R. P. Johnson - Publications, H-index & Citations

R. P. Johnson

Stanford University

58H指数

179论文数

2.3W被引数

收录论文 75

发表时间

Meeting the detector challenges for pre-clinical proton and ion computed tomography

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2024-05-20

OAAI

Johnson, Robert P.

Comparative accuracy and resolution assessment of two prototype proton computed tomography scanners

MEDICAL PHYSICS

IF3.2

2022-05-05

OAAI

Dedes, George; Drosten, Hubertus; Goetz, Stefanie; Dickmann, Jannis; Sarosiek, Christina; Pankuch, Mark; Krah, Nils; Rit, Simon; Bashkirov, Vladimir; Schulte, Reinhard W.; Johnson, Robert P.; Parodi, Katia; DeJongh, Ethan; Landry, Guillaume

The accuracy of helium ion CT based particle therapy range prediction: an experimental study comparing different particle and x-ray CT modalities

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2021-11-29

OAAI

Volz, L.; Collins-Fekete, C-A; Baer, E.; Brons, S.; Graeff, C.; Johnson, R. P.; Runz, A.; Sarosiek, C.; Schulte, R. W.; Seco, J.

An empirical artifact correction for proton computed tomography

PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS

IF2.7

2021-06-01

PREAI

Dickmann, Jannis; Sarosiek, Christina; Goetz, Stefanie; Pankuch, Mark; Coutrakon, George; Johnson, Robert P.; Schulte, Reinhard W.; Parodi, Katia; Landry, Guillaume; Dedes, George

Particle-Tracking Proton Computed Tomography-Data Acquisition, Preprocessing, and Preconditioning

IEEE ACCESS

IF3.6

2021-01-01

OAAI

Schultze, Blake; Karbasi, Paniz; Sarosiek, Christina; Coutrakon, George; Ordonez, Caesar E.; Karonis, Nicholas T.; Duffin, Kirk L.; Bashkirov, Vladimir A.; Johnson, Robert P.; Schubert, Keith E.; Schulte, Reinhard W.

Proof of concept image artifact reduction by energy-modulated proton computed tomography (EMpCT)

PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS

IF2.7

2021-01-01

PREAI

Dickmann, Jannis; Sarosiek, Christina; Rykalin, Victor; Pankuch, Mark; Coutrakon, George; Johnson, Robert P.; Bashkirov, Vladimir; Schulte, Reinhard W.; Parodi, Katia; Landry, Guillaume; Dedes, George

Measurement of Low-energy Cosmic-Ray Electron and Positron Spectra at 1 au with the AESOP-Lite Spectrometer

ASTROPHYSICAL JOURNAL

IF5.4

2020-10-28

OAAI

Mechbal, Sarah; Mangeard, Pierre-Simon; Clem, John M.; Evenson, Paul A.; Johnson, Robert P.; Lucas, Brian; Roth, James

Experimental realization of dynamic fluence field optimization for proton computed tomography

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2020-09-22

OAAI

Dickmann, J.; Sarosiek, C.; Rykalin, V; Pankuch, M.; Rit, S.; Detrich, N.; Coutrakon, G.; Johnson, R. P.; Schulte, R. W.; Parodi, K.; Landry, G.; Dedes, G.

An optimization algorithm for dose reduction with fluence-modulated proton CT

MEDICAL PHYSICS

IF3.2

2020-03-03

OAAI

Dickmann, J.; Rit, S.; Pankuch, M.; Johnson, R. P.; Schulte, R. W.; Parodi, K.; Dedes, G.; Landry, G.

Experimental comparison of proton CT and dual energy x-ray CT for relative stopping power estimation in proton therapy 质子CT和双能x射线CT在质子治疗中相对阻止功率估计的实验比较

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2019-08-14

OAAI

Dedes, George; Dickmann, Jannis; Niepel, Katharina; Wesp, Philipp; Johnson, Robert P.; Pankuch, Mark; Bashkirov, Vladimir; Rits, Simon; Volz, Lennart; Schulte, Reinhard W.; Landry, Guillaume; Parodi, Katia

Improving single-event proton CT by removing nuclear interaction events within the energy/range detector

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2019-08-01

PREAI

Volz, Lennart; Piersimoni, Pierluigi; Johnson, Robert P.; Bashkirov, Vladimir A.; Schulte, Reinhard W.; Seco, Joao

Prediction of image noise contributions in proton computed tomography and comparison to measurements

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2019-07-16

OAAI

Dickmann, J.; Wesp, P.; Raedler, M.; Rit, S.; Pankuch, M.; Johnson, R. P.; Bashkirov, V; Schulte, R. W.; Parodi, K.; Landry, G.; Dedes, G.

The impact of secondary fragments on the image quality of helium ion imaging

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2018-10-02

OAAI

Volz, Lennart; Piersimoni, Pierluigi; Bashkirov, Vladimir A.; Brons, Stephan; Collins-Fekete, Charles-Antoine; Johnson, Robert P.; Schulte, Reinhard W.; Seco, Joao

Experimental fluence-modulated proton computed tomography by pencil beam scanning 笔形束扫描的实验通量调制质子计算机断层扫描

MEDICAL PHYSICS

IF3.2

2018-06-08

OAAI

Dedes, George; Johnson, Robert P.; Pankuch, Mark; Detrich, Nick; Pols, Willemijn M. A.; Rit, Simon; Schulte, Reinhard W.; Parodi, Katia; Landry, Guillaume

Review of medical radiography and tomography with proton beams

REPORTS ON PROGRESS IN PHYSICS

IF20.7

2017-11-29

122

OAAI

Johnson, Robert P.

Application of fluence field modulation to proton computed tomography for proton therapy imaging

PHYSICS IN MEDICINE AND BIOLOGY

IF3.4

2017-07-12

OAAI

Dedes, G.; De Angelis, L.; Rit, S.; Hansen, D.; Belka, C.; Bashkirov, V.; Johnson, R. P.; Coutrakon, G.; Schubert, K. E.; Schulte, R. W.; Parodi, K.; Landry, G.

Software platform for simulation of a prototype proton CT scanner

MEDICAL PHYSICS

IF3.2

2017-03-17

OAAI

Giacometti, Valentina; Bashkirov, Vladimir A.; Piersimoni, Pierluigi; Guatelli, Susanna; Plautz, Tia E.; Sadrozinski, Hartmut F. -W.; Johnson, Robert P.; Zatserklyaniy, Andriy; Tessonnier, Thomas; Parodi, Katia; Rosenfeld, Anatoly B.; Schulte, Reinhard W.

An evaluation of spatial resolution of a prototype proton CT scanner 原型质子CT扫描仪的空间分辨率评估

MEDICAL PHYSICS

IF3.2

2016-11-02

OAAI

Plautz, Tia E.; Bashkirov, V.; Giacometti, V.; Hurley, R. F.; Johnson, R. P.; Piersimoni, P.; Sadrozinski, H. F. -W.; Schulte, R. W.; Zatserklyaniy, A.

Spatial Resolution Studies in Proton CT Using a Phase-II Prototype Head Scanner

MEDICAL PHYSICS

IF3.2

2016-06-07

PREAI

Plautz, Tia E.; Johnson, R. P.; Sadrozinski, H. F. -W.; Zatserklyaniy, A.; Bashkirov, V.; Hurley, R. F.; Schulte, R. W.; Piersimoni, P.; Giacometti, V.

Novel scintillation detector design and performance for proton radiography and computed tomography

MEDICAL PHYSICS

IF3.2

2016-01-13

OAAI

Bashkirov, V. A.; Schulte, R. W.; Hurley, R. F.; Johnson, R. P.; Sadrozinski, H. F. -W.; Zatserklyaniy, A.; Plautz, T.; Giacometti, V.

研究方向