JPEG 2000 codestream

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File Format
Name JPEG 2000 codestream
Ontology
Extension(s) .j2k, .j2c
LoCFDD fdd000138

Overview

JPEG2000 codestream (also known as J2K, J2C, or JPEG 2000 Part 1, Core Coding System) is the main compressed image format defined by the JPEG2000 standard. It may appear in a file by itself, or embedded in JP2 or another file format.

It uses a variant of JPEG format, with the same kind of markers and segments. This is unlike the JP2 headers, which use a completely different format.

See JP2 and JPEG2000 for more information.

Identification

Files start with bytes ff 4f ff.

Sample files

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