Journal Publications

M. Akçakaya, H. Rayatzadeh, T. A. Basha, S. N. Hong, R. H. Chan, K. V. Kissinger, T. H. Hauser, M, E. Josephson, W. J. Manning and R. Nezafat, “Accelerated Late Gadolinium Enhancement Cardiac MRI with Isotropic Spatial Resolution Using Compressed Sensing: Initial Experience,” Radiology, in press.

B. Babadi, M. Akçakaya and V. Tarokh, "An Information-Theoretic Universal Sufficiency Condition for Noisy Sparse Recovery," submitted, 2011.

M. Akçakaya and R. Nezafat, “Induced Structured-Sparsity for Improved Convex Compressed Sensing Reconstruction,” submitted, 2011.

M. H. Moghari, T. A. Basha, S. N. Hong, R. H. Chan, J. Afilalo, H. Rayatzadeh, M. Akçakaya, K. V. Kissinger, B. Goddu, W. J. Manning and R. Nezafat, "Free-Breathing Late Gadolinium Enhancement with a Fixed Scan Time Using CosMo," submitted, 2011.

M. Akçakaya*, T. A. Basha*, R. H. Chan, H. Rayatzadeh, K. V. Kissinger, B. Goddu, L. A. Goepfert, W. J. Manning and R. Nezafat, "Accelerated Contrast-Enhanced Whole Heart Coronary MRI using Low-dimensional-Structure Self-learning and Thresholding (LOST)," Magnetic Resonance in Medicine, in press (*: denotes co-first authorship). (pdf) (cover image)

S. Nam, M. Akçakaya, T. A. Basha, C. Stehning, W. J. Manning, V. Tarokh and R. Nezafat, “Compressed Sensing Reconstruction for Whole Heart Imaging with 3D Radial Trajectories: A GPU Implementation,” Magnetic Resonance in Medicine, in press. (pdf)

M. Akçakaya, T. A. Basha, B. Goddu, L. A. Goepfert, K. V. Kissinger, V. Tarokh, W. J. Manning and R. Nezafat, "Low-dimensional-Structure Self-Learning and Thresholding (LOST): Regularization Beyond Compressed Sensing for MRI Reconstruction," Magnetic Resonance in Medicine, 66(3), pp. 756–767, September 2011. (pdf) ISMRM I. I. Rabi Young Investigator Award Finalist

M. H. Moghari, M. Akçakaya, A. O'Connor, T. A. Basha, M. Casanova, L. Goepfert, K. V. Kissinger, B. Goddu, M. L. Chuang, V. Tarokh, W. J. Manning and R. Nezafat, "Compressed-Sensing Motion Compensation (CosMo): A Joint Prospective-Retrospective Respiratory Navigator for Coronary MRI," Magnetic Resonance in Medicine, to appear. (pdf)

M. Akçakaya, J. Park and V. Tarokh, "A Coding Theory Approach to Noisy Compressive Sensing Using Low Density Frames," IEEE Trans. on Signal Processing, 59(11), pp. 5369-5379, Nov. 2011. (pdf)

M. Akçakaya, P. Hu, M. L. Chuang, T. H. Hauser, L. H. Ngo, W. J. Manning, V. Tarokh and R. Nezafat, "Accelerated Non-Contrast Enhanced Pulmonary Vein MRA with Distributed Compressed Sensing,'' Journal of Magnetic Resonance Imaging, 33(5), pp. 1248-1255, May 2011. (pdf)

M. Akçakaya, S. Nam, P. Hu, M. H. Moghari, L. H. Ngo, V. Tarokh, W. J. Manning and R. Nezafat, "Compressed Sensing with Wavelet Domain Dependencies for Coronary MRI: A Retrospective Study," IEEE Trans. on Medical Imaging, 30(5), pp. 1090-1099, May 2011. (pdf)

M. Akçakaya and V. Tarokh, "Shannon Theoretic Limits on Noisy Compressive Sampling," IEEE Trans. on Information Theory, 56(1), pp. 492-504, Jan. 2010. (pdf)

M. Akçakaya and V. Tarokh, "A Frame Construction and A Universal Distortion Bound for Sparse Representations," IEEE Trans. on Signal Processing, 56(6), pp. 2443-2450, June 2008. (pdf)

M. Akçakaya and V. Tarokh, "Performance of Sparse Representation Algorithms Using Randomly Generated Frames," IEEE Signal Processing Letters, 14(11), pp. 777-780, November 2007. (pdf)

N. Mysore, J. Bajcsy, M. Akçakaya and H. Kobayashi, "A New Performance Evaluation Technique for Iteratively Decoded Magnetic Recording Systems," IEEE Trans. on Magnetics, 41(10), pp. 2986-2988, Oct. 2005. (pdf)

Selected Conference Papers

M. Akçakaya, H. Rayatzadeh, S. N. Hong, T. H. Hauser, R. H. Chan, T. A. Basha, K. V. Kissinger, B. Goddu, W. J. Manning and R. Nezafat, “Improved Late Gadolinium Enhancement Imaging of Left Ventricle with Isotropic Spatial Resolution,” Proc. 15th Scientific Sessions of SCMR, 2012. SCMR Early Career Award Finalist (Basic Translational Research)

M. Akçakaya, S. N. Hong, R. H. Chan, T. A. Basha, M. H. Moghari, K. V. Kissinger, B. Goddu, M. E. Josephson W. J. Manning and R. Nezafat, “Left Atrial Scar Assessment using Imaging with Isotropic Spatial Reso;ution and Compressed Sensing,” Proc. 15th Scientific Sessions of SCMR, 2012. SCMR Early Career Award Finalist (Basic Science Research)

S. Nam, M. Akçakaya, Y. Kwak, B. Goddu, K. V. Kissinger, M. E. Josephson W. J. Manning, V. Tarokh and R. Nezafat, “Improved Accelerated Breath-hold Radial Cine Image Reconstruction by Acquiring Additional Free-Breathing Data between Breath-holds,” Proc. 15th Scientific Sessions of SCMR, 2012.

J. L. Shaw, M. H. Moghari, M. Akçakaya, R. H. Chan, W. J. Manning and R. Nezafat, “Improved Navigator-gated Motion Compensation in Cardiac MR Using Additional Constraint of Magnitude of Motion-Corrupted Data,” Proc. 15th Scientific Sessions of SCMR, 2012.

M. Akçakaya, T. A. Basha, B. Goddu, L. Goepfert, K. V. Kissinger, V. Tarokh, W. J. Manning and R. Nezafat, "Low-dimensional-Structure Self-Learning and Thresholding (LOST): Regularization Beyond Compressed Sensing for MRI Reconstruction," Proceedings of the 19th Scientific Meeting of ISMRM, Montreal, Canada, May 2011.

M. Akçakaya*, T. A. Basha*, K. V. Kissinger, B. Goddu, L. Goepfert, W. J. Manning and R. Nezafat, "Accelerated Contrast-Enhanced Whole Heart Coronary MRI Using Low-dimensional-Structure Self-learning and Thresholding (LOST), an Improved Compressed Sensing Reconstruction," Proceedings of the 19th Scientific Meeting of ISMRM, Montreal, Canada, May 2011 (*: denotes co-first authorship).

M. Akçakaya*, S. Nam*, T. A. Basha, V. Tarokh, W. J. Manning and R. Nezafat, "Iterative Compressed Sensing Reconstruction for 3D Non-Cartesian Trajectories without Gridding & Regridding at Every Iteration," Proceedings of the 19th Scientific Meeting of ISMRM, Montreal, Canada, May 2011 (*: denotes co-first authorship).

T. A. Basha, M. Akçakaya, M. H. Moghari, K. V. Kissinger, B. Goddu, L. Goepfert, W. J. Manning and R. Nezafat, "Minimization of Imaging Artifacts from Profile Ordering of Randomly Selected k_y-k_z Lines for Prospective Compressed-Sensing Acqusition in 3D Segmented SSFP and GRE Imaging," Proceedings of the 19th Scientific Meeting of ISMRM, Montreal, Canada, May 2011.

M. H. Moghari, T. A. Basha, M. Akçakaya,, A. O’Connor, L. Goepfert, K. V. Kissinger, B. Goddu, D. Stanton, W. J. Manning and R. Nezafat, "A Joint Prospective-Retrospective Respiratory Navigator for Contrast Enhanced Whole-Heart Coronary MRI," Proceedings of the 19th Scientific Meeting of ISMRM, Montreal, Canada, May 2011.

S. Nam, T. A. Basha, M. Akçakaya, C. Stehning, W. J. Manning, V. Tarokh and R. Nezafat, "A GPU Implementation of Compressed Sensing Reconstruction of 3D Radial (Kooshball) Acquisition for High-Resolution Cardiac MRI," Proceedings of the 19th Scientific Meeting of ISMRM, Montreal, Canada, May 2011.

M. Akçakaya, S. Nam, P. Hu, V. Tarokh, W. J. Manning and R. Nezafat, "Compressed Sensing with Transform Domain Dependencies for Coronary MRI," Proceedings of the 18th Scientific Meeting of ISMRM, Stockholm, Sweden, May 2010.

M. Akçakaya, P. Hu, V. Tarokh, W. J. Manning and R. Nezafat, "Non-Contrast Enhanced Pulmonary Vein MRA with Compressed Sensing," Proceedings of the 18th Scientific Meeting of ISMRM, Stockholm, Sweden, May 2010.

M. Hedjazi Moghari*, M. Akçakaya*, A. O'Connor, P. Hu, V. Tarokh, W. J. Manning and R. Nezafat, "CoSMo: Compressed Sensing Motion Correction for Coronary MRI," Proceedings of the 18th Scientific Meeting of ISMRM, Stockholm, Sweden, May 2010 (*: denotes co-first authorship).

S. Nam, M. Akçakaya, P. Hu, W. J. Manning, V. Tarokh and R. Nezafat, "Impact of Coil Sensitivity Estimation on MRI Reconstruction Methods Combining Compressed Sensing and Parallel MRI," Proceedings of the 18th Scientific Meeting of ISMRM, Stockholm, Sweden, May 2010.

M. Akçakaya, S. Nam, M. H. Moghari, P. Hu, W. J. Manning, V. Tarokh and R. Nezafat, "Accelerated Coronary MRI Using Compressed Sensing with Transform Domain Dependencies: A Feasibility Study," Journal of Cardiovascular Magnetic Resonance, 12 (Suppl 1), pp. 107-108, 2010.

M. Akçakaya, J. Park and V. Tarokh, "Low Density Frames for Compressive Sensing," Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, Dallas, Texas, March 2010.

M. Akçakaya and V. Tarokh, "Limits on Noisy Compressive Sampling in Linear and Sublinear Regimes," Proceedings of the Conference on Information Sciences and Systems, Princeton, New Jersey, March 2008 (invited).

M. Akçakaya and V. Tarokh, "On Sparsity, Redundancy and Quality of Frame Representations," Proceedings of the IEEE International Symposium on Information Theory, Nice, France, June 2007.

M. Akçakaya and V. Tarokh, "Performance Study of Various Sparse Representation Methods Using Redundant Frames," Proceedings of the Conference on Information Sciences and Systems, Baltimore, Maryland, March 2007.

N. Mysore, M. Akçakaya, J. Bajcsy and H. Kobayashi, "A New Performance Evaluation Technique for Iteratively Decoded Magnetic Recording Systems," Proceedings of the IEEE International Magnetics Conference, Nagoya, Japan, April 2005.