Found 1 record for the .JPM file extension name
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file extension JPM - JPEG 2000 jpm file format (common name)
File extension JPM description:
Format developed by the Joint Photographic Experts Group (JPEG) to serve document imaging. JPM files contain layered still images that use JPEG 2000 and other encodings. The format's compositing model is based on the Mixed Raster Content standard (ISO/IEC 16485). The JPM file format inherits features from its parent: JP2_FF, JPEG 2000 Part 1 (Core) jp2 File Format.The JPM standard specifies:
- a binary container for multiple bi-level and continuous-tone images used to represent a compound image
- a mechanism by which multiple images can be combined into a single compound image
- a mechanism for grouping multiple images in a hierarchy of layout objects, pages and page collections
- a mechanism for storing JPEG 2000 and other compressed image data formats
- a mechanism for the inclusion of metadata
The above-named mechanisms employ what is called structural metadata in digital library projects.
The specification describes a Web profile and three decompression profiles (pp. 67-68). The former has a number of constraints, e.g., on compression types and color space. The decompression profiles constrain files to the use of a single compression method: JPEG 2000, JPEG, and JBIG2.
.jpm