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    • 1. 发明授权
    • Clustering videos by location
    • 按位置分组视频
    • US08184913B2
    • 2012-05-22
    • US12416152
    • 2009-04-01
    • Simon J. BakerCharles Lawrence Zitnick, IIIGerhard Florian Schroff
    • Simon J. BakerCharles Lawrence Zitnick, IIIGerhard Florian Schroff
    • G06K9/68
    • G06K9/00718G06F17/30781G06F17/3082G06K9/6219Y02D10/45
    • Described is a technology in which video shots are clustered based upon the location at which the shots were captured. A global energy function is optimized, including a first term that computes clusters so as to be reasonably dense and well connected, to match the possible shots that are captured at a location, e.g., based on similarity scores between pairs of shots. A second term is a temporal prior that encourages subsequent shots to be placed in the same cluster. The shots may be represented as nodes of a minimum spanning tree having edges with weights that are based on the similarity score between the shots represented by their respective nodes. Agglomerative clustering is performed by selecting pairs of available clusters, merging the pairs and keeping the pair with the lowest cost. Clusters are iteratively merged until a stopping criterion or criteria is met (e.g., only a single cluster remains).
    • 描述了一种基于拍摄拍摄位置来进行视频拍摄的技术。 优化了全局能量函数,包括计算集群以便相当密集和良好连接的第一项,以匹配在某个位置捕获的可能的拍摄,例如,基于拍摄对之间的相似性得分。 第二个术语是时间先前,鼓励后续的镜头被放置在同一个集群中。 拍摄可以被表示为具有基于由它们各自的节点表示的拍摄之间的相似性得分的权重的边缘的最小生成树的节点。 通过选择成对的可用集群,合并对并保持成本最低的组合来执行集群聚类。 集群被迭代合并,直到满足停止标准或条件(例如,仅剩下一个集群)。
    • 2. 发明申请
    • CLUSTERING VIDEOS BY LOCATION
    • 按地点分组视频
    • US20100254614A1
    • 2010-10-07
    • US12416152
    • 2009-04-01
    • Simon J. BakerCharles Lawrence Zitnick, IIIGerhard Florian Schroff
    • Simon J. BakerCharles Lawrence Zitnick, IIIGerhard Florian Schroff
    • G06K9/68
    • G06K9/00718G06F17/30781G06F17/3082G06K9/6219Y02D10/45
    • Described is a technology in which video shots are clustered based upon the location at which the shots were captured. A global energy function is optimized, including a first term that computes clusters so as to be reasonably dense and well connected, to match the possible shots that are captured at a location, e.g., based on similarity scores between pairs of shots. A second term is a temporal prior that encourages subsequent shots to be placed in the same cluster. The shots may be represented as nodes of a minimum spanning tree having edges with weights that are based on the similarity score between the shots represented by their respective nodes. Agglomerative clustering is performed by selecting pairs of available clusters, merging the pairs and keeping the pair with the lowest cost. Clusters are iteratively merged until a stopping criterion or criteria is met (e.g., only a single cluster remains).
    • 描述了一种基于拍摄拍摄位置来进行视频拍摄的技术。 优化了全局能量函数,包括计算集群以便相当密集和良好连接的第一项,以匹配在某个位置捕获的可能的拍摄,例如,基于拍摄对之间的相似性得分。 第二个术语是时间先前,鼓励后续的镜头被放置在同一个集群中。 拍摄可以被表示为具有基于由它们各自的节点表示的拍摄之间的相似性得分的权重的边缘的最小生成树的节点。 通过选择成对的可用集群,合并对并保持成本最低的组合来执行集群聚类。 集群被迭代合并,直到满足停止标准或条件(例如,仅剩下一个集群)。
    • 4. 发明授权
    • Reducing motion-related artifacts in rolling shutter video information
    • 滚动快门视频信息中减少与运动相关的人为因素
    • US08358359B2
    • 2013-01-22
    • US12690929
    • 2010-01-21
    • Simon J. BakerEric P. BennettSing Bing KangRichard Szeliski
    • Simon J. BakerEric P. BennettSing Bing KangRichard Szeliski
    • H04N5/217H04N11/00H04N7/00G06K9/40
    • G06T5/003G06T2207/20201
    • A system is described for reducing artifacts produced by a rolling shutter capture technique in the presence of high-frequency motion, e.g., produced by large accelerations or jitter. The system operates by computing low-frequency information based on the motion of points from one frame to the next. The system then uses the low-frequency information to infer the high-frequency motion, e.g., by treating the low-frequency information as known integrals of the unknown underlying high-frequency information. The system then uses the high-frequency information to reduce the presence of artifacts. In effect, the correction aims to re-render video information as though all the pixels in each frame were imaged at the same time using a global shutter technique. An auto-calibration module can estimate the value of a capture parameter, which relates to a time interval between the capture of two subsequent rows of video information.
    • 描述了一种用于在存在高频运动(例如由大的加速度或抖动产生的)的情况下减少由快门拍摄技术产生的假象的系统。 该系统通过基于从一帧到下一帧的点的运动来计算低频信息来进行操作。 然后,系统使用低频信息来推断高频运动,例如通过将低频信息作为未知底层高频信息的已知积分来处理。 然后,系统使用高频信息来减少伪像的存在。 实际上,校正旨在重新渲染视频信息,就像使用全局快门技术同时成像每个帧中的所有像素一样。 自动校准模块可以估计捕获参数的值,其涉及捕获两个后续行的视频信息之间的时间间隔。
    • 5. 发明申请
    • Reducing Motion-Related Artifacts in Rolling Shutter Video Information
    • 减少滚动快门视频信息中的运动相关人工制品
    • US20110176043A1
    • 2011-07-21
    • US12690929
    • 2010-01-21
    • Simon J. BakerEric P. BennettSing Bing KangRichard Szeliski
    • Simon J. BakerEric P. BennettSing Bing KangRichard Szeliski
    • H04N5/335
    • G06T5/003G06T2207/20201
    • A system is described for reducing artifacts produced by a rolling shutter capture technique in the presence of high-frequency motion, e.g., produced by large accelerations or jitter. The system operates by computing low-frequency information based on the motion of points from one frame to the next. The system then uses the low-frequency information to infer the high-frequency motion, e.g., by treating the low-frequency information as known integrals of the unknown underlying high-frequency information. The system then uses the high-frequency information to reduce the presence of artifacts. In effect, the correction aims to re-render video information as though all the pixels in each frame were imaged at the same time using a global shutter technique. An auto-calibration module can estimate the value of a capture parameter, which relates to a time interval between the capture of two subsequent rows of video information.
    • 描述了一种用于在存在高频运动(例如由大的加速度或抖动产生的)的情况下减少由快门拍摄技术产生的假象的系统。 该系统通过基于从一帧到下一帧的点的运动来计算低频信息来进行操作。 然后,系统使用低频信息来推断高频运动,例如通过将低频信息作为未知底层高频信息的已知积分来处理。 然后,系统使用高频信息来减少伪像的存在。 实际上,校正旨在重新渲染视频信息,就像使用全局快门技术同时成像每个帧中的所有像素一样。 自动校准模块可以估计捕获参数的值,其涉及捕获两个后续行的视频信息之间的时间间隔。