1 Version 3.5 Released May 2002
3 * New reconstruction technique: Interpolate divergent beams to
4 parallel beams for faster reconstructions.
6 * Multithreading for running length processes in background. Also
7 takes advantage of multiple-CPU's in SMP systems for speed improvements
8 with parallel processing.
10 * Region of interest can be specified for reconstruction zooming.
12 * Import PNG, PPM, and PGM images
14 * DICOM file import/export
16 * Clipboard for cutting and pasting images
18 * Can read and reconstruct SIEMENS AR.STAR DICOM raw data files
20 * Scattergram of T-Theta sampling. Useful for understanding divergent beam
23 * Startup-tips to help new users learn features.
25 * Ability to place detector at any arbitray position
27 * Histogram plotting of projection files
30 Version 3.0 New Features
32 * Greatly improved dialog boxes
34 * Online and print manuals with context-sensitive help!
36 * 3-d rotating views of image files
38 * Creation of arbitrary filter images
40 * Cubic interpolation for reconstructions
42 * All features of command line tools are now in graphical ctsim program!
44 * Complex-valued image files now supported, lots of image math
45 functions added including Fourier transformations
47 * Visual and statistical image comparision functions
49 * Plotting of row and column data of single and comparison images
51 * Histogram Plotting of Image files.
53 * Conversion of projections to polar images
55 * Improved animation graphics
57 * New Microsoft Windows compatible self-installer with explorer extensions
62 Version 2.5 of CTSim has been released!
64 New Features of CTSim version 2.5:
66 - Now compiles with Microsoft Visual C++.
68 - First Microsoft Windows graphical user interface
70 - Bug fixes and modest documentation and program improvements over version 2.0
74 New Features of CTSim version 2.0:
76 - Entire code-base cleaned up, re-written, and converted from C to C++.
78 - Graphical user interface now included! Animation of projection and
79 reconstruction processes. Displays projection and image files. Uses
80 platform-independent wxWindows library so can run on UNIX and
81 Microsoft Windows platforms.
83 - Integrated G2 library for graphical display from command line tools
86 - Added frequency-based filtering. Can provide significant speed-up
87 in reconstructions compared to convolution-based filtering.
89 - Added highly-optimized backprojection method (idiff3)
91 - New command-line tools added for image statistics and comparisons with
92 both text and graphical outputs.