DICOM (DIC) files are commonly used in medical images. LEADTOOLS reads a broad range of DICOM formats, converting them to LEAD-supported bits-per-pixel as necessary. LEADTOOLS writes DICOM files in the LEAD-supported bits-per-pixel. DICOM files can contain many comment fields of varioius types. Use the LFile::ReadComment function to read comments in an existing file. Before writing a file, call the LFileSettings::SetComment function to create an array of comments to be saved in the file.
You can read DICOM files as follows:
Grayscale files in the 1- to 16-bit range are loaded as they are in the original file.
Palettized color files in the 1- to 16-bit range are converted to 8-bit palettized or 24-bit unpalettized. By default, they are converted to 24-bit only if the palette contains more than 256 colors.
Unpalettized color files (RGB, ARGB, or CMYK) with 1 to 16 bits per plane are converted to 24-bit RGB.
Read multipage DICOM files by setting the page number in LOADFILEOPTION.
You can write DICOM files as 8, 12, or 16-bit grayscale, 8-bit palettized color, or 24-bit RGB color (8 bits per plane).
The file constants associated with this file format are:
Constant | Read Support | Write Support | Description |
---|---|---|---|
FILE_DICOM_GRAY | 1 to 16 BPP (Grayscale) | 1 to 16 BPP (Grayscale) | [89] Grayscale DICOM uncompressed. |
FILE_DICOM_COLOR | 8, 24 BPP | 8, 24 BPP | [90] Color DICOM uncompressed. |
FILE_DICOM_RLE_GRAY | 1 to 16 BPP (Grayscale) | 1 to 16 BPP (Grayscale) | [125] Grayscale DICOM RLE compressed. |
FILE_DICOM_RLE_COLOR | 8, 24 BPP | 8, 24 BPP | [126] Color DICOM RLE compressed. |
FILE_DICOM_JPEG_GRAY | 8, 16 BPP (Grayscale) | 8, 16 BPP (Grayscale) | [127] Grayscale DICOM JPEG compressed. |
FILE_DICOM_JPEG_COLOR | 24 BPP | 24 BPP | [128] Color DICOM JPEG compressed. |
FILE_DICOM_J2K_GRAY | 8, 16 BPP (Grayscale) | 8, 16 BPP (Grayscale) | [293] Grayscale DICOM JPEG 2000 compressed. |
FILE_DICOM_J2K_COLOR | 24 BPP | 24 BPP | [294] Color DICOM JPEG 2000 compressed. |
FILE_DICOM_JPEG_LS_GRAY | 8, 16 BPP (Grayscale) | 8, 16 BPP (Grayscale) | [383] Grayscale DICOM JPEG-LS compressed. |
FILE_DICOM_JPEG_LS_COLOR | 24 BPP | 24 BPP | [384] Color DICOM JPEG-LS compressed. |
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