ISO/IEC 15444-13:2008

Standard
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Norsk tittel: Information technology — JPEG 2000 image coding system: An entry level JPEG 2000 encoder
Engelsk tittel: Information technology — JPEG 2000 image coding system: An entry level JPEG 2000 encoder
Varetype: Standard
Språk: Engelsk
Utgave: 1 (2008-07-23)
Antall sider: 53
Pris:

NOK 2 073,00 (eks. mva)
NOK 2 591,25 (ink. mva)

Omfang: <p>This Recommendation | International Standard was developed by the Joint Photographic Experts Group (JPEG), the joint ISO/I-TU committee responsible for developing standards for continuous-tone still picture coding. It also refers to the Recommendations | International Standards produced by this committee: <std std-id="iso:std:iso-iec:10918:-1:en" type="undated"><std-ref>ITU-T Rec. T.81</std-ref> | <std-ref>ISO/IEC 10918-1</std-ref></std>, <std std-id="iso:std:iso-iec:10918:-2:en" type="undated"><std-ref>ITU-T Rec. T.83</std-ref> | <std-ref>ISO/IEC 10918-2</std-ref></std>, <std std-id="iso:std:iso-iec:10918:-3:en" type="undated"><std-ref>ITU-T Rec. T.84</std-ref> | <std-ref>ISO/IEC 10918-3</std-ref></std> and <std std-id="iso:std:iso-iec:14495:-1:en" type="undated"><std-ref>ITU-T Rec. T.87</std-ref> | <std-ref>ISO/IEC 14495-1</std-ref></std>.</p><sec id="sec_1.1"><label>1.1</label><title>Context</title><p>This Recommendation | International Standard defines a set of lossless (bit-preserving) and lossy compression methods for coding bi-level, continuous-tone greyscale, palletized colour, or continuous-tone colour digital still images. This Recommendation | International Standard:</p><list list-type="bullet"><list-item><label>—</label><p>specifies normative but optional encoding processes for converting source image data to JPEG 2000 compressed image data;</p></list-item><list-item><label>—</label><p>specifies a complete encoding path to produce a conforming codestream as defined in Part 1 <xref ref-type="app" rid="sec_A">Annex A</xref> (<std std-id="iso:std:iso-iec:15444:-1:en" type="undated"><std-ref>ITU-T Rec. T.800</std-ref> | <std-ref>ISO/IEC 15444-1</std-ref></std>);</p></list-item><list-item><label>—</label><p>provides guidance on encoding processes for converting source image data to compressed image data;</p></list-item><list-item><label>—</label><p>provides guidance on how to implement these processes in practice.</p></list-item></list></sec><sec id="sec_1.2"><label>1.2</label><title>Requirements</title><p>This subclause contains a list of requirements for the definitions of an entry-level encoder.</p><p>An entry-level JPEG 2000 encoder implementation (this Recommendation | International Standard):</p><list list-type="bullet"><list-item><label>—</label><p>shall be normative but optional; implementers shall be allowed to select necessary technologies/paths that would suite their application needs;</p></list-item><list-item><label>—</label><p>shall define a JPEG 2000 Part 1 codestream encoder implementation; should define a JP2 file format encoder implementation;</p></list-item><list-item><label>—</label><p>shall define a complete encoding path to produce a conforming codestream as defined in <xref ref-type="app" rid="sec_A">Annex A</xref> of <std std-id="iso:std:iso-iec:15444:-1:ed-2:en" type="dated"><std-ref>ITU-T Rec. T.800</std-ref> | <std-ref>ISO/IEC 15444-1:2004</std-ref></std>;</p></list-item><list-item><label>—</label><p>shall consist of technology with clear IP status being royalty fee-free.</p></list-item></list></sec>
Komité: SN/K 172
Fastsatt: 2008-07-23
ICS: 35.040 - Tegnsett og informasjonskoding
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