Mesh for rendering an image frame
    1.
    发明授权
    Mesh for rendering an image frame 失效
    用于渲染图像帧的网格

    公开(公告)号:US07854518B2

    公开(公告)日:2010-12-21

    申请号:US11455306

    申请日:2006-06-16

    CPC分类号: H04N9/3194 H04N9/3147

    摘要: A method includes generating a first plurality of meshes configured to map a first domain associated with a display surface having a plurality of fiducial marks to a second domain associated with a image capture device configured to capture a first image of the display surface, generating a second plurality of meshes configured to map the second domain to a third domain associated with a first projector configured to display a second image onto the display surface, and generating a first mesh configured to map the first domain to the third domain in conjunction with a second mesh using the first plurality of meshes and the second plurality of meshes.

    摘要翻译: 一种方法包括生成第一多个网格,其被配置为将与具有多个基准标记的显示表面相关联的第一域映射到与被配置为捕获显示表面的第一图像的图像捕获设备相关联的第二域, 多个网格被配置为将第二域映射到与被配置为在显示表面上显示第二图像的第一投影仪相关联的第三域,以及生成配置为将第一域映射到第三域的第一网格以及第二网格 使用所述第一多个网格和所述第二多个网格。

    Mesh for rendering an image frame
    2.
    发明申请
    Mesh for rendering an image frame 失效
    用于渲染图像帧的网格

    公开(公告)号:US20070291233A1

    公开(公告)日:2007-12-20

    申请号:US11455306

    申请日:2006-06-16

    IPC分类号: G03B21/26

    CPC分类号: H04N9/3194 H04N9/3147

    摘要: A method includes generating a first plurality of meshes configured to map a first domain associated with a display surface having a plurality of fiducial marks to a second domain associated with a image capture device configured to capture a first image of the display surface, generating a second plurality of meshes configured to map the second domain to a third domain associated with a first projector configured to display a second image onto the display surface, and generating a first mesh configured to map the first domain to the third domain in conjunction with a second mesh using the first plurality of meshes and the second plurality of meshes.

    摘要翻译: 一种方法包括生成第一多个网格,其被配置为将与具有多个基准标记的显示表面相关联的第一域映射到与被配置为捕获显示表面的第一图像的图像捕获设备相关联的第二域, 多个网格被配置为将第二域映射到与被配置为在显示表面上显示第二图像的第一投影仪相关联的第三域,以及生成配置为将第一域映射到第三域的第一网格以及第二网格 使用所述第一多个网格和所述第二多个网格。

    System and method for generating scale maps
    3.
    发明申请
    System and method for generating scale maps 失效
    用于生成比例图的系统和方法

    公开(公告)号:US20070291047A1

    公开(公告)日:2007-12-20

    申请号:US11455303

    申请日:2006-06-16

    IPC分类号: G09G5/02

    摘要: A method includes determining a first blend map for a first projector, the first blend map including a first plurality of attenuation factors corresponding to a region of overlap between first and second images projected by the first projector and a second projector, respectively, on a display surface, applying the first blend map to a white level measurement map that includes a plurality of white level measurement values measured from a first plurality of captured images, applying a smoothing function to the white level measurement map to generate a white level target map, and determining a scale map for the first projector from the white level measurement map and the white level target map.

    摘要翻译: 一种方法包括确定用于第一投影仪的第一混合图,所述第一混合图包括分别对应于第一投影仪投影的第一和第二图像与第二投影仪之间的重叠区域的第一多个衰减因子, 将第一混合图应用于包括从第一多个捕获图像测量的多个白电平测量值的白电平测量图,将平滑函数应用于白电平测量图以产生白电平目标图,以及 从白电平测量图和白电平目标图确定第一投影仪的比例图。

    System and method for generating scale maps
    4.
    发明授权
    System and method for generating scale maps 失效
    用于生成比例图的系统和方法

    公开(公告)号:US07800628B2

    公开(公告)日:2010-09-21

    申请号:US11455303

    申请日:2006-06-16

    IPC分类号: G09G5/02

    摘要: A method includes determining a first blend map for a first projector, the first blend map including a first plurality of attenuation factors corresponding to a region of overlap between first and second images projected by the first projector and a second projector, respectively, on a display surface, applying the first blend map to a white level measurement map that includes a plurality of white level measurement values measured from a first plurality of captured images, applying a smoothing function to the white level measurement map to generate a white level target map, and determining a scale map for the first projector from the white level measurement map and the white level target map.

    摘要翻译: 一种方法包括确定用于第一投影仪的第一混合图,所述第一混合图包括分别对应于第一投影仪投影的第一和第二图像与第二投影仪之间的重叠区域的第一多个衰减因子, 将第一混合图应用于包括从第一多个捕获图像测量的多个白电平测量值的白电平测量图,将平滑函数应用于白电平测量图以产生白电平目标图,以及 从白电平测量图和白电平目标图确定第一投影仪的比例图。

    MESHES FOR SEPARATELY MAPPING COLOR BANDS
    5.
    发明申请
    MESHES FOR SEPARATELY MAPPING COLOR BANDS 审中-公开
    用于单独映射彩色纸带的纸张

    公开(公告)号:US20090195758A1

    公开(公告)日:2009-08-06

    申请号:US12023938

    申请日:2008-01-31

    IPC分类号: G03B21/14

    摘要: A method includes generating a first plurality of meshes configured to map a first domain associated with a display surface to a second domain associated with an image capture device configured to capture a first image of the display surface, and generating a second plurality of meshes configured to map the second domain to a third domain associated with a first projector configured to display a second image onto the display surface. A third plurality of meshes is generated using the first plurality of meshes and the second plurality of meshes. The third plurality of meshes is configured to separately map a plurality of color bands between the first domain and the third domain.

    摘要翻译: 一种方法包括生成被配置为将与显示表面相关联的第一域映射到与被配置为捕获显示表面的第一图像的图像捕获设备相关联的第二域的第一多个网格,以及生成被配置为 将第二域映射到与配置为在显示表面上显示第二图像的第一投影仪相关联的第三域。 使用第一多个网格和第二多个网格来生成第三多个网格。 第三多个网格被配置为在第一域和第三域之间分别映射多个色带。

    SYSTEM AND METHOD FOR VIDEO FRAME SEQUENCE CONTROL
    6.
    发明申请
    SYSTEM AND METHOD FOR VIDEO FRAME SEQUENCE CONTROL 有权
    视频帧序列控制的系统和方法

    公开(公告)号:US20140375664A1

    公开(公告)日:2014-12-25

    申请号:US14373512

    申请日:2012-02-28

    IPC分类号: H04N5/235 H04N5/04 G09G5/39

    摘要: A video sequence control system that includes an input video frame buffer and an output video frame selection component is described. The input video frame buffer receives input video frames from a video source. The output video frame selection component determines the video frame to be output according to a scheduler that provides timing information and modulation information. The timing information includes information regarding when a video frame will be output. The modulation information varies dependent upon the frame types available to be output, wherein the available frame types include at least image frames from the input video frame buffer and functional frames, wherein the at least image frames and functional frames are output according to a pattern defined by the scheduler. In addition based on the timing information, a synchronization output signal is output corresponding to the output of the functional frame.

    摘要翻译: 描述了包括输入视频帧缓冲器和输出视频帧选择部件的视频序列控制系统。 输入视频帧缓冲器从视频源接收输入视频帧。 输出视频帧选择部件根据提供定时信息和调制信息的调度器确定要输出的视频帧。 定时信息包括关于何时输出视频帧的信息。 调制信息取决于可用于输出的帧类型,其中可用帧类型至少包括来自输入视频帧缓冲器和功能帧的图像帧,其中,至少图像帧和功能帧根据定义的模式被输出 由调度程序。 此外,基于定时信息,对应于功能帧的输出输出同步输出信号。

    VIDEO CONFERENCE
    7.
    发明申请
    VIDEO CONFERENCE 有权
    视频会议

    公开(公告)号:US20120026277A1

    公开(公告)日:2012-02-02

    申请号:US13260343

    申请日:2009-06-04

    IPC分类号: H04N7/14

    CPC分类号: H04N7/15 H04N7/147

    摘要: A method to present participants in a video conference including determining a participant distance and aligning a region of interest on the participant using one or more depth cameras, creating a cropped video stream of the participant by cropping the region of interest from a video stream of the participant, and arranging the cropped video stream of the participant with additional cropped video streams of additional participants for display in the video conference.

    摘要翻译: 一种提供视频会议中的参与者的方法,包括使用一个或多个深度相机来确定参与者的距离并使所述参与者的兴趣区域对准,通过从所述视频流的视频流中剪切所述感兴趣的区域来创建所述参与者的裁剪的视频流 参与者,并安排参与者的剪切视频流,附加剪辑的附加参与者的视频流,以在视频会议中显示。

    IMAGE MATTING
    8.
    发明申请
    IMAGE MATTING 失效
    图像匹配

    公开(公告)号:US20100254598A1

    公开(公告)日:2010-10-07

    申请号:US12418538

    申请日:2009-04-03

    IPC分类号: G06K9/34 G06K9/20

    CPC分类号: H04N9/75 G06T11/001 H04N9/74

    摘要: An alpha matte is generated from image forming elements of an image. For each of one or more of the image forming elements: a respective representative foreground value is determined from one or more of the image forming element values; the respective representative foreground value and the value of the image forming element are normalized with respect to a threshold level; and a respective value of the alpha matte is generated from an evaluation of the normalized image forming element value in relation to the normalized representative foreground value.

    摘要翻译: 从图像的图像形成元素生成α无光泽。 对于一个或多个图像形成元件中的每一个,从一个或多个图像形成元件值确定相应的代表性前景值; 各个代表性前景值和图像形成元件的值相对于阈值水平被归一化; 并且从归一化图像形成元素值的相对于归一化代表性前景值的评估生成α蒙板的相应值。

    Geometric and photometric calibration of cameras
    9.
    发明授权
    Geometric and photometric calibration of cameras 有权
    相机的几何和光度校准

    公开(公告)号:US07038712B1

    公开(公告)日:2006-05-02

    申请号:US10124912

    申请日:2002-04-18

    IPC分类号: H04N5/232

    CPC分类号: H04N5/222

    摘要: A method for calibrating a camera including determining a model for associating a point of an image scene to a point of an imaging surface of the camera. The calibration method further includes determining a set of initial estimates for a set of parameters of the model and then refining the parameters in response to a set of image data of the image scene acquired by the camera.

    摘要翻译: 一种用于校准相机的方法,包括确定用于将图像场景的点与相机的成像表面的点相关联的模型。 所述校准方法还包括确定所述模型的一组参数的初始估计集合,然后响应于由所述摄像机获取的图像场景的一组图像数据而改进所述参数。

    Focus-based touch and hover detection
    10.
    发明授权
    Focus-based touch and hover detection 有权
    基于焦点的触摸和悬停检测

    公开(公告)号:US09477348B2

    公开(公告)日:2016-10-25

    申请号:US13088152

    申请日:2011-04-15

    IPC分类号: G06F3/02 G06F3/042

    CPC分类号: G06F3/0425

    摘要: Embodiments of the present invention disclose a system and method for focus-based touch detection. According to one embodiment, a reference pattern is formed on a surface and an imaging device is configured to detect the reference pattern and the presence of an object within proximity of a contact area of the surface. Furthermore, focus information associated with the reference pattern and/or object is used to determine if the detected object is touching or hovering said contact area.

    摘要翻译: 本发明的实施例公开了一种用于基于焦点的触摸检测的系统和方法。 根据一个实施例,在表面上形成参考图案,并且成像装置被配置为检测参考图案和物体在表面的接触区域附近的存在。 此外,使用与参考图案和/或对象相关联的焦点信息来确定检测到的物体是否接触或悬停所述接触区域。