RAI Labs Duke

Image Quality Measurement Programs

The following is a page of publicly available tools for image quality measurements. This is being made available by the developers for educational or research purposes. For any other use, please contact the developer directly. If this program is reported publicly or in a research publication, the programs must be cited and acknowledged.

 

Program: MTF assessment routine

Purpose: Measures the MTF of a digital radiographic system

Author: Robert Saunders, Ehsan Samei

Institution: Duke University

Links: saundersMTF.zip (105 MB)

 

Program: NPS assessment routine

Purpose: Measures the NPS of a digital radiographic system

Author: Robert Saunders, Ehsan Samei

Institution: Duke University

Links: saundersNPS.zip (105 MB)

 

Program: MTF assessment routine

Purpose: Measures the MTF of a digital radiographic system

Author: Andrew Maidment

Institution: University of PA

Links: maidmentMTF.zip (80 MB)

 

Program: NPS assessment routine and sample images

Purpose: Measures the NPS of a digital radiographic system

Author: Andrew Maidment

Institution: University of PA

Links: NPS program (big endian) (36 MB)
   NPS program (little endian) (36 MB)

 

Program: Example edge, slit, noise images

Purpose: Provides example images for testing MTF and NPS routines

Author: Ehsan Samei

Institution: Duke University

Links:edge and slit images (1.9 MB)
   Example noise images (1.4 MB)

 

Program: Spektr, version 2.0

Purpose: A computational tool for x-ray spectral analysis and imaging system optimization.

Author: Jeff Siewerdsen

Institution: Ontario Cancer Institute, Princess Margaret Hospital, Toronto, Ontario

Reference: Siewerdsen JH, Waese AM, Moseley DJ, Richard S, Jaffray DA., "Spektr: a computational tool for x-ray spectral analysis and imaging system optimization," Med Phys. 2004 31:3057-67.

Links: Spektr_ReleaseNotes_v2_1.pdf (0.5 MB)
   spektr_v2_1.zip (2.6 MB)

 

Program: Uncorrelated surface to surface deformable registration with path length minimization and respiration correlated sample surfaces.

Purpose: A tool for non-linear temporal interpolation and interpolation accuracy measurement.

Author: Robert Jacques

Institution: Johns Hopkins University

Links: ShapeCompare.zip (232 KB)
   ShapeCompareData.zip (28 MB)