OpenRecon

OpenRecon is an open-source software library for image reconstruction.

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Description

OpenRecon provides easy-to-use MATLAB functions for forward projection and reconstruction of images in x-ray computed tomography (CT) and other applications. Internal codes are implemented in C++ for faster execution. The capabilities of OpenRecon are listed in the **FEATURES** section below.

The software library was developed in a collaboration between Virginia Tech, Tsinghua University, and Wake Forest University of Health Sciences.

** DOCUMENTATION: Documentation for using OpenRecon is available at OpenRecons's website: www.imaging.sbes.vt.edu/software/openrecon **

** DEVELOPERS: Code for OpenRecon is managed via Mercurial code versioning system at https://bitbucket.org/bid/openrecon. For forks, clones, and collaboration, head over there.**

OpenRecon Web Site

Features

  • **Scan geometries** -- forward projection and reconstruction in the following modes: Parallel-beam, and Fan-beam (with equispaced detectors). Support for fan-beam geometry (with detectors arranged in an arc) is being added, and will be completed in future releases
  • **Reconstruction algorithms**: Analytic reconstruction (Filtered back-projection), Iterative reconstruction (SART, SIRT, OS-SART)
  • **Image filtering** (used as regularization steps within the iterative reconstruction process): TV-minimization by gradient descent, Soft-threshold filtering
  • Additionally, the projection angles can be spaced in any fashion (i.e. they do not have to be linearly spaced).
  • Can handle center shift (i.e. when the mid-line of the fan-beam is shifted from the center of rotation by a certain amount ) which is especially common in micro-CT and fixed source-detector configurations (e.g. in Xradia MicroXCT and Xradia NanoXCT scanners).
  • 1st open-source software library that supports compressive-sensing based reconstruction algorithms for x-ray computed tomography (including micro- and nano-CT), electron microscopy, and various other applications.

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Additional Project Details

Programming Language

C++, MATLAB

Registered

2012-04-06
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