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公开(公告)号：US12190558B2
公开(公告)日：2025-01-07
申请号：US17806410
申请日：2022-06-10
Applicant: Lemon Inc.
Inventor： Celong Liu , Lelin Zhang , Qingyu Chen , Yunzhu Li , Haoze Li , Xing Mei
Abstract: A computer-implemented method for transforming a neural radiance field model is described. A plurality of inputs are provided to a neural radiance field (NeRF) model that represents a 3-dimensional space having a subject, wherein each input of the plurality of inputs includes a location and a view direction and corresponds to respective colors of voxels that represent the 3-dimensional space. A spectral analysis is performed on a plurality of outputs of the NeRF model based on the plurality of inputs, wherein the plurality of outputs include the respective colors of the voxels. Frequency components of the spectral analysis that represent colors for at least some of the voxels are extracted. A sparse volume data structure that represents the 3-dimensional space and the respective colors for the at least some of the voxels is generated.
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公开(公告)号：US20240160662A1
公开(公告)日：2024-05-16
申请号：US18054592
申请日：2022-11-11
Applicant: Lemon Inc.
Inventor： Kin Chung Wong , Blake Garrett Fuselier , Jing Liu , Jeffrey Jia-Jun Chen , Celong Liu , Tiancheng Zhi
IPC: G06F16/58 , G06F16/532 , G06F16/538 , G06F40/205 , G06T15/00
CPC classification number: G06F16/5866 , G06F16/532 , G06F16/538 , G06F40/205 , G06T15/00
Abstract: A graphics-specific search engine receives a search input from a user account for a media platform, determines a search query parsed from the input, and searches a graphics-specific database for existing images that correspond to the search query. An image generator generates new images that correspond to the search query when the search result does not exceed a predetermined number. A graphics display engine sends a plurality of the images to an instance of an account for a media platform.
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公开(公告)号：US20240386651A1
公开(公告)日：2024-11-21
申请号：US18317818
申请日：2023-05-15
Applicant: Lemon Inc.
Inventor： Celong Liu , Xing Mei
IPC: G06T15/08
Abstract: Examples of memory-efficient volume data structures for novel view rendering are provided. In one aspect, a computing device for rendering a model volume data structure is provided. The computing device comprises a processor coupled to a storage medium that stores instructions, which, upon execution by the processor, cause the processor to store the model volume data structure, wherein the model volume data structure comprises a B+ tree graph, determine a camera view in which to render the model volume data structure, determine a plurality of rays in three-dimensional space based on the camera view, for each ray in the plurality of rays, perform a ray-marching process using the model volume data structure to determine a plurality of color features, and render the model volume data structure using the pluralities of color features.
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公开(公告)号：US20230401815A1
公开(公告)日：2023-12-14
申请号：US17806410
申请日：2022-06-10
Applicant: Lemon Inc.
Inventor： Celong Liu , Lelin Zhang , Qingyu Chen , Yunzhu Li , Haoze Li , Xing Mei
CPC classification number: G06V10/513 , G06V10/82 , G06V10/56
Abstract: A computer-implemented method for transforming a neural radiance field model is described. A plurality of inputs are provided to a neural radiance field (NeRF) model that represents a 3-dimensional space having a subject, wherein each input of the plurality of inputs includes a location and a view direction and corresponds to respective colors of voxels that represent the 3-dimensional space. A spectral analysis is performed on a plurality of outputs of the NeRF model based on the plurality of inputs, wherein the plurality of outputs include the respective colors of the voxels. Frequency components of the spectral analysis that represent colors for at least some of the voxels are extracted. A sparse volume data structure that represents the 3-dimensional space and the respective colors for the at least some of the voxels is generated.
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