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    Watermark-based metadata acquisition and processing
    11.
    发明授权
    Watermark-based metadata acquisition and processing 有权

    公开(公告)号：US11297398B2

    公开(公告)日：2022-04-05

    申请号：US16625656

    申请日：2018-06-21

    Applicant: Verance Corporation

    Inventor： Jian Zhao ,  Joseph M. Winograd ,  Rade Petrovic ,  Julia Ann Kenyon

    IPC: H04N21/8358 ,  H04N21/845 ,  H04N21/434 ,  H04N21/858 ,  H04N21/84 ,  H04N21/643

    Abstract: The disclosed embodiments relate to media devices implementing new television standards, such as ATSC 3.0, which includes audio/video essence and metadata/signaling. The disclosed embodiments include techniques for creating a signaling file that contains metadata and signaling data about the broadcast service being presented. The signaling file may include URLs that can be used to access signaling information for supplementary signaling and content. The signaling also contains a mapping between a first timing system and a second timing system. The first timing system may comprise the watermark timeline represented in interval s and the second timing system may comprise a DASH presentation time.

    SYSTEM AND METHOD FOR SIGNALING SECURITY AND DATABASE POPULATION
    12.
    发明申请
    SYSTEM AND METHOD FOR SIGNALING SECURITY AND DATABASE POPULATION 有权

    公开(公告)号：US20210127179A1

    公开(公告)日：2021-04-29

    申请号：US17011834

    申请日：2020-09-03

    Applicant: Verance Corporation

    Inventor： Jian Zhao ,  Joseph M. Winograd

    IPC: H04N21/8358 ,  G06T1/00 ,  H04N21/442 ,  H04N21/2389 ,  H04N21/437 ,  H04N21/435 ,  H04N21/858 ,  H04N21/81 ,  H04N21/84 ,  H04N21/845

    Abstract: The disclosed technology relates to methods, devices, systems and computer program products that facilitate access to metadata associated with a content. In one example, a method is described that includes receiving a multimedia content at a receiver device, extracting a watermark message from a first segment of the multimedia content, using at least a portion of the first watermark message to obtain additional information regarding the first segment of the multimedia content that includes the first watermark message, and associating and storing one or more values of the first watermark message and the additional information. The method further includes repeating the above operations to extract additional watermark messages from additional segments of the content and to form a table or array of items that can be accessed by specifying the one or more values of the first watermark message or one or more values of the additional watermark messages.

    DEVICE AUTHENTICATION IN COLLABORATIVE CONTENT SCREENING
    13.
    发明申请
    DEVICE AUTHENTICATION IN COLLABORATIVE CONTENT SCREENING 审中-公开

    公开(公告)号：US20190318061A1

    公开(公告)日：2019-10-17

    申请号：US16387519

    申请日：2019-04-17

    Applicant: Verance Corporation

    Inventor： Joseph M. Winograd ,  Jian Zhao ,  Michael George Kiefer

    IPC: G06F21/10

    Abstract: Content screening operations, which can include watermark extraction and the application of content usage enforcement actions, may be organized such that some or all of the operations can be conducted by different devices that are connected via connectors such as HDMI (High-Definition Multimedia Interface (HDMI), analog composite video, DVI (Digital Visual Interface), SDI (Serial Digital Interface), DisplayPort, or networked via Ethernet or wireless. Authentication and encryption methods are disclosed that can be used to establish the trust and secure communication between devices that conduct collaborative content screening. Delegation architecture may be based on ascertained screening capabilities of the sink device wherein the source device verifies that the sink device is capable and trusted to perform partial or whole screening operations delegated by the source. Alternatively, delegation architecture may be based on ascertained screening capabilities of the source device wherein the sink device verifies that the source device is capable and trusted to provide correct content credential and content use policy (“content credential”) that is needed for the sink device to determine whether content screening should be performed, and if yes, what content screening operations should be performed.

    Interactive content acquisition using embedded codes
    14.
    发明授权
    Interactive content acquisition using embedded codes 有权

    公开(公告)号：US10110971B2

    公开(公告)日：2018-10-23

    申请号：US15851601

    申请日：2017-12-21

    Applicant: Verance Corporation

    Inventor： Joseph M. Winograd ,  Jian Zhao ,  Rade Petrovic

    IPC: H04N5/445 ,  H04N21/8358 ,  H04N21/435 ,  H04N21/437 ,  H04N21/44 ,  G06F21/10 ,  H04N21/226 ,  H04N21/442 ,  H04N21/2668

    Abstract: Methods and devices are provided to facilitate acquisition of information associated with a multimedia content through embedded watermarks. One such method includes obtaining a server code for embedding into a content. The server code identifies a particular domain name registered to a registrant entity and provides a mapping to an Internet address of a metadata server. Upon receiving an indication that a trigger event is associated with a particular segment of the content, a first watermark payload is formed and embedded in the content. The watermark payload includes the server code, an interval code and a first trigger value. The interval code identifies the particular content segment and the first trigger value indicates that additional information associated with the particular segment is. Detection of the first trigger value from a subsequently distributed content enables a query to the metadata server for acquisition of metadata.

    CONTENT DISTRIBUTION INCLUDING ADVERTISEMENTS
    18.
    发明申请
    CONTENT DISTRIBUTION INCLUDING ADVERTISEMENTS 审中-公开
    内容分发，包括广告

    公开(公告)号：US20170055042A1

    公开(公告)日：2017-02-23

    申请号：US15199566

    申请日：2016-06-30

    Applicant: Verance Corporation

    Inventor： Jian Zhao

    IPC: H04N21/81 ,  H04N21/435 ,  H04N21/442 ,  H04N21/2389 ,  H04N21/44

    CPC classification number: H04N21/812 ,  G06Q30/0249 ,  H04N21/23892 ,  H04N21/435 ,  H04N21/44016 ,  H04N21/44204 ,  H04N21/4542 ,  H04N21/4784

    Abstract: Methods, devices, and computer program products are provided to enhance viewing of an entertainment content in the presence of advertisements. At a compliant device, at least a portion of an entertainment content is received and content policy information associated with the received entertainment content is obtained. The content policy information relates to presentation of one or more advertisements during a specific release window of the entertainment content. Such content policy information can be ascertained through one or both of: extraction of watermarks that are embedded in the one or more advertisements or the entertainment content, and computation and matching of fingerprints associated with the one or more advertisements or the entertainment content. Based on the content policy information, presentation of the one or more advertisements is triggered before allowing presentation of advertisement-free playback of the entertainment content, or simultaneous with presentation of the entertainment content.

    Abstract translation: 提供方法，设备和计算机程序产品以增强在广告存在下观看娱乐内容。 在兼容装置中，接收娱乐内容的至少一部分，并且获得与所接收的娱乐内容相关联的内容策略信息。 内容策略信息涉及娱乐内容的特定发布窗口期间的一个或多个广告的呈现。 这样的内容策略信息可以通过以下之一或两者来确定：提取嵌入在一个或多个广告或娱乐内容中的水印，以及与一个或多个广告或娱乐内容相关联的指纹的计算和匹配。 基于内容策略信息，在允许播放娱乐内容的无广告播放之前或同时呈现娱乐内容的同时触发一个或多个广告的呈现。

    WATERMARK DETECTION AND METADATA DELIVERY ASSOCIATED WITH A PRIMARY CONTENT
    19.
    发明申请
    WATERMARK DETECTION AND METADATA DELIVERY ASSOCIATED WITH A PRIMARY CONTENT 有权
    水母检测和元数据交付与主要内容相关

    公开(公告)号：US20160148334A1

    公开(公告)日：2016-05-26

    申请号：US14951302

    申请日：2015-11-24

    Applicant: Verance Corporation

    Inventor： Rade Petrovic ,  Jian Zhao ,  Joseph M. Winograd

    IPC: G06T1/00 ,  H04N21/4627 ,  H04N21/435 ,  G10L19/018

    CPC classification number: H04N21/435 ,  G10L19/018 ,  H04N21/2353 ,  H04N21/4627 ,  H04N21/8358

    Abstract: Methods, devices, systems and computer program products enable enhances delivery and use of metadata that is associated a primary multimedia content. Watermarks that are detected by a watermark extractor produce an indication as to astute of the watermark detector as being in one of a an unmarked content state, a marked content state or a gap state, and cause the watermark extractor to transition from one state to another state based on event that are recognized based a failure or a success in detecting watermarks, an indication of low content activity and a previous state of the watermark extractor. The events and states associated with the watermark extractor further allows retrieval of new metadata associated with the primary content, use of an existing metadata in a modified manner or a change in presentation of a secondary content that is associated with the primary content.

    Abstract translation: 方法，设备，系统和计算机程序产品能够增强与主要多媒体内容相关联的元数据的传递和使用。 由水印提取器检测到的水印产生关于水印检测器精确的指示为处于未标记的内容状态，标记的内容状态或间隙状态之一，并且使水印提取器从一个状态转换到另一个状态 基于基于检测水印的失败或成功识别的事件，低内容活动的指示和水印提取器的先前状态。 与水印提取器相关联的事件和状态还允许检索与主要内容相关联的新元数据，以修改的方式使用现有元数据，或者改变与主内容相关联的次要内容。

    CONTENT MANAGEMENT BASED ON DITHER-LIKE WATERMARK EMBEDDING
    20.
    发明申请
    CONTENT MANAGEMENT BASED ON DITHER-LIKE WATERMARK EMBEDDING 有权
    基于类似水印嵌入的内容管理

    公开(公告)号：US20160055607A1

    公开(公告)日：2016-02-25

    申请号：US14830591

    申请日：2015-08-19

    Applicant: Verance Corporation

    Inventor： Rade Petrovic ,  Jian Zhao ,  Joseph M. Winograd

    IPC: G06T1/00

    CPC classification number: G06T1/0028 ,  G06F21/16 ,  G06K9/00744 ,  G06T1/005 ,  G06T1/0085 ,  G06T2201/005 ,  G06T2201/0065 ,  H04N5/08 ,  H04N19/467 ,  H04N21/00 ,  H04N21/4307 ,  H04N21/4627 ,  H04N21/8358

    Abstract: Methods, devices and computer program products allow embedding and detection of watermarks into and from a multimedia content. One watermark embedding method includes selecting a content segment that lacks inherent features for embedding of watermarks without producing perceptible artifacts, and obtaining a first dither pattern corresponding to a first watermark symbol of a watermark symbol alphabet, where each symbol is associated with a particular dither pattern. Further, each particular dither pattern, upon combination with the multimedia content segment that lacks inherent features, produces a composite content segment without perceptible artifacts. By combining the first dither pattern with the multimedia content segment that lacks inherent features, a first composite content segment with the first embedded watermark symbol is produced. The detection of watermarks messages can be carried out quickly by examining a small portions of the multimedia because even the featureless content segments include embedded watermarks.

    Abstract translation: 方法，设备和计算机程序产品允许嵌入和检测多媒体内容中的水印。 一种水印嵌入方法包括：选择缺乏用于嵌入水印的固有特征的内容片段，而不会产生可察觉的伪影，以及获得与水印符号字母表的第一水印符号相对应的第一抖动图案，其中每个符号与特定抖动图案相关联 。 此外，每个特定抖动图案在与缺乏固有特征的多媒体内容段组合时，产生不具有可感知伪像的复合内容段。 通过将第一抖动模式与缺乏固有特征的多媒体内容段组合，产生具有第一嵌入水印符号的第一复合内容段。 水印消息的检测可以通过检查多部分的多媒体来快速地执行，因为即使没有特征的内容片段也包括嵌入的水印。

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