中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

103 records (took 0.023 seconds)

    Method and apparatus for detecting objects of interest in soccer video by color
    2.
    发明授权
    Method and apparatus for detecting objects of interest in soccer video by color 有权
    用于通过颜色检测足球视频中的感兴趣对象的方法和装置

    公开(公告)号：US08391547B2

    公开(公告)日：2013-03-05

    申请号：US12450410

    申请日：2007-11-06

    Applicant: Yu Huang ,  Joan Llach ,  Sitaram Bhagavathy

    Inventor： Yu Huang ,  Joan Llach ,  Sitaram Bhagavathy

    IPC: G06K9/00 ,  G06K9/34

    CPC classification number: G06K9/00711 ,  G06K9/44 ,  G06K9/4652

    Abstract: A method is disclosed for detecting and locating players in soccer video frames without errors caused by artifacts by a shape analysis-based approach to identify the players and the ball from roughly extracted foregrounds obtained by color segmentation and connected component analysis, by performing a Euclidean distance transform to extract skeletons for every foreground blob, by performing a shape analysis to remove false alarms (non-players and non-ball), and then by performing skeleton pruning and a reverse Euclidean distance transform to cut-off the artifacts primarily caused by playing field lines.

    Abstract translation: 公开了一种用于通过基于形状分析的方法来检测和定位足球视频帧中的玩家而产生错误的方法，以通过执行欧几里德距离从颜色分割和连接分量分析获得的粗略提取的前景识别玩家和球， 通过执行形状分析来消除假警报（非玩家和非球），然后通过执行骨架修剪和反向欧几里得距离变换来截取主要由玩耍造成的伪影，从而转换为每个前景斑点提取骨架 现场线。

    METHOD AND APPARATUS FOR DETECTING OBJECTS OF INTEREST IN SOCCER VIDEO BY COLOR
    4.
    发明申请
    METHOD AND APPARATUS FOR DETECTING OBJECTS OF INTEREST IN SOCCER VIDEO BY COLOR 有权
    用于通过颜色检测摄像机视频中的兴趣对象的方法和装置

    公开(公告)号：US20100098307A1

    公开(公告)日：2010-04-22

    申请号：US12450410

    申请日：2007-11-06

    Applicant: Yu Huang ,  Joan Llach ,  Sitaram Bhagavathy

    Inventor： Yu Huang ,  Joan Llach ,  Sitaram Bhagavathy

    IPC: G06K9/62

    CPC classification number: G06K9/00711 ,  G06K9/44 ,  G06K9/4652

    Abstract: A method is disclosed for detecting and locating players in soccer video frames without errors caused by artifacts by a shape analysis-based approach to identify the players and the ball from roughly extracted foregrounds obtained by color segmentation and connected component analysis, by performing a Euclidean distance transform to extract skeletons for every foreground blob, by performing a shape analysis to remove false alarms (non-players and non-ball), and then by performing skeleton pruning and a reverse Euclidean distance transform to cut-off the artifacts primarily caused by playing field lines.

    Abstract translation: 公开了一种用于通过基于形状分析的方法来检测和定位足球视频帧中的玩家而产生错误的方法，以通过执行欧几里德距离从颜色分割和连接分量分析获得的大致提取的前景识别玩家和球， 通过执行形状分析来消除假警报（非玩家和非球），然后通过执行骨架修剪和反向欧几里得距离变换来截取主要由玩耍造成的伪影，从而转换为每个前景斑点提取骨架 现场线。

    HUMAN INTERACTION TRAJECTORY-BASED SYSTEM
    5.
    发明申请
    HUMAN INTERACTION TRAJECTORY-BASED SYSTEM 有权
    人际交往路线系统

    公开(公告)号：US20120263437A1

    公开(公告)日：2012-10-18

    申请号：US13516228

    申请日：2010-12-10

    Applicant: Jesus Barcons-Palau ,  Sitaram Bhagavathy ,  Joan Llach ,  Dong-Qing Zhang

    Inventor： Jesus Barcons-Palau ,  Sitaram Bhagavathy ,  Joan Llach ,  Dong-Qing Zhang

    IPC: H04N9/80

    CPC classification number: G06K9/00711 ,  G06K9/00335 ,  G06K9/00724 ,  G06K9/033 ,  G06T7/246 ,  G06T2207/10016 ,  G06T2207/30228 ,  G06T2207/30241

    Abstract: A method and associated apparatus for using a trajectory-based technique to detect a moving object in a video sequence at incorporates human interaction through a user interface. The method comprises steps of identifying and evaluating sets of connected components in a video frame, filtering the list of connected components by comparing features of the connected components to predetermined criteria, identifying candidate trajectories across multiple frames, evaluating the candidate trajectories to determine a selected trajectory, eliminating incorrect trajectories through use of the interface and processing images in said video sequence responsive to the evaluating and eliminating steps.

    Abstract translation: 一种用于使用基于轨迹的技术来检测视频序列中的移动对象的方法和相关联的装置，其通过用户界面并入人类交互。 该方法包括以下步骤：识别和评估视频帧中的连接分量集合，通过将所连接分量的特征与预定标准进行比较来过滤所连接分量的列表，识别跨多个帧的候选轨迹，评估候选轨迹以确定所选择的轨迹 通过使用界面消除不正确的轨迹，并响应于评估和消除步骤来处理所述视频序列中的图像。

    REDUCING CONTOURS IN DIGITAL IMAGES
    6.
    发明申请
    REDUCING CONTOURS IN DIGITAL IMAGES 有权
    减少数字图像中的轮廓

    公开(公告)号：US20090304270A1

    公开(公告)日：2009-12-10

    申请号：US12449046

    申请日：2008-01-18

    Applicant: Sitaram Bhagavathy ,  Joan Llach ,  Jie fu Zhai

    Inventor： Sitaram Bhagavathy ,  Joan Llach ,  Jie fu Zhai

    IPC: G06K9/00 ,  G06K9/40

    CPC classification number: G06T5/002 ,  G06T2207/10024 ,  H04N1/409

    Abstract: One or more implementations access a digital image containing one or more bands. Adjacent bands of the one or more bands have a difference in color resulting in a contour between the adjacent bands. The one or more implementations apply an algorithm to at least a portion of the digital image for reducing visibility of a contour. The algorithm is based on a value representing the fraction of pixels in a region of the digital image having a particular color value.

    Abstract translation: 一个或多个实现访问包含一个或多个频带的数字图像。 一个或多个频带的相邻频带具有不同的颜色，导致相邻频带之间的轮廓。 所述一个或多个实现将算法应用于数字图像的至少一部分，以减少轮廓的可视性。 该算法基于表示具有特定颜色值的数字图像的区域中的像素的分数的值。

    Adaptive pixel-based filtering
    7.
    发明申请
    Adaptive pixel-based filtering 有权
    自适应基于像素的滤波

    公开(公告)号：US20090278988A1

    公开(公告)日：2009-11-12

    申请号：US12308914

    申请日：2006-06-29

    Applicant: Sitaram Bhagavathy ,  Joan Llach

    Inventor： Sitaram Bhagavathy ,  Joan Llach

    IPC: H04N5/222

    CPC classification number: H04N5/21 ,  G06T5/002 ,  G06T5/20 ,  G06T5/50 ,  G06T2207/10016 ,  G06T2207/20182 ,  H04N19/105 ,  H04N19/117 ,  H04N19/162 ,  H04N19/182 ,  H04N19/537 ,  H04N19/593 ,  H04N19/86

    Abstract: In an implementation, a pixel is selected from a target digital image. Multiple candidate pixels, from one or more digital images, are evaluated based on values of the multiple candidate pixels. For the selected pixel, a corresponding set of pixels is determined from the multiple candidate pixels based on the evaluations of the multiple candidate pixels and on whether a predetermined threshold number of pixels have been included in the corresponding set. Further for the selected pixel, a substitute value is determined based on the values of the pixels in the corresponding set of pixels. Various implementations described provide adaptive pixel-based spatio-temporal filtering of images or video to reduce film grain or noise. Implementations may achieve an “even” amount of noise reduction at each pixel while preserving as much picture detail as possible by, for example, averaging each pixel with a constant number, N, of temporally and/or spatially correlated pixels.

    Abstract translation: 在实现中，从目标数字图像中选择像素。 基于多个候选像素的值来评估来自一个或多个数字图像的多个候选像素。 对于所选择的像素，基于多个候选像素的评估以及相应组中是否包括预定阈值数量的像素，从多个候选像素确定相应的像素集合。 此外，对于所选择的像素，基于相应像素集合中的像素的值来确定替代值。 所描述的各种实现提供了对图像或视频的自适应基于像素的时空滤波以减少胶片颗粒或噪声。 实施方式可以在每个像素处实现“均匀”的噪声降低量，同时通过例如使用恒定数量N对时间和/或空间相关像素对每个像素进行平均，尽可能地保留尽可能多的图像细节。

    VIEW SYNTHESIS WITH HEURISTIC VIEW MERGING
    9.
    发明申请
    VIEW SYNTHESIS WITH HEURISTIC VIEW MERGING 审中-公开
    查看合成与视觉合并

    公开(公告)号：US20110148858A1

    公开(公告)日：2011-06-23

    申请号：US12737873

    申请日：2009-08-28

    Applicant: Zefeng Ni ,  Dong Tian ,  Sitaram Bhagavathy ,  Joan Llach

    Inventor： Zefeng Ni ,  Dong Tian ,  Sitaram Bhagavathy ,  Joan Llach

    IPC: H04N13/00

    CPC classification number: H04N13/128 ,  H04N13/111 ,  H04N2213/003 ,  H04N2213/005

    Abstract: Several implementations relate to view synthesis with heuristic view merging for 3D Video (3DV) applications. According to one aspect, a first candidate pixel from a first warped reference view and a second candidate pixel from a second warped reference view are assessed based on at least one of a backward synthesis process to assess a quality of the first and second candidate pixels, a hole distribution around the first and second candidate pixels, or on an amount of energy around the first and second candidate pixels above a specified frequency. The assessing occurs as part of merging at least the first and second warped reference views into a signal synthesized view. Based on the assessing, a result is determined for a given target pixel in the single synthesized view. The result may be determining a value for the given target pixel, or marking the given target pixel as a hole.

    Abstract translation: 几个实现涉及用于3D视频（3DV）应用的启发式视图合并的视图合成。 根据一个方面，基于评估第一和第二候选像素的质量的后向合成过程中的至少一个来评估来自第一翘曲参考视图的第一候选像素和来自第二翘曲参考视图的第二候选像素， 围绕第一和第二候选像素的孔分布，或者围绕指定频率之上的第一和第二候选像素周围的能量量。 评估是将至少第一和第二翘曲参考视图合并为信号合成视图的一部分。 基于评估，在单个合成视图中为给定目标像素确定结果。 结果可能是确定给定目标像素的值，或将给定的目标像素标记为孔。

Patent Agency Ranking