Image distortion correction
First Claim
Patent Images
1. A method of reducing image distortion, comprising:
- determining distortion information associated with a lens system;
storing said distortion information;
processing a captured image taken with said lens system, with reference to said distortion information; and
generating a corrected image comprising reduced image distortion compared to said captured image.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods and systems for reducing or eliminating distortion in an image are described. The approach generally involves determining the distortion introduced by a lens, and modifying a captured image to reduce that distortion. In one embodiment, the distortion information associated with a lens is determined. The distortion information is stored. A captured image taken by that lens is processed, with reference to the distortion information.
-
Citations
20 Claims
-
1. A method of reducing image distortion, comprising:
-
determining distortion information associated with a lens system; storing said distortion information; processing a captured image taken with said lens system, with reference to said distortion information; and generating a corrected image comprising reduced image distortion compared to said captured image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A system for reducing lens distortion in a captured image, comprising:
-
a buffer for storing information; and a texturing engine for generating pixel data, wherein said texturing engine is configured to access a correction image stored in said buffer, and use said correction image to generate a corrected image from said captured image. - View Dependent Claims (11, 12, 13, 14, 15, 16)
-
-
17. A computer-readable medium having computer-readable program code embodied therein for causing a computer system to execute a method of warping a captured image to reduce distortion therein, said method comprising:
-
generating distortion correction information; storing said distortion correction information as a warping texture; loading said warping texture into a graphics processing unit (GPU); and producing a modified image by using said GPU to warp said captured image with reference to said warping texture. - View Dependent Claims (18, 19, 20)
-
Specification