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US 2009/0022429 A1Published application
System and method to manipulate an image
OwnerAndrew Longacre, JR., Thomas Hawley +1inventors
InventorsAndrew Longacre, JR., Thomas Hawley, Matthew Pankow
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Abstract
A method of operating an image reader comprising the steps of: capturing an image; recognizing a form within the captured image; and, cropping the captured image to the size of the form.
Claims28
A method of operating an image reader comprising the steps of:
- searching a digital image for nominally straight edges;
- characterizing the nominally straight edges in terms of length and/or direction;
- determining a predominant orientation of the nominally straight edges;
- establishing a group of edges as a function of their proximity to the center of the image;
- establishing a group of edges as a function of their proximity to other remaining edge positions;
- and,
- transmuting a rectangle bounding those edges into a rectified image.
4 more elements
A method of operating an image reader comprising the steps of:
- searching a digital image at a high resolution for nominally straight edges;
- searching the digital image at a low resolution for nominally straight edges;
- characterizing the nominally straight edges in terms of length and direction;
- determining a predominant orientation of the nominally straight edges;
- discarding edges not nominally parallel or perpendicular to the predominate orientation;
- establishing a group of edges as a function of their proximity to the center of the image;
- establishing a group of edges as a function of their proximity to other remaining edge positions;
- and,
- transmuting a rectangle bounding those edges into a rectified image.
6 more elements
An image reader comprising:
- an image sensor for converting light into output signals representative of an image in a field of view (FOV) of the image sensor;
- an illumination source for illuminating the field of view;
- receive optics for directing light to the image sensor;
- and
- a processor for:
- searching an image for nominally straight edges;
- characterizing the nominally straight edges in terms of length and/or direction;
- determining a predominant orientation of the nominally straight edges;
- establishing a group of edges as a function of their proximity to the center of the image;
- establishing a group of edges as a function of their proximity to other remaining edge positions;
- and,
- transmuting a rectangle bounding those edges into a rectified image.
9 more elements
An image reader comprising:
- an image sensor for converting light into output signals representative of an image in a field of view (FOV) of the image sensor;
- an illumination source for illuminating the field of view;
- receive optics for directing light to the image sensor;
- and
- a processor for:
- searching a digital image at a high resolution for nominally straight edges;
- searching the digital image at a low resolution for nominally straight edges;
- characterizing the nominally straight edges in terms of length and direction;
- determining a predominant orientation of the nominally straight edges;
- discarding edges not nominally parallel or perpendicular to the predominate orientation;
- establishing a group of edges as a function of their proximity to the center of the image;
- establishing a group of edges as a function of their proximity to other remaining edge positions;
- and,
- transmuting a rectangle bounding those edges into a rectified image.
11 more elements
Dependencies are inferred from the claim text.