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    • 2. 发明申请
    • GEODESIC SALIENCY USING BACKGROUND PRIORS
    • 使用背景技术的地球物理学
    • WO2015013908A1
    • 2015-02-05
    • PCT/CN2013/080491
    • 2013-07-31
    • MICROSOFT CORPORATIONWEI, YichenWEN, FangSUN, Jian
    • WEI, YichenWEN, FangSUN, Jian
    • G06T11/00
    • G06T7/162G06K9/3233G06T7/11G06T7/136G06T7/194G06T2207/20164
    • Disclosed herein are techniques and systems for computing geodesic saliency of images using background priors. An input image may be segmented into a plurality of patches, and a graph associated with the image may be generated, the graph comprising nodes and edges. The nodes of the graph include nodes that correspond to the plurality of patches of the image plus an additional virtual background node that is added to the graph. The graph further includes edges that connect the nodes to each other, including internal edges between adjacent patches and boundary edges between those patches at the boundary of the image and the virtual background node. Using this graph, a saliency value, called the "geodesic" saliency, for each patch of the image is determined as a length of a shortest path from a respective patch to the virtual background node.
    • 这里公开了用于使用背景先验计算图像的测地学显着性的技术和系统。 可以将输入图像分割成多个片段,并且可以生成与图像相关联的图形,该图形包括节点和边缘。 图形的节点包括与图像的多个补丁相对应的节点以及添加到图形的附加虚拟背景节点。 该图进一步包括将节点彼此连接的边缘,包括相邻补丁之间的内部边缘和图像边界处的虚拟背景节点之间的这些补丁之间的边界边缘。 使用该图,对于图像的每个补丁,显着值(称为“测地线”)显着性被确定为从相应补丁到虚拟背景节点的最短路径的长度。