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JPEG 2000 (JP2) is an image compression standard and coding system. It was developed from 1997 to 2000 by a Joint Photographic Experts Group committee chaired by Touradj Ebrahimi (later the JPEG president), [1] with the intention of superseding their original JPEG standard (created in 1992), which is based on a discrete cosine transform (DCT), with a newly designed, wavelet-based method.
IrfanView (/ ˈ ɪər f æ n v j uː /) is an image viewer, editor, organiser and converter program for Microsoft Windows. [ 5 ] [ 6 ] [ 7 ] It can also play video and audio files, and has some image creation and painting capabilities.
IrfanView Thumbnails (18 pre-defined sizes from 50×50–800×800 pixels), fullscreen, slideshow, zoom, fit (several options), view IPTC and Exif info, hex view, histogram (also RGB); Format detection with offer to rename, set wallpaper, EXE/SCR creation, Burn slideshow to CD; directory tree
(The non-composite version is a 75 meg jp2, even larger than the composite 25 meg jp2.) Irfanview is a good free program that can handle jp2s and convert to jpg. Calliopejen1 23:09, 25 October 2008 (UTC) I've tried both Irfanview and the jp2 plugin for GIMP and had no success.
AV1 Image File Format (AVIF) is an open, royalty-free image file format specification for storing images or image sequences compressed with AV1 in the HEIF container format. [1] [2] It competes with HEIC, which uses the same container format built upon ISOBMFF, but HEVC for compression.
JP2_FF, JPEG 2000 Part 1 (Core) jp2 File Format; JPX_FF, JPEG 2000 Part 2 (Extensions) jpf File Format; JPM_FF, JPEG 2000 Part 1 (Compound) jpm File Format; JPEG_XL, JPEG XL Image Encoding; JXL, JPEG XL File Format; HEIF, High Efficiency Image File Format. Some internal structures required for HEIF were added into the ISO_BMFF specification in ...
(The non-composite version is a 75 meg jp2, even larger than the composite 25 meg jp2.) Irfanview is a good free program that can handle jp2s and convert to jpg. Calliopejen1 23:09, 25 October 2008 (UTC) I've tried both Irfanview and the jp2 plugin for GIMP and had no success.
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