i.rectify
Rectifies an image by computing a coordinate transformation for each pixel in the image based on the control points. 
Imagery (i.*)
QgsProcessingParameterMultipleLayers|rasters|Name of raster maps to rectify|3|None|False
QgsProcessingParameterFile|gcp|Ground Control Points file|0|txt|None|False
QgsProcessingParameterEnum|order|Rectification polynomial order|1;2;3|False|0
QgsProcessingParameterNumber|resolution|Target resolution|QgsProcessingParameterNumber.Double|None|True|None|None
QgsProcessingParameterNumber|memory|Amount of memory to use in MB|QgsProcessingParameterNumber.Integer|300|True|1|None
QgsProcessingParameterEnum|method|Interpolation method to use|nearest;linear;cubic;lanczos;linear_f;cubic_f;lanczos_f|False|0
QgsProcessingParameterCrs|crs|Destination CRS|None|False
Hardcoded|extension=rectified
*QgsProcessingParameterBoolean|-t|Use thin plate spline|False
QgsProcessingParameterFolderDestination|output|Output Directory