AUTHENTICATION METHOD FOR AUTHENTICATING A FIRST PARTY TO A SECOND PARTY
    1.
    发明申请
    AUTHENTICATION METHOD FOR AUTHENTICATING A FIRST PARTY TO A SECOND PARTY 审中-公开
    第一方认证第一方的认证方法

    公开(公告)号:US20140053279A1

    公开(公告)日:2014-02-20

    申请号:US14062007

    申请日:2013-10-24

    Abstract: This invention relates to an authentication method for authenticating a first party to a second party, where an operation is performed on condition that the authentication succeeds. If the first party is not authenticated, then if the first party qualifies for a sub-authorization, the operation is still performed. Further, a device that comprises a first memory area holding a comparison measure, which is associated with time, and which is also used in said authentication procedure, a second memory area holding a limited list of other parties which have been involved in an authentication procedure with the device, and a third memory area, holding compliance certificates concerning parties of said list.

    Abstract translation: 本发明涉及用于认证第二方的第一方的认证方法,其中在认证成功的条件下执行操作。 如果第一方未通过身份验证,则如果第一方符合子授权,则仍执行该操作。 此外,包括保持与时间相关并且也用于所述认证过程的比较测量的第一存储区域的设备存储已经参与认证过程的其他方的有限列表的第二存储区域 与该设备和第三存储器区域,保存关于所述列表的各方的合规性证书。

    Switching between 3D and 2D video

    公开(公告)号:US10419740B2

    公开(公告)日:2019-09-17

    申请号:US15898749

    申请日:2018-02-19

    Abstract: A three dimensional [3D] video signal is processed in a video device (50). The device has generating means (52) for generating an output signal for transferring the video data via a high-speed digital interface like HDMI to a 3D display, which selectively generate a 3D display signal for displaying the 3D video data on a 3D display operative in a 3D mode, a 2D display signal for displaying 2D video data on the 3D display operative in a 2D mode, or a pseudo 2D display signal by including 2D video data in the output signal for displaying the 2D video data on the 3D display operative in the 3D mode. Processing means (53) detect a request to display 2D video data on the 3D display, while the 3D display is operative in the 3D mode, and, in response to the detection, the generating means are set to generate the pseudo 2D display signal for maintaining the 3D mode of the 3D display.

    Graphics-safe HDR image luminance re-grading

    公开(公告)号:US11151962B2

    公开(公告)日:2021-10-19

    申请号:US16642958

    申请日:2018-09-04

    Abstract: To allow pragmatic insertion of secondary images by an apparatus connected to the final display we invented an image processing apparatus (301, 501) with an output image connection (506) for connection to a display (550), and an input (510) for receiving an input image (IM) and metadata specifying at least one luminance mapping function (F_Lt), which luminance mapping function specifies the relationship between luminances in the input image and a second image with an at least 6 times higher or lower maximum luminance, and comprising a graphics generation unit (502) arranged to determine a secondary image (IMG), and an image composition unit (504) arranged to compose an output image (IMC) on the basis of the pixel colors of the input image and of the secondary image, characterized in that the image processing apparatus comprises a luminance function selection unit (505), which is arranged to output to a metadata output (507) a copy of the at least one luminance mapping function (F_Lt) in case no secondary image colors arc mixed with the input image, and which is arranged to output a predetermined mapping function (F3) in case the output image is not identical to the input image because some pixel colors of the secondary image have been used to change the input image colors.

    DEPTH HELPER DATA
    6.
    发明申请
    DEPTH HELPER DATA 有权
    深度帮助数据

    公开(公告)号:US20150085070A1

    公开(公告)日:2015-03-26

    申请号:US14387775

    申请日:2013-04-05

    Abstract: A hybrid transmission/auto-conversion 3D format and scheme for transmission of 3D data towards various types of 3D displays is described. In the decoder (20) a stereo-to-depth convertor (24) generates a depth map. In the 3D video signal additional depth information called depth helper data (DH-bitstr) is sparsely transmitted both in time (partial depths in time) and/or spatially (partial depth within the frames). A depth switcher (25) selects the partial depths based on an explicit or implicit mechanism for indicating when these are to be used or when the depths must be automatically generated locally. Advantageously disturbing depth errors due to said stereo-to-depth convertor are reduced by the depth helper data.

    Abstract translation: 描述了用于向各种类型的3D显示器传输3D数据的混合传输/自动转换3D格式和方案。 在解码器(20)中,立体 - 深度转换器(24)生成深度图。 在3D视频信号中,称为深度辅助数据(DH-bitstr)的附加深度信息在时间上(部分深度时间)和/或空间(帧内的部分深度)被稀疏地传输。 深度切换器(25)基于显式或隐式机制来选择部分深度,用于指示何时使用这些或何时深度必须在本地自动生成。 由于所述立体声到深度转换器的有利的干扰深度误差由深度辅助器数据减少。

    DEPTH SIGNALING DATA
    7.
    发明申请
    DEPTH SIGNALING DATA 审中-公开
    深度信号数据

    公开(公告)号:US20150062296A1

    公开(公告)日:2015-03-05

    申请号:US14391415

    申请日:2013-04-10

    Abstract: A 3D video system for transmission of 3D data towards various types of 3D displays is described. A 3D source device (40) provides a three dimensional [3D] video signal (41) to a 3D destination device (50). The 3D destination device receives the 3D video signal, and has a destination depth processor (52) for providing a destination depth map for enabling warping of views for the 3D display. The 3D source device generates depth signaling data, which represents depth processing conditions for adapting, to the 3D display, the destination depth map or the warping of views. The 3D video signal contains the depth signaling data. The destination depth processor adapts, to the 3D display, the destination depth map or the warping of views in dependence on the depth signaling data. The depth signaling data enables the rendering process to get better results out of the depth data for the actual 3D display.

    Abstract translation: 描述了用于将3D数据传送到各种类型的3D显示器的3D视频系统。 3D源设备(40)向3D目的地设备(50)提供三维[3D]视频信号(41)。 3D目标设备接收3D视频信号,并且具有目的地深度处理器(52),用于提供目的地深度图,以使得能够对3D显示的视图进行翘曲。 3D源设备生成深度信号数据,其表示用于适应3D显示,目的地深度图或视图翘曲的深度处理条件。 3D视频信号包含深度信号数据。 目的地深度处理器根据深度信令数据适应3D显示,目的地深度图或视图的翘曲。 深度信号数据使渲染过程能够从实际3D显示的深度数据中获得更好的结果。

    Depth helper data
    9.
    发明授权
    Depth helper data 有权
    深度帮助数据

    公开(公告)号:US09584794B2

    公开(公告)日:2017-02-28

    申请号:US14387775

    申请日:2013-04-05

    Abstract: A hybrid transmission/auto-conversion 3D format and scheme for transmission of 3D data towards various types of 3D displays is described. In the decoder (20) a stereo-to-depth convertor (24) generates a depth map. In the 3D video signal additional depth information called depth helper data (DH-bitstr) is sparsely transmitted both in time (partial depths in time) and/or spatially (partial depth within the frames). A depth switcher (25) selects the partial depths based on an explicit or implicit mechanism for indicating when these are to be used or when the depths must be automatically generated locally. Advantageously disturbing depth errors due to said stereo-to-depth convertor are reduced by the depth helper data.

    Abstract translation: 描述了用于向各种类型的3D显示器传输3D数据的混合传输/自动转换3D格式和方案。 在解码器(20)中,立体 - 深度转换器(24)生成深度图。 在3D视频信号中,称为深度辅助数据(DH-bitstr)的附加深度信息在时间上(部分时间深度)和/或空间(帧内部分深度)被稀疏地传输。 深度切换器(25)基于显式或隐式机制来选择部分深度,用于指示何时使用这些或何时深度必须在本地自动生成。 由于所述立体声到深度转换器的有利的干扰深度误差由深度辅助器数据减少。

    System for handling multiple HDR video formats

    公开(公告)号:US11445219B2

    公开(公告)日:2022-09-13

    申请号:US16968625

    申请日:2019-02-05

    Abstract: Because there are currently probably more than necessary different HDR video coding methods appearing, it is expected that practical communicated HDR videos may in several future scenarios consist of a complicated mix of differently encoded HDR video segments, which may be difficult to decode unless one has our presently presented video decoder (341) arranged to decode a high dynamic range video consisting of temporally successive images, in which the video is composed of successive time segments (S1, S2) consisting of a number of temporally successive images (I1, I2) which have pixel colors, which pixel colors in different time segments are defined by having lumas corresponding to pixel luminances according to different electro-optical transfer functions (EOTF), wherein the images in some of the segments are defined according to dynamically changeable electro-optical transfer functions which are transmitted as a separate function for each temporally successive image, and wherein the images in other segments have lumas defined by a fixed electro-optical transfer function, of which the information is co-communicated in data packages (DRAM) which are transmitted less frequently than the image repetition rate, and wherein at least one of said data packages (DRAM) characterizing the electro-optical transfer function of the image pixel lumas after a moment of change (t1) between a first and a second segment is transmitted prior to the moment of change (t1); and similarly a corresponding encoder which composes the segmented video stream assuring that at least one correct package (DRAM) describing the EOTF according to which the lumas of a later video segment is coded is received by receivers before the change to a different HDR encoding method segment.

Patent Agency Ranking