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    • 3. 发明申请
    • CUT-LINE STEERING METHODS FOR FORMING A MOSAIC IMAGE OF A GEOGRAPHICAL AREA
    • 用于形成地理区域的马赛克图像的切线方法
    • WO2010017255A3
    • 2010-05-06
    • PCT/US2009052776
    • 2009-08-05
    • PICTOMETRY INT CORPGIUFFRIDA FRANKSCHULTZ STEPHENGRAY ROBERTBRADACS ROBERT
    • GIUFFRIDA FRANKSCHULTZ STEPHENGRAY ROBERTBRADACS ROBERT
    • G06T3/00G06T1/00
    • G06T3/4038G01C11/02G06T7/12G06T11/60G06T2207/10016G06T2207/10032G06T2207/30184
    • A method for automatically steering mosaic cut lines along preferred routes to form an output mosaic image includes the step of creating an assignment map corresponding to the output mosaic image where each pixel has an initial designation of unassigned. Then, each pixel of the assignment map that intersects the preferred routes is marked as being a Preferred Cut Line pixel to divide the Assignment Map into one or more regions. For each region, a search is conducted to locate one or more source images that completely cover that region. If multiple source images completely covering the region are located, the method uses a Selection Heuristic to determine quality of coverage, and then designates each pixel in that region as being assigned to the source image determined to be best by the Selection Heuristic. For any remaining unassigned regions, the method searches for two or more source images whose combined footprint completely covers the region, and for each set of two or more combined images, a Pairing Heuristic is used for determining quality of coverage. Each pixel in the region is designated as being assigned to the two or more combined images determined best by the Pairing Heuristic. Then, the Preferred Cut Line pixels are redesignated to match the image assignments of their bounded regions, and the output mosaic image is formed by contributing pixel values from the source images based upon the designations set forth in the assignment map.
    • 一种用于沿优选路线自动转向马赛克切割线以形成输出马赛克图像的方法,包括创建与输出马赛克图像相对应的分配图的步骤,其中每个像素具有未分配的初始指定。 然后,与首选路线相交的分配图中的每个像素都被标记为首选切割线像素,以将分配图划分为一个或多个区域。 对于每个区域,执行搜索以找到完全覆盖该区域的一个或多个源图像。 如果多个源图像完全覆盖该区域,则该方法使用选择启发式来确定覆盖质量,然后将该区域中的每个像素指定为被选择启发式确定为最佳的源图像。 对于任何剩余的未分配区域,该方法搜索两个或更多源图像,其组合图像完全覆盖该区域,并且对于每组两个或更多个组合图像,使用配对启发式来确定覆盖质量。 该区域中的每个像素被指定为被分配给由配对启发式确定最佳确定的两个或更多个组合图像。 然后,优选切割线像素被重新指定以匹配其有界区域的图像指定,并且输出马赛克图像通过基于赋值图中所述的指定来自源图像的贡献像素值而形成。
    • 4. 发明申请
    • CUT-LINE STEERING METHODS FOR FORMING A MOSAIC IMAGE OF A GEOGRAPHICAL AREA
    • 用于形成地理区域的MOSAIC图像的切割方向转换方法
    • WO2010017255A2
    • 2010-02-11
    • PCT/US2009/052776
    • 2009-08-05
    • PICTOMETRY INTERNATIONAL CORP.GIUFFRIDA, FrankSCHULTZ, StephenGRAY, RobertBRADACS, Robert
    • GIUFFRIDA, FrankSCHULTZ, StephenGRAY, RobertBRADACS, Robert
    • G06T3/00G06T1/00
    • G06T3/4038G01C11/02G06T7/12G06T11/60G06T2207/10016G06T2207/10032G06T2207/30184
    • A method for automatically steering mosaic cut lines along preferred routes to form an output mosaic image includes the step of creating an assignment map corresponding to the output mosaic image where each pixel has an initial designation of unassigned. Then, each pixel of the assignment map that intersects the preferred routes is marked as being a Preferred Cut Line pixel to divide the Assignment Map into one or more regions. For each region, a search is conducted to locate one or more source images that completely cover that region. If multiple source images completely covering the region are located, the method uses a Selection Heuristic to determine quality of coverage, and then designates each pixel in that region as being assigned to the source image determined to be best by the Selection Heuristic. For any remaining unassigned regions, the method searches for two or more source images whose combined footprint completely covers the region, and for each set of two or more combined images, a Pairing Heuristic is used for determining quality of coverage. Each pixel in the region is designated as being assigned to the two or more combined images determined best by the Pairing Heuristic. Then, the Preferred Cut Line pixels are redesignated to match the image assignments of their bounded regions, and the output mosaic image is formed by contributing pixel values from the source images based upon the designations set forth in the assignment map.
    • 用于沿优选路线自动转向马赛克切割线以形成输出马赛克图像的方法包括创建对应于输出马赛克图像的分配图,其中每个像素具有未分配的初始指定的步骤。 然后,与优选路线相交的分配图的每个像素被标记为优先切割线像素,以将分配图划分成一个或多个区域。 对于每个区域,进行搜索以定位完全覆盖该区域的一个或多个源图像。 如果定位完全覆盖区域的多个源图像,则该方法使用选择启发式来确定覆盖质量,然后将该区域中的每个像素指定为被选择启发式确定为最佳的源图像。 对于任何剩余的未分配区域,该方法搜索组合足迹完全覆盖该区域的两个或更多个源图像,并且对于每组两个或更多个组合图像,使用配对启发式来确定覆盖质量。 该区域中的每个像素被指定为分配给由配对启发式最佳确定的两个或多个组合图像。 然后,重新设计优选剪切线像素以匹配其有界区域的图像分配,并且通过基于分配图中所阐述的指定从源图像中提供像素值来形成输出马赛克图像。