CN101031972A - 色彩判定元数据生成的方法及设备 - Google Patents
色彩判定元数据生成的方法及设备 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Color Image Communication Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
描述工具集 | 功能性 |
色彩校正 | 描述一个、两个或三个色彩校正器的级联应用。 |
色彩校正器 | 描述单个色彩校正器的规范。色彩校正器的示例类型包括:三个一维查找表三维查找表预先计算的矩阵变换升力增益伽玛函数规范。 |
色彩工具 | 描述色彩成分及其量化。 |
时间同步工具 | 描述媒体时间和时长与胶片边缘代码和胶片长度的同步。 |
结构描述工具(来自MPEG-7) | 描述相对于所应用色彩校正的视频的结构。结构描述包括多媒体内容的空间、时间或时空段。 |
XML术语 | 成分 | 描述 |
ColorDecisionList(色彩判定列表) | 用作描述的根元素。Colordecisionlist(色彩判定列表)将用作描述中的最高元素。它是基于MPEG-7视频段描述符段的元素,并包含MPEG-7视频段DS所提供的所有时间、空间和时空分解 | |
MediaInformation(媒体信息) | 标识附加了这个元数据的视频图片序列的元数据 | |
MediaType(媒体信息) | 经过色彩校正的媒体的类型 | |
Visual Descriptor(可视描述符) | 描述图像和视频的可视特征,例如色彩、纹理、形状和运动等,如MPEG-7中那样 | |
Spatial Decomposition(空间分解) | 图像或图像序列中的空间区域(参见MPEG-7) | |
Temporal Decomposition(时间分解) | 具有图像序列的时间图像段(图像子集)(参见MPEG-7) | |
Spatio TemporalDecomposition(时空分解) | 具有图像序列的运动区域(参见MPEG-7) |
XML术语 | 成分 | 描述 |
ColorCorrectionType(色彩校正类型) | 色彩校正类型定义用于对图像序列进行色彩校正的色彩校正方案。优选地,所执行的色彩校正器操作的数量为三,但可执行或多或少的操作。 | |
ColorCorrector(色彩校正器) | 色彩校正器算子是可由以下所列的后续色彩校正器替代的抽象元素。 | |
ColorFunctionLGG(色彩函数LGG) | 允许指定升力、增益和伽玛的色彩校正器算子。可修改这些属性中的最多三个。 | |
ColorLookUpX(色彩查找X) | 允许指定最多三个一维查找表的色彩校正器算子。一个一维查找表用于一个色彩成分。(X=1,2或3)。一维查找表只是1×N矩阵,其中的N为查找元素的数量。查找元素的数量(N)不涉及输入或输出量化(例如输入或输出色彩的R、G或B的位的数量)。 | |
ColorLookup3D(色彩查找3D) | 色彩校正器算子允许指定三个一维查找表操作,优选地各色彩成分一个,取决于所选色彩空间。三维查找表由四维矩阵表示(L×M×N×3)。前三维(L×M×N)表示各色彩成分(例如R、G、B)的查找元素的数量;第四维表示3个输出色彩成分。 | |
ColorLookUPPrecomputedMatrix(色彩查找预先计算的矩阵) | 彩色校正器算子允许经由九个一维查找表来指定输入RGB值的预先计算的3×3变换。 |
XML术语 | 成分 | 描述 |
ColorCorrectorBaseType(色彩校正器基类型) | 对于具体的色彩校正器,与色彩校正器关联的元数据的一般格式(位于表3中) | |
InputColorSpace(输入色彩空间) | 色彩校正器的输入色彩空间。可用色彩空间的类型优选地如同MPEG-7中那样对于色彩空间数据类型(RGB、YCbCr、HSV、HMMD、参考RGB的线性变换矩阵、单色)来定义 | |
OutputColorSpace(输出色彩空间) | 色彩校正器的输出色彩空间。可用色彩空间的类型优选地如同MPEG-7中那样对于色彩空间数据类型(RGB、YCbCr、HSV、HMMD、参考RGB的线性变换矩阵、单色)来定义 | |
InputColorQuantization(输入色彩量化) | 色彩校正器的输入色彩量化。这个变量指定要量化的色彩成分,从而允许这些成分以任意顺序被量化。各色彩空间的允许色彩成分组合为R、G、B、Y、Cb、Cr、H、S、V和算子Max、Min、Diff及Sum。这个参数基于来自MPEG-7的ColorQuantization(色彩量化)描述符,但是这个参数的值从12位的值扩展到32位。 | |
OutputColorQuantization(输出色彩量化) | 色彩校正器的输出色彩量化。这个变量指定要量化的色彩成分,从而允许这些成分以任意顺序被量化。各色彩空间的允许色彩成分组合为R、G、B、Y、Cb、Cr、H、S、V和算子Max、Min、Diff及Sum。这个参数基于来自MPEG-7的ColorQuantization(色彩量化)描述符,但是这个参数的值从12位的值扩展到32位。 |
Claims (15)
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US61411004P | 2004-09-29 | 2004-09-29 | |
US60/614,110 | 2004-09-29 |
Publications (2)
Publication Number | Publication Date |
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CN101031972A true CN101031972A (zh) | 2007-09-05 |
CN100583282C CN100583282C (zh) | 2010-01-20 |
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CN200580032574A Active CN100583282C (zh) | 2004-09-29 | 2005-09-29 | 色彩判定元数据生成的方法及设备 |
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Country | Link |
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US (1) | US8149338B2 (zh) |
EP (2) | EP1794754B1 (zh) |
JP (2) | JP5599138B2 (zh) |
KR (1) | KR101161045B1 (zh) |
CN (1) | CN100583282C (zh) |
CA (1) | CA2581220C (zh) |
WO (1) | WO2006039357A1 (zh) |
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CN106101483B (zh) * | 2011-05-27 | 2020-01-17 | 杜比实验室特许公司 | 包括变化的元数据等级的用于控制颜色管理的可缩放*** |
US11218709B2 (en) | 2011-05-27 | 2022-01-04 | Dolby Laboratories Licensing Corporation | Scalable systems for controlling color management comprising varying levels of metadata |
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CA2581220A1 (en) | 2006-04-13 |
JP5628350B2 (ja) | 2014-11-19 |
CN100583282C (zh) | 2010-01-20 |
CA2581220C (en) | 2013-04-23 |
KR101161045B1 (ko) | 2012-06-28 |
KR20070063567A (ko) | 2007-06-19 |
EP3660847A1 (en) | 2020-06-03 |
US8149338B2 (en) | 2012-04-03 |
EP1794754B1 (en) | 2020-04-08 |
JP2013070432A (ja) | 2013-04-18 |
JP5599138B2 (ja) | 2014-10-01 |
US20070268411A1 (en) | 2007-11-22 |
WO2006039357A1 (en) | 2006-04-13 |
JP2008515349A (ja) | 2008-05-08 |
EP1794754A1 (en) | 2007-06-13 |
EP3660847B1 (en) | 2022-11-02 |
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