Prof. Ali Bilgin Profile

Prof. Ali Bilgin

Assistant Professor at Univ of Arizona

SPIE Involvement:

Author

Publications (30)

Proceedings Article | 2 March 2022 Presentation + Paper

Asymmetric decoder design for efficient convolutional encoder-decoder architectures in medical image reconstruction

Tahsin Rahman, Ali Bilgin, Sergio Cabrera

Proceedings Volume 11952, 1195203 (2022) https://doi.org/10.1117/12.2610084

KEYWORDS: Convolutional neural networks, Magnetic resonance imaging, Convolution, Medical image reconstruction, Spatial resolution, Image quality, Visualization, Brain, Reconstruction algorithms

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Proceedings Article | 27 April 2018 Paper

Deep learning based sparse view x-ray CT reconstruction for checked baggage screening

Sagar Mandava, Amit Ashok, Ali Bilgin

Proceedings Volume 10632, 1063204 (2018) https://doi.org/10.1117/12.2309509

KEYWORDS: Image restoration, CT reconstruction, Image segmentation, Dual energy imaging, X-ray computed tomography, Data modeling, X-rays, Data acquisition, Systems modeling, Reconstruction algorithms

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Proceedings Article | 1 May 2017 Presentation + Paper

Image reconstruction for view-limited x-ray CT in baggage scanning

Sagar Mandava, David Coccarelli, Joel Greenberg, Michael Gehm, Amit Ashok, Ali Bilgin

Proceedings Volume 10187, 101870F (2017) https://doi.org/10.1117/12.2265491

KEYWORDS: Compressed sensing, Image segmentation, Dual energy imaging, Sensors, Data acquisition, Image restoration, X-rays, X-ray computed tomography, Reconstruction algorithms, X-ray imaging, Scanners

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Proceedings Article | 28 September 2016 Presentation + Paper

Visibility thresholds for visually lossy JPEG2000

Feng Liu, Yuzhang Lin, Eze Ahanonu, Michael Marcellin, Amit Ashok, Elizabeth Krupinski, Ali Bilgin

Proceedings Volume 9971, 99711P (2016) https://doi.org/10.1117/12.2238411

KEYWORDS: Visualization, JPEG2000, Image compression, Visual compression, Visibility, Quantization, Wavelets, Chromium, Distortion, Computer programming

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SPIE Journal Paper | 21 July 2016 Open Access

Task-based optimization of flip angle for fibrosis detection in T1-weighted MRI of liver

Jonathan Brand, Lars Furenlid, Maria Altbach, Jean-Phillippe Galons, Achyut Bhattacharyya, Puneet Sharma, Tulshi Bhattacharyya, Ali Bilgin, Diego Martin

JMI, Vol. 3, Issue 03, 035502, (July 2016) https://doi.org/10.1117/12.10.1117/1.JMI.3.3.035502

KEYWORDS: Liver, Magnetic resonance imaging, Biopsy, Tissues, In vivo imaging, Collagen, Matrices, Data modeling, Pathology, Image resolution

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Proceedings Article | 12 May 2016 Paper

Estimation and detection information trade-off for x-ray system optimization

Johnathan Cushing, Eric Clarkson, Sagar Mandava, Ali Bilgin

Proceedings Volume 9847, 98470U (2016) https://doi.org/10.1117/12.2223370

KEYWORDS: Imaging systems, X-rays, Statistical analysis, Multiplexing, Signal to noise ratio, Computing systems, X-ray computed tomography, Associative arrays, Signal detection, Gold

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Proceedings Article | 24 March 2016 Paper

Task-based optimization of flip angle for texture analysis in MRI

Jonathan Brand, Lars Furenlid, Maria Altbach, Jean-Phillippe Galons, Achyut Bhattacharyya, Puneet Sharma, Tulshi Bhattacharyya, Ali Bilgin, Diego Martin

Proceedings Volume 9787, 97870B (2016) https://doi.org/10.1117/12.2214564

KEYWORDS: Liver, Magnetic resonance imaging, Biopsy, Tissues, Collagen, In vivo imaging, Data modeling, Pathology, Image resolution, Statistical analysis

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Proceedings Article | 24 August 2015 Paper

Dictionary learning for compressive parameter mapping in magnetic resonance imaging

Benjamin Berman, Mahesh Keerthivasan, Zhitao Li, Diego Martin, Maria Altbach, Ali Bilgin

Proceedings Volume 9597, 959707 (2015) https://doi.org/10.1117/12.2187088

KEYWORDS: Associative arrays, Data acquisition, Data modeling, Reconstruction algorithms, Magnetic resonance imaging, Brain, Brain mapping, Principal component analysis, In vivo imaging, Compressed sensing

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Proceedings Article | 23 May 2014 Paper

Compressive sensing of direct sequence spread spectrum signals

Feng Liu, Michael Marcellin, Nathan Goodman, Ali Bilgin

Proceedings Volume 9109, 91090A (2014) https://doi.org/10.1117/12.2053370

KEYWORDS: Modulation, Signal to noise ratio, Associative arrays, Compressed sensing, Signal generators, Binary data, Chromium, Structural sensing, Structural design, Computer engineering

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Proceedings Article | 31 May 2013 Paper

Compressive detection of frequency-hopping spread spectrum signals

Feng Liu, Michael Marcellin, Nathan Goodman, Ali Bilgin

Proceedings Volume 8717, 87170P (2013) https://doi.org/10.1117/12.2015969

KEYWORDS: Signal detection, Sensors, Signal to noise ratio, Niobium, Receivers, Scanners, Modulation, Linear filtering, Monte Carlo methods, Interference (communication)

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SPIE Journal Paper | 4 February 2013

Video compressed sensing using iterative self-similarity modeling and residual reconstruction

Yookyung Kim, Han Oh, Ali Bilgin

JEI, Vol. 22, Issue 02, 021005, (February 2013) https://doi.org/10.1117/12.10.1117/1.JEI.22.2.021005

KEYWORDS: Video, Reconstruction algorithms, Video compression, Virtual colonoscopy, Compressed sensing, Signal to noise ratio, Video surveillance, Video processing, Image quality, Electronic filtering

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Proceedings Article | 8 June 2012 Paper

Compressive sensing of frequency-hopping spread spectrum signals

Feng Liu, Yookyung Kim, Nathan Goodman, Amit Ashok, Ali Bilgin

Proceedings Volume 8365, 83650P (2012) https://doi.org/10.1117/12.919561

KEYWORDS: Compressed sensing, Signal to noise ratio, Modulation, Interference (communication), Associative arrays, Switching, Chromium, Frequency shift keying, Receivers, Signal processing

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Proceedings Article | 24 February 2012 Paper

A field map estimation strategy without the noise-bandwidth tradeoff

Joseph Dagher, Ali Bilgin

Proceedings Volume 8314, 831449 (2012) https://doi.org/10.1117/12.911026

KEYWORDS: Magnetism, Statistical analysis, Signal to noise ratio, Data acquisition, Image processing, Image segmentation, Biological research, Magnetic resonance imaging, Spatial frequencies, Brain

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Proceedings Article | 8 September 2010 Paper

Motion-compensated compressed sensing for dynamic imaging

Rajagopalan Sundaresan, Yookyung Kim, Mariappan Nadar, Ali Bilgin

Proceedings Volume 7798, 77980A (2010) https://doi.org/10.1117/12.861113

KEYWORDS: Motion estimation, Magnetic resonance imaging, Heart, Compressed sensing, Detection theory, Lutetium, Image quality, Image resolution, Video coding, Reconstruction algorithms

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Proceedings Article | 15 September 2008 Paper

Parallel magnetic resonance imaging using compressed sensing

Ali Bilgin, Yookyung Kim, Hariharan Lalgudi, Theodore Trouard, Maria Altbach

Proceedings Volume 7073, 70731G (2008) https://doi.org/10.1117/12.797206

KEYWORDS: Magnetic resonance imaging, Photonic integrated circuits, Data acquisition, Receivers, Compressed sensing, Detection theory, In vivo imaging, Fourier transforms, Image restoration, Alternate lighting of surfaces

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Proceedings Article | 15 September 2008 Paper

Scalable low complexity image coder for remote volume visualization

Hariharan Lalgudi, Michael Marcellin, Ali Bilgin, Mariappan Nadar

Proceedings Volume 7073, 707317 (2008) https://doi.org/10.1117/12.794430

KEYWORDS: Image compression, Visualization, Image visualization, JPEG2000, Image transmission, Image quality, Volume rendering, Volume visualization, Visual process modeling, Discrete wavelet transforms

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Proceedings Article | 29 January 2007 Paper

Joint source-channel rate allocation in parallel channels

Lingling Pu, Michael Marcellin, Ivan Djordjevic, Bane Vasic, Ali Bilgin

Proceedings Volume 6508, 65081A (2007) https://doi.org/10.1117/12.702605

KEYWORDS: Radon, Signal to noise ratio, Orthogonal frequency division multiplexing, JPEG2000, Modulation, Systems modeling, Phase only filters, Image transmission, Video, Telecommunications

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Proceedings Article | 29 April 2005 Paper

Four-dimensional compression of fMRI using JPEG2000

Hariharan Lalgudi, Ali Bilgin, Michael Marcellin, Ali Tabesh, Mariappan Nadar, Theodore Trouard

Proceedings Volume 5747, (2005) https://doi.org/10.1117/12.595885

KEYWORDS: Functional magnetic resonance imaging, Image compression, JPEG2000, Statistical analysis, Wavelets, Brain, 3D image processing, Neuroimaging, Analytical research, Medical imaging

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Proceedings Article | 15 April 2005 Paper

Prioritization of compressed data by tissue type using JPEG2000

Karthik Krishnan, Michael Marcellin, Ali Bilgin, Mariappan Nadar

Proceedings Volume 5748, (2005) https://doi.org/10.1117/12.594914

KEYWORDS: JPEG2000, Wavelets, Computer programming, Image compression, Tissues, Discrete wavelet transforms, Bone, Visualization, Medical imaging, Distortion

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Proceedings Article | 15 April 2005 Paper

Compression of multislice CT: 2D vs. 3D JPEG2000 and effects of slice thickness

Eliot Siegel, Khan Siddiqui, Jeffrey Johnson, Olivier Crave, Zhenyu Wu, Joseph Dagher, Ali Bilgin, Michael Marcellin, Mariappan Nadar, Bruce Reiner

Proceedings Volume 5748, (2005) https://doi.org/10.1117/12.596037

KEYWORDS: Image compression, Computed tomography, 3D image processing, Image quality, JPEG2000, Medical imaging, Image quality standards, 3D modeling, Visualization, Diagnostics

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Proceedings Article | 14 March 2005 Paper

Reduced memory multi-layer multi-component rate allocation for JPEG2000

Prajit Kulkarni, Ali Bilgin, Michael Marcellin, Joseph Dagher, Thomas Flohr, Janet Rountree

Proceedings Volume 5685, (2005) https://doi.org/10.1117/12.584776

KEYWORDS: JPEG2000, Image compression, Computer programming, Image processing, Image quality, Wavelet transforms, Wavelets, Remote sensing, Data acquisition, Signal to noise ratio

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Proceedings Article | 19 April 2004 Paper

Compression/decompression strategies for large-volume medical imagery

Karthik Krishnan, Michael Marcellin, Ali Bilgin, Mariappan Nadar

Proceedings Volume 5371, (2004) https://doi.org/10.1117/12.535650

KEYWORDS: Discrete wavelet transforms, JPEG2000, Visualization, Medical imaging, Wavelets, Distortion, Visual compression, Image compression, Data modeling, Data compression

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Proceedings Article | 18 January 2004 Paper

Robust transmission of JPEG2000 codestreams over packet erasure channels

Zhenyu Wu, Ali Bilgin, Lingling Pu, Michael Marcellin

Proceedings Volume 5308, (2004) https://doi.org/10.1117/12.526014

KEYWORDS: JPEG2000, Forward error correction, Data compression, Image segmentation, Image transmission, Image compression, Wavelets, Computer programming, Image quality, Reliability

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Proceedings Article | 7 May 2003 Paper

Transmission of JPEG2000 codestreams over packet erasure channels

Ali Bilgin, Zhenyu Wu, Michael Marcellin

Proceedings Volume 5022, (2003) https://doi.org/10.1117/12.476633

KEYWORDS: JPEG2000, Forward error correction, Distortion, Computer programming, Image quality, Wavelets, Remote sensing, Algorithm development, Automatic repeat request, Image compression

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Proceedings Article | 4 January 2002 Paper

Packetization of JPEG2000 codestreams

Ali Bilgin, Zhenyu Wu, Michael Marcellin

Proceedings Volume 4671, (2002) https://doi.org/10.1117/12.453104

KEYWORDS: JPEG2000, Wavelets, Forward error correction, Automatic repeat request, Computer programming, Remote sensing, Error analysis, Image segmentation, Image quality, Wavelet transforms

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Proceedings Article | 4 January 2002 Paper

Rate control for multisequence video streaming

Joseph Dagher, Ali Bilgin, Michael Marcellin

Proceedings Volume 4671, (2002) https://doi.org/10.1117/12.453060

KEYWORDS: Video, Wavelets, JPEG2000, Video coding, Video compression, Image compression, Wavelet transforms, Computer programming, Multiplexing, Distortion

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Proceedings Article | 7 December 2001 Paper

Efficient rate control for video streaming

Joseph Dagher, Ali Bilgin, Michael Marcellin

Proceedings Volume 4472, (2001) https://doi.org/10.1117/12.449759

KEYWORDS: JPEG2000, Video, Image compression, Video compression, Distortion, Computer programming, Detection and tracking algorithms, Wireless communications, Digital video recorders, Video surveillance

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Proceedings Article | 15 November 2000 Paper

JPEG-2000 compression using 3D wavelets and KLT with application to HYDICE data

James Kasner, Ali Bilgin, Michael Marcellin, Austin Lan, Bernard Brower, Sylvia Shen, Timothy Wilkinson

Proceedings Volume 4132, (2000) https://doi.org/10.1117/12.406584

KEYWORDS: Wavelets, Quantization, Image compression, Standards development, Computer programming, Sensors, Algorithm development, Calibration, Matrices, Signal to noise ratio

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Proceedings Article | 1 October 1998 Paper

Combined compression and denoising of images using vector quantization

Kannan Panchapakesan, Ali Bilgin, David Sheppard, Michael Marcellin, Bobby Hunt

Proceedings Volume 3460, (1998) https://doi.org/10.1117/12.323206

KEYWORDS: Computer programming, Image compression, Denoising, Quantization, Signal to noise ratio, Distortion, Error analysis, Data compression, Image processing, Image analysis

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Proceedings Article | 1 October 1998 Paper

Wavelet TCQ: submission to JPEG-2000

Philip Sementilli, Ali Bilgin, James Kasner, Michael Marcellin

Proceedings Volume 3460, (1998) https://doi.org/10.1117/12.323190

KEYWORDS: Image compression, Wavelets, Computer programming, Standards development, Quantization, Discrete wavelet transforms, Image quality, Image processing, Filtering (signal processing), Visualization

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