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11. 发明申请

US20090110073A1 Enhancement layer residual prediction for bit depth scalability using hierarchical LUTs 有权
标题翻译：使用分层LUT的位深度可扩展性的增强层残差预测
公开(公告)号：US20090110073A1
公开(公告)日：2009-04-30
申请号：US12287784
申请日：2008-10-14
申请人： Yu Wen Wu , Yong Ying Gao
发明人： Yu Wen Wu , Yong Ying Gao
IPC分类号： H04N7/26
CPC分类号： H04N7/50 , H04N19/30 , H04N19/34 , H04N19/36 , H04N19/577 , H04N19/61
摘要： A scalable video bitstream may have an H.264/AVC compatible base layer and a scalable enhancement layer, where scalability refers to color bit-depth. According to the invention, BL information is bit-depth upsampled using separate look-up tables for inverse tone mapping on two or more hierarchy levels, such as picture level, slice level or MB level. The look-up tables are differentially encoded and included in header information. Bit-depth upsampling is a process that increases the number of values that each pixel can have, corresponding to the pixels color intensity. The upsampled base layer data are used to predict the collocated enhancement layer, based on said look-up tables. The upsampling is done at the encoder side and in the same manner at the decoder side, wherein the upsampling may refer to temporal, spatial and bit depth characteristics. Thus, the bit-depth upsampling is compatible with texture upsampling.
摘要翻译：可分级视频比特流可以具有H.264 / AVC兼容的基本层和可伸缩性增强层，其中可伸缩性指的是颜色位深度。根据本发明，使用单独的查找表对BL信息进行比特深度采样，以在诸如图像级别，切片级别或MB级别的两个或更多个层级上进行逆色调映射。查找表被差分编码并包含在标题信息中。位深度上采样是增加每个像素可以具有的值的数量的过程，对应于像素颜色强度。基于所述查找表，上采样基层数据用于预测并置增强层。在编码器侧进行上采样并且以相同的方式在解码器侧完成，其中上采样可以指时间，空间和位深度特性。因此，位深度上采样与纹理上采样兼容。

12. 发明授权

US08537894B2 Methods and apparatus for inter-layer residue prediction for scalable video 有权
标题翻译：可扩展视频的层间残差预测方法和装置
公开(公告)号：US08537894B2
公开(公告)日：2013-09-17
申请号：US12734173
申请日：2008-10-14
申请人： Peng Yin , Jiancong Luo , Yong Ying Gao , Yu Wen Wu
发明人： Peng Yin , Jiancong Luo , Yong Ying Gao , Yu Wen Wu
IPC分类号： H04N7/12 , H04N7/50
CPC分类号： H04N19/59 , H04N19/105 , H04N19/184 , H04N19/186 , H04N19/187 , H04N19/30 , H04N19/46 , H04N19/61 , H04N19/70
摘要： There are provided methods and apparatus for inter-layer residue prediction for scalable video. An apparatus is described for an encoder for encoding a block of a picture, or a decoder for decoding a block of a picture, by applying inverse tone mapping to an inter-layer residue prediction process for the block, wherein the inverse tone mapping is performed in the pixel domain. Methods for encoding or decoding a block of a picture are also described; and performed by applying inverse tone mapping to an inter-layer residue prediction process for the block, wherein the inverse tone mapping is performed in the pixel domain.
摘要翻译：为可伸缩视频提供层间残差预测的方法和装置。描述了一种用于对图像块进行编码的编码器或用于对图像块进行解码的解码器，通过对块的层间残差预测处理应用逆色调映射，其中执行逆色调映射在像素域中。还描述了对图像块进行编码或解码的方法; 并通过对块的层间残差预测处理应用逆色调映射来执行，其中在像素域中执行逆色调映射。

13. 发明授权

US08369422B2 Methods and apparatus for artifact removal for bit depth scalability 有权
标题翻译：用于位深度可扩展性的人为因素去除的方法和装置
公开(公告)号：US08369422B2
公开(公告)日：2013-02-05
申请号：US12734206
申请日：2008-10-14
申请人： Peng Yin , Jiancong Luo , Yong Ying Gao , Yu Wen Wu
发明人： Peng Yin , Jiancong Luo , Yong Ying Gao , Yu Wen Wu
IPC分类号： H04N7/12
CPC分类号： H04N19/36 , H04N19/134 , H04N19/159 , H04N19/176 , H04N19/184 , H04N19/30 , H04N19/46 , H04N19/80 , H04N19/82 , H04N19/86
摘要： Apparatus and methods are described for encoding and decoding image data for image blocks which form a picture by having a deblocking filter remove coding artifacts caused by local inverse tone mapping for intra-layer texture prediction for bit depth-scalability. A deblocking filter is applied at the enhancement layer for bit depth scalability. The deblocking filter is adjusted to remove coding artifacts caused by local inverse tone mapping for intra-layer texture prediction for the bit depth scalability. The boundary strength of the deblocking filter is adjusted based on a threshold that is based on a difference of inverse tone mapping parameters for the block and at least one adjacent block with respect to the block.
摘要翻译：描述了用于对形成图像的图像块的图像数据进行编码和解码的装置和方法，该图像块通过使去块滤波器去除由局部逆色调映射引起的用于位深度可缩放性的层内纹理预测的编码伪像。在增强层处应用去块滤波器用于位深度可扩展性。调整去块滤波器以消除由位深度可缩放性引起的用于层内纹理预测的局部逆色调映射引起的编码伪像。基于基于块的逆色调映射参数与相对于块的至少一个相邻块的差的差的阈值来调整去块滤波器的边界强度。

14. 发明授权

US08295625B2 Method and device for encoding and decoding color enhancement layer for video 有权
标题翻译：用于视频编码和解码颜色增强层的方法和设备
公开(公告)号：US08295625B2
公开(公告)日：2012-10-23
申请号：US12311375
申请日：2006-09-30
申请人： Yong Ying Gao , Yu Wen Wu , Ying Chen
发明人： Yong Ying Gao , Yu Wen Wu , Ying Chen
IPC分类号： G06K9/46
CPC分类号： H04N19/34 , H04N19/122 , H04N19/14 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/33 , H04N19/463
摘要： Enhanced dynamic range requires more than 8 bit representation for single color components of pixels. For this purpose, normal color resolution images and high color resolution images are available. Backward compatibility can be achieved by a layered approach using a color enhancement layer, and a conventional image as color base layer. Both have same spatial and temporal resolution. Encoding of the color enhancement layer uses prediction and residual. A methods for optimized color enhancement prediction is disclosed. Color bit depth prediction is done by constructing a polynomial that approximates for all pixels of one color component of a block the color enhancement layer from the color base layer. A predicted version of the high color resolution image and a residual are generated and updated by a residual. The coefficients are compressed and added as metadata to the data stream.
摘要翻译：增强的动态范围对于像素的单色组件需要超过8位的表示。为此，可以使用正常的颜色分辨率图像和高分辨率图像。可以通过使用颜色增强层和常规图像作为基色层的分层方法来实现向后兼容性。两者具有相同的空间和时间分辨率。颜色增强层的编码使用预测和残差。公开了一种用于优化颜色增强预测的方法。通过构建一个多项式来完成彩色位深度预测，所述多项式近似来自颜色基础层的颜色增强层的块的一个颜色分量的所有像素。通过残差生成和更新高分辨率图像和残差的预测版本。系数被压缩并作为元数据添加到数据流中。

15. 发明申请

US20100111167A1 METHOD AND APPARATUS FOR ENCODING AND/OR DECODING BIT DEPTH SCALABLE VIDEO DATA USING ADAPTIVE ENHANCEMENT LAYER PREDICTION 有权
标题翻译：使用自适应增强层预测编码和/或解码位深度可缩放视频数据的方法和装置
公开(公告)号：US20100111167A1
公开(公告)日：2010-05-06
申请号：US12448153
申请日：2006-12-14
申请人： Yu Wen Wu , Yong Ying Gao
发明人： Yu Wen Wu , Yong Ying Gao
IPC分类号： H04N7/32
CPC分类号： H04N19/34 , H04N19/186 , H04N19/30
摘要： A scalable video bitstream may have an H.264/AVC compatible base layer (BL) and a scalable enhancement layer (EL), where scalability refers to color bit depth. The SVC standard allows spatial inter-layer prediction, wherein a residual in the EL is generated which is then intra coded. Another spatial intra-coding mode for EL is pure intra coding (I_N×N). The invention discloses a new intra-coding mode and two new inter coding modes, particularly for bit depth scalability. The new intra coding mode uses encoding of the residual between upsampled reconstructed BL and original EL, using mode selection. Two possible modes are residual prediction from BL and additional intra-coding of this residual. The new inter coding modes use also prediction of EL from reconstructed BL. In a first inter coding mode, the residual is encoded using Motion Estimation based on this residual. In a second inter coding mode, the residual is encoded using upsampled motion information from the BL.
摘要翻译：可扩展视频比特流可以具有H.264 / AVC兼容基本层（BL）和可伸缩性指的是颜色位深度的可伸缩增强层（EL）。 SVC标准允许空间层间预测，其中生成EL中的残差然后进行帧内编码。 EL的另一个空间帧内编码模式是纯帧内编码（I_N×N）。本发明公开了一种新的帧内编码模式和两种新的帧间编码模式，特别是用于比特深度可扩展性。新的帧内编码模式使用模式选择对上采样的重构BL和原始EL之间的残差进行编码。两种可能的模式是来自BL的剩余预测和该残差的附加帧内编码。新的帧间编码模式还使用来自重建BL的EL的预测。在第一帧间编码模式中，使用基于该残差的运动估计对残差进行编码。在第二帧间编码模式中，使用来自BL的上采样运动信息来编码残差。

16. 发明申请

US20100091840A1 VIDEO ENCODING METHOD AND VIDEO DECODING METHOD FOR ENABLING BIT DEPTH SCALABILITY 审中-公开
标题翻译：视频编码方法和视频解码方法，用于实现位深度可扩展性
公开(公告)号：US20100091840A1
公开(公告)日：2010-04-15
申请号：US12448783
申请日：2007-01-10
申请人： Yong Ying Gao , Yu Wen Wu
发明人： Yong Ying Gao , Yu Wen Wu
IPC分类号： H04N7/26
CPC分类号： H04N19/187 , H04N19/105 , H04N19/30 , H04N19/46 , H04N19/61 , H04N19/70
摘要： The invention presents a scalable solution to encode the whole 12-bit raw video once to generate one bitstream that contains an H.264/AVC compatible base layer and a scalable enhancement layer. If a color bit depth scalable decoder is available at the client end, both the base layer and the enhancement layer sub-bitstreams will be decoded to obtain the 12-bit video and it can be viewed on a high quality display that supports more than eight bit; otherwise only the base layer sub-bitstream is decoded using an H.264/AVC decoder and the decoded 8-bit video can be viewed on a conventional 8-bit display. The enhancement layer contains a residual based on a prediction from the base layer, which is either based on bit-shift or based on an advanced bit depth prediction is utilized, wherein the advanced bit depth prediction method is a Smoothed Histogram method or a Localized Polynomial Approximation method.
摘要翻译：本发明提出了一种可扩展的解决方案，用于对整个12位原始视频进行一次编码，以生成包含H.264 / AVC兼容基本层和可伸缩增强层的一个比特流。如果在客户端可以使用彩色位深度可伸缩解码器，则基础层和增强层子比特流将被解码以获得12位视频，并且可以在支持多于八个的高质量显示器上观看位否则仅使用H.264 / AVC解码器解码基本层子比特流，并且可以在传统的8位显示器上观看解码的8位视频。增强层包含基于来自基本层的预测的残差，其基于位移或基于高级位深度预测，其中高级位深度预测方法是平滑直方图或局部多项式近似法。

17. 发明授权

US08761249B2 Method and apparatus for encoding video color enhancement data, and method and apparatus for decoding video color enhancement data 有权
标题翻译：用于编码视频颜色增强数据的方法和装置，以及用于解码视频颜色增强数据的方法和装置
公开(公告)号：US08761249B2
公开(公告)日：2014-06-24
申请号：US12309335
申请日：2006-07-17
申请人： Yong Ying Gao , Yu Wen Wu , Ying Chen
发明人： Yong Ying Gao , Yu Wen Wu , Ying Chen
IPC分类号： G06F21/00
CPC分类号： G06T5/009 , G06T5/40 , G06T5/50 , G06T2207/10016 , G06T2207/10024 , H04N19/105 , H04N19/14 , H04N19/169 , H04N19/36 , H04N19/46 , H04N19/61
摘要： A highly accurate reproduction of visual intensity and contrast rather than the conventional 8-bit color depth is more and more used, motivating the development of an enhanced dynamic range called high bit-depth. A method for encoding a first, low bit-depth image of M bit RGB pixels and a second, high bit-depth video image of N bit RGB pixels, M
摘要翻译：越来越多地使用高度精确的视觉强度和对比度的再现，而不是常规的8位色彩深度，从而激发了称为高位深度的增强动态范围的发展。一种编码M位RGB像素的第一低位深度图像和具有相同空间分辨率的N位RGB像素M N的第二高位深度视频图像的方法包括：基于第一传输函数在第一和第二视频图像的颜色直方图上，基于第一传递函数产生第二传递函数，将第二传递函数应用于第一视频图像，其中生成经变换的第一视频图像，计算和编码残差，编码第一视频图像并发送编码的第一视频图像，第二传递函数和编码差值。

18. 发明授权

US08428129B2 Method and apparatus for encoding and/or decoding video data using enhancement layer residual prediction for bit depth scalability 有权
标题翻译：使用增强层残差预测来进行比特深度可扩展性编码和/或解码视频数据的方法和装置
公开(公告)号：US08428129B2
公开(公告)日：2013-04-23
申请号：US12448151
申请日：2006-12-14
申请人： Yu Wen Wu , Yong Ying Gao
发明人： Yu Wen Wu , Yong Ying Gao
IPC分类号： H04N7/26 , H04N7/46 , H04N11/02 , H04N11/04
CPC分类号： H04N19/34 , H04N19/186 , H04N19/33
摘要： A scalable video bitstream may have an H.264/AVC compatible base layer and a scalable enhancement layer, where scalability refers to color bit depth. The H.264/AVC scalability extension SVC provides also other types of scalability, e.g. spatial scalability where the number of pixels in BL and EL are different. According to the invention, BL information is upsampled in two logical steps, one being texture upsampling and the other being bit depth upsampling. Texture upsampling is a process that increases the number of pixels, and bit depth upsampling is a process that increases the number of values that each pixel can have, corresponding to the pixels color intensity. The upsampled BL data are used to predict the collocated EL. The BL information is upsampled at the encoder side and in the same manner at the decoder side, wherein the upsampling refers to spatial and bit depth characteristics.
摘要翻译：可分级视频比特流可以具有H.264 / AVC兼容的基本层和可伸缩性增强层，其中可伸缩性指的是色彩位深度。 H.264 / AVC可扩展性扩展SVC还提供其他类型的可扩展性，例如。空间可伸缩性，其中BL和EL中的像素数不同。根据本发明，BL信息在两个逻辑步骤中被上采样，一个是纹理上采样，另一个是位深度上采样。纹理上采样是增加像素数量的过程，位深度上采样是增加每个像素可以具有的值的数量的过程，对应于像素颜色强度。上采样BL数据用于预测并置EL。在编码器侧以相同的方式将BL信息在解码器侧进行上采样，其中上采样是指空间和位深度特性。

19. 发明申请

US20100208810A1 METHOD AND APPARATUS FOR INTER-LAYER RESIDUE PREDICTION FOR SCALABLE VIDEO 有权
标题翻译：用于可分级视频的层间残差预测的方法和装置
公开(公告)号：US20100208810A1
公开(公告)日：2010-08-19
申请号：US12734175
申请日：2008-10-14
申请人： Peng Yin , Jiancong Luo , Yong Ying Gao , Yu Wen Wu
发明人： Peng Yin , Jiancong Luo , Yong Ying Gao , Yu Wen Wu
IPC分类号： H04N7/32
CPC分类号： H04N19/59 , H04N19/105 , H04N19/184 , H04N19/186 , H04N19/187 , H04N19/30 , H04N19/46 , H04N19/61 , H04N19/70
摘要： There are provided methods and apparatus for inter-layer residue prediction for scalable video. An apparatus is described for an encoder for encoding a block of a picture, or a decoder for decoding a block of a picture, by applying inverse tone mapping to an inter-layer residue prediction process for the block, wherein the inverse tone mapping is performed in the pixel domain. Methods for encoding or decoding a block of a picture are also described; and performed by applying inverse tone mapping to an inter-layer residue prediction process for the block, wherein the inverse tone mapping is performed in the pixel domain.
摘要翻译：为可伸缩视频提供层间残差预测的方法和装置。描述了一种用于对图像块进行编码的编码器或用于对图像块进行解码的解码器，通过对块的层间残差预测处理应用逆色调映射，其中执行逆色调映射在像素域中。还描述了对图像块进行编码或解码的方法; 并通过对块的层间残差预测处理应用逆色调映射来执行，其中在像素域中执行逆色调映射。

20. 发明申请

US20090285283A1 Method and apparatus for encoding video color enhancement data, and method and apparatus for decoding video color enhancement data 有权
标题翻译：用于编码视频颜色增强数据的方法和装置，以及用于解码视频颜色增强数据的方法和装置
公开(公告)号：US20090285283A1
公开(公告)日：2009-11-19
申请号：US12309335
申请日：2006-07-17
申请人： Yong Ying Gao , Yu Wen Wu , Ying Chen
发明人： Yong Ying Gao , Yu Wen Wu , Ying Chen
IPC分类号： H04N7/26 , G06K9/36
CPC分类号： G06T5/009 , G06T5/40 , G06T5/50 , G06T2207/10016 , G06T2207/10024 , H04N19/105 , H04N19/14 , H04N19/169 , H04N19/36 , H04N19/46 , H04N19/61
摘要： A highly accurate reproduction of visual intensity and contrast rather than the conventional 8-bit color depth is more and more used, motivating the development of an enhanced dynamic range called high bit-depth. A method for encoding a first, low bit-depth image of M bit RGB pixels and a second, high bit-depth video image of N bit RGB pixels, M
摘要翻译：越来越多地使用高度精确的视觉强度和对比度的再现，而不是常规的8位色彩深度，从而激发了称为高位深度的增强动态范围的发展。一种编码M位RGB像素的第一低位深度图像和具有相同空间分辨率的N位RGB像素M N的第二高位深度视频图像的方法包括：基于第一传输函数在第一和第二视频图像的颜色直方图上，基于第一传递函数产生第二传递函数，将第二传递函数应用于第一视频图像，其中生成经变换的第一视频图像，计算和编码残差，编码第一视频图像并发送编码的第一视频图像，第二传递函数和编码差值。

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