get.HU {RadOnc} | R Documentation |
Extract Hounsfield Unit (HU) data for one or more structure(s) from a CT image
Description
Function to extract Hounsfield Unit (HU) data for one or more structure(s) from a CT image.
Usage
## S4 method for signature 'RTdata,missing'
get.HU(x, CT, resolution.xyz=NA, resolution.HU=1, method=NULL)
## S4 method for signature 'structure3D,array'
get.HU(x, CT, resolution.xyz=NA, resolution.HU=1, method=NULL)
## S4 method for signature 'structure.list,array'
get.HU(x, CT, resolution.xyz=NA, resolution.HU=1, method=NULL)
Arguments
x |
One of either a |
CT |
Object of class |
resolution.xyz |
A numeric list containing three positive values representing x, y, and z resolution to be used for Hounsfield Unit (HU) interpolation from CT imaging data (specified in units of mm). The smaller each value, the longer the overall calculation time (default is |
resolution.HU |
A positive numeric value specifying the HU calculation interval (bin width) for histogram calculation. |
method |
Character value specifying the Hounsfield Unit (HU) calculation algorithm to employ. Must be |
Value
Returns a single calculated "histogram"
object or a "list"
of "histogram"
objects consisting of Hounsfield Unit values contained within the input "structure3D"
or "structure.list"
, respectively.
Author(s)
Reid F. Thompson (reid.thompson@gmail.com)