressed sensing inverse SAR imaging appears in the special issue on “Radio and Radar Signal Processing” of MDPI Electronics journal (March 2017)

SPIS researchers have developed a new compressed sensing inverse SAR imaging technique that can deal with highly maneuvering motion. The technique is based on a partial fixed and a partial parametric dictionary approach. The article describing this work, titled “Compressed Sensing ISAR Reconstruction Considering Highly Maneuvering Motion”, authored by Ahmed Shaharyar Khwaja and Müjdat Çetin has been published in the special issue on “Radio and Radar Signal Processing” of the MDPI Electronics journal .

Six SPIS papers have been accepted for presentation at SIU 2017 (March 2017)

  • “SAR Imaging of Moving Targets by Subaperture based Low-rank and Sparse Decomposition”, authored by Mubashar Yasin, Mujdat Cetin and Ahmed Shaharyar Khwaja.
  • “Retail Product Recognition with a Graphical Shelf Model”, authored by İpek Baz, Erdem Yoruk, Mujdat Cetin.
  • “3D Dendritic Spine Segmentation using Nonparametric Shape Priors”, authored by Erdem Bocugoz, Ertunc Erdil, A. Ozgur Argunsah, Devrim Unay, and Müjdat Çetin.
  • “On Comparison of Different Classification Techniques for the Fine-Grained Retail Product Recognition Problem”, authored by O. Berk Satir, İpek Baz, Ertunc Erdil, Erdem Yoruk, and Müjdat Çetin.
  • “A Markov Chain Monte Carlo based Rigid Image Registration Method”, authored by Navdar Karabulut, Ertunc Erdil, and Müjdat Çetin.
  • “Coupled Shape Priors for Dynamic Segmentation of Dendritic Spines”, authored by Naeimeh Atabaki, Ertunc Erdil, A. Ozgur Argunsah, Lavdie Rada, Devrim Unay, and Müjdat Çetin.

SPIS research on dendritic spine classification to appear at the Journal of Neuroscience Methods (December 2016)

SPIS researchers and their collaborators have developed an automated method to classify dendritic spines using shape and appearance features based on two-photon laser scanning microscopy (2PLSM) data. The article describing this work, titled “Dendritic Spine Classification using Shape and Appearance Features based on Two-Photon Microscopy”, authored by M. Usman Ghani, Fitsum Mesadi, Sümeyra Demir Kanık, A. Özgür Argunşah, Anna Felicity Hobbiss, Inbal Israely, Devrim Ünay, Tolga Taşdizen, and Müjdat Çetin, has been acccepted for publication in the Journal of Neuroscience Methods.

Two SPIS papers have been accepted for presentation at ICASSP 2017 (December 2016)

  • “Disjunctive Normal Shape Boltzmann Machine”, authored by Ertunç Erdil, Fitsum Mesadi, Tolga Taşdizen, and Müjdat Çetin.
  • “Pre-Movement Contralateral EEG Low Beta Power is Modulated with Motor Adaptation Learning”, authored by Ozan Özdenizci, Mustafa Yalçın, Ahmetcan Erdoğan, Volkan Patoğlu, Moritz Grosse-Wentrup, and Müjdat Çetin.

Müjdat Çetin has been elected as the vice-chair of the IEEE Computational Imaging Special Interest Group (December 2016)

Müjdat Çetin has been elected as the vice-chair of the IEEE Computational Imaging Special Interest Group. The purpose of the Computational Imaging Special Interest Group (CI SIG) is to promote and orient activities within the technical area of computational imaging, distinguished from image processing by the role of computation in the image formation process. The CI SIG provides leadership for the organization and the technical programs of major IEEE conferences in this area. It also solicits, evaluates, and endorses nominations for awards in this research domain. Müjdat Çetin will start serving as the vice-chair in 2017 and will take over as chair in January 2018.

One SPIS paper accepted to BioImage Computing workshop of ECCV (July 2016)

One paper from SPIS have been accepted for presentation at the BioImage Computing workshop of European Conference on Computer Vision (ECCV):

  • M. U. Ghani, E. Erdil, S. D. Kanık, A. Ö. Argunsah, A. F. Hobbiss, I. Israely, D. Ünay, T. Tasdizen, M. Cetin, “Dendritic Spine Shape Analysis: A Clustering Perspective”.

Three SPIS papers accepted to MLUB workshop (May 2016)

Three papers from SPIS have been accepted for presentation at the International Workshop on Machine Learning for Understanding the Brain (MLUB):

  • M. Elwardy, T. Tasdizen, M. Cetin, “Disjunctive Normal Unsupervised LDA for P300-based Brain-Computer Interfaces”.
  • Sezen Y. Günay, E. Hocaoğlu, V. Patoğlu, M. Çetin, “Classification of Motor Task Execution Speed from EEG Data”.
  • O. Özdenizci , M. Yalçın , A. Erdoğan , V. Patoğlu , M. Grosse-Wentrup, M. Çetin, “Resting-State EEG Correlates of Motor Learning Performance in a Force-Field Adaptation Task”.

Müjdat Çetin will give a talk on “Brain Data and Imaging Sciences” (May 2016)

Müjdat Çetin will give a talk on “Brain Data and Imaging Sciences” on Wednesday, May 4, at 12:40 pm in FENS L062.

Two SPIS papers accepted to SIU (March 2016)

Two papers from SPIS have been accepted for presentation at the 24st International Conference on Signal Processing, Communications Applications (SIU), 2016:

  • S. Y. Günay, E. Hocaoğlu, V. Patoğlu, M. Çetin, “Detection of Motor Task Difficulty Level from EEG Data”.
  • M. U. Ghani, S. D. Kanık, A. Ö. Argunsah, I. Israely, D. Ünay, M. Çetin, “Dendritic Spine Classification based on Two-Photon Microscopic Images using Sparse Representation”.

One SPIS paper accepted to CVPR (February 2016)

One paper from SPIS have been accepted for presentation at the Computer Vision and Pattern Recognition (CVPR) conference. CVPR is known as one of the top conferences in the field of computer vision:

  • E. Erdil, S. Yildirim, T. Tasdizen, M. Cetin, “MCMC Shape Sampling for Image Segmentation with Nonparametric Shape Priors”.

Three SPIS papers accepted to ISBI (January 2016)

Three papers from SPIS have been accepted for presentation at the International Conference on Biomedical Imaging (ISBI) 2016:

  • M. U. Ghani, F. Mesadi, S. D. Kanik, A. O. Argunsah, I. Israely, D. Unay, T. Tasdizen, M. Cetin, “Dendritic Spine Shape Analysis Using Disjunctive Normal Shape Models”.
  • M. U. Ghani, A. O. Argunsah, I. Israely, D. Unay, T. Tasdizen, M. Cetin, “On Comparison of Manifold Learning Techniques for Dendritic spine classi cation”.
  • E. Erdil, L. Rada, A. O. Argunsah, D. Unay, T. Tasdizen, M. Cetin, “Nonparametric Joint Shape and Feature Priors for Segmentation of Dendritic Spines”.

SPIS co-authored paper gets recognition at international conference (October 2015)

The paper “An Augmented Lagrangian Method for Image Reconstruction with Multiple Features,” co-authored by Emre Güven and Alper Güngör from Aselsan, Inc., together with Müjdat Çetin has been recognized as one of the “Top 10%” papers at the IEEE International Conference on Image Processing (ICIP) 2015, based on reviewer evaluations.

Ozan Ozdenizci has attended Summer School on Neurorehabilitation (September 2015)

Ozan Ozdenizci has attended Summer School on Neurorehabilitation (SSNR) between 13th - 18th of September in Valencia, Spain.

Three new graduate students join SPIS (September 2015)

Three new graduate students, Mubashar Yasin, Naeimeh Atabakilachini, and Oguzcan Zengin have joined SPIS as of September 2015.

Ertunç Erdil received EMBO Short-Term fellowship (July 2015)

Ertunç Erdil has been awarded by a short term fellowship by European Molecular Biology Organization (EMBO) to visit the Champalimaud Centre for the Unknown, in Lisbon, for 30 days.

Müjdat Çetin to deliver keynote speech at CoSeRa (June 2015)

Müjdat Çetin to deliver keynote speech at the International Workshop on Compressed Sensing Theory and its Applications to Radar, Sonar and Remote Sensing (CoSeRa) to be held from June 16-19, 2015 in Pisa, Italy.

Sabancı University ranks 13th in THE Index on young universities (May 2015)

Sabancı University ranked 13th in the world in the Times Higher Education (THE) “100 Under 50″ list of the top universities younger than 50 years.

Six papers have been accepted for publication in SIU 2015 (April 2015)

Six SPIS papers have been accepted for publication in Signal Processing and Communication Applications (SIU) conference. SIU will be held between 16-19 May, 2015 in Malatya.

Two SPIS papers have been presented in ISBI conference (April 2015)

Two SPIS papers have been presented by Ertunc Erdil and Nisha Ramesh in International Symposium on Biomedical Imaging (ISBI) conference.

Müjdat Çetin will give a talk on “Brain-Computer Interfaces” (April 2015)

Müjdat Çetin will give a talk on “Brain-Computer Interfaces” on 13 April, 2015 at 14:40 in FASS G022.
More Information…

Müjdat Çetin has been elected to the IEEE Image, Video, and Multidimensional Signal Processing Technical Committee (February 2015)

Müjdat Çetin has been elected to the IEEE Image, Video, and Multidimensional Signal Processing Technical Committee. The purpose of the Image, Video, and Multidimensional Signal Processing Technical Committee (IVMSP TC) is to promote and guide the advancement of the field of image, video, and multidimensional signal processing. The IVMSP TC provides leadership for the organization and the technical programs of major IEEE conferences in these areas. It also solicits, evaluates, and endorses nominations for awards in these research domains. The committee contributes to the processes of constructing and updating the editorial boards of IEEE journals related to image, video, and multidimensional signal processing as well. Members of this committee serve for three years.

Müjdat Çetin joins the editorial board of the IEEE Transactions on Image Processing (September 2014)

Müjdat Çetin has been appointed as an Associate Editor for the IEEE Transactions on Image Processing. IEEE Transactions on Image processing is the leading international journal in the field of image formation, processing, and analysis.  As a member of the editorial board, Müjdat Çetin will conduct the review process of articles on topics such as radar imaging, tomographic imaging, image segmentation, sparse image representation, and biomedical image analysis.

SPIS research on joint radar imaging and model error correction to appear at IEEE Transactions on Image Processing (August 2011)

Our paper “A Sparsity-driven Approach for Joint SAR Imaging and Phase Error Correction” has been accepted for publication in IEEE Transactions on Image Processing.

SPIS research on decentralized estimation to appear at IEEE Transactions on Signal Processing (July 2011)

Our paper “Monte Carlo Optimization of Decentralized Estimation Networks Over Directed Acyclic Graphs Under Communication Constraints” has been accepted for publication in IEEE Transactions on Signal Processing.

Videos of real-time brain-computer interface (BCI) developed at SPIS now online  (January 2011)

Videos of our work on brain-computer interfaces (BCI) involving a real-time P300-based speller is now online at http://armaganamcalar.com/technology .

SPIS co-authored article receives IEEE Signal Processing Society Best Paper Award (January 2011)

Our paper “A Sparse Signal Reconstruction Perspective for Source Localization With Sensor Arrays” has received the 2010 IEEE Signal Processing Society Best Paper Award.

Müjdat Çetin receives METU Parlar Foundation Research Incentive Award (Dec. 2010)

Müjdat Çetin has received the 2010 METU Mustafa Parlar Foundation Research Incentive Award.

ICPR 2010 held in İstanbul (August 2010)

The 20th International Conference on Pattern Recognition, ICPR 2010, was held on August 23-26, 2010 at the İstanbul Convention & Exhibition Centre (ICEC), İstanbul, Turkey. SPIS Laboratory was heavily involved in technical and local organization of this major international conference with 1300+ attendees.

Murat Üney receives paper award at SİU (April 2009)

Murat Üney has received the second place award at the Student Paper Competition at the IEEE Conference on Signal Processing, Communications, and their Applications (SİU) 2009 through his paper titled “Decentralized Random-Field Estimation Under Communication Constraints.”

EURASIP Workshop on Sparsity and Compressive Sensing held in Antalya (April 2009)

Müjdat Çetin has co-organized the EURASIP Workshop on Sparsity and Compressive Sensing.

SPIS co-authored article receives Elsevier Signal Processing Best Paper Award (May 2008)

Our paper “Nonparametric Shape Priors for Active Contour-based Image Segmentation” has received the 2007 Elsevier Signal Processing Journal Best Paper Award.

Müjdat Çetin receives TÜBA Distinguished Young Scientist Award (April 2008)

Müjdat Çetin has received the 2008  Turkish Academy of Sciences (TÜBA) Distinguished Young Scientist Award (GEBIP).

Esra Vural receives best paper award at SİU (April 2008)

Esra Vural has received the Alper Atalay Best Student Paper Award at the IEEE Conference on Signal Processing, Communications, and their Applications (SİU) 2008 through her paper titled “Detecting Driver Drowsiness Using Computer Vision Techniques.”