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21.发明申请公开(公告)号：US20190318455A1
公开(公告)日：2019-10-17
申请号：US16363941
申请日：2019-03-25
Applicant: NVIDIA Corporation
Inventor： Holger Heinrich Gruen , Adam Christopher Marrs , Josef B. Spjut , Rahul Sathe , Morgan McGuire
Abstract: During the rendering of an image, specific pixels in the image are identified where antialiasing would be helpful. Antialiasing is then performed on these identified pixels, where antialiasing is a technique used to add greater realism to a digital image by smoothing jagged edges. This reduces a cost of performing antialiasing by reducing a number of pixels within an image on which antialiasing is performed.
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公开(公告)号：US10417813B2
公开(公告)日：2019-09-17
申请号：US15806144
申请日：2017-11-07
Applicant: NVIDIA Corporation
Inventor： Christopher Ryan Wyman , Morgan McGuire
Abstract: A method for generating temporally stable hash values reduces visual artifacts associated with stochastic sampling of data for graphics applications. A given hash value can be generated from a scaled and discretized object-space for a geometric object within a scene. Through appropriate scaling, the hash value can be discretized and remain constant within a threshold distance from a pixel center. As the geometric object moves within the scene, a hash value associated with a given feature of the geometric object remains constant because the hash value is generated using an object-space coordinate anchored to the feature. In one embodiment, alpha testing threshold values are assigned random, but temporally stable hash output values generated using object-space coordinate positions for primitive fragments undergoing alpha testing. Alpha tested fragments are temporally stable, beneficially improving image quality.
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23.发明授权System, method, and computer program product for pre-filtered anti-aliasing with deferred shading 有权系统，方法和计算机程序产品，用于具有延迟着色的预过滤抗锯齿公开(公告)号：US09547931B2
公开(公告)日：2017-01-17
申请号：US14704875
申请日：2015-05-05
Applicant: NVIDIA Corporation
CPC classification number: G06T15/005 , G06K9/6218 , G06K9/622 , G06K9/6272 , G06T1/60 , G06T15/80
Abstract: A system, method, and computer program product are provided for generating anti-aliased images. The method includes the steps of assigning one or more samples to a plurality of clusters, each cluster in the plurality of clusters corresponding to an aggregate stored in an aggregate geometry buffer, where each of the one or more samples is covered by a visible fragment and rasterizing three-dimensional geometry to generate material parameters for each sample of the one or more samples. For each cluster in the plurality of clusters, the material parameters for each sample assigned to the cluster are combined to produce the aggregate. The combined material parameters for each cluster are stored in an aggregate geometry buffer. An anti-aliased image may then be generated by shading the combined material parameters.
Abstract translation: 提供了一种用于产生抗锯齿图像的系统，方法和计算机程序产品。 该方法包括以下步骤：将一个或多个样本分配给多个聚类，多个聚类中的每个簇对应于存储在聚合几何缓冲器中的聚合，其中一个或多个样本中的每一个被可见碎片覆盖， 光栅化三维几何以生成一个或多个样本的每个样本的材料参数。 对于多个集群中的每个集群，将分配给集群的每个样本的材料参数组合以产生聚合。 每个集群的组合材料参数都存储在聚合几何缓冲区中。 然后可以通过遮蔽组合的材料参数来生成抗锯齿图像。
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24.发明授权公开(公告)号：US11660535B2
公开(公告)日：2023-05-30
申请号：US16942951
申请日：2020-07-30
Applicant: Nvidia Corporation
Inventor： Pyarelal Knowles , Ben Boudaoud , Josef Spjut , Morgan McGuire , Kamran Binaee , Joohwan Kim , Harish Vutukuru
CPC classification number: A63F13/428 , G06F3/011 , G06T3/0093 , G06T3/60 , G06T5/50 , G06T15/005 , A63F2300/6045 , G06T2207/20221
Abstract: The disclosure provides features or schemes that improve a user's experience with an interactive computer product by reducing latency through late latching and late warping. The late warping can be applied by imaging hardware based on late latch inputs and is applicable for both local and cloud computing environments. In one aspect, the disclosure provides a method of operating an imaging system employing late latching and late warping. In one example the method of operating an imaging system includes: (1) rendering a rendered image based on a user input from an input device and scene data from an application engine, (2) obtaining a late latch input from the input device, (3) rendering, employing imaging hardware, a warped image by late warping at least a portion of the rendered image based on the late latch input, and (4) updating state information in the application engine with late latch and warp information.
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公开(公告)号：US20220284659A1
公开(公告)日：2022-09-08
申请号：US17745478
申请日：2022-05-16
Applicant: Nvidia Corporation
Inventor： Towaki Alan Takikawa , Joey Litalien , Kangxue Yin , Karsten Julian Kreis , Charles Loop , Morgan McGuire , Sanja Fidler
Abstract: Systems and methods are described for rendering complex surfaces or geometry. In at least one embodiment, neural signed distance functions (SDFs) can be used that efficiently capture multiple levels of detail (LODs), and that can be used to reconstruct multi-dimensional geometry or surfaces with high image quality. An example architecture can represent complex shapes in a compressed format with high visual fidelity, and can generalize across different geometries from a single learned example. Extremely small multi-layer perceptrons (MLPs) can be used with an octree-based feature representation for the learned neural SDFs.
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Patent Agency Ranking
26.发明授权公开(公告)号：US11315310B2
公开(公告)日：2022-04-26
申请号：US17152460
申请日：2021-01-19
Applicant: NVIDIA Corporation
Inventor： Christopher Ryan Wyman , Morgan McGuire , Peter Schuyler Shirley , Aaron Eliot Lefohn
Abstract: A global illumination data structure (e.g., a data structure created to store global illumination information for geometry within a scene to be rendered) is computed for the scene. Additionally, reservoir-based spatiotemporal importance resampling (RESTIR) is used to perform illumination gathering, utilizing the global illumination data structure. The illumination gathering includes identifying light values for points within the scene, where one or more points are selected within the scene based on the light values in order to perform ray tracing during the rendering of the scene.
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公开(公告)号：US11295515B2
公开(公告)日：2022-04-05
申请号：US16894438
申请日：2020-06-05
Applicant: NVIDIA Corporation
Inventor： Morgan McGuire , Cyril Crassin , David Luebke , Michael Mara , Brent L. Oster , Peter Shirley , Peter-Pike Sloan , Christopher Wyman
Abstract: The present invention facilitates efficient and effective image processing. A network can comprise: a first system configured to perform a first portion of lighting calculations for an image and combing results of the first portion of lighting calculations for the image with results of a second portion of lighting calculations; and a second system configured to perform the second portion of lighting calculations and forward the results of the second portion of the lighting calculations to the first system. The first and second portion of lighting calculations can be associated with indirect lighting calculations and direct lighting calculations respectively. The first system can be a client in a local location and the second system can be a server in a remote location (e.g., a cloud computing environment). The first system and second system can be in a cloud and a video is transmitted to a local system.
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28.发明申请公开(公告)号：US20210106912A1
公开(公告)日：2021-04-15
申请号：US16942951
申请日：2020-07-30
Applicant: Nvidia Corporation
Inventor： Pyarelal Knowles , Ben Boudaoud , Josef Spjut , Morgan McGuire , Kamran Binaee , Joohwan Kim , Harish Vutukuru
Abstract: The disclosure provides features or schemes that improve a user's experience with an interactive computer product by reducing latency through late latching and late warping. The late warping can be applied by imaging hardware based on late latch inputs and is applicable for both local and cloud computing environments. In one aspect, the disclosure provides a method of operating an imaging system employing late latching and late warping. In one example the method of operating an imaging system includes: (1) rendering a rendered image based on a user input from an input device and scene data from an application engine, (2) obtaining a late latch input from the input device, (3) rendering, employing imaging hardware, a warped image by late warping at least a portion of the rendered image based on the late latch input, and (4) updating state information in the application engine with late latch and warp information.
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公开(公告)号：US10573061B2
公开(公告)日：2020-02-25
申请号：US16024591
申请日：2018-06-29
Applicant: NVIDIA Corporation
Inventor： Qi Sun , Anjul Patney , Omer Shapira , Morgan McGuire , Aaron Eliot Lefohn , David Patrick Luebke
Abstract: A method, computer readable medium, and system are disclosed for redirecting a user's movement through a physical space while the user views a virtual environment. A temporary visual suppression event is detected when a user's eyes move relative to the user's head while viewing a virtual scene displayed on a display device, an orientation of the virtual scene relative to the user is modified to direct the user to physically move along a planned path through a virtual environment corresponding to the virtual scene, and the virtual scene is displayed on the display device according to the modified orientation.
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公开(公告)号：US20190012832A1
公开(公告)日：2019-01-10
申请号：US16024609
申请日：2018-06-29
Applicant: NVIDIA Corporation
Inventor： Qi Sun , Anjul Patney , Omer Shapira , Morgan McGuire , Aaron Eliot Lefohn , David Patrick Luebke
Abstract: A method, computer readable medium, and system are disclosed for computing a path for a user to move along within a physical space while viewing a virtual environment in a virtual reality system. A path for a user to physically move along through a virtual environment is determined based on waypoints and at least one characteristic of the physical environment within which the user is positioned, position data for the user is received indicating whether and how much a current path taken by the user has deviated from the path, and an updated path is computed through the virtual environment based on the waypoints and the at least one characteristic of the physical environment.
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