| 信息技术 – 连续色调静止图像的无损和近无损压缩：扩展 |
本建议书 | 国际标准定义了用于编码连续色调（包括二值），灰度，或彩色数字静态图像的一组无损（位保留）和接近无损（每个重构样本的错误要在一个预设定的值的范围内）压缩方法。本建议书 | 国际标准：- 规定将源图像数据转换成压缩图像数据的过程的扩展（包括算术编码，近无损编码的扩展，预测的扩展和Golomb编码的扩展）；- 规定将压缩图像数据转换成重构的图像数据的过程的扩展，包括用于反色转化的样品转化扩展；- 规定压缩图像数据的编码表现；- 提供如何在实践中实施这些过程的指导。 |
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| Citation: |
https://handle.itu.int/11.1002/1000/5691 |
| Series title: |
T series: Terminals for telematic services
T.850-T.899: Still-image compression – JPEG-1 extensions |
| Approval date: |
2002-03-29 |
| Identical standard: | ISO/IEC 14495-2:2003 (Common) |
| Approval process: | AAP |
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Status: |
In force |
| Observation: | This Recommendation includes an electronic attachment containing the data set used for implementing the JPEG-LS T.870 extension conformance test |
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Maintenance responsibility: |
ITU-T Study Group 21 |
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Further details: |
Patent statement(s)
Development history
Associated test signals
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| Ed. |
ITU-T Recommendation |
Status |
Summary |
Table of Contents |
Download |
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1
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T.870 (03/2002)
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In force
|
here
|
here
|
here
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ITU-T Supplement
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Title
|
Status
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Summary
|
Table of contents
|
Download
|
|
T Suppl. 1 (11/2004)
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Conformance testing requirements for Recommendations of the T.170-series
|
In force
|
here
|
here
|
here
|
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