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    METHOD AND SYSTEM OF REPRESENTING MUSICAL INFORMATION IN A DIGITAL REPRESENTATION FOR USE IN CONTENT-BASED MULTIMEDIA INFORMATION RETRIEVAL
    2.
    发明申请
    METHOD AND SYSTEM OF REPRESENTING MUSICAL INFORMATION IN A DIGITAL REPRESENTATION FOR USE IN CONTENT-BASED MULTIMEDIA INFORMATION RETRIEVAL 审中-公开
    在基于内容的多媒体信息检索中使用数字表示法表示音乐信息的方法和系统

    公开(公告)号：WO2003005242A1

    公开(公告)日：2003-01-16

    申请号：PCT/SG2001/000044

    申请日：2001-03-23

    Applicant: KENT RIDGE DIGITAL LABS ,  XU, Changsheng ,  ZHU, Yongwei

    Inventor： XU, Changsheng ,  ZHU, Yongwei

    IPC: G06F17/30

    CPC classification number: G06F17/30758 ,  G06F17/30017 ,  G06F17/30743

    Abstract: The invention relates to content-based audio/musing retrieval and other content-based multimedia information retrieval. In one aspect the present invention provides a method of representing audio/musical information in a digital representation suitable for use in content-based information indexing and retrieval including the steps of: determining a first representation including a set of peaks and valley corresponding to maximum and minimum values respectively of at least one characteristic of the audio/music, and; determining a second representation including values representing relative differences between peaks and valleys. The invention presents a method and a system for content-based music retrieval. A musing score database is constructed to provide a unique representation of real music songs. Score keywords are extracted from the music score as the features of the musing songs. This invention also provides a method to automatically convert the queries inputted by humming into query keywords. The extracted query keywords will be matched with the existing score keywords in the music score database to retrieve the relevant music songs. Since there is an exact correspondence between the music scores and actual music songs, the retrieval accuracy will be greatly improved compared with other low-level feature based music retrieval methods.

    Abstract translation: 本发明涉及基于内容的音频/模糊检索和其他基于内容的多媒体信息检索。 在一个方面，本发明提供一种以适于在基于内容的信息索引和检索中使用的数字表示中的音频/音乐信息的方法，包括以下步骤：确定包括一组对应于最大和最大的峰和谷的第一表示， 分别是音频/音乐的至少一个特征的最小值; 确定包括表示峰和谷之间的相对差异的值的第二表示。 本发明提出了一种用于基于内容的音乐检索的方法和系统。 构建一个冥想分数据库，以提供真实音乐歌曲的独特表现。 乐谱关键词是从乐谱中提取的，作为抒情歌曲的特征。 本发明还提供了一种自动将通过哼唱输入的查询转换为查询关键词的方法。 提取的查询关键字将与音乐分数据库中的现有分数关键词相匹配，以检索相关的音乐歌曲。 由于音乐分数和实际音乐歌曲之间存在准确的对应关系，与其他基于低级特征的音乐检索方法相比，检索精度将大大提高。

    AUTOMATIC CREATION OF THUMBNAILS FOR MUSIC VIDEOS
    4.
    发明申请
    AUTOMATIC CREATION OF THUMBNAILS FOR MUSIC VIDEOS 审中-公开
    自动创作音乐录影带

    公开(公告)号：WO2007011308A1

    公开(公告)日：2007-01-25

    申请号：PCT/SG2005/000247

    申请日：2005-07-22

    Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH ,  XU, Changsheng

    Inventor： XU, Changsheng

    IPC: G06F19/00 ,  G06T1/00

    CPC classification number: G11B27/28 ,  G06F17/30787 ,  G06F17/30796 ,  G06F17/30843 ,  G10H1/368 ,  G10H2210/061 ,  G10H2210/066 ,  G10H2210/076 ,  G10H2210/081 ,  G10H2220/011 ,  G10H2250/135 ,  G10H2250/235 ,  G10L25/48

    Abstract: There is provided a method for automatically creating a music video thumbnail (50) from a music video signal (12). The music video signal is separated into a music signal (16) and a video signal (18). The music signal is analysed by detecting similarity regions and the sections of the music signal corresponding to the chorus are extracted (20). The video signal is analysed by detecting repeated lyrics (34). The extracted chorus sections from the music signal and the sections of the video signal containing repeated lyrics are then matched. A matched pair is then selected for use in the music video thumbnail and the timing of the pair are aligned (42) to form the thumbnail.

    Abstract translation: 提供了一种用于从音乐视频信号（12）自动创建音乐视频缩略图（50）的方法。 音乐视频信号被分成音乐信号（16）和视频信号（18）。 通过检测相似区域来分析音乐信号，提取与合唱对应的音乐信号的部分（20）。 通过检测重复的歌词来分析视频信号（34）。 然后匹配来自音乐信号的提取的合唱部分和包含重复歌词的视频信号的部分。 然后选择匹配的对以在音乐视频缩略图中使用，并且对的定时对齐（42）以形成缩略图。

    AUTOMATIC VIDEO EVENT DETECTION AND INDEXING
    5.
    发明申请
    AUTOMATIC VIDEO EVENT DETECTION AND INDEXING 审中-公开
    自动视频事件检测和索引

    公开(公告)号：WO2005076594A1

    公开(公告)日：2005-08-18

    申请号：PCT/SG2005/000029

    申请日：2005-02-07

    Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH ,  LIM, Joo Hwee ,  XU, Changsheng ,  WAN, Kong Wah ,  TIAN, Qi ,  KANG, Yu-Lin

    Inventor： LIM, Joo Hwee ,  XU, Changsheng ,  WAN, Kong Wah ,  TIAN, Qi ,  KANG, Yu-Lin

    IPC: H04N3/36

    CPC classification number: G06F17/30787 ,  G06F17/30799 ,  G06K9/00711

    Abstract: A method for use in indexing video footage, the video footage comprising an image signal and a corresponding audio signal relating to the image signals, the method comprising extracting audio features from the audio signal of the video footage and visual features from the image signal of the video footage; comparing the extracted audio and visual features with predetermined audio and visual keywords; identifying the audio and visual keywords associated with the video footage based on the comparison of the extracted video and visual features with the predetermine audio and visual keywords; and determining the presence of events in the video footage based on the audio and visual keywords associated with the video footage.

    Abstract translation: 一种用于索引视频镜头的方法，包括图像信号的视频画面和与图像信号相关的对应音频信号，该方法包括从视频素材的音频信号和视觉特征中提取音频特征， 录像带 将所提取的音频和视觉特征与预定的音频和视觉关键词进行比较; 基于提取的视频和视觉特征与预定的音频和视觉关键词的比较来识别与视频素材相关联的音频和视觉关键词; 以及基于与视频素材相关联的音频和视觉关键词来确定视频素材中的事件的存在。

    SUMMARIZING DIGITAL AUDIO DATA
    7.
    发明申请
    SUMMARIZING DIGITAL AUDIO DATA 审中-公开
    概述数字音频数据

    公开(公告)号：WO2004049188A1

    公开(公告)日：2004-06-10

    申请号：PCT/SG2002/000279

    申请日：2002-11-28

    Applicant: INSTITUTE FOR INFOCOMM RESEARCH ,  XU, Changsheng

    Inventor： XU, Changsheng

    IPC: G06F17/00

    CPC classification number: G06F17/30775 ,  G06F17/30743 ,  G10H1/0008 ,  G10H2210/031 ,  G10H2210/046 ,  G10H2210/061 ,  G10H2240/155 ,  G10L25/48

    Abstract: An embodiment is related to automatic summarization for digital audio raw data (12), more specifically, for identifying pure music and vocal music (40,60) from digital audio data by extracting distinctive features from music frames (73,74,75,76), designing a classifier and determining the classification parameters (20) using adaptive learning/training algorithm (36), and identifying music into pure music or vocal music according to the classifier. For pure music, temporal, spectral and cepstral features are calculated to characterise the musical content, and an adaptive clustering method is used to structure the musical content according to calculated features. The summary (22,24,26,48,52,70,72) is created according to clustered result and domain-based music knowledge (50,150). For vocal music, voice related features are extracted and used to structure the musical content, and similarly, the music summary is created in terms of structured content and heuristic rules related to music genres.

    Abstract translation: 一个实施例涉及数字音频原始数据（12）的自动摘要，更具体地说，用于从数字音频数据中识别纯音乐和声乐（40,60），通过从音乐帧中提取特征（73,74,75,76） ），使用自适应学习/训练算法（36）设计分类器和确定分类参数（20），并根据分类器将音乐识别为纯音乐或声乐。 对于纯音乐，计算时间，频谱和倒谱特征来表征音乐内容，并且使用自适应聚类方法根据计算的特征来构建音乐内容。 摘要（22,24,26,48,52,70,72）是根据聚类结果和基于域的音乐知识创建的（50,150）。 对于声乐，语音相关特征被提取并用于构造音乐内容，并且类似地，音乐摘要根据与音乐流派相关的结构化内容和启发式规则创建。

    APPARATUS AND METHOD FOR ANALYSING A VIDEO BROADCAST
    8.
    发明申请
    APPARATUS AND METHOD FOR ANALYSING A VIDEO BROADCAST 审中-公开
    用于分析视频广播的装置和方法

    公开(公告)号：WO2007114796A1

    公开(公告)日：2007-10-11

    申请号：PCT/SG2007/000091

    申请日：2007-04-05

    Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH ,  DUAN, Lingyu ,  ZHENG, Yantao ,  XU, Changsheng ,  TIAN, Qi

    Inventor： DUAN, Lingyu ,  ZHENG, Yantao ,  XU, Changsheng ,  TIAN, Qi

    IPC: H04N5/91 ,  H04N7/00

    CPC classification number: H04N5/76 ,  G06K9/00711 ,  H04H60/37 ,  H04H60/59 ,  H04N5/91 ,  H04N21/44008 ,  H04N21/44209 ,  H04N21/812

    Abstract: An apparatus for determining likelihood that a candidate commercial boundary is a commercial boundary comprises a boundary classifier. A boundary classifier determines whether a candidate video frame comprises product information, and determines a likelihood the candidate commercial boundary is a commercial boundary in dependence of a determination the candidate video frame comprises product information. Another apparatus for classifying a commercial video broadcast comprises a proxy document identifier to identify a proxy of a commercial video broadcast. The apparatus also includes a training module for compiling training data from a corpus of training documents and a classifier module, trained by the training data, to classify the commercial video broadcast from an examination of data from the proxy document.

    Abstract translation: 用于确定候选商业边界是商业边界的可能性的装置包括边界分类器。 边界分类器确定候选视频帧是否包括产品信息，并且根据确定候选视频帧包括产品信息来确定候选商业边界是商业边界的可能性。 用于分类商业视频广播的另一种装置包括用于识别商业视频广播的代理的代理文档标识符。 该装置还包括用于从训练文档语料库编译训练数据的训练模块和由训练数据训练的分类器模块，以便从代理文档的数据检查中对商业视频广播进行分类。

    METHOD AND SYSTEM FOR CONTROLLING USAGE AND PROTECTING AGAINST COPYING OF DIGITAL MULTIMEDIA CONTENT AND ASSOCIATED PLAYERS/READERS
    9.
    发明申请
    METHOD AND SYSTEM FOR CONTROLLING USAGE AND PROTECTING AGAINST COPYING OF DIGITAL MULTIMEDIA CONTENT AND ASSOCIATED PLAYERS/READERS 审中-公开
    用于控制数字多媒体内容和相关播放器/读者的复制使用和保护的方法和系统

    公开(公告)号：WO0231618A3

    公开(公告)日：2002-09-26

    申请号：PCT/SG0000173

    申请日：2000-10-13

    Applicant: KENT RIDGE DIGITAL LABS ,  XU CHANGSHENG ,  WU JIANKANG

    Inventor： XU CHANGSHENG ,  WU JIANKANG

    IPC: G06F1/00 ,  G06F21/10 ,  H04L9/00

    CPC classification number: G06F21/10

    Abstract: The present invention presents a method and system for controlling usage and protecting against copying of digital multimedia content (such as audio, video, image, and document) and their associated players or readers. The system is arranged so that digital content and their players or readers that are installed in one computer or device cannot be used if they are copied to another computer or device. The system may also be arranged so that duplicated digital content is not usable in the same computer or device. Usage data associated with each item of digital content may restrict the running time during which the content can be used and may be updated automatically after each usage of the content. The content may not be accessible if its permitted usage has expired.

    Abstract translation: 本发明提出了用于控制数字多媒体内容（诸如音频，视频，图像和文档）及其相关播放器或阅读器的复制的使用和防止复制的方法和系统。 该系统的安排使得安装在一台计算机或设备上的数字内容及其播放器或阅读器在复制到另一台计算机或设备时不能使用。 该系统还可以被安排为使得复制的数字内容在同一台计算机或设备中不可用。 与每个数字内容项相关联的使用数据可以限制内容可以被使用的运行时间，并且可以在内容的每次使用之后被自动更新。 如果允许的使用已过期，内容可能无法访问。

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