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1. 发明申请

WO2005057936A1 TECHNIQUE FOR FILM GRAIN SIMULATION USING A DATABASE OF FILM GRAIN PATTERNS 审中-公开
标题翻译：使用胶片模板数据库进行胶片模拟的技术
公开(公告)号：WO2005057936A1
公开(公告)日：2005-06-23
申请号：PCT/US2004/041164
申请日：2004-12-01
申请人： THOMSON LICENSING S.A. , COOPER, Jeffrey, Allen , BOYCE, Jill, MacDonald , TOURAPIS, Alexandros , GOMILA, Cristina , LLACH, Joan , YIN, Peng
发明人： COOPER, Jeffrey, Allen , BOYCE, Jill, MacDonald , TOURAPIS, Alexandros , GOMILA, Cristina , LLACH, Joan , YIN, Peng
IPC分类号： 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： 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 luma 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：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过滤器（28）进行解块。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颗粒图案来产生胶片颗粒块的池（18）。

2. 发明申请

WO2005039189A1 TECHNIQUE FOR BIT-ACCURATE FILM GRAIN SIMULATION 审中-公开
标题翻译：用于精准薄膜晶粒模拟的技术
公开(公告)号：WO2005039189A1
公开(公告)日：2005-04-28
申请号：PCT/US2004/033713
申请日：2004-10-12
申请人： THOMSON LICENSING S.A. , BOYCE, Jill, Mac Donald , GOMILA, Cristina , LLACH, Joan , TOURAPIS, Alexandros , COOPER, Jeffrey, Allen , YIN, Peng
发明人： BOYCE, Jill, Mac Donald , GOMILA, Cristina , LLACH, Joan , TOURAPIS, Alexandros , COOPER, Jeffrey, Allen , YIN, Peng
IPC分类号： H04N7/26
CPC分类号： H04N5/262 , G06T5/002 , G06T5/10 , G06T2207/20021 , G06T2207/20052 , G06T2207/20204 , H04N19/117 , H04N19/136 , H04N19/176 , H04N19/46 , H04N19/61 , H04N19/85
摘要： The simulation of film grain in an image makes use of parameters contained in a Supplemental Enhancement Information (SEI) message that accompanies the image upon transmission. The SEI message specifies film grain simulation parameters such as the film simulation model, the blending mode, and color space.
摘要翻译：图像中的胶片颗粒的模拟利用包含在补充增强信息（SEI）消息中的参数，该信息伴随着传输时的图像。 SEI消息指定胶片模拟参数，如电影模拟模型，混合模式和颜色空间。

3. 发明申请

WO2005039188A1 TECHNIQUE FOR BIT-ACCURATE COMFORT NOISE ADDITION 审中-公开
标题翻译：用于精确舒适的噪音添加技术
公开(公告)号：WO2005039188A1
公开(公告)日：2005-04-28
申请号：PCT/US2004/033712
申请日：2004-10-12
申请人： THOMSON LICENSING S.A. , BOYCE, Jill, Mac Donald , GOMILA, Cristina , LLACH, Joan , TOURAPIS, Alexandros , COOPER, Jeffrey, Allen , YIN, Peng
发明人： BOYCE, Jill, Mac Donald , GOMILA, Cristina , LLACH, Joan , TOURAPIS, Alexandros , COOPER, Jeffrey, Allen , YIN, Peng
IPC分类号： H04N7/26
CPC分类号： H04N5/262 , G06T5/002 , G06T5/10 , G06T2207/20021 , G06T2207/20052 , G06T2207/20204 , H04N19/117 , H04N19/136 , H04N19/176 , H04N19/46 , H04N19/61 , H04N19/85
摘要： The addition of comfort noise to an image serves to hide compression artifacts. To facilitate comfort noise addition, supplemental information accompanying a video image contains at least one parameter that specifies an attribute regarding comfort noise. Typically, the supplemental information includes parameters that function to turn the comfort noise on and off, as well as to indicate the level of noise to add, based on the expected level of compression artifacts.
摘要翻译：向图像添加舒适噪声可以隐藏压缩伪影。为了促进舒适噪声添加，附带视频图像的补充信息包含至少一个指定关于舒适噪声的属性的参数。通常，补充信息包括用于打开和关闭舒适噪声的参数，以及基于预期的压缩伪像水平来指示要添加的噪声的水平。

4. 发明申请

WO2006055430A2 BIT-ACCURATE SEED INITIALIZATION FOR PSEUDO-RANDOM NUMBER GENERATORS USED IN A VIDEO SYSTEM 审中-公开
标题翻译：在视频系统中使用的PSEUDO随机数字发生器的双精度种子初始化
公开(公告)号：WO2006055430A2
公开(公告)日：2006-05-26
申请号：PCT/US2005/040970
申请日：2005-11-14
申请人： THOMSON LICENSING , GOMILA, Cristina , LLACH, Joan , COOPER, Jeffrey Allen , BOYCE, Jill Macdonald
发明人： GOMILA, Cristina , LLACH, Joan , COOPER, Jeffrey Allen , BOYCE, Jill Macdonald
CPC分类号： G06F7/582 , H04N19/46 , H04N19/61 , H04N19/70 , H04N19/85
摘要： There are provided methods and apparatus for bit-accurate seed initialization for pseudo-random number generators used in a video system. A method includes the steps of creating (205) a look-up table of PRNG seeds, and initializing (210) one of the PRNG seeds from the look-up table for a picture by accessing the look-up table using a value corresponding to an order of the picture.
摘要翻译：提供了用于在视频系统中使用的伪随机数发生器的比特精确种子初始化的方法和装置。一种方法包括以下步骤：创建（205）PRNG种子的查找表，以及通过使用对应于...的值访问查找表，从图形的查找表中初始化（210）PRNG种子之一照片的顺序。

5. 发明申请

WO2006055333A2 FILM GRAIN SEI MESSAGE INSERTION FOR BIT-ACCURATE SIMULATION IN A VIDEO SYSTEM 审中-公开
标题翻译：用于视频系统中的精确模拟的电影谷歌信息插入
公开(公告)号：WO2006055333A2
公开(公告)日：2006-05-26
申请号：PCT/US2005/040383
申请日：2005-11-08
申请人： THOMSON LICENSING , LLACH, Joan , GOMILA, Cristina , COOPER, Jeffrey, Allen , BOYCE, Jill, Macdonald
发明人： LLACH, Joan , GOMILA, Cristina , COOPER, Jeffrey, Allen , BOYCE, Jill, Macdonald
IPC分类号： H04N7/26
CPC分类号： G06T5/002 , G06T2207/10016 , G06T2207/20204 , H04N19/117 , H04N19/159 , H04N19/46 , H04N19/85
摘要： There are provided methods and apparatus for film grain SEI message insertion for bit-accurate simulation in a video system. A method for simulating film grain in an ordered sequence includes the steps of providing (305) film grain supplemental information corresponding to a plurality of intra coded pictures, and providing (310) additional film grain supplemental information corresponding to inter coded pictures between consecutive intra coded pictures, in decode order. The inter coded pictures are selected based upon display order.
摘要翻译：提供了用于在视频系统中进行位精确模拟的胶片颗粒SEI消息插入方法和装置。一种用于以有序序列模拟胶片颗粒的方法包括以下步骤：提供（305）与多个帧内编码图像相对应的胶片颗粒补充信息，并且在连续帧内编码之间提供（310）对应于帧间编码图像的附加胶片颗粒补充信息图片，解码顺序。基于显示顺序选择帧间编码图像。

6. 发明申请

WO2005034518A1 METHOD FOR SIMULATING FILM GRAIN BY MOSAICING PRE-COMPUTED SAMPLES 审中-公开
标题翻译：通过预先计算的样品模拟膜片的方法
公开(公告)号：WO2005034518A1
公开(公告)日：2005-04-14
申请号：PCT/US2004/029410
申请日：2004-09-10
申请人： THOMSON LICENSING S.A. , GOMILA, Cristina , LLACH, Joan , BOYCE, Jill, MacDonald
发明人： GOMILA, Cristina , LLACH, Joan , BOYCE, Jill, MacDonald
IPC分类号： H04N7/26
CPC分类号： G06T5/002 , G06T5/10 , G06T2207/20021 , G06T2207/20052 , G06T2207/20204 , H04N19/176 , H04N19/46 , H04N19/61 , H04N19/85 , H04N19/86
摘要： Film grain is simulated in an output image (19) using pre-established blocks of film grain (408) from a pool (408) of pre-established blocks. Successive film grain blocks are selected by matching the average intensity of a block from the pool to the average intensity of a successive one of a set of M x N pixels in an incoming image. Once all of the successive pixel blocks from the image are matched to selected film grain blocks, the selected film grain blocks are "mosaiced", that is composited into a larger image mapped to the incoming image.
摘要翻译：在输出图像（19）中使用来自预先建立的块的池（408）的预先建立的胶片颗粒块（408）来模拟胶片颗粒。通过将来自池的块的平均强度与输入图像中的一组M×N个像素中的连续的一个的平均强度进行匹配来选择连续的胶片颗粒块。一旦来自图像的所有连续像素块与选定的胶片颗粒块相匹配，则所选择的胶片颗粒块被“镶嵌”，其被合成为映射到输入图像的较大图像。

7. 发明申请

WO2005020585A1 VIDEO COMFORT NOISE ADDITION TECHNIQUE 审中-公开
标题翻译：视频舒适噪音添加技术
公开(公告)号：WO2005020585A1
公开(公告)日：2005-03-03
申请号：PCT/US2004/025366
申请日：2004-08-04
申请人： THOMSON LICENSING S.A. , BOYCE, Jill, MacDonald , GOMILA, Cristina , COOPER, Jeffrey, Allen
发明人： BOYCE, Jill, MacDonald , GOMILA, Cristina , COOPER, Jeffrey, Allen
IPC分类号： H04N7/26
CPC分类号： H04N19/90 , H04N19/102 , H04N19/136 , H04N19/44 , H04N19/86
摘要： A decoding arrangement (10, 100, 1000) for decoding pictures in an incoming video stream includes a noise generator (16, 16') for adding a dither signal containing random noise to the pictures after video decoding, to improve the subjective video quality. The noise generator adds noise to each pixel in an amount correlated to additive noise of pixels in a prior picture, either a previously displayed picture (i.e., a previously decoded picture to which noise has been added), or a previously decoded picture.
摘要翻译：用于对输入视频流中的图像进行解码的解码装置（10,100,1000）包括用于在视频解码之后将包含随机噪声的抖动信号添加到图像的噪声发生器（16,16'），以改善主观视频质量。噪声发生器以与先前图像中的像素的附加噪声相关联的量（即，已经被添加了噪声的先前解码的图像）或先前解码的图像来增加每个像素的噪声。

8. 发明申请

WO2005094086A1 ERROR CONCEALMENT TECHNIQUE USING WEIGHTED PREDICTION 审中-公开
标题翻译：使用加权预测的错误隐藏技术
公开(公告)号：WO2005094086A1
公开(公告)日：2005-10-06
申请号：PCT/US2004/006205
申请日：2004-02-27
申请人： THOMSON LICENSING S.A. , YIN, Peng , GOMILA, Cristina , BOYCE, Jill, MacDonald
发明人： YIN, Peng , GOMILA, Cristina , BOYCE, Jill, MacDonald
IPC分类号： H04N7/34
CPC分类号： H04N19/895 , H04N19/142 , H04N19/51
摘要： A decoder (10) conceals errors in a coded image comprised of a stream of macroblocks by examining each macroblock for pixel errors. If such errors exist, then each of at least two macroblocks pictures from each of two different pictures are weighted to yield a weighted prediction (WP) for estimating missing/corrupt values to conceal the macroblock found to have pixel errors.
摘要翻译：解码器（10）通过检查每个宏块的像素误差来隐藏由宏块流组成的编码图像中的错误。如果存在这样的错误，则对两个不同图像中的每一个的至少两个宏块图像中的每一个进行加权，以产生用于估计丢失/损坏值的加权预测（WP），以隐藏发现具有像素误差的宏块。

9. 发明申请

WO2006007309A1 METHOD AND APPARATUS FOR DEBLOCKING OF MOTION COMPENSATED PICTURES 审中-公开
标题翻译：用于消除运动补偿图像的方法和装置
公开(公告)号：WO2006007309A1
公开(公告)日：2006-01-19
申请号：PCT/US2005/020004
申请日：2005-06-07
申请人： THOMSON RESEARCH FUNDING CORPORATION , LLACH, Joan , GOMILA, Cristina , BOYCE, Jill, MacDonald
发明人： LLACH, Joan , GOMILA, Cristina , BOYCE, Jill, MacDonald
IPC分类号： H04N7/26
CPC分类号： H04N19/86 , H04N19/117 , H04N19/139 , H04N19/176 , H04N19/82
摘要： A method and apparatus are provided for processing a sequence of input pictures. The apparatus includes a motion compensator (815) and a deblocking filter (817). The motion compensator is for creating motion compensated reference pictures from the sequence of input pictures. The deblocking filter, in signal communication with the motion compensator, is for performing deblocking operations on the motion compensated reference pictures prior to temporal processing of the motion compensated reference pictures.
摘要翻译：提供了一种用于处理输入图像序列的方法和装置。该装置包括运动补偿器（815）和去块滤波器（817）。运动补偿器用于从输入图像序列创建运动补偿参考图像。与运动补偿器进行信号通信的去块滤波器用于在运动补偿参考图像的时间处理之前对运动补偿参考图像执行去块操作。

10. 发明申请

WO2003094498A2 DEBLOCKING FILTER CONDITIONED ON PIXEL BRIGHTNESS 审中-公开
标题翻译：在像素亮度条件下禁止滤光片
公开(公告)号：WO2003094498A2
公开(公告)日：2003-11-13
申请号：PCT/US2003/011398
申请日：2003-04-14
申请人： THOMSON LICENSING S.A. , GOMILA, Cristina , BOYCE, Jill, MacDonald
发明人： GOMILA, Cristina , BOYCE, Jill, MacDonald
IPC分类号： H04N
CPC分类号： H04N19/86 , H04N19/117 , H04N19/136 , H04N19/154 , H04N19/176 , H04N19/182 , H04N19/61 , H04N19/82
摘要： An encoder (100), decoder (200, 300), and corresponding method (400) are disclosed for encoding pixel data as a plurality of block transform coefficients and decoding encoded block transform coefficients to provide reconstructed pixel data, the encoder and/or decoder includes a conditional deblocking filter (140, 240, 340) for filtering only block transitions meeting pre-selected pixel brightness level criteria, where the conditional deblocking filter method (400) includes receiving (412) at least one first pixel adjacent to a block transition, providing (414) a signal indicative of the brightness of the at least one first pixel, comparing (416, 418) the brightness signal with at least one of an upper brightness threshold and a lower brightness threshold, and conditionally filtering (426) a plurality of adjacent pixels including the first pixel at the block transition in response to the brightness comparison.
摘要翻译：公开了一种编码器（100），解码器（200,300）和相应的方法（400），用于将像素数据编码为多个块变换系数并解码编码的块变换系数以提供重建的像素数据，编码器和/或解码器用于仅滤除满足预先选择的像素亮度等级标准的块转换的条件去块滤波器（140,240,340），其中所述条件去块滤波器方法（400）包括接收（412）与块转换相邻的至少一个第一像素提供（414）指示所述至少一个第一像素的亮度的信号，将所述亮度信号与上亮度阈值和下亮度阈值中的至少一个进行比较（416,418），以及有条件地滤波（426）响应于亮度比较，包括块转换处的第一像素的多个相邻像素。

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