LOADIMAGES Procedure

PROC LOADIMAGES Features

One of the main features of the LOADIMAGES procedure is that it supports loading images and associated metadata from a variety of sources, including these:

  • photographic image files

  • biomedical image files, including those in Digital Imaging and Communications in Medicine (DICOM) format

  • ZIP files that contain photographic images

  • a directory that contains image files or ZIP files

  • a directory that contains one or more series of photographic or biomedical images

  • a directory tree that contains any number of the preceding items in this list

  • URLs

  • lists that contain combinations of the preceding items in this list

Table 1 presents the image formats that PROC LOADIMAGES supports.

Table 1: Image Formats Supported by PROC LOADIMAGES

Format Description File Extensions
Windows bitmap .bmp, .dib
Joint Photographic Experts Group (JPEG) .jpeg, .jpg, .jpe
Portable Network Graphics (PNG) .png
Tagged Image File Format (TIFF) .tiff, .tif
ZIP files of photos .zip
Digital Imaging and Communications in Medicine (DICOM) standard .dcm
Nearly raw raster data (NRRD) .nrrd, .nhdr
Neuroimaging Informatics Technology Initiative (NIfTI) .nii
Analyze .img
MetaImage .mha, .mhd
WebP .webp
Portable image format .pbm, .pgm, .ppm
JPEG 2 .jp2
High Dynamic Range Image .hdr
Pictor Bitmap file .pic


Last updated: March 26, 2026