IIQ
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<File:MIMEType>image/x-raw</File:MIMEType> | <File:MIMEType>image/x-raw</File:MIMEType> | ||
Revision as of 14:01, 31 January 2018
IIQ Raw is a proprietary raw image format developed by Phase One. Structurally, an IIQ Raw image is a valid TIFF image. The actual raw image content is embedded in a TIFF MakerNote tag. Readers that cannot process the contents of this MakerNote tag will read a IIQ Raw image as a regular TIFF. However, such readers will only be able to read the TIFF-compatible image data (usually a lower-quality preview).
There are two variations on the format: a lossless IIQ Large format, and an IIQ Small format, which the Phase One website describes as 'not 100% lossless'.
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Identification
Since IIQ Raw is structurally identical to a TIFF, magic-based identification tools like Unix file and Apache Tika identify these files as image/tiff. Exiftool is able to correctly identify the format:
<File:FileType>IIQ</File:FileType>
<File:MIMEType>image/x-raw</File:MIMEType>
Specifications
Software
Sample files
Links
- .TIF vs .IIQ
- RAW and Output File Formats (Phase One website)
- Phase One .IIQ raw files (thread in ExifTool forum)
- IIQ RAW images / generic RAW support (thread in ImageMagick forum)
- Phase One Tags
