Systems and methods for processing a distorted image
AssigneeHand Held Products, Inc.
InventorEdward Douglas Hatton
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Abstract
In one exemplary embodiment in accordance with the disclosure, an image processing system is configured to use a distance authentication template to execute a detection procedure that detects at least one non-linear distortion in a subject image. The distance authentication template can be generated by mapping a set of spatial coordinates of three features in a distortion-free image to a set of pixel coordinates of the three features in the distortion-free image. Addressing a non-linear distortion in the subject image can include performing remedial actions to remedy the non-linear distortion, or taking into consideration the non-linear distortion when using the distance authentication template to identify one or more features in the subject image.
Claims12
A method comprising:
- using a set of spatial coordinates to define locations of two or more features in a distortion-free image, wherein at least one of the two or more features is a generic feature, wherein the set of spatial coordinates correspond to at least a physical size parameter of the generic feature;
- using a set of pixel coordinates to define the locations of the two or more features in the distortion-free image, wherein the set of pixel coordinates correspond to at least an image size parameter of the generic feature;
- and
- using the set of spatial coordinates and the set of pixel coordinates to detect at least one distortion in a subject image having the two or more features;
- and
- attempting to decode the subject image based on the detected at least one distortion.
An apparatus comprising:
- an image acquisition system configured to generate a subject image;
- and
- an image processing system configured to:
- execute a detection procedure that detects at least one non-linear distortion in the subject image based at least in part on a mapping of a set of spatial coordinates of at least three features in a distortion-free image to a set of pixel coordinates of the at least three features in the distortion-free image, wherein at least one of the at least three features is a generic feature, wherein the set of spatial coordinates correspond to at least a physical size parameter of the generic feature, wherein the set of pixel coordinates correspond to at least an image size parameter of the generic feature;
- and
- attempt to decode the subject image based on the detected at least one distortion.
Dependencies are inferred from the claim text.