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    • 3. 发明申请
    • RECONSTRUCTION OF SPARSE DATA
    • 重新建立稀疏数据
    • US20120134597A1
    • 2012-05-31
    • US12954843
    • 2010-11-26
    • Mark FinchJohn SnyderHugues HoppeYonatan Wexler
    • Mark FinchJohn SnyderHugues HoppeYonatan Wexler
    • G06K9/46
    • G06T17/00G06T7/50
    • A dense guide image or signal is used to inform the reconstruction of a target image from a sparse set of target points. The guide image and the set of target points are assumed to be derived from a same real world subject or scene. Potential discontinuities (e.g., tears, edges, gaps, etc.) are first detected in the guide image. The potential discontinuities may be borders of Voronoi regions, perhaps computed using a distance in data space (e.g., color space). The discontinuities and sparse set of points are used to reconstruct the target image. Specifically, pixels of the target image may be interpolated smoothly between neighboring target points, but where neighboring target points are separated by a discontinuity, the interpolation may jump abruptly (e.g., by adjusting or influencing relaxation) at the discontinuity. The target points may be used to select only a subset of the discontinuities to be used during reconstruction.
    • 使用密集的引导图像或信号来通知来自稀疏目标点集合的目标图像的重建。 引导图像和目标点集合被假定为从相同的现实主题或场景导出。 在引导图像中首先检测到潜在的不连续性(例如,泪液,边缘,间隙等)。 潜在的不连续性可以是Voronoi区域的边界,可以使用数据空间中的距离(例如,颜色空间)来计算。 不连续点和稀疏集合点用于重建目标图像。 具体地说,目标图像的像素可以在相邻目标点之间平滑地内插,但是当相邻目标点被不连续性分开时,插值可能突然地跳跃(例如通过调节或影响松弛)而跳跃。 目标点可以用于仅在重建期间仅选择要使用的不连续的子集。
    • 4. 发明授权
    • Vector graphics with controlled thin-plate splines
    • 矢量图形与受控薄板样条
    • US08917284B2
    • 2014-12-23
    • US13134878
    • 2011-06-20
    • Mark FinchJohn Michael SnyderHugues H. Hoppe
    • Mark FinchJohn Michael SnyderHugues H. Hoppe
    • G09G5/00G09G5/02G06T11/20G06F15/00G03F3/08H04N1/46G06K9/00G06K9/40G06K9/36
    • G06T11/203
    • This patent relates to thin plate spline (TPS)-based interpolation techniques for representing free-flowing vector graphics (VG) images based on user-specified features, such as points and curves. One or more features can be identified in a pixel grid. A higher-order least squares interpolating function with a TPS smoothness objective can then be utilized to interpolate individual color values to individual pixels of the pixel grid. Smoothness terms of the function that impose smoothness penalties can be interrupted in certain regions of the pixel grid based on attributes of the user-specified features. For example, a curve attribute can specify a particular color value(s), add or remove a smoothness penalty, or anisotropically impose a first derivative constraint in a particular direction.
    • 该专利涉及基于薄板样条(TPS)的插值技术,用于基于用户指定的特征(例如点和曲线)来表示自由流动的矢量图形(VG)图像。 可以在像素网格中识别一个或多个特征。 然后可以利用具有TPS平滑度目标的更高阶最小二乘内插函数将各个颜色值内插到像素网格的各个像素。 基于用户指定的特征的属性,可以在像素网格的某些区域中断平滑度惩罚的功能的平滑度项。 例如,曲线属性可以指定特定的颜色值,添加或删除平滑度损失,或各向异性地在特定方向施加一阶导数约束。
    • 5. 发明授权
    • Reconstruction of sparse data
    • 重建稀疏数据
    • US08737769B2
    • 2014-05-27
    • US12954843
    • 2010-11-26
    • Mark FinchJohn SnyderHugues HoppeYonatan Wexler
    • Mark FinchJohn SnyderHugues HoppeYonatan Wexler
    • G06K9/32G06K9/40
    • G06T17/00G06T7/50
    • A dense guide image or signal is used to inform the reconstruction of a target image from a sparse set of target points. The guide image and the set of target points are assumed to be derived from a same real world subject or scene. Potential discontinuities (e.g., tears, edges, gaps, etc.) are first detected in the guide image. The potential discontinuities may be borders of Voronoi regions, perhaps computed using a distance in data space (e.g., color space). The discontinuities and sparse set of points are used to reconstruct the target image. Specifically, pixels of the target image may be interpolated smoothly between neighboring target points, but where neighboring target points are separated by a discontinuity, the interpolation may jump abruptly (e.g., by adjusting or influencing relaxation) at the discontinuity. The target points may be used to select only a subset of the discontinuities to be used during reconstruction.
    • 使用密集的引导图像或信号来通知来自稀疏目标点集合的目标图像的重建。 引导图像和目标点集合被假定为从相同的现实主题或场景导出。 在引导图像中首先检测到潜在的不连续性(例如,泪液,边缘,间隙等)。 潜在的不连续性可以是Voronoi区域的边界,可以使用数据空间中的距离(例如,颜色空间)来计算。 不连续点和稀疏集合点用于重建目标图像。 具体地说,目标图像的像素可以在相邻目标点之间平滑地内插,但是当相邻目标点被不连续分开时,插值可能突然地跳跃(例如,通过调节或影响松弛)而跳跃。 目标点可以用于仅在重建期间仅选择要使用的不连续的子集。
    • 6. 发明申请
    • Vector graphics with controlled thin-plate splines
    • 矢量图形与受控薄板样条
    • US20120320063A1
    • 2012-12-20
    • US13134878
    • 2011-06-20
    • Mark FinchJohn Michael SnyderHugues H. Hoppe
    • Mark FinchJohn Michael SnyderHugues H. Hoppe
    • G06T11/20
    • G06T11/203
    • This patent relates to thin plate spline (TPS)-based interpolation techniques for representing free-flowing vector graphics (VG) images based on user-specified features, such as points and curves. One or more features can be identified in a pixel grid. A higher-order least squares interpolating function with a TPS smoothness objective can then be utilized to interpolate individual color values to individual pixels of the pixel grid. Smoothness terms of the function that impose smoothness penalties can be interrupted in certain regions of the pixel grid based on attributes of the user-specified features. For example, a curve attribute can specify a particular color value(s), add or remove a smoothness penalty, or anisotropically impose a first derivative constraint in a particular direction.
    • 该专利涉及基于薄板样条(TPS)的插值技术,用于基于用户指定的特征(例如点和曲线)来表示自由流动的矢量图形(VG)图像。 可以在像素网格中识别一个或多个特征。 然后可以利用具有TPS平滑度目标的更高阶最小二乘内插函数将各个颜色值内插到像素网格的各个像素。 基于用户指定的特征的属性,可以在像素网格的某些区域中断平滑度惩罚的功能的平滑度项。 例如,曲线属性可以指定特定的颜色值,添加或删除平滑度损失,或各向异性地在特定方向施加一阶导数约束。