$dcmtk: dcmcjpls v3.7.1 2026-10-15 $

dcmcjpls: Encode DICOM file to JPEG-LS transfer syntax
usage: dcmcjpls [options] dcmfile-in dcmfile-out

parameters:
  dcmfile-in                    DICOM input filename to be converted
                                ("-" for stdin)
  dcmfile-out                   DICOM output filename
                                ("-" for stdout)

general options:
  -h     --help                 print this help text and exit
         --version              print version information and exit
         --arguments            print expanded command line arguments
  -q     --quiet                quiet mode, print no warnings and errors
  -v     --verbose              verbose mode, print processing details
  -d     --debug                debug mode, print debug information
  -ll    --log-level            [l]evel: string constant
                                (fatal, error, warn, info, debug, trace)
                                use level l for the logger
  -lc    --log-config           [f]ilename: string
                                use config file f for the logger
input options:
  input file format:
    +f   --read-file            read file format or data set (default)
    +fo  --read-file-only       read file format only
    -f   --read-dataset         read data set without file meta information
  input transfer syntax:
    -t=  --read-xfer-auto       use TS recognition (default)
    -td  --read-xfer-detect     ignore TS specified in the file meta header
    -te  --read-xfer-little     read with explicit VR little endian TS
    -tb  --read-xfer-big        read with explicit VR big endian TS
    -ti  --read-xfer-implicit   read with implicit VR little endian TS
JPEG-LS encoding options:
  JPEG-LS process:
    +el  --encode-lossless      encode JPEG-LS lossless (default)
    +en  --encode-nearlossless  encode JPEG-LS TS near-lossless (NEAR: 2)
  JPEG-LS bit rate (near-lossless only):
    +md  --max-deviation        [d]eviation: integer (default: 2)
                                defines maximum deviation for an encoded pixel
  lossless compression:
    +pr  --prefer-raw           prefer raw encoder mode (default)
    +pc  --prefer-cooked        prefer cooked encoder mode
  JPEG-LS compression:
    +t1  --threshold1           [t]hreshhold: integer (default for 8 bpp: 3)
                                set JPEG-LS encoding parameter threshold 1
    +t2  --threshold2           [t]hreshhold: integer (default for 8 bpp: 7)
                                set JPEG-LS encoding parameter threshold 2
    +t3  --threshold3           [t]hreshhold: integer (default for 8 bpp: 21)
                                set JPEG-LS encoding parameter threshold 3
    +rs  --reset                [r]eset: integer (default: 64)
                                set JPEG-LS encoding parameter reset
  JPEG-LS interleave:
    +il  --interleave-line      force line-interleaved JPEG-LS images (default)
    +is  --interleave-sample    force sample-interleaved JPEG-LS images
    +iv  --interleave-default   use the fastest possible interleave mode
  JPEG-LS padding of odd-length bitstreams:
    +ps  --padding-standard     pad with extended EOI marker (default)
    +pz  --padding-zero         pad with zero byte (non-standard)
encapsulated pixel data encoding options:
  pixel data fragmentation:
    +ff  --fragment-per-frame   encode each frame as one fragment (default)
    +fs  --fragment-size        [s]ize: integer
                                limit fragment size to s kbytes
  basic offset table encoding:
    +ot  --offset-table-create  create offset table (default)
    -ot  --offset-table-empty   leave offset table empty
  icon image encoding:
    +ic  --icon-compressed      compress icon images (default)
    +iu  --icon-uncompressed    keep icon images uncompressed
  SOP Class UID:
    +cd  --class-default        keep SOP Class UID (default)
    +cs  --class-sc             convert to Secondary Capture Image
                                (implies --uid-always)
  SOP Instance UID:
    +ud  --uid-default          assign new UID if lossy compression (default)
    +ua  --uid-always           always assign new UID
    +un  --uid-never            never assign new UID
output options:
  post-1993 value representations:
    +u   --enable-new-vr        enable support for new VRs (UN/UT) (default)
    -u   --disable-new-vr       disable support for new VRs, convert to OB
  group length encoding:
    +g=  --group-length-recalc  recalculate group lengths if present (default)
    +g   --group-length-create  always write with group length elements
    -g   --group-length-remove  always write without group length elements
  length encoding in sequences and items:
    +e   --length-explicit      write with explicit lengths (default)
    -e   --length-undefined     write with undefined lengths
  data set trailing padding:
    -p=  --padding-retain       do not change padding (default)
    -p   --padding-off          no padding
    +p   --padding-create       [f]ile-pad [i]tem-pad: integer
                                align file on multiple of f bytes
                                and items on multiple of i byte