Transform method for rendering post-rotation panoramic images
US11210840B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 27, 2020 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Aug 27, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2215/08
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transform method applied in an image processing system is disclosed, comprising: when the image capture module is rotated, respectively performing inverse rotation operations over post-rotation space coordinates of three first vertices from a integral vertex stream according to rotation angles of the image capture module to obtain their pre-rotation space coordinates; calculating pre-rotation longitudes and latitudes of the three first vertices according to their pre-rotation space coordinates; selecting one from a pre-rotation panoramic image, a south polar image and a north polar image as a texture image to determine a texture ID for the three first vertices according to their pre-rotation latitudes; and, calculating pre-rotation texture coordinates according to the texture ID and the pre-rotation longitudes and latitudes to form a first complete data structure for each of the three first vertices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.