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    • 1. 发明申请
    • Method for Detecting Objects Left-Behind in a Scene
    • 检测场景中左后方的对象的方法
    • US20080247599A1
    • 2008-10-09
    • US11697052
    • 2007-04-05
    • Fatih M. PorikliYuri A. Ivanov
    • Fatih M. PorikliYuri A. Ivanov
    • G06K9/74
    • G06K9/00771
    • A method detects an object left-behind in a scene by updating a set of background models using a sequence of images acquired of the scene by a camera. Each background model is updated at a different temporal scales ranging from short term to long term. A foreground mask is determined from each background model after the updating for a particular image of the sequence. A motion image is updated from the set of foreground masks. In the motion, image, each pixel has an associated evidence value. The evidence values are compared with a evidence threshold to detect and signal an object left behind in the scene.
    • 一种方法通过使用由相机拍摄的场景的图像序列来更新一组背景模型来检测场景中的遗留物体。 每个背景模型以不同的时间尺度更新,从短期到长期。 在对序列的特定图像进行更新之后,从每个背景模型确定前景蒙版。 运动图像从前景蒙版组更新。 在运动,图像中,每个像素都具有相关的证据值。 将证据值与证据阈值进行比较,以检测并发出场景中留下的物体。
    • 2. 发明授权
    • Method for detecting objects left-behind in a scene
    • 用于检测场景中遗留物体的方法
    • US07813528B2
    • 2010-10-12
    • US11697052
    • 2007-04-05
    • Fatih M. PorikliYuri A. Ivanov
    • Fatih M. PorikliYuri A. Ivanov
    • G06K9/00
    • G06K9/00771
    • A method detects an object left-behind in a scene by updating a set of background models using a sequence of images acquired of the scene by a camera. Each background model is updated at a different temporal scales ranging from short term to long term. A foreground mask is determined from each background model after the updating for a particular image of the sequence. A motion image is updated from the set of foreground masks. In the motion, image, each pixel has an associated evidence value. The evidence values are compared with a evidence threshold to detect and signal an object left behind in the scene.
    • 一种方法通过使用由相机拍摄的场景的图像序列来更新一组背景模型来检测场景中遗留的对象。 每个背景模型以不同的时间尺度更新,从短期到长期。 在对序列的特定图像进行更新之后,从每个背景模型确定前景蒙版。 运动图像从前景蒙版组更新。 在运动,图像中,每个像素都具有相关的证据值。 将证据值与证据阈值进行比较,以检测并发出场景中留下的物体。
    • 4. 发明授权
    • Nearest neighbor methods for non-Euclidean manifolds
    • 非欧几里得歧管的最近邻方法
    • US08280839B2
    • 2012-10-02
    • US12712791
    • 2010-02-25
    • Yuri A. IvanovRizwan Choudhry
    • Yuri A. IvanovRizwan Choudhry
    • G06F17/00
    • G06K9/6252
    • Embodiments of the invention disclose a system and a method for determining a nearest neighbor to an input data point on a non-Euclidean manifold. The data points on the non-Euclidean manifold are clustered, projected into Euclidean sub-space nearest to the cluster and mapped from the Euclidean sub-space into a Hamming space such that neighboring data points of the Hamming space corresponds to neighboring data points on the non-Euclidean manifold. The method maps the input data point to the Hamming space corresponding to a particular Euclidean sub-space, wherein the particular Euclidean sub-space is the nearest to the input data point, and selects a data point corresponding to a nearest data point to the input data point in the Hamming space as the nearest neighbor for the input data point on the non-Euclidean manifold.
    • 本发明的实施例公开了一种用于确定非欧几里得歧管上的输入数据点的最近邻的系统和方法。 非欧几里得歧管上的数据点被聚类,投影到最接近簇的欧几里德子空间中,并从欧几里得子空间映射成汉明空间,使得汉明空间的相邻数据点对应于 非欧几里得歧管。 该方法将输入数据点映射到与特定欧几里德子空间对应的汉明空间,其中特定欧几里得子空间最接近输入数据点,并且选择对应于最近数据点的数据点到输入 Hamming空间中的数据点作为非欧几里德流形上输入数据点的最近邻。
    • 6. 发明申请
    • Tactile Output Device
    • 触觉输出设备
    • US20080122589A1
    • 2008-05-29
    • US11563760
    • 2006-11-28
    • Yuri A. Ivanov
    • Yuri A. Ivanov
    • G08B6/00G09B21/00
    • G06F3/016A61F9/08G09B21/003
    • A tactile output device including an electro-active polymer layer and first and second sets of coplanar conductors arranged proximate to the layer. The first and second sets of conductors are approximately at right angles to each other, and the conductors in each set are spaced apart and parallel to each other. The conductors can be selected individually to convey current to expand and contract the electro-active polymer in vicinities where the conductors intersect. The selection can be according to pixels in an image to product a three-dimensional contoured surface corresponding to the image.
    • 一种触觉输出装置,包括电活性聚合物层和靠近层布置的第一和第二组共面导体。 第一和第二组导体大致彼此成直角,并且每组中的导体间隔开并且彼此平行。 可以单独选择导体以传送电流以在电导体相交的附近扩展和收缩电活性聚合物。 选择可以根据图像中的像素来产生对应于图像的三维轮廓表面。