利索-全球专利检索

  1. Login
  2. Sign Up

Search Results

20 records (took 0.015 seconds)

    METHOD, SYSTEM AND RELATED SELECTION DEVICE FOR NAVIGATING IN ULTRA HIGH RESOLUTION VIDEO CONTENT
    2.
    发明申请
    METHOD, SYSTEM AND RELATED SELECTION DEVICE FOR NAVIGATING IN ULTRA HIGH RESOLUTION VIDEO CONTENT 审中-公开
    用于在超高分辨率视频内容中导航的方法，系统和相关选择装置

    公开(公告)号：US20150382065A1

    公开(公告)日：2015-12-31

    申请号：US14749990

    申请日：2015-06-25

    Applicant: Alcatel Lucent

    Inventor： Patrice Rondao Alface ,  Jean-Francois Macq ,  Nico Verzijp

    IPC: H04N21/472 ,  H04N21/422 ,  H04N21/6587 ,  H04N21/414

    CPC classification number: H04N21/47205 ,  H04N21/21805 ,  H04N21/234318 ,  H04N21/234363 ,  H04N21/41407 ,  H04N21/42206 ,  H04N21/4728 ,  H04N21/6587

    Abstract: The present invention relates to a method, system and related devices for navigating in ultra high resolution video content under control of a user navigation command originating from a client device, at least portions of the ultra high resolution video content being transmitted from a server towards said client device, where said method comprises the steps of receiving a user navigation command, said user navigation command indicating a navigation trajectory through said ultra high resolution video content and determining a local video saliency on said navigation selection trajectory by analyzing said ultra high resolution video content on said navigation trajectory through said ultra high resolution video content and adapting characteristics of said navigation selection trajectory in function of said local video saliency on said navigation selection trajectory.

    Abstract translation: 本发明涉及一种用于在由客户端设备产生的用户导航命令的控制下在超高分辨率视频内容中导航的方法，系统和相关设备，所述超高分辨率视频内容的至少一部分从服务器发送到所述 客户端设备，其中所述方法包括以下步骤：接收用户导航命令，所述用户导航命令指示通过所述超高分辨率视频内容的导航轨迹，并且通过分析所述超高分辨率视频内容来确定所述导航选择轨迹上的本地视频显着性 在所述导航轨迹上通过所述超高分辨率视频内容，并且在所述导航选择轨迹上根据所述局部视频显着的功能调整所述导航选择轨迹的特性。

    Encoder, decoder, system and methods for video coding
    3.
    发明授权
    Encoder, decoder, system and methods for video coding 有权

    公开(公告)号：US10194157B2

    公开(公告)日：2019-01-29

    申请号：US15212365

    申请日：2016-07-18

    Applicant: Alcatel Lucent

    Inventor： Maarten Aerts ,  Patrice Rondao Alface

    IPC: H04N19/36 ,  H04N19/23 ,  H04N19/17 ,  H04N19/119 ,  H04N19/154 ,  H04N19/20

    Abstract: An encoder for encoding a video signal, comprising a video modelling module configured for determining a plurality of video modelling parameters for a plurality of video locations on a spatiotemporal grid of said video signal, said spatiotemporal grid comprising at least two spatial dimensions and a time dimension, each video modelling parameter being adapted for allowing a pre-determined video model to at least approximately reconstruct its video location, a video segmentation module configured for segmenting said video signal into a plurality of spatiotemporal video regions, based on said video modelling parameters and a vectorisation module configured for vectorising spatiotemporal surfaces of said spatiotemporal video regions; and wherein said encoder is configured for encoding said video signal based on at least a subset of said determined plurality of video modelling parameters and based on said vectorised spatiotemporal surfaces, wherein said subset is determined taking into account said spatiotemporal video regions.

    EFFICIENT AND SCALABLE CACHING AND REPRESENTATION OF MEDIA WITH CROSS-SIMILARITIES
    4.
    发明申请
    EFFICIENT AND SCALABLE CACHING AND REPRESENTATION OF MEDIA WITH CROSS-SIMILARITIES 审中-公开
    具有跨类似性的高效和可扩展的缓存和表示

    公开(公告)号：US20160359934A1

    公开(公告)日：2016-12-08

    申请号：US15117968

    申请日：2015-02-09

    Applicant: ALCATEL LUCENT

    Inventor： Maarten Aerts ,  Patrice Rondao Alface ,  Vinay Namboodiri

    IPC: H04L29/06

    CPC classification number: H04L65/4084 ,  H04L65/602 ,  H04L65/607 ,  H04N21/222 ,  H04N21/23106 ,  H04N21/2662 ,  H04N21/4331 ,  H04N21/6336 ,  H04N21/858

    Abstract: A system for making available at an end-user a media file, from a media provider comprising a media file patch related to at least one object, the system comprising: an encoding module at the media provider configured for determining at least one representation which resembles the media file patch, by comparing the media file patch with representations of said at least one object, and for including at least one identification corresponding with said representation in a skeleton file; a storage medium storing a dictionary including the representations of the at least one object at of the end-user and an intermediate node between the media provider and/or the end-user; a decoding module configured for decoding the skeleton file using the identification for looking up the corresponding representation in the dictionary of the storage medium and for rendering the media file patch based on the looked-up corresponding representation.

    Abstract translation: 一种用于在最终用户处从包括与至少一个对象相关的媒体文件补丁的媒体提供者获得媒体文件的系统，所述系统包括：媒体提供商处的编码模块，被配置为确定至少一个类似于 所述媒体文件补丁通过将所述媒体文件补丁与所述至少一个对象的表示进行比较，并且将与所述表示相对应的至少一个标识包括在骨架文件中; 存储包括终端用户的至少一个对象的表示的字典和媒体提供者和/或最终用户之间的中间节点的存储介质; 解码模块，其被配置为使用用于查找存储介质的字典中的相应表示的标识来解码所述骨架文件，以及基于所述查找的对应表示来呈现所述媒体文件补丁。

    METHOD AND APPARATUS FOR ENCODING A VIDEO STREAM HAVING A TRANSPARENCY INFORMATION CHANNEL
    5.
    发明申请
    METHOD AND APPARATUS FOR ENCODING A VIDEO STREAM HAVING A TRANSPARENCY INFORMATION CHANNEL 有权
    用于编辑具有透明信息通道的视频流的方法和装置

    公开(公告)号：US20150117518A1

    公开(公告)日：2015-04-30

    申请号：US14404814

    申请日：2013-05-23

    Applicant: Alcatel Lucent

    Inventor： Patrice Rondao Alface ,  Sigurd Van Broeck ,  Christoph Stevens ,  Jean-Francois Macq

    IPC: H04N19/12 ,  H04N19/177 ,  H04N19/21 ,  H04N19/146 ,  H04N19/597

    CPC classification number: H04N19/12 ,  G06T9/001 ,  H04N19/146 ,  H04N19/15 ,  H04N19/156 ,  H04N19/164 ,  H04N19/172 ,  H04N19/174 ,  H04N19/177 ,  H04N19/21 ,  H04N19/597 ,  H04N19/61

    Abstract: Method for encoding a video stream having a transparency information channel in view of a predetermined target bit rate for said transparency information channel, comprising: tentatively applying a first encoding (130) to said transparency information channel, said first encoding (130) comprising lossless vector graphics encoding; if said first encoding results in an encoded bitrate within said predetermined target bitrate (140), selecting said first encoding (150) to produce an encoded version of said transparency information channel; otherwise, tentatively applying a second encoding (160) to said transparency information channel, said second encoding (160) comprising a mathematical representation encoding scheme; if said second encoding results in an encoded bitrate within said predetermined target bitrate (170), selecting said second encoding (180) to produce an encoded version of said transparency information channel; otherwise, selecting a third encoding (190) to produce an encoded version of said transparency in formation channel, said third encoding comprising MPEG-based encoding.

    Abstract translation: 一种用于对具有所述透明度信息信道的预定目标比特率的具有透明度信息信道的视频流进行编码的方法，包括：暂时对所述透明度信息信道应用第一编码（130），所述第一编码（130）包括无损矢量 图形编码; 如果所述第一编码在所述预定目标比特率（140）内导致编码比特率，则选择所述第一编码（150）以产生所述透明度信息信道的编码版本; 否则，暂时对所述透明度信息信道应用第二编码（160），所述第二编码（160）包括数学表示编码方案; 如果所述第二编码在所述预定目标比特率（170）内导致编码比特率，则选择所述第二编码（180）以产生所述透明度信息信道的编码版本; 否则，选择第三编码（190）以产生形成频道中的所述透明度的编码版本，所述第三编码包括基于MPEG的编码。

    DEVICES AND METHOD FOR VIDEO ENCODING AND RECONSTRUCTION
    6.
    发明申请
    DEVICES AND METHOD FOR VIDEO ENCODING AND RECONSTRUCTION 审中-公开

    公开(公告)号：US20190007685A1

    公开(公告)日：2019-01-03

    申请号：US16064626

    申请日：2016-12-15

    Applicant: Alcatel-Lucent

    Inventor： Sammy Lievens ,  Donny Tytgat ,  Maarten Aerts ,  Jean-Francois Macq ,  Patrice Rondao Alface ,  Christoph Stevens

    IPC: H04N19/124 ,  H04N19/18 ,  H04N19/62 ,  H04N19/46

    Abstract: A transmitter for generating a set of encoded prioritized video streams from an incoming video stream (Vin) comprises: —a video decomposition module (VD) for decomposing said incoming video stream in at least two independent video components in spectral or time-spatial/spectral domain (Vd1, . . . , Vdn), —a compression module for compressing said at least two independent video components, thereby obtaining at least two compressed independent video components (Vde1, . . . , Vden), —a multi-stream packetization and prioritization module (MPP) for generating for each of said at least two compressed independent video components a respective set of packet streams in respective different qualities Vde1q1, . . . , Vde1q1, . . . , Vdenq1, . . . , Vdenq1), —a transmission rule engine (TRE) for determining and provision of respective compression parameters (prc) to be applied to the respective independent video components in said compression module, and for determining and provision of respective priority parameters (Pr) to said multi-stream packetization and prioritization module. A receiver for requesting at least two compressed independent video components, each of them in a respective requested quality (Vdeq1, Vdnqi), from such a transmitter (T) is disclosed as well.

    METHOD FOR ENCRYPTING OR DECRYPTING A 3D OBJECT
    7.
    发明申请
    METHOD FOR ENCRYPTING OR DECRYPTING A 3D OBJECT 审中-公开

    公开(公告)号：US20170169606A1

    公开(公告)日：2017-06-15

    申请号：US15117881

    申请日：2015-02-09

    Applicant: ALCATEL LUCENT

    Inventor： Patrice Rondao Alface

    IPC: G06T17/10 ,  H04N13/02 ,  G06F21/62 ,  G06T19/20 ,  H04L9/28 ,  G09C5/00

    CPC classification number: G06T17/10 ,  G06F21/6209 ,  G06T19/20 ,  G06T2210/12 ,  G06T2210/32 ,  G09C5/00 ,  H04N13/20

    Abstract: Embodiments relates to a method for encrypting a 3D object (O) defined at least by a set of first points (pi) and a set first of faces (F), contained in a bounding box (B), the method being executed by an encryption device and comprising: determining (S4) a set of second points (psi) by bijection of the set of first points (pi), and a second set of faces (Fs), determining (S5) an encrypted 3 D object (Os) defined at least by the set of second points (psi) and the second set of faces (Fs), wherein the first points (pi) are associated with respective first indexes (i), the second points (psi) are associated with respective second indexes (sj), and a face is specified by a list of indexes, wherein the encrypted 3D object (Os) is contained in said bounding box (B), the method further comprising: partitioning the bounding box (B) into a set of first sub-boxes (nj), determining a set of second sub-boxes (nsj) by bijection of the set of first sub-boxes (nj), in function of a secret key (k), wherein the position of a second point (psi) is (c) determined in function the position of the corresponding first point (pi), the position of the first sub-box (nj) containing the corresponding first point, and the position of the second sub-box (nsj) corresponding with said first sub-box (nj).

    ENCODER, DECODER, SYSTEM AND METHODS FOR VIDEO CODING
    8.
    发明申请
    ENCODER, DECODER, SYSTEM AND METHODS FOR VIDEO CODING 审中-公开
    编码器，解码器，视频编码系统和方法

    公开(公告)号：US20170026656A1

    公开(公告)日：2017-01-26

    申请号：US15212365

    申请日：2016-07-18

    Applicant: Alcatel Lucent

    Inventor： Maarten Aerts ,  Patrice Rondao Alface

    IPC: H04N19/36 ,  H04N19/17 ,  H04N19/23 ,  H04N19/167

    CPC classification number: H04N19/23 ,  H04N19/119 ,  H04N19/154 ,  H04N19/17 ,  H04N19/20

    Abstract: An encoder for encoding a video signal, comprising a video modelling module configured for determining a plurality of video modelling parameters for a plurality of video locations on a spatiotemporal grid of said video signal, said spatiotemporal grid comprising at least two spatial dimensions and a time dimension, each video modelling parameter being adapted for allowing a pre-determined video model to at least approximately reconstruct its video location, a video segmentation module configured for segmenting said video signal into a plurality of spatiotemporal video regions, based on said video modelling parameters and a vectorisation module configured for vectorising spatiotemporal surfaces of said spatiotemporal video regions; and wherein said encoder is configured for encoding said video signal based on at least a subset of said determined plurality of video modelling parameters and based on said vectorised spatiotemporal surfaces, wherein said subset is determined taking into account said spatiotemporal video regions.

    Abstract translation: 一种用于对视频信号进行编码的编码器，包括视频建模模块，被配置为为所述视频信号的时空网格上的多个视频位置确定多个视频建模参数，所述时空网格包括至少两个空间维度和时间维度 每个视频建模参数适于允许预定视频模型至少近似地重建其视频位置;视频分割模块，被配置为基于所述视频建模参数将所述视频信号分割成多个时空视频区域，以及 矢量化模块，被配置用于对所述时空视频区域的时空表示进行矢量化; 并且其中所述编码器被配置用于基于所述确定的多个视频建模参数的至少一个子集，并且基于所述向量化的时空表面对所述视频信号进行编码，其中，所述子集是考虑到所述时空视频区域而确定的。

Patent Agency Ranking