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    Stroke-Guided Sketch Vectorization
    55.
    发明公开
    Stroke-Guided Sketch Vectorization 审中-公开

    公开(公告)号：US20230162413A1

    公开(公告)日：2023-05-25

    申请号：US17530760

    申请日：2021-11-19

    Applicant: Adobe Inc.

    Inventor： Vineet Batra ,  Matthew David Fisher ,  Deepali Aneja ,  Ashwani Chandil ,  Ankit Phogat

    IPC: G06T11/20 ,  G06T7/30 ,  G06T5/00 ,  G06V10/75

    CPC classification number: G06T11/203 ,  G06T7/30 ,  G06T5/002 ,  G06V10/751 ,  G06T2207/20081

    Abstract: A stroke-guided vectorization system is described that generates, from an input sketch and guide image depicting an approximate vector representation of the sketch, an aligned guide image depicting an improved vector representation of the sketch. To do so, the stroke-guided vectorization system determines black levels representing a vector stroke in the input sketch and white levels representing a background in the input sketch. The stroke-guided vectorization system determines a black threshold value and a white threshold value for discrete portions of the aligned guide image using subsets of the black levels and subsets of the white levels determined using the input sketch. Each discrete portion of the aligned guide image is then mapped to a vector stroke or a background based on the black threshold value and the white threshold value of the portion.

    Generating illuminated two-dimensional vector graphics using path tracing
    56.
    发明授权
    Generating illuminated two-dimensional vector graphics using path tracing 有权

    公开(公告)号：US11657552B2

    公开(公告)日：2023-05-23

    申请号：US17496231

    申请日：2021-10-07

    Applicant: Adobe Inc.

    Inventor： Jakub Fiser ,  Ankit Phogat ,  Vineet Batra

    IPC: G06T11/00 ,  G06T11/40 ,  G06T7/90 ,  G06K9/62 ,  G06V10/22 ,  G06T7/11 ,  G06F18/22

    CPC classification number: G06T11/40 ,  G06F18/22 ,  G06T7/11 ,  G06T7/90 ,  G06T11/001 ,  G06V10/225 ,  G06T2207/20021 ,  G06T2210/12

    Abstract: Methods, systems, and non-transitory computer readable storage media are disclosed for utilizing ray-tracing and mesh generation to illuminate two-dimensional digital vector images. In response to inserting a light source into a two-dimensional digital vector image including one or more vector elements, the disclosed system embeds the vector element(s) into a polygonal mesh generated for a region of the digital vector image. The disclosed system samples a plurality of rays at a plurality of points within the region and detect intersections of the rays with the vector element(s) or a bounding shape surrounding the region. Additionally, the disclosed system determines color values for mesh points in the polygonal mesh based on the intersections of the rays by interpolating color values associated with the intersected points. Furthermore, in some embodiments, the disclosed system subdivides the polygonal mesh according to a priority queue based on error scores associated with the determined color values.

    Directional pattern generation for digital images
    57.
    发明授权
    Directional pattern generation for digital images 有权

    公开(公告)号：US11651536B2

    公开(公告)日：2023-05-16

    申请号：US17476834

    申请日：2021-09-16

    Applicant: Adobe Inc.

    Inventor： Vineet Batra ,  Praveen Kumar Dhanuka ,  Ankit Phogat

    IPC: G06T11/40 ,  G06T11/00 ,  G06T11/20 ,  G06F3/048 ,  G06F3/04812

    CPC classification number: G06T11/40 ,  G06F3/04812

    Abstract: Directional pattern generation techniques are described for digital images as implemented by a directional pattern system. In an implementation, a user input is received to specify a direction with respect to the object. A directional pattern system then fills the object using a directional pattern based on the contours of the object as well as the user-specified direction. To do so, the directional pattern system generates a directional vector field that specifies directions with respect to corresponding locations within the field defined by a mesh. Uniform field embedding is employed to transfer the directional vector field to a grid by superimposing the grid onto the mesh of the directional vector field. The directional pattern system then generates the directional pattern within the object by filling the grid with one or more pattern cells.

    Flow-based color transfer from source graphic to target graphic
    58.
    发明授权
    Flow-based color transfer from source graphic to target graphic 有权

    公开(公告)号：US11551384B2

    公开(公告)日：2023-01-10

    申请号：US17323086

    申请日：2021-05-18

    Applicant: Adobe Inc.

    Inventor： Ankit Phogat ,  Vineet Batra ,  Sayan Ghosh ,  Stephen DiVerdi ,  Scott Cohen

    IPC: G06K9/00 ,  G06T11/00 ,  G06K9/62 ,  G06T7/90

    Abstract: Certain embodiments involve flow-based color transfers from a source graphic to target graphic. For instance, a palette flow is computed that maps colors of a target color palette to colors of the source color palette (e.g., by minimizing an earth-mover distance with respect to the source and target color palettes). In some embodiments, such color palettes are extracted from vector graphics using path and shape data. To modify the target graphic, the target color from the target graphic is mapped, via the palette flow, to a modified target color using color information of the source color palette. A modification to the target graphic is performed (e.g., responsive to a preview function or recoloring command) by recoloring an object in the target color with the modified target color.

    Digital Object Surface Inflation
    59.
    发明申请
    Digital Object Surface Inflation 有权

    公开(公告)号：US20220301263A1

    公开(公告)日：2022-09-22

    申请号：US17203066

    申请日：2021-03-16

    Applicant: Adobe Inc.

    Inventor： Ankit Phogat ,  Vineet Batra ,  Sumit Dhingra ,  Qingnan Zhou

    IPC: G06T17/20 ,  G06T15/20

    Abstract: Digital object surface inflation techniques are described as implemented by an image processing system to generate an inflated digital object, automatically and without user intervention, from a two-dimensional digital object in a digital image. In one example, the geometry inflation system generates the inflated digital object based on an outer boundary and in this way overcomes challenges of conventional skeleton based techniques. In another example, rules are configured to guide a geometry inflation system to generate the inflated digital object.

    Multi-layer lighting source with textured lighting gel layer
    60.
    发明授权
    Multi-layer lighting source with textured lighting gel layer 有权

    公开(公告)号：US11321889B1

    公开(公告)日：2022-05-03

    申请号：US17082378

    申请日：2020-10-28

    Applicant: Adobe Inc.

    Inventor： Xin Sun ,  Vineet Batra ,  Sumit Dhingra ,  Nathan Aaron Carr ,  Ankit Phogat

    IPC: G06T11/60 ,  G06T11/00 ,  G06T15/50 ,  G06T15/60 ,  G06T3/20

    Abstract: A multi-layer light source includes an emissive layer and a textured lighting gel layer, the lighting gel layer being situated between the emissive layer and a 2D canvas or a 3D object. User inputs controlling the multi-layer light source are received, these user inputs being provided with the user interacting with the 2D canvas without switching to editing in 3D space. The multi-layer light source is configured based on the user inputs and, based on the configuration, emission of light rays from the multi-layer light source is determined. Areas of shadows cast by 3D objects are also determined. An image generation system determines, a color of a location (e.g., a pixel) on the 2D canvas or the 3D object that a light ray intersects based on the color that is in the lighting gel layer that the light ray passes through.

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