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    • 1. 发明授权
    • Data content identification
    • 数据内容识别
    • US07899205B2
    • 2011-03-01
    • US10896251
    • 2004-07-21
    • Jason Charles PellyDaniel Warren TapsonMark Julian Russell
    • Jason Charles PellyDaniel Warren TapsonMark Julian Russell
    • G06K9/00
    • G11B20/00086G06T1/005G06T1/0085G06T7/0002G06T2201/0063G06T2201/0065G11B20/00123G11B20/00173G11B2020/10537H04N21/8358
    • A method of detecting a version of input data content, there being a plurality of different versions of said data content, in which: said data content is arranged as two or more segments according to a segmentation pattern; and said versions of said data content are identifiable by corresponding identification data patterns by which at least some of said segments have respective identification data; said method comprising the steps of: (i) detecting said identification data in respect of said segments of said input data content; (ii) comparing said detected identification data with said identification data patterns corresponding to said different versions of said data content; and (iii) detecting that said input data content comprises at least a contribution from a certain version of said data content if a sum of matches obtained between said detected identification data and said identification data pattern for said certain version exceeds a threshold number.
    • 一种检测输入数据内容的版本的方法,存在所述数据内容的多个不同版本,其中:根据分割模式将所述数据内容排列为两个或多个片段; 并且所述数据内容的所述版本可由对应的识别数据模式识别,通过该标识数据模式,所述段中的至少一些具有相应的标识数据; 所述方法包括以下步骤:(i)根据所述输入数据内容的所述段检测所述识别数据; (ii)将所述检测到的识别数据与对应于所述数据内容的所述不同版本的所述识别数据模式进行比较; 以及(iii)如果在所述检测到的识别数据与所述特定版本的所述识别数据模式之间获得的匹配之和超过阈值,则检测所述输入数据内容至少包括来自所述数据内容的特定版本的贡献。
    • 3. 发明申请
    • ENCODING AND DETECTING APPARATUS
    • 编码和检测装置
    • US20100226425A1
    • 2010-09-09
    • US12303338
    • 2007-05-03
    • Stephen Mark KeatingIan McLeanMark Julian RussellDaniel Luke HooperDaniel Warren Tapson
    • Stephen Mark KeatingIan McLeanMark Julian RussellDaniel Luke HooperDaniel Warren Tapson
    • H04N11/02
    • G06T1/0071G06T1/0085
    • An encoding data processor generates a video material item marked copy by representing a payload data word as a code word and embedding the code word into a copy of the video material item. A preprocessor divides the payload word into plural parts, forms plural initial values from the plural parts, each initial value formed by adding parts of the payload data word to each initial value successively starting with the first part added to the first initial value, and adds the first and second to the second initial value so each subsequent initial value includes all parts of the payload data word of the previous initial values and a new part of the payload data word. An encryption processor receives each initial value and generates an encrypted data stream using a payload encryption key. A combiner combines the encrypted payload data word with the video material item.
    • 编码数据处理器通过将有效负载数据字表示为代码字并将代码字嵌入到视频材料项的副本中来生成标记为复制的视频材料项。 预处理器将有效载荷字分成多个部分,从多个部分形成多个初始值,每个初始值通过将有效载荷数据字的部分相加到从添加到第一初始值的第一部分开始的每个初始值而形成,并且添加 第一和第二到第二初始值,因此每个后续初始值包括先前初始值的有效载荷数据字的所有部分和有效载荷数据字的新部分。 加密处理器接收每个初始值并使用有效负载加密密钥生成加密的数据流。 组合器将加密的有效载荷数据字与视频材料项组合。
    • 5. 发明授权
    • Colour correction
    • 颜色校正
    • US07280691B2
    • 2007-10-09
    • US10782549
    • 2004-02-19
    • Mark Julian RussellIan McLean
    • Mark Julian RussellIan McLean
    • G06K9/00
    • H04N1/6005H04N1/6075H04N9/643
    • Digital image processing apparatus for applying pixel-based colour correction to a hue-saturation-based polar representation of pixels of an input image to generate an output image comprises colour correction logic arranged to provide a colour mapping operation defined by a hue alteration amount and a key value associated with each pixel; the colour correction logic comprising: hue modifying logic for adding a proportion of the hue alteration amount to the hue of each pixel of the input image, the proportion depending on the key value associated with that pixel; and saturation modifying logic for modifying the saturation of each pixel in dependence on the hue alteration amount and the key value for that pixel, such that for a key value indicating that only a fraction of the hue alteration amount should be applied to a current pixel, the saturation of that pixel is also modified so that, when expressed with respect to a rectangular chrominance-based colour space, the pixel is moved to a position in that colour space substantially lying on a straight line between the original pixel position and the position that the pixel would occupy if the full hue alteration amount were applied.
    • 用于将基于像素的颜色校正应用于输入图像的像素的基于色相饱和的极性表示以生成输出图像的数字图像处理装置包括颜色校正逻辑,其被布置为提供由色相变化量和 与每个像素相关联的键值; 所述颜色校正逻辑包括:色调修改逻辑,用于将所述色调改变量的一部分添加到所述输入图像的每个像素的色调,所述比例取决于与所述像素相关联的键值; 以及饱和度修正逻辑,用于根据色调改变量和该像素的键值修改每个像素的饱和度,使得对于指示仅将色调改变量的一部分应用于当前像素的键值, 该像素的饱和度也被修改,使得当相对于基于矩形色度的颜色空间表示时,像素被移动到基本上位于原始像素位置和原始像素位置之间的直线上的该颜色空间中的位置, 如果应用了全色调改变量,像素将占用。
    • 6. 发明授权
    • Encoding and detecting apparatus
    • 编码和检测装置
    • US08315877B2
    • 2012-11-20
    • US12274836
    • 2008-11-20
    • Stephen Mark KeatingDaniel Luke HooperMark Julian Russell
    • Stephen Mark KeatingDaniel Luke HooperMark Julian Russell
    • G10L21/00
    • G10L19/018G10L19/008H04L63/0442H04L63/0823
    • An encoding data processing apparatus generates a marked version of an audio signal. The marked copy is generated by embedding data representative of a payload data word into the audio signal. A code word generator that generates a water mark code word from the payload data word and reads data representing the water mark code word into a shuffle data store. A shuffle processor that generates pseudo randomly at least one address within an address space of the shuffle data store for each predetermined period and reads data representing the water mark code word out from the data store at locations identified by the randomly generated address. A data embedding processor that receives the audio signal and embeds the data representing the water mark code word read out from the shuffle data store into the audio signal for each predetermined period.
    • 编码数据处理装置生成音频信号的标记版本。 通过将表示有效载荷数据字的数据嵌入到音频信号中来生成标记副本。 代码字生成器,其从有效载荷数据字生成水印码字,并将表示水印码字的数据读入洗牌数据存储。 一种洗牌处理器,用于在每个预定时段内随机地在随机播放数据存储器的地址空间内产生伪随机的随机数,并且在由随机产生的地址识别的位置处,从数据存储区读出表示水印码字的数据。 一种数据嵌入处理器,用于接收音频信号,并将表示从洗牌数据存储器读出的水印码字的数据嵌入每个预定时段的音频信号中。
    • 7. 发明申请
    • ENCODING AND DETECTING APPARATUS
    • 编码和检测装置
    • US20090185683A1
    • 2009-07-23
    • US12301563
    • 2007-05-03
    • Mark Julian RussellDaniel Luke Hooper
    • Mark Julian RussellDaniel Luke Hooper
    • H04N7/167
    • G06T1/0071G06T1/0085
    • An encoding data processor generates a video material item marked copy by representing a payload data word as a code word embedded into a copy of the video material item. A preprocessor forms plural initial values having the same predetermined length, by representing one or more parts of the payload data word in one or more of the initial values, each including a field index, and setting remaining parts of the initial value to a predetermined value. An encryption processor receives each initial value and generates an encrypted data stream therefrom using a payload encryption key to provide plural encrypted data streams. The parts of the encrypted data streams are combined with frames of the material item. Plural initial values include the same part of the payload data, and a field index value for the initial value including the same payload data is changed with respect to other initial values.
    • 编码数据处理器通过将有效载荷数据字表示为嵌入到视频材料项的副本中的代码字来生成标记为复制的视频材料项。 预处理器通过以一个或多个初始值表示一个或多个初始值中的一个或多个部分来表示具有相同预定长度的多个初始值,每个初始值包括场索引,并将初始值的剩余部分设置为预定值 。 加密处理器接收每个初始值并且使用有效载荷加密密钥从其生成加密数据流以提供多个加密数据流。 加密数据流的部分与物料项目的框架组合。 多个初始值包括有效载荷数据的相同部分,并且包括相同有效载荷数据的初始值的场索引值相对于其他初始值而改变。
    • 8. 发明授权
    • Color correction
    • 颜色校正
    • US07548644B2
    • 2009-06-16
    • US10782683
    • 2004-02-19
    • Mark Julian RussellIan McLean
    • Mark Julian RussellIan McLean
    • G06K9/00G03F3/08H04N9/74
    • H04N1/6075H04N1/62
    • A digital image processing apparatus for applying pixel-based color correction to an input image to generate an output image is described herein. The apparatus includes color correction logic arranged to provide two or more color correction processes. Each color correction process has a respective associated locus in a color space and a respective associated color mapping operation. The color correction processes are arranged as a succession of processes so that the results of a color correction process form the input to a next such process in the succession. Each color correction process is operable to detect whether each pixel lies within the respective locus in color space and, if so, to apply the color mapping operation to that pixel. Each color correction process after the first process in the succession is configured to inhibit color mapping in respect of the loci associated with previous processes in the succession.
    • 这里描述了一种用于将基于像素的颜色校正用于输入图像以产生输出图像的数字图像处理装置。 该装置包括布置成提供两个或更多个颜色校正处理的颜色校正逻辑。 每个颜色校正处理在颜色空间和相应的相关联的颜色映射操作中具有相应的相关联的轨迹。 颜色校正处理被布置为一系列处理,使得颜色校正处理的结果在连续中形成到下一个这样的处理的输入。 每个颜色校正处理可操作以检测每个像素是否位于颜色空间中的相应轨迹内,并且如果是,则将颜色映射操作应用于该像素。 在连续的第一处理之后的每个颜色校正处理被配置为禁止与该继承中的先前处理相关联的轨迹的颜色映射。
    • 10. 发明申请
    • ENCODING AND DETECTING APPARATUS
    • 编码和检测装置
    • US20090150165A1
    • 2009-06-11
    • US12274836
    • 2008-11-20
    • Stephen Mark KEATINGDaniel Luke HooperMark Julian Russell
    • Stephen Mark KEATINGDaniel Luke HooperMark Julian Russell
    • G10L21/00
    • G10L19/018G10L19/008H04L63/0442H04L63/0823
    • An encoding data processing apparatus generates a marked version of an audio signal provided on an audio channel. The marked copy is generated by embedding data representative of a payload data word into the audio signal. The encoding data processing apparatus comprises a code word generator operable to generate a water mark code word from the payload data word and to read data representing the water mark code word into a shuffle data store. A shuffle processor is operable to generate pseudo randomly at least one address within an address space of the shuffle data store for each predetermined period and to read data representing part or parts of the water mark code word out from the data store at locations identified by the randomly generated address, and a data embedding processor operable to receive the audio signal and to embed the data representing the part or parts of the water mark code word read out from the shuffle data store into the audio signal for each predetermined period. In one example, the audio signal is one of a plurality of audio signals, each of which is provided on one of a plurality of audio channels of a media item, and the marked copy is generated by embedding the part or parts of the data representative of a payload data word into the audio signal of one or more of the audio channels. As such, even though different parts of the water mark code word may be embedded into the different audio channels, because of the pseudo-random generation of addresses, there is an increased likelihood that if there is a sufficient of the marked audio signal available, then the water mark code word can be recovered from the different audio channels or one of the audio channels.
    • 编码数据处理装置生成在音频信道上提供的音频信号的标记版本。 通过将表示有效载荷数据字的数据嵌入到音频信号中来生成标记副本。 编码数据处理装置包括码字发生器,其可操作以从有效载荷数据字生成水印码字,并将表示水印码字的数据读入洗牌数据存储。 洗牌处理器可操作以在每个预定时段内在随机播放数据存储器的地址空间内产生伪随机的至少一个地址,并且从数据存储器中识别的位置读取表示水印码字的部分或部分的数据 随机产生的地址,以及数据嵌入处理器,其可操作以接收音频信号,并将表示从洗牌数据存储器读出的水印码字的部分或部分的数据嵌入到每个预定时段的音频信号中。 在一个示例中,音频信号是多个音频信号之一,每个音频信号被提供在媒体项目的多个音频频道中的一个上,并且通过嵌入数据代表的部分或部分来生成标记的副本 的有效载荷数据字转换成一个或多个音频通道的音频信号。 这样,即使水印码字的不同部分可能被嵌入到不同的音频通道中,由于地址的伪随机生成,存在增加的可能性,如果存在足够的标记音频信号可用, 则可以从不同的音频通道或音频通道中的一个恢复水印码字。