Cochise County, Office of

2024

Charting quantum horizons to establish a roadmap for microsecond astronomy

Lau, R. M., Ashok, A., Emms, J., Gies, D. R., Guha, S., Hartman, Z., McClinton, B., Monnier, J., Rajagopal, J. K., Richardson, J. G., Ridgway, S. T., Sanchez-Bermudez, J., Schaefer, G., Smith, B. J. & Suleymanzade, A., Jun 2024, In: Nature Astronomy. 8, 6, p. 681-682 2 p.

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Publisher Correction: Charting quantum horizons to establish a roadmap for microarcsecond astronomy (Nature Astronomy, (2024), 8, 6, (681-682), 10.1038/s41550-024-02297-6)

Lau, R. M., Ashok, A., Emms, J., Gies, D. R., Guha, S., Hartman, Z., McClinton, B., Monnier, J., Rajagopal, J. K., Richardson, J. G., Ridgway, S. T., Sanchez-Bermudez, J., Schaefer, G., Smith, B. J. & Suleymanzade, A., Aug 2024, In: Nature Astronomy. 8, 8, p. 1067 1 p.

Research output: Contribution to journal › Comment/debate › peer-review

2023

Classifiers for material discrimination with dual modality X-ray transmission and coherent X-ray diffraction system

Thamvichai, R., Pike, D., Greenberg, J. & Ashok, A., 2023, Anomaly Detection and Imaging with X-Rays (ADIX) VIII. Ashok, A., Greenberg, J. A. & Gehm, M. E. (eds.). SPIE, 1253104. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12531).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Forward and Inverse Models of Event Based Sensors for Target Tracking Tasks

Trzaska, J. & Ashok, A., 2023.

Research output: Contribution to conference › Paper › peer-review

Hybrid Event and Frame-based System for Target Detection, Tracking, and Identification

Schlack, T., Pawlowski, L. & Ashok, A., 2023, Unconventional Imaging, Sensing, and Adaptive Optics 2023. Dolne, J. J., Spencer, M. F. & Bose-Pillai, S. R. (eds.). SPIE, 1269310. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12693).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Optical Contrast Amplification for Enhancing Event-Based Vision

Valencia, S., Cox, J., Ashok, A. & Morley, N., 2023, Unconventional Imaging, Sensing, and Adaptive Optics 2023. Dolne, J. J., Spencer, M. F. & Bose-Pillai, S. R. (eds.). SPIE, 126930Y. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12693).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Quantum-based Super-Resolution Imaging with Multi-Aperture Systems

Deshler, N. & Ashok, A., 2023.

Research output: Contribution to conference › Paper › peer-review

1 Scopus citations

Quantum-Inspired Multi-Parameter Adaptive Bayesian Estimation for Sensing and Imaging

Lee, K. K., Gagatsos, C. N., Guha, S. & Ashok, A., Mar 1 2023, In: IEEE Journal on Selected Topics in Signal Processing. 17, 2, p. 491-501 11 p.

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Reduced spatiotemporal bandwidth of motion stabilized event-based imaging sensors: experimental demonstration

Cox, J. C., Ashok, A. & Morley, N., Jul 2023, In: Applied optics. 62, 21, p. G128-G142

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Simulation and information-theoretic analysis of a hybrid CT+XRD imaging system

Ruiz, S. D., Hurlock, A. X., Yang, S., Martinez, M., Thamvichai, R., Greenberg, J. A., Ashok, A. & Gehm, M. E., 2023, Anomaly Detection and Imaging with X-Rays (ADIX) VIII. Ashok, A., Greenberg, J. A. & Gehm, M. E. (eds.). SPIE, 125310A. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12531).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2022

Bounds on mutual information of mixture data for classification tasks

Ding, Y. & Ashok, A., Jul 2022, In: Journal of the Optical Society of America A: Optics and Image Science, and Vision. 39, 7, p. 1160-1171 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Quantum-limited Optical Super-resolution Imaging of Multiple Point-sources

Lee, K. K., Gagatsos, C., Guha, S. & Ashok, A., 2022, In: Optics InfoBase Conference Papers.

Research output: Contribution to journal › Conference article › peer-review

Robust Adaptive Quantum-Limited Super-Resolution Imaging

Tan, T., Lee, K. K., Ashok, A., Datta, A. & Bash, B. A., 2022, 56th Asilomar Conference on Signals, Systems and Computers, ACSSC 2022. Matthews, M. B. (ed.). IEEE Computer Society, p. 504-508 5 p. (Conference Record - Asilomar Conference on Signals, Systems and Computers; vol. 2022-October).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access

3 Scopus citations

2021

Approaching the quantum limit of sub-diffraction incoherent barcode reading

Grace, M. R., Neifeld, M. A., Ashok, A. & Guha, S., 2021, In: Optics InfoBase Conference Papers. CF4B.1.

Research output: Contribution to journal › Conference article › peer-review

Quantum-inspired optical super-resolution adaptive imaging

Lee, K. K., Guha, S. & Ashok, A., 2021, In: Optics InfoBase Conference Papers. CF4B.2.

Research output: Contribution to journal › Conference article › peer-review

2020

Approaching quantum-limited imaging resolution without prior knowledge of the object location

Grace, M. R., Dutton, Z., Ashok, A. & Guha, S., Aug 1 2020, In: Journal of the Optical Society of America B: Optical Physics. 37, 8, p. 1288-1299 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

42 Scopus citations

Approaching quantum-optimal imaging without prior knowledge of the object location

Grace, M. R., Dutton, Z., Ashok, A. & Guha, S., 2020, In: Optics InfoBase Conference Papers. CTh4C.7.

Research output: Contribution to journal › Conference article › peer-review

Partially coherent object length estimation: Information-theoretic analysis

Lee, K. K. & Ashok, A., 2020, In: Optics InfoBase Conference Papers. CTh4C.3.

Research output: Contribution to journal › Conference article › peer-review

The all-seeing baggage scanner

Greenberg, J. A., Ashok, A. & Gehm, M. E., Jul 2020, In: IEEE Spectrum. 57, 7, p. 22-27 6 p., 9126107.

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Visibility of quantization errors in reversible JPEG2000

Liu, F., Ahanonu, E., Marcellin, M. W., Lin, Y., Ashok, A. & Bilgin, A., May 2020, In: Signal Processing: Image Communication. 84, 115812.

Research output: Contribution to journal › Article › peer-review

Open Access

3 Scopus citations

2019

Passive indirect diffuse imaging

Yang, S., Lee, K. K. & Ashok, A., 2019, Wavelets and Sparsity XVIII. Van De Ville, D., Van De Ville, D., Papadakis, M. & Lu, Y. M. (eds.). SPIE, 111380U. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11138).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access

Pathological image compression for big data image analysis: Application to hotspot detection in breast cancer

Niazi, M. K. K., Lin, Y., Liu, F., Ashok, A., Marcellin, M. W., Tozbikian, G., Gurcan, M. N. & Bilgin, A., Apr 2019, In: Artificial Intelligence in Medicine. 95, p. 82-87 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

14 Scopus citations

Perception-Optimized Encoding for Visually Lossy Image Compression

Lin, Y., Liu, F., Hernandez-Cabronero, M., Ahanonu, E., Marcellin, M., Bilgin, A. & Ashok, A., May 10 2019, Proceedings - DCC 2019: 2019 Data Compression Conference. Storer, J. A., Bilgin, A., Marcellin, M. W. & Serra-Sagrista, J. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 592 1 p. 8712740. (Data Compression Conference Proceedings; vol. 2019-March).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

2018

An information theoretic approach to system optimization accounting for material variability

Coccarelli, D., Greenberg, J. A., Thamvichai, R., Voris, J., Masoudi, A., Ashok, A. & Gehm, M., 2018, Anomaly Detection and Imaging with X-Rays (ADIX) III. Gehm, M. E., Greenberg, J. A., Ashok, A. & Neifeld, M. A. (eds.). SPIE, 106320F. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10632).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

A visual discrimination model for JPEG2000 compression

Liu, F., Lin, Y., Hernandez-Cabronero, M., Ahanonu, E., Marcellin, M., Ashok, A. & Bilgin, A., Jul 19 2018, Proceedings - DCC 2018: 2018 Data Compression Conference. Bilgin, A., Storer, J. A., Serra-Sagrista, J. & Marcellin, M. W. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 424 1 p. (Data Compression Conference Proceedings; vol. 2018-March).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

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

Mandava, S., Ashok, A. & Bilgin, A., 2018, Anomaly Detection and Imaging with X-Rays (ADIX) III. Gehm, M. E., Greenberg, J. A., Ashok, A. & Neifeld, M. A. (eds.). SPIE, 1063204. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10632).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Eavesdropping of display devices by measurement of polarized reflected light

Ding, Y., Kerviche, R., Ashok, A. & Pau, S., Jul 1 2018, In: Applied optics. 57, 19, p. 5483-5491 9 p.

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

2017

Achieving the ultimate limit of two point resolution by computational imaging

Kerviche, R., Guha, S. & Ashok, A., 2017, Computational Optical Sensing and Imaging, COSI 2017. Optica Publishing Group (formerly OSA), (Optics InfoBase Conference Papers; vol. Part F46-COSI 2017).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Creating an experimental testbed for information-theoretic analysis of architectures for x-ray anomaly detection

Coccarelli, D., Greenberg, J. A., Mandava, S., Gong, Q., Huang, L. C., Ashok, A. & Gehm, M. E., 2017, Anomaly Detection and Imaging with X-Rays (ADIX) II. Franco, E. D., Neifeld, M. A., Ashok, A. & Gehm, M. E. (eds.). SPIE, 1018709. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10187).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access

2 Scopus citations

Fundamental limit of resolving two point sources limited by an arbitrary point spread function

Kerviche, R., Guha, S. & Ashok, A., Aug 9 2017, 2017 IEEE International Symposium on Information Theory, ISIT 2017. Institute of Electrical and Electronics Engineers Inc., p. 441-445 5 p. 8006566. (IEEE International Symposium on Information Theory - Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

19 Scopus citations

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

Mandava, S., Coccarelli, D., Greenberg, J. A., Gehm, M. E., Ashok, A. & Bilgin, A., 2017, Anomaly Detection and Imaging with X-Rays (ADIX) II. Franco, E. D., Neifeld, M. A., Ashok, A. & Gehm, M. E. (eds.). SPIE, 101870F. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 10187).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Open Access

1 Scopus citations

Real-time robust direct and indirect photon separation with polarization imaging

Ding, Y., Ashok, A. & Pau, S., Nov 13 2017, In: Optics Express. 25, 23, p. 29432-29453 22 p.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus citations

2016

Capacity of electromagnetic communication modes in a noise-limited optical system

Lee, M., Neifeld, M. A. & Ashok, A., Feb 20 2016, In: Applied optics. 55, 6, p. 1333-1342 10 p.

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Information-theoretic analysis of x-ray scatter and phase architectures for anomaly detection

Coccarelli, D., Gong, Q., Stoian, R. I., Greenberg, J. A., Gehm, M. E., Lin, Y., Huang, L. C. & Ashok, A., 2016, Anomaly Detection and Imaging with X-Rays (ADIX). Gehm, M. E., Ashok, A. & Neifeld, M. A. (eds.). SPIE, 98470B. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9847).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Introduction

Ashok, A., Neifeld, M. A. & Gehm, M. E., 2016, In: Proceedings of SPIE - The International Society for Optical Engineering. 9847, p. xi-xii 984701.

Research output: Contribution to journal › Editorial › peer-review

Open Access

Scalable information-optimal compressive imager: Target recognition task

Kerviche, R. & Ashok, A., Jul 18 2016, Computational Optical Sensing and Imaging, COSI 2016. Optica Publishing Group (formerly OSA), (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Single molecule image formation, reconstruction and processing: Introduction

Ashok, A., Piestun, R. & Stallinga, S., Jul 1 2016, In: Journal of the Optical Society of America A: Optics and Image Science, and Vision. 33, 7, p. SMI1-SMI2

Research output: Contribution to journal › Review article › peer-review

2 Scopus citations

Visibility thresholds for visually lossy JPEG2000

Liu, F., Lin, Y., Ahanonu, E. L., Marcellin, M. W., Ashok, A., Krupinski, E. A. & Bilgin, A., 2016, Applications of Digital Image Processing XXXIX. Tescher, A. G. (ed.). SPIE, 99711P. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9971).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2015

Information optimal Compressive X-ray Threat Detection

Huang, J. & Ashok, A., 2015, In: Optics InfoBase Conference Papers. CTh2E.4.

Research output: Contribution to journal › Conference article › peer-review

Measurement Quantization and Rate Allocation in Compressive Imaging and Image Compression

Lin, Y. & Ashok, A., 2015, In: Optics InfoBase Conference Papers. JT5A.37.

Research output: Contribution to journal › Conference article › peer-review

Need for specific sugar-sweetened beverage lessons for fourth- and fifth-graders

Bea, J. W., Jacobs, L., Waits, J., Hartz, V., Martinez, S. H., Standfast, R. D., Farrell, V. A., Bawden, M., Whitmer, E. & Misner, S., Jan 1 2015, In: Journal of Nutrition Education and Behavior. 47, 1, p. 36-43 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

4 Scopus citations

2014

U.S. Dietary and physical activity guideline knowledge and corresponding behaviors among 4th and 5th grade students: A multi-site pilot study

Bea, J. W., Martinez, S., Armstrong-Florian, T., Farrell, V., Martinez, C., Whitmer, E., Hartz, V., Blake, S., Nicolini, A. & Misner, S., Jun 2014, In: Journal of Extension. 52, 3, # 3RIB3.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

2012

Short-term soil moisture response to low-tech erosion control structures in a semiarid rangeland

Nichols, M. H., McReynolds, K. & Reed, C., Nov 2012, In: Catena. 98, p. 104-109 6 p.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

2008

Building a successful community coalition-university partnership at the Arizona-Sonora border.

Hill, A., de Zapien, J. G., Stewart, R., Whitmer, E., Caruso, Y., Dodge, L., Kirkoff, M., Melo, E. & Staten, L., Sep 2008, In: Progress in community health partnerships : research, education, and action. 2, 3, p. 245-250 6 p.

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

From program to policy: Expanding the role of community coalitions

Hill, A., De Zapien, J. G., Staten, L. K., Jean McClelland, D., Garza, R., Moore-Monroy, M., Elenes, J. J., Steinfelt, V., Tittelbaugh, I., Whitmer, E. & Meister, J. S., 2008, In: Preventing Chronic Disease. 5, 1

Research output: Contribution to journal › Article › peer-review

2007

From program to policy: Expanding the role of community coalitions

Hill, A., De Zapien, J. G., Staten, L. K., Jean McClelland, D., Garza, R., Moore-Monroy, M., Elenes, J. J., Steinfelt, V., Tittelbaugh, I., Whitmer, E. & Meister, J. S., 2007, In: Preventing Chronic Disease. 4, 4

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

2001

Public education, mapping, and early action to control Russian knapweed in Southeastern Arizona

McReynolds, K. H. & Howery, L. D., Apr 2001, In: Journal of Extension. 39, 2

Research output: Contribution to journal › Comment/debate › peer-review

6 Scopus citations

Cochise County, Office of

Research output

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