Basic Image Processing
VISTA provides the following commands for performing basic image processing:
Subsections
MERGE: Merge Overlapping Images or Spectra
WINDOW: Window (Crop) an Image to a Smaller Size
ROTATE: Rotate an Image
FLIP: Change the Orientation of an Image
BIN: Compress (bin) an Image or Spectrum
SHIFT: Shift an Image
CLIP: Replace Pixels Outside an Intensity Range
COLFIX: Fix Deferred Charge Columns in a CCD Image
SMOOTH: Smooth an Image or Spectrum
ZAP: Non-Interactive Image Median Filter
TVZAP: Interactively Remove Pixels by Median Filtering
MEDIAN: Compute Median of Several Images
BIGMEDIAN: Compute Median of a Large Number of FITS Images
PICCRS: Optimally Combine Frames with Outlier Rejection
SURFACE: Fit a Plane or Second-Order Surface to an Image
SPLINE: Replace Image or Spectrum by a Cubic Spline Fit
CROSS: Cross-Correlate Images or Spectra
INTERP: Interpolate Across Rows, Columns, or Masked Pixels
REGISTAR: Register Images Using Field Star Positions
DSSCOORD: Compute RA and Dec for Digitized Sky Survey Images
ATODSIM/ATODFIX: Simulate/Fix WF/PC1 A/D Conversion Errors
LINCOMB: Fit a Linear Combination of Images to an Image
BL: Correct an Image for Baseline Subtraction Noise