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Items: 1 to 20 of 33


Image reconstruction in fluorescence molecular tomography with sparsity-initialized maximum-likelihood expectation maximization.

Zhu Y, Jha AK, Wong DF, Rahmim A.

Biomed Opt Express. 2018 Jun 13;9(7):3106-3121. doi: 10.1364/BOE.9.003106. eCollection 2018 Jul 1.


A projection image database to investigate factors affecting image quality in weight-based dosing: application to pediatric renal SPECT.

Li Y, O'Reilly S, Plyku D, Treves ST, Du Y, Fahey F, Cao X, Jha AK, Sgouros G, Bolch WE, Frey EC.

Phys Med Biol. 2018 Jul 9;63(14):145004. doi: 10.1088/1361-6560/aacbf0.


Incorporating reflection boundary conditions in the Neumann series radiative transport equation: application to photon propagation and reconstruction in diffuse optical imaging.

Jha AK, Zhu Y, Arridge S, Wong DF, Rahmim A.

Biomed Opt Express. 2018 Mar 1;9(4):1389-1407. doi: 10.1364/BOE.9.001389. eCollection 2018 Apr 1.


A comparison of resampling schemes for estimating model observer performance with small ensembles.

Elshahaby FEA, Jha AK, Ghaly M, Frey EC.

Phys Med Biol. 2017 Aug 22;62(18):7300-7320. doi: 10.1088/1361-6560/aa807a.


A radiative transfer equation-based image-reconstruction method incorporating boundary conditions for diffuse optical imaging.

Jha AK, Zhu Y, Wong DF, Rahmim A.

Proc SPIE Int Soc Opt Eng. 2017 Feb 11;10137. pii: 1013705. doi: 10.1117/12.2255802. Epub 2017 Mar 13.


No-gold-standard evaluation of image-acquisition methods using patient data.

Jha AK, Frey E.

Proc SPIE Int Soc Opt Eng. 2017 Feb 11;10136. pii: 101360L. doi: 10.1117/12.2255902. Epub 2017 Mar 10.


A three-step reconstruction method for fluorescence molecular tomography based on compressive sensing.

Zhu Y, Jha AK, Dreyer JK, Le HND, Kang JU, Roland PE, Wong DF, Rahmim A.

Proc SPIE Int Soc Opt Eng. 2017 Jan 28;10059. pii: 1005911. doi: 10.1117/12.2252664. Epub 2017 Feb 17.


Listening to membrane potential: photoacoustic voltage-sensitive dye recording.

Zhang HK, Yan P, Kang J, Abou DS, Le HN, Jha AK, Thorek DL, Kang JU, Rahmim A, Wong DF, Boctor EM, Loew LM.

J Biomed Opt. 2017 Apr 1;22(4):45006. doi: 10.1117/1.JBO.22.4.045006.


Generalized PSF modeling for optimized quantitation in PET imaging.

Ashrafinia S, Mohy-Ud-Din H, Karakatsanis NA, Jha AK, Casey ME, Kadrmas DJ, Rahmim A.

Phys Med Biol. 2017 Jun 21;62(12):5149-5179. doi: 10.1088/1361-6560/aa6911. Epub 2017 Mar 24.


Practical no-gold-standard evaluation framework for quantitative imaging methods: application to lesion segmentation in positron emission tomography.

Jha AK, Mena E, Caffo B, Ashrafinia S, Rahmim A, Frey E, Subramaniam RM.

J Med Imaging (Bellingham). 2017 Jan;4(1):011011. doi: 10.1117/1.JMI.4.1.011011. Epub 2017 Mar 3.


Value of Intratumoral Metabolic Heterogeneity and Quantitative 18F-FDG PET/CT Parameters to Predict Prognosis in Patients With HPV-Positive Primary Oropharyngeal Squamous Cell Carcinoma.

Mena E, Taghipour M, Sheikhbahaei S, Jha AK, Rahmim A, Solnes L, Subramaniam RM.

Clin Nucl Med. 2017 May;42(5):e227-e234. doi: 10.1097/RLU.0000000000001578.


Use of Sub-Ensembles and Multi-Template Observers to Evaluate Detection Task Performance for Data That are Not Multivariate Normal.

Li X, Jha AK, Ghaly M, Elshahaby FE, Links JM, Frey EC.

IEEE Trans Med Imaging. 2017 Apr;36(4):917-929. doi: 10.1109/TMI.2016.2643684. Epub 2016 Dec 22.


18F-FDG PET/CT Metabolic Tumor Volume and Intratumoral Heterogeneity in Pancreatic Adenocarcinomas: Impact of Dual-Time Point and Segmentation Methods.

Mena E, Sheikhbahaei S, Taghipour M, Jha AK, Vicente E, Xiao J, Subramaniam RM.

Clin Nucl Med. 2017 Jan;42(1):e16-e21.


Clinical Indications and Impact on Management: Fourth and Subsequent Posttherapy Follow-up 18F-FDG PET/CT Scans in Oncology Patients.

Taghipour M, Marcus C, Sheikhbahaei S, Mena E, Prasad S, Jha AK, Solnes L, Subramaniam RM.

J Nucl Med. 2017 May;58(5):737-743. doi: 10.2967/jnumed.116.183111. Epub 2016 Nov 3.


A no-gold-standard technique for objective assessment of quantitative nuclear-medicine imaging methods.

Jha AK, Caffo B, Frey EC.

Phys Med Biol. 2016 Apr 7;61(7):2780-800. doi: 10.1088/0031-9155/61/7/2780. Epub 2016 Mar 16.


Factors affecting the normality of channel outputs of channelized model observers: an investigation using realistic myocardial perfusion SPECT images.

Elshahaby FE, Ghaly M, Jha AK, Frey EC.

J Med Imaging (Bellingham). 2016 Jan;3(1):015503. doi: 10.1117/1.JMI.3.1.015503. Epub 2016 Jan 28.


A maximum-likelihood method to estimate a single ADC value of lesions using diffusion MRI.

Jha AK, Rodríguez JJ, Stopeck AT.

Magn Reson Med. 2016 Dec;76(6):1919-1931. doi: 10.1002/mrm.26072. Epub 2016 Jan 7.


Impact of the Fano Factor on Position and Energy Estimation in Scintillation Detectors.

Bora V, Barrett HH, Jha AK, Clarkson E.

IEEE Trans Nucl Sci. 2015 Feb;62(1):42-56. doi: 10.1109/TNS.2014.2379620. Epub 2015 Jan 29.


Objective evaluation of reconstruction methods for quantitative SPECT imaging in the absence of ground truth.

Jha AK, Song N, Caffo B, Frey EC.

Proc SPIE Int Soc Opt Eng. 2015 Apr 13;9416:94161K.


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