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1. 发明专利

JP2012059267A Technique for film grain simulation using database of film grain patterns 有权
标题翻译：使用胶片模型的数据库进行胶片模拟的技术
公开(公告)号：JP2012059267A
公开(公告)日：2012-03-22
申请号：JP2011195138
申请日：2011-09-07
申请人： Thomson Licensing , トムソンライセンシングThomson Licensing
发明人： COOPER JEFFREY ALLEN , BOYCE JILL MACDONALD , TOURAPIS ALEXANDROS , GOMILA CRISTINA , LLACH JOAN , YIN PENG
IPC分类号： G06F19/00 , G06T5/00 , H04N5/262 , H04N7/26
CPC分类号： G06T11/00 , G06T5/002 , G06T2207/20021 , G06T2207/20204 , H04N5/262 , H04N19/117 , H04N19/136 , H04N19/176 , H04N19/46 , H04N19/85
摘要： PROBLEM TO BE SOLVED: To provide an efficient film grain simulation technique with which the need for a memory bandwidth and a computation amount is reduced and film grain simulation in a high capacity device such as a set-top box (STB) which regards costs as important is enabled.SOLUTION: Individual pixels in an image block undergo blending with film grain from a film grain block randomly selected from among a pool 18 of previously established film grain blocks in accordance with a luminance characteristic of the image block. Prior to blending, the selected film grain block undergoes deblocking by a deblocking filter 28. Following blending, a clipper 32 clips the individual pixels prior to display. The pool 18 of film grain blocks is created by scaling a set of film grain patterns in accordance with at least one parameter of a film grain information message that accompanies the image block.
摘要翻译：要解决的问题：提供一种有效的薄膜晶粒模拟技术，其中需要减少存储器带宽和计算量的需要，并且在诸如机顶盒（STB）的高容量设备中的薄膜晶粒仿真认为成本是重要的。解决方案：根据图像块的亮度特性，图像块中的各个像素经历与从先前建立的胶片颗粒块的池18中随机选择的胶片颗粒块的胶片颗粒混合。在混合之前，所选择的胶片颗粒块通过去块滤光器28进行去块。在混合之后，剪辑器32在显示之前剪切各个像素。通过根据伴随图像块的胶片颗粒信息消息的至少一个参数缩放一组胶片纹理图案来创建胶片颗粒块的池18。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011211734A Method and apparatus for encoding hybrid intra-inter coded block 审中-公开
标题翻译：用于编码混合内部编码块的方法和装置
公开(公告)号：JP2011211734A
公开(公告)日：2011-10-20
申请号：JP2011115858
申请日：2011-05-24
申请人： Thomson Licensing , トムソンライセンシングThomson Licensing
发明人： TOURAPIS ALEXANDROS , BOYCE JILL MACDONALD , YIN PENG
IPC分类号： H04N7/32 , H04N7/26 , H04N7/36
CPC分类号： H04N19/577 , H04N19/107 , H04N19/109 , H04N19/11 , H04N19/119 , H04N19/136 , H04N19/17 , H04N19/174 , H04N19/176 , H04N19/44 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/82 , H04N19/86 , H04N19/895
摘要： PROBLEM TO BE SOLVED: To enable a combination of both intra-frame prediction and inter-frame prediction for hybrid-encoding a current macro-block or sub-block by a hybrid intra-inter bi-predictive (or multi-predictive) encoding mode.SOLUTION: Bi-prediction may be used also in I-pictures by combining two intra predictions that use two different intra prediction directions. A video encoder processes data representing a two-dimensional video image that has been generated by a conventional commercially available video camera. The vide encoder is adapted to select, for encoding the current macro-block, an intra encoding mode, a P-frame inter encoding mode, a B-frame bi-predictive inter mode, and a hybrid intra-inter bi-predictive encoding mode.
摘要翻译：要解决的问题：为了使得帧内预测和帧间预测的组合能够通过混合帧内双向预测（或多预测）编码模式进行混合编码当前宏块或子块解决方案：通过组合使用两个不同帧内预测方向的两个帧内预测，也可以在I图像中使用双预测。视频编码器处理表示由常规市售摄像机产生的二维视频图像的数据。视频编码器适于选择用于编码当前宏块的帧内编码模式，P帧帧间编码模式，B帧双预测帧间模式和混合帧内双向预测编码模式。

3. 发明专利

JP2012100322A Technique for simulating film grain using frequency filtering 审中-公开
标题翻译：使用频率滤波模拟胶片颗粒的技术
公开(公告)号：JP2012100322A
公开(公告)日：2012-05-24
申请号：JP2011288833
申请日：2011-12-28
申请人： Thomson Licensing , トムソンライセンシングThomson Licensing
发明人： JOAN LATCH , BOYCE JILL MACDONALD , TOURAPIS ALEXANDROS
IPC分类号： H04N7/26 , G06T5/00 , G06T5/20 , G06T11/00 , H04N5/262
CPC分类号： H04N5/262 , G06T5/002 , G06T5/10 , G06T11/001 , G06T2207/20021 , G06T2207/20052 , G06T2207/20204 , H04N19/86
摘要： PROBLEM TO BE SOLVED: To provide simulation of film grain in an image by compressing a video image, then transmitting compressed video together with a message containing at least one parameter indicative of the original film grain, to a decoder, and restoring the original grainy appearance of images by having the decoder simulate film grain based on the content of the film grain message.SOLUTION: One or more parameters of film grain information undergo scaling in accordance with a target pixel block size for pixel blocks in the image, in order o improve efficiency. Such scaling allows for the use of conventional circuitry for performing block-based operations in connection with the film grain simulation.
摘要翻译：要解决的问题：为了通过压缩视频图像来提供图像中的胶片颗粒的模拟，然后将压缩视频与包含指示原始胶片颗粒的至少一个参数的消息一起发送到解码器，并且还原通过使解码器基于胶片信息的内容来模拟胶片颗粒，图像的原始粒状外观。解决方案：胶片颗粒信息的一个或多个参数根据图像中像素块的目标像素块大小进行缩放，以便提高效率。这种缩放允许使用常规电路来执行与胶片颗粒模拟相关的基于块的操作。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2008312266A Video codec with weighted prediction utilizing local brightness variation 有权
标题翻译：具有加权预测的视频编解码器利用本地亮度变化
公开(公告)号：JP2008312266A
公开(公告)日：2008-12-25
申请号：JP2008248441
申请日：2008-09-26
申请人： Thomson Licensing , トムソンライセンシングThomson Licensing
发明人： YIN PENG , BOYCE JILL MACDONALD , TOURAPIS ALEXANDROS
IPC分类号： H04N7/32
CPC分类号： H04N19/189 , H04N19/105 , H04N19/172 , H04N19/176 , H04N19/46 , H04N19/61
摘要： PROBLEM TO BE SOLVED: To provide video encoders, video decoders and corresponding encoding and decoding methods for video data for a picture, wherein the video data has local brightness variation. SOLUTION: The video encoder includes an encoder (200) for intercoding the video data using a localized weighted function to determine weights for the local brightness variation. The weights for the localized weighted function are derived without explicit coding. A method for encoding video data of a picture according to the present invention includes a step of intercoding the video data using a localized weighted function to determine weights for the local brightness variation. The weights for the localized weighted function are derived without explicit coding. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供用于图像的视频数据的视频编码器，视频解码器和相应的编码和解码方法，其中视频数据具有局部亮度变化。解决方案：视频编码器包括编码器（200），用于使用局部加权函数对视频数据进行编码，以确定局部亮度变化的权重。本地加权函数的权重是没有明确编码的。根据本发明的用于编码图像的视频数据的方法包括使用局部加权函数对视频数据进行编码的步骤，以确定局部亮度变化的权重。本地加权函数的权重是没有明确编码的。版权所有（C）2009，JPO＆INPIT

5. 发明申请

WO2005022923A3 METHOD AND APPARATUS FOR MINIMIZING NUMBER OF REFERENCE PICTURES USED FOR INTER-CODING 审中-公开
标题翻译：用于最小化用于互连编码的参考图像的数量的方法和装置
公开(公告)号：WO2005022923A3
公开(公告)日：2005-08-11
申请号：PCT/US2004027432
申请日：2004-08-24
申请人： THOMSON LICENSING SA , TOURAPIS ALEXANDROS , BOYCE JILL MACDONALD
发明人： TOURAPIS ALEXANDROS , BOYCE JILL MACDONALD
IPC分类号： H04N7/36
CPC分类号： H04N19/573 , H04N19/105 , H04N19/172 , H04N19/46 , H04N19/61
摘要： A method (200) for minimizing and optimizing a list of active reference pictures to be used for (forward or backward) inter coding of a current picture, or of a pixel region (e.g., video object) within the current picture. Setting the number of active reference pictures in a list equal to one (294) based upon one or more decisions related to the pixel data and movement between the current picture and one or more reference pictures. Otherwise, minimizing the number of active reference pictures (300) in the list based upon one or more other decisions related to the pixel data and movement between the current picture and one or more reference pictures. Minimizing the number of active reference pictures in a second reference picture list based upon the utilization of reference pictures in the first reference picture list. A video encoder (700) processes data representing a two-dimensional video image which has been produced by a conventional commercially available video camera. The video encoder is adapted to determine, select, and to minimize the number of active reference pictures to be used to inter code a current picture. The bit stream transmitted by the encoder (700) can be decoded by decoders of the related art.
摘要翻译：一种用于最小化和优化用于当前图像或当前图像内的像素区域（例如，视频对象）的（前向或后向）帧间编码的活动参考图像的列表的方法（200）。基于与像素数据相关的一个或多个决定以及当前图片与一个或多个参考图片之间的移动，设置等于一（294）的列表中的活动参考图片的数量。否则，基于与像素数据相关的一个或多个其他决定以及当前图片与一个或多个参考图片之间的移动，使列表中的活动参考图片（300）的数量最小化。基于第一参考图片列表中的参考图片的利用，最小化第二参考图片列表中的活动参考图片的数量。视频编码器（700）处理表示由传统市售摄像机产生的二维视频图像的数据。视频编码器适于确定，选择和最小化要用于对当前图像进行编码的活动参考图像的数量。由编码器（700）发送的比特流可以由相关技术的解码器解码。

6. 发明申请

WO2005032143A9 TECHNIQUE FOR SIMULATING FILM GRAIN USING FREQUENCY FILTERING 审中-公开
标题翻译：使用频率滤波模拟胶片颗粒的技术
公开(公告)号：WO2005032143A9
公开(公告)日：2005-10-13
申请号：PCT/US2004030950
申请日：2004-09-22
申请人： THOMSON LICENSING SA , LLACH JOAN , BOYCE JILL MACDONALD , TOURAPIS ALEXANDROS
发明人： LLACH JOAN , BOYCE JILL MACDONALD , TOURAPIS ALEXANDROS
IPC分类号： G06T5/00 , G06T11/00 , H04N5/262 , H04N7/26
CPC分类号： H04N5/262 , G06T5/002 , G06T5/10 , G06T11/001 , G06T2207/20021 , G06T2207/20052 , G06T2207/20204 , H04N19/86
摘要： Simulation of film grain in an image can occur by compressing a video image, then transmitting compressed video together with a message containing at least one parameter indicative of the original film grain, to a decoder, and restoring the original grainy appearance of images by having the decoder simulating film grain based on the content of the film grain message. To improve efficiency, one or more parameters of film grain information undergo scaling in accordance with a target pixel block size for pixel blocks in the image. Such scaling allows for the use of conventional circuitry for performing block-based operations in connection with the film grain simulation.
摘要翻译：图像中的胶片颗粒的模拟可以通过压缩视频图像，然后将压缩视频与包含至少一个表示原始胶片颗粒的参数的消息一起发送到解码器，并且通过使图像恢复原始的颗粒状外观，基于胶片信息内容的解码器模拟胶片颗粒。为了提高效率，胶片颗粒信息的一个或多个参数根据图像中的像素块的目标像素块尺寸进行缩放。这种缩放允许使用常规电路来执行与胶片颗粒模拟相关的基于块的操作。

7. 发明申请

WO2007092215A8 METHOD AND APPARATUS FOR ADAPTIVE WEIGHT SELECTION FOR MOTION COMPENSATED PREDICTION 审中-公开
标题翻译：自适应选择运动补偿预测的方法和装置
公开(公告)号：WO2007092215A8
公开(公告)日：2008-07-17
申请号：PCT/US2007002563
申请日：2007-01-31
申请人： THOMSON LICENSING , TOURAPIS ALEXANDROS , BOYCE JILL MAC DONALD , YIN PENG
发明人： TOURAPIS ALEXANDROS , BOYCE JILL MAC DONALD , YIN PENG
IPC分类号： H04N7/26
CPC分类号： H04N19/577 , H04N19/105 , H04N19/142 , H04N19/147 , H04N19/159 , H04N19/176 , H04N19/19 , H04N19/51 , H04N19/52 , H04N19/573 , H04N19/61
摘要： There are provided a method and apparatus for adaptive weight selection for motion compensated prediction. The apparatus includes an encoder (100) for encoding a picture by deriving a set of weighting parameters, selecting at least one weighting parameter in the set based upon a selection criteria, and applying the selected at least one weighting parameter to a reference picture used to encode the picture.
摘要翻译：提供了一种用于运动补偿预测的自适应权重选择的方法和装置。该装置包括编码器（100），用于通过导出一组加权参数来对图像进行编码，基于选择标准来选择该组中的至少一个加权参数，以及将所选择的至少一个加权参数应用于用于编码图片。

8. 发明专利

BRPI0706803A2 未知
公开(公告)号：BRPI0706803A2
公开(公告)日：2011-04-05
申请号：BRPI0706803
申请日：2007-01-30
申请人： THOMSON LICENSING
发明人： TOURAPIS ALEXANDROS , BOYCE JILL MACDONALD , YIN PENG
IPC分类号： H04N7/36 , H04N7/26

9. 发明专利

AU2010202973A1 Technique for simulating film grain using frequency filtering 未知
公开(公告)号：AU2010202973A1
公开(公告)日：2010-08-05
申请号：AU2010202973
申请日：2010-07-14
申请人： THOMSON LICENSING
发明人： TOURAPIS ALEXANDROS , BOYCE JILL MACDONALD , LLACH JOAN
IPC分类号： G06T5/00 , G06T11/00 , H04N5/262 , H04N7/26
摘要： Simulation of film grain in an image can occur by compressing a video image, then transmitting compressed video together with a message containing at least one parameter indicative of the original film grain, to a decoder, and restoring the original grainy appearance of images by having the decoder simulating film grain based on the content of the film grain message. To improve efficiency, one or more parameters of film grain information undergo scaling in accordance with a target pixel block size for pixel blocks in the image. Such scaling allows for the use of conventional circuitry for performing block-based operations in connection with the film grain simulation.

10. 发明专利

BRPI0414397A 未知
公开(公告)号：BRPI0414397A
公开(公告)日：2006-11-21
申请号：BRPI0414397
申请日：2004-09-02
申请人： THOMSON LICENSING
发明人： TOURAPIS ALEXANDROS , BOYCE JILL MACDONALD
IPC分类号： H04N7/26
摘要： A video encoder and corresponding method are provided for encoding an input picture or image block using a prediction from a reference-only picture, where the encoder includes a picture buffer for storing a previously coded picture, and a reference processing unit in signal communication with the picture buffer for generating the reference-only picture from a previously coded picture; and the corresponding method includes receiving a substantially uncompressed image block, filtering (714) a previously coded picture to create an adaptive reference, motion compensating the adaptive reference, subtracting the motion compensated adaptive reference from the substantially uncompressed image block, and encoding the difference between the substantially uncompressed image block and the motion compensated adaptive reference. Video decoder and corresponding method are also disclosed.

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