公开(公告)号：US20220321858A1

公开(公告)日：2022-10-06

申请号：US17848861

申请日：2022-06-24

Applicant: Google LLC

Inventor： Wanmin Wu ,  Samuel Kvaalen ,  Ivan Janatra ,  Changchang Wu

IPC: H04N13/122 ,  H04N13/178 ,  G06T15/00

Abstract: Methods, systems, and media for rendering immersive video content with foveated meshes are provided. In some embodiments, the method comprises: receiving a video content item; determining, using a hardware processor, whether the video content item meets at least one criterion; in response to determining that the video content item meets the at least one criterion, generating, using the hardware processor, a foveated mesh in accordance with a foveation ratio parameter on which frames of the video content item are to be projected, wherein the foveated mesh has a non-uniform position map that increases pixel density in a central portion of each frame of the video content item in comparison with peripheral portions of each frame of the video content item; and storing the video content item in a file format that includes the generated foveated mesh, wherein the immersive video content is rendered by applying the video content item as a texture to the generated foveated mesh.

公开(公告)号：US11375170B2

公开(公告)日：2022-06-28

申请号：US16940717

申请日：2020-07-28

Applicant: Google LLC

Inventor： Wanmin Wu ,  Samuel Kvaalen ,  Ivan Janatra ,  Changchang Wu

IPC: H04N13/122 ,  H04N13/178 ,  G06T15/00 ,  H04N13/00

Abstract: Methods, systems, and media for rendering immersive video content with foveated meshes are provided. In some embodiments, the method comprises: receiving a video content item; determining, using a hardware processor, whether the video content item meets at least one criterion; in response to determining that the video content item meets the at least one criterion, generating, using the hardware processor, a foveated mesh in accordance with a foveation ratio parameter on which frames of the video content item are to be projected, wherein the foveated mesh has a non-uniform position map that increases pixel density in a central portion of each frame of the video content item in comparison with peripheral portions of each frame of the video content item; and storing the video content item in a file format that includes the generated foveated mesh, wherein the immersive video content is rendered by applying the video content item as a texture to the generated foveated mesh.

公开(公告)号：US20210029340A1

公开(公告)日：2021-01-28

申请号：US16940717

申请日：2020-07-28

Applicant: Google LLC

Inventor： Wanmin Wu ,  Samuel Kvaalen ,  Ivan Janatra ,  Changchang Wu

IPC: H04N13/122 ,  H04N13/178 ,  G06T15/00

Abstract: Methods, systems, and media for rendering immersive video content with foveated meshes are provided. In some embodiments, the method comprises: receiving a video content item; determining, using a hardware processor, whether the video content item meets at least one criterion; in response to determining that the video content item meets the at least one criterion, generating, using the hardware processor, a foveated mesh in accordance with a foveation ratio parameter on which frames of the video content item are to be projected, wherein the foveated mesh has a non-uniform position map that increases pixel density in a central portion of each frame of the video content item in comparison with peripheral portions of each frame of the video content item; and storing the video content item in a file format that includes the generated foveated mesh, wherein the immersive video content is rendered by applying the video content item as a texture to the generated foveated mesh.