Patent US5591579A successfully refreshed from Google Patents.
Patent US6090555A successfully refreshed from Google Patents.
US6090555A
Expired / Lapsed
US
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Scanned image alignment systems and methods
Assignee: Affymetrix Inc
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Filing: 1997-12-23
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Granted: 2000-07-18
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Expires: 2017-12-23
Abstract
Abstract Systems and methods for aligning scanned images are provided. A pattern is included in the scanned image so that when the image is convolved with a filter, a recognizable pattern is generated in the convolved image. The scanned image may then be aligned according to the position of the recognizable pattern in the convolved image. The filter may also act to remove the portions of the scanned image that do not correspond to the pattern in the scanned image.
Inventors
- 👤 Peter Fiekowsky
- 👤 Dan M. Bartell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:06
CPC Classifications
G; G06; G06T; G06T7/00; G06T7/0002; G06T7/0012; G06T3/00; G06T3/60; G06T5/00; G06T5/20; G06T7/70; G06V; G06V10/00; G06V10/20; G06V10/24; G06V10/245; G16; G16B; G16B25/00; G06T2207/00; G06T2207/20; G06T2207/20068; G06T2207/30; G06T2207/30004; G06T2207/30072
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
63 words
A computer implemented method of aligning scanned images, comprising: convolving a scanned image with a filter, the scanned image including at least a first pattern that the filter will convolve into a second pattern in a convolved image; identifying the second pattern in the convolved image; and aligning the scanned image according to a position of the second pattern in the convolved image.
Claim 2
Dependent Claim
63 words
A computer implemented method of aligning scanned images, comprising: convolving a scanned image with a filter, the scanned image including at least a first pattern that the filter will convolve into a second pattern in a convolved image; identifying the second pattern in the convolved image; and aligning the scanned image according to a position of the second pattern in the convolved image.
Claim 3
Dependent Claim
35 words
The method of claim 1, wherein convolving a scanned image with a filter comprises setting a convolved pixel to a difference in intensity between an odd pixel and an even pixel of the first pattern.
Claim 4
Dependent Claim
47 words
The method of claim 2, wherein the odd pixel has the lowest intensity of the odd pixels and the even pixel has the highest intensity of the even pixels, if the average intensity of the odd pixels is greater than the average intensity of the even pixels.
Claim 5
Dependent Claim
48 words
The method of claim 2, wherein the odd pixel has the highest intensity of the odd pixels and the even pixel has the lowest intensity of the even pixels, if the average intensity of the odd pixels is not greater than the average intensity of the even pixels.
Claim 6
Dependent Claim
13 words
The method of claim 1, wherein the first pattern is a checkerboard pattern.
Claim 7
Dependent Claim
13 words
The method of claim 1, wherein the second pattern is a grid pattern.
Claim 8
Dependent Claim
18 words
The method of claim 1, wherein aligning the scanned image comprises aligning a grid over the scanned image.
Claim 9
Dependent Claim
28 words
The method of claim 7, further comprising adjusting the position of the grid to minimize a sum of the intensities of pixels along a direction in the grid.
Claim 10
Dependent Claim
16 words
The method of claim 1, wherein the scanned image includes multiple copies of the first pattern.
Claim 11
Dependent Claim
22 words
The method of claim 9, wherein the scanned image is a rectangle with a copy of the first pattern near each corner.
Claim 12
Dependent Claim
82 words
A computer program product that aligns scanned images, comprising: computer code that convolves a scanned image with a filter, the scanned image including at least a first pattern that the filter will convolve into a second pattern in a convolved image; computer code that identifies the second pattern in the convolved image; and computer code that aligns the scanned image according to a position of the second pattern in the convolved image; and a computer readable medium that stores the computer codes.
Claim 13
Dependent Claim
82 words
A computer program product that aligns scanned images, comprising: computer code that convolves a scanned image with a filter, the scanned image including at least a first pattern that the filter will convolve into a second pattern in a convolved image; computer code that identifies the second pattern in the convolved image; and computer code that aligns the scanned image according to a position of the second pattern in the convolved image; and a computer readable medium that stores the computer codes.
Claim 14
Dependent Claim
33 words
The computer program product of claim 11, wherein the computer readable medium is a CD-ROM, floppy disk, tape, flash memory, system memory, hard drive, and a data signal embodied in a carrier wave.
Claim 15
Dependent Claim
37 words
The computer program product of claim 11, wherein convolving a scanned image with a filter comprises setting a convolved pixel to a difference in intensity between an odd pixel and an even pixel of the first pattern.
Claim 16
Dependent Claim
49 words
The computer program product of claim 13, wherein the odd pixel has the lowest intensity of the odd pixels and the even pixel has the highest intensity of the even pixels, if the average intensity of the odd pixels is greater than the average intensity of the even pixels.
Claim 17
Dependent Claim
50 words
The computer program product of claim 13, wherein the odd pixel has the highest intensity of the odd pixels and the even pixel has the lowest intensity of the even pixels, if the average intensity of the odd pixels is not greater than the average intensity of the even pixels.
Claim 18
Dependent Claim
15 words
The computer program product of claim 11, wherein the first pattern is a checkerboard pattern.
Claim 19
Dependent Claim
15 words
The computer program product of claim 11, wherein the second pattern is a grid pattern.
Claim 20
Dependent Claim
20 words
The computer program product of claim 11, wherein aligning the scanned image comprises aligning a grid over the scanned image.
Claim 21
Dependent Claim
30 words
The computer program product of claim 18, further comprising adjusting the position of the grid to minimize a sum of the intensities of pixels along a direction in the grid.
Claim 22
Dependent Claim
18 words
The computer program product of claim 11, wherein the scanned image includes multiple copies of the first pattern.
Claim 23
Dependent Claim
24 words
The computer program product of claim 20, wherein the scanned image is a rectangle with a copy of the first pattern near each corner.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-07-18 | 2004-01-17 | 2004-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-07-18 | 2008-01-17 | 2008-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-07-18 | 2012-01-17 | 2012-07-18 | $7700.00 | Window Closed / Lapsed |