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1. 发明申请

WO2009034504A2 CRYPTOGRAPHIC PROCESSING OF CONTENT 审中-公开
标题翻译：内容的密码处理
公开(公告)号：WO2009034504A2
公开(公告)日：2009-03-19
申请号：PCT/IB2008/053588
申请日：2008-09-04
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , KATZENBEISSER, Stefan , MICHIELS, Wilhelmus, P., A., J. , GORISSEN, Paulus, M., H., M., A. , LEMMA, Aweke, N. , CELIK, Mehmet, U
发明人： KATZENBEISSER, Stefan , MICHIELS, Wilhelmus, P., A., J. , GORISSEN, Paulus, M., H., M., A. , LEMMA, Aweke, N. , CELIK, Mehmet, U
IPC分类号： H04L9/32
CPC分类号： G06F21/10 , G06F2221/0733 , H04L9/002 , H04L9/0618 , H04L2209/16 , H04L2209/608
摘要： A system (500) for cryptographic processing of content comprises an input (502) for receiving the content (566). A plurality of look-up tables (504) represents a white- box implementation of a combined cryptographic and watermarking operation (460). The look-up tables represent processing steps of the combined cryptographic and watermarking operation and the look-up tables being arranged for being applied according to a predetermined look-up scheme. The look-up scheme prescribes that an output of a first look¬ up table of the plurality of look-up tables be used to generate an input of a second look-up table of the plurality of look-up tables. The combined cryptographic and watermarking operation comprises a cryptographic operation and a watermarking operation. A control module (512) looks up values in the plurality of look-up tables in dependence on the received content and in accordance to the look-up scheme, thereby applying the combined cryptographic and watermarking operation to the content.
摘要翻译：用于内容的密码处理的系统（500）包括用于接收内容（566）的输入（502）。多个查找表（504）表示组合的密码和水印操作（460）的白盒实现。查找表表示组合的密码和水印操作的处理步骤，并且查找表被布置为根据预定的查找方案来应用。查找方案规定第一次看的输出＆不是; 使用多个查找表的查找表来生成多个查找表的第二查找表的输入。组合的密码和水印操作包括密码操作和水印操作。控制模块（512）根据接收的内容并根据查找方案在多个查找表中查找值，由此将组合的密码和水印操作应用于内容。

2. 发明申请

WO2007072372A3 EFFICIENT SECURE FORENSIC WATERMARKING 审中-公开
标题翻译：有效的安全威信水印
公开(公告)号：WO2007072372A3
公开(公告)日：2007-11-15
申请号：PCT/IB2006054881
申请日：2006-12-15
申请人： KONINKL PHILIPS ELECTRONICS NV , STARING ANTONIUS A M , LEMMA AWEKE N , VAN DER VEEN MINNE
发明人： STARING ANTONIUS A M , LEMMA AWEKE N , VAN DER VEEN MINNE
IPC分类号： G11B20/00 , G06F21/16 , G06T1/00 , H04N5/913 , H04N7/16
CPC分类号： G11B20/00086 , G06F21/16 , G06T1/0071 , G06T2201/0063 , G06T2201/0064 , G11B20/00884 , H04N5/765 , H04N5/85 , H04N5/913 , H04N21/2541 , H04N21/4627 , H04N21/8358 , H04N2005/91335 , H04N2201/323
摘要： The invention relates to a watermark generation method for generating watermarks to be embedded in digital media, where said watermark is generated by combining at least two watermark patterns from a set of watermark patterns. The set of watermark patterns are divided into at least two subsets of watermark patterns, and the subsets are hierarchically related and the watermark patterns in said watermark are directly related watermark patterns. Directly related means that the watermark patterns are related like parent and child in a hierarchical structure e.g. a tree structure. Further, the invention relates to an apparatus adapted to generate watermarks to be embedded in media.
摘要翻译：本发明涉及一种用于产生嵌入在数字媒体中的水印的水印产生方法，其中通过从一组水印图案中组合至少两个水印图案来产生所述水印。所述水印图案集合被划分为至少两个水印图案子集，并且所述子集是分层相关的，并且所述水印中的水印图案是直接相关的水印图案。直接相关意味着水印图案与分层结构中的父和子相关联，例如树结构。此外，本发明涉及适于产生要嵌入媒体的水印的装置。

3. 发明申请

WO2007036824A3 METHOD AND APPARATUS FOR PROCESSING AUDIO FOR PLAYBACK 审中-公开
标题翻译：处理用于播放音频的方法和设备
公开(公告)号：WO2007036824A3
公开(公告)日：2007-07-19
申请号：PCT/IB2006053230
申请日：2006-09-12
申请人： KONINKL PHILIPS ELECTRONICS NV , PAUWS STEFFEN C , VIGNOLI FABIO , LEMMA AWEKE N
发明人： PAUWS STEFFEN C , VIGNOLI FABIO , LEMMA AWEKE N
IPC分类号： G11B27/038 , G11B27/02
CPC分类号： G11B27/038 , G11B27/034
摘要： A method and apparatus for processing audio for playback to provide a smooth transition between a beginning region of an audio track and an end region of a previous audio track is disclosed. A quantity representative of a chromagram is calculated for each of the audio tracks and the mixing points for the beginning and end regions of each audio track are identified. A quantity representative of a chromagram at the mixing point of the beginning region of the audio track and a quantity representative of a chromagram at the mixing point of the end region of the previous audio track are correlated to determine an order of audio tracks for playback and/or to determine the duration of the mix transition.
摘要翻译：公开了一种处理用于回放的音频以提供音频轨道的开始区域和先前音频轨道的结束区域之间的平滑过渡的方法和设备。为每个音频轨道计算代表色度图的数量，并且识别每个音频轨道的开始和结束区域的混合点。表示音频轨道的开始区域的混合点处的色度图的数量与表示前一音频轨道的结束区域的混合点处的色度图的数量相关联以确定用于回放的音轨的次序以及 /或确定混合转换的持续时间。

4. 发明申请

WO2007072394A2 AUDIO STRUCTURE ANALYSIS 审中-公开
标题翻译：音频结构分析
公开(公告)号：WO2007072394A2
公开(公告)日：2007-06-28
申请号：PCT/IB2006/054915
申请日：2006-12-18
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , LEMMA, Aweke, N.
发明人： LEMMA, Aweke, N.
CPC分类号： G10H1/40 , G10H2210/076 , G10H2220/081 , G10H2250/135 , G10L25/48
摘要： A device (1) for determining accented beats in a music signal (x[n]) comprises: energy determination means (12) for determining the energy (E[n]; E[k]) of the music signal (x[n]), - segmentation means (15) for segmenting the energy on the basis of a tempo estimate (T), similarity determination means (17) for determining the similarity between the energy (E[n]; E[k]) of segments, and selecting means (18) for selecting the segment having the smallest similarity as the segment containing an accented beat. The tempo estimate (T) may be determined by external means. The energy may be determined in the time domain or in a transform domain. The similarity may be determined using cross-correlation, entropy or a distance measure. The device (1) may advantageously be used in AutoDJ apparatus.
摘要翻译：一种用于确定音乐信号（x [n]）中的重音节拍的设备（1），包括：能量确定装置（12），用于确定能量（E [n]; E [k]）音乐信号（x [n]）的相似度确定装置（17），用于根据节奏估计值（T）分割能量的分割装置（15），用于确定能量（E [n] ; E [k]）;以及选择装置（18），用于选择具有最小相似度的分段作为包含重音节拍的分段。节奏估计（T）可以通过外部手段来确定。能量可以在时域或变换域中确定。可以使用互相关，熵或距离度量来确定相似度。装置（1）可以有利地用于AutoDJ设备。

5. 发明申请

WO2007036844A2 METHOD AND APPARATUS FOR AUTOMATIC STRUCTURE ANALYSIS OF AUDIO 审中-公开
标题翻译：音频自动结构分析方法和装置
公开(公告)号：WO2007036844A2
公开(公告)日：2007-04-05
申请号：PCT/IB2006053388
申请日：2006-09-20
申请人： KONINKL PHILIPS ELECTRONICS NV , LEMMA AWEKE N , ZIJDERVELD FRANCESCO F M
发明人： LEMMA AWEKE N , ZIJDERVELD FRANCESCO F M
IPC分类号： G10L25/00
CPC分类号： G10L25/00 , G10H1/0025 , G10H1/46 , G10H2210/076 , G10H2210/125 , G10H2250/031 , G11B27/28
摘要： Method and apparatus for determining the intra and/or outro of an audio content item in which the location (EOI BS ; SOO BS ) at which the beat strength of the audio content item remains above a first threshold level for a minimum time interval and the location (EOI LVL ; SOO LVL ) at which the signal level of the audio content item remained above a second threshold level for a minimum time interval are used to identify the end of the intra (EOI) and/or start of the outro (SOO).
摘要翻译：用于确定音频内容项的内部和/或外部的方法和设备，其中音频内容的拍音强度所在的位置（EOI _{BS ; SOO _{BS 项目在最小时间间隔内保持高于第一阈值水平并且音频内容项的信号水平保持在第二秒以上的位置（EOI _{LVL ; SOO _{LVL ）使用最小时间间隔的阈值水平来标识帧内（EOI）的结束和/或输出（SOO）的开始。}}}}

6. 发明申请

WO2007036817A1 METHOD AND APPARATUS FOR AUTOMATICALLY GENERATING A PLAYLIST BY SEGMENTAL FEATURE COMPARISON 审中-公开
标题翻译：通过分段特征比较自动生成播放列表的方法和装置
公开(公告)号：WO2007036817A1
公开(公告)日：2007-04-05
申请号：PCT/IB2006/053057
申请日：2006-09-01
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , APREA, Javier, F. , LEMMA, Aweke, N.
发明人： APREA, Javier, F. , LEMMA, Aweke, N.
IPC分类号： G11B27/10 , G06F17/30
CPC分类号： G06F17/30758 , G06F17/30743 , G06F17/30749 , G06F17/30772 , G11B27/28
摘要： A playlist of content items, e.g. songs, is automatically generated in which content items having features similar to features of a seed content item are selected. At least one feature of the seed content item is compared with at least one feature of each candidate content item to identify specific ones of the candidate content items that are similar to the seed content item. The identified candidate content items are then added to the playlist. Multiple features represent (e.g. are extracted from) different parts of a plurality of candidate content items and/or multiple features of the seed content item represent (e.g. are extracted from) different parts of the seed content item. The multiple features of the seed content item and/or of the candidate content items are compared with at least one feature of the seed content item or of the candidate content items.
摘要翻译：内容项目的播放列表，例如自动产生具有与种子内容项目的特征相似的特征的内容项目被选择的歌曲。将种子内容项目的至少一个特征与每个候选内容项目的至少一个特征进行比较，以识别类似于种子内容项目的候选内容项目的特定的一个。然后将所识别的候选内容项目添加到播放列表。多个特征表示（例如，从多个候选内容项目的）不同部分和/或种子内容项目的多个特征（例如，从种子内容项目的不同部分中提取）。将种子内容项目和/或候选内容项目的多个特征与种子内容项目或候选内容项目的至少一个特征进行比较。

7. 发明申请

WO2007031939A2 METHOD AND SYSTEM FOR ENABLING COLLUSION RESISTANT WATERMARKING 审中-公开
标题翻译：用于采用抗菌水标记的方法和系统
公开(公告)号：WO2007031939A2
公开(公告)日：2007-03-22
申请号：PCT/IB2006/053221
申请日：2006-09-12
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , LEMMA, Aweke, N. , VAN DER VEEN, Minne
发明人： LEMMA, Aweke, N. , VAN DER VEEN, Minne
CPC分类号： G06T1/0071 , G06T1/005 , G06T2201/0052 , G06T2201/0053 , G06T2201/0063
摘要： A method and a system for modifying a bitstream signal for enabling collusion resistant bitstream watermarking. The method comprises dividing a bitstream spectral signal X[k] of the bitstream signal bx into a first signal (302) and a second signal (304); multiplying the first signal (302) by a first modification signal (306) and outputting a modified first signal (314); performing a transform operation on said second signal (304) for obtaining a transformed second signal (308); multiplying said transformed second signal (308) by a second modification signal (310) and outputting a second modified signal (312); subtracting said second modified signal (312) from said first modified signal (314) and outputting a modified bitstream spectral signal X'[k] suitable for obtaining a modified bitstream signal b'x of said bitstream signal bx. Thus an efficient manner of applying a collusion resistant property for already encoded contents is provided.
摘要翻译：一种用于修改比特流信号以实现防串扰比特流水印的方法和系统。该方法包括将比特流信号bx的比特流频谱信号X [k]分成第一信号（302）和第二信号（304）; 将第一信号（302）乘以第一修改信号（306）并输出修改的第一信号（314）; 对所述第二信号（304）执行变换操作以获得变换的第二信号（308）; 将所述经变换的第二信号（308）乘以第二修改信号（310）并输出第二修改信号（312）; 从所述第一修改信号（314）中减去所述第二修改信号（312），并输出适于获得所述比特流信号bx的修改的位流信号b'x的修改的比特流频谱信号X'[k]。因此，提供了对已经编码的内容应用防串扰属性的有效方式。

8. 发明申请

WO2006109259A1 ENCODING WITH WATERMARKING PRIOR TO PHASE MODULATION 审中-公开
标题翻译：在相位调制之前编码水印
公开(公告)号：WO2006109259A1
公开(公告)日：2006-10-19
申请号：PCT/IB2006/051126
申请日：2006-04-12
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , VAN DER VEEN, Minne , LEMMA, Aweke, N. , BEAUGET, Sylvain, P.
发明人： VAN DER VEEN, Minne , LEMMA, Aweke, N. , BEAUGET, Sylvain, P.
IPC分类号： G11B20/10
CPC分类号： G11B20/00086 , G06T1/005 , G06T2201/0052 , G06T2201/0063 , G10L19/018 , G11B20/00884 , G11B20/00891 , G11B20/00905 , H04N19/467 , H04N19/61
摘要： In watermarking systems, hackers may try to remove the watermark using a so-called collusion attack. If the attacker has access to multiple identical signals with different watermarks (this typically occurs in electronic content delivery systems), simply averaging the signals will remove the watermark energy. A known solution to this problem is phase modulation. By modulating the phase of the signals, the averaging attack will cause phase cancellation to occur and annoying artifacts to be introduced. In the prior art, said phase modulation is carried out in the base-band domain, prior to watermark embedding. The present invention enables phase modification efficiently to be applied to transform coded signals, in particular DCT or MDCT coded signals such as MP3 or AAC audio signals, or MPEG2 video signals. The bitstream is partially decoded (4) and re-encoded (7). In accordance with the invention, the phase modification is now performed by an appropriately modified version of the forward or inverse (M)DCT transform algorithm (9). The phase modulation is thus an integral part of the decoding process (before watermark embedding) or the encoding process (after watermark embedding), which is very efficient. The phase modulation is controlled by parameters provided by a control function (5).
摘要翻译：在水印系统中，黑客可能会尝试使用所谓的串通攻击去除水印。如果攻击者可以访问具有不同水印的多个相同的信号（这通常发生在电子内容传送系统中），简单地平均信号将消除水印能量。这个问题的一个已知的解决方案是相位调制。通过调制信号的相位，平均化攻击将导致相位消除发生和烦人的伪像被引入。在现有技术中，在水印嵌入之前，在基带域中执行所述相位调制。本发明使得能够有效地进行相位修改以变换编码信号，特别是DCT或MDCT编码信号，例如MP3或AAC音频信号或MPEG2视频信号。比特流被部分解码（4）并重新编码（7）。根据本发明，现在通过正向或反向（M）DCT变换算法（9）的适当修改的版本执行相位修改。因此，相位调制是解码处理（水印嵌入之前）或编码处理（水印嵌入之后）的组成部分，这是非常有效的。相位调制由控制功能（5）提供的参数控制。

9. 发明申请

WO2005062297A1 WATERMARK EMBEDDING 审中-公开
标题翻译：水印嵌入
公开(公告)号：WO2005062297A1
公开(公告)日：2005-07-07
申请号：PCT/IB2004/052676
申请日：2004-12-06
申请人： KONINKLIJKE PHILIPS ELECTRONICS N.V. , LEMMA, Aweke, N.
发明人： LEMMA, Aweke, N.
IPC分类号： G10L19/00
CPC分类号： G06T1/0028 , G06T2201/0202 , G10L19/018
摘要： Disclosed are methods and systems for embedding watermarks in information signals to obtain a watermarked information signal. The method of embedding a watermark comprises the steps of determining a predetermined first property of a first part of the information signal, said predetermined first property being indicative of whether at least a predetermined first part of the watermark signal is detectable in the first part of the information signal; embedding the at least first part of the watermark in the first part of the information signal to obtain the watermarked information signal, if the at least first part of the watermark signal is determined not to be detectable in the first part of the information signal; otherwise generating the watermarked information signal to include the first part of the information signal.
摘要翻译：公开了用于在信息信号中嵌入水印以获得水印信息信号的方法和系统。嵌入水印的方法包括以下步骤：确定信息信号的第一部分的预定的第一属性，所述预定的第一属性指示在第一部分中是否检测到水印信号的至少预定的第一部分信息信号; 如果在信息信号的第一部分确定水印信号的至少第一部分是不可检测的，则将信息信号的第一部分中的水印的至少第一部分嵌入到信息信号的第一部分中以获得水印信息信号; 否则生成水印信息信号以包括信息信号的第一部分。

10. 发明申请

WO2004023473A3 WATERMARK EMBEDDING AND DETECTION 审中-公开
标题翻译：水雾嵌入和检测
公开(公告)号：WO2004023473A3
公开(公告)日：2004-05-21
申请号：PCT/IB0303827
申请日：2003-09-02
申请人： KONINKL PHILIPS ELECTRONICS NV , VAN DER VEEN MINNE , BRUEKERS ALPHONS A M L , LEMMA AWEKE N , APREA JAVIER F , KALKER ANTONIUS A C M
发明人： VAN DER VEEN MINNE , BRUEKERS ALPHONS A M L , LEMMA AWEKE N , APREA JAVIER F , KALKER ANTONIUS A C M
IPC分类号： G06T1/00
CPC分类号： G06T1/0071
摘要： Methods and apparatus for embedding a watermark in an information signal are described. At least two different watermarks are randomly embedded in an information signal. The watermarks are different with respect to a property which is relevant for detection of each watermark.
摘要翻译：描述了在信息信号中嵌入水印的方法和装置。至少两个不同的水印随机地嵌入到信息信号中。相对于与每个水印的检测相关的属性，水印是不同的。

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