US5469512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern recognition device
Assignee: Sony Corp
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Filing: 1993-09-07
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Granted: 1995-11-21
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Expires: 2013-09-07
Abstract
Abstract The recognition pattern device is intended to improve the recognition ratio. In a pre-processing unit 3, an input pattern is prepared based on the image taken from a video camera 1. Then, in a comparing processing unit 4, the input pattern is compared with a basic pattern stored in a function learning storing unit, and the deformed amount of the input pattern to the basic pattern is calculated. Thus, in a deformed amount analysis unit, the deformed amount is analyzed. Finally, in a person's information learning storing unit, on the basis of the above result, the standard pattern stored therein is regenerated.
Inventors
- 👤 Masahiro Fujita
- 👤 Shigeru Arisawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:41
CPC Classifications
G; G06; G06T; G06T1/00; G06V; G06V10/00; G06V10/40; G06V10/44
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
140 words
A pattern recognition device comprising: a basic pattern storing means for storing a basic pattern; a standard pattern storing means for storing a standard pattern; a preparing means for preparing an input pattern on the basis of inputted information; a comparing means for comparing the input pattern prepared by the preparing means with the basic pattern stored in the basic pattern storing means, and calculating at least a deformed amount of the input pattern to the basic pattern and a correlation amount; an analyzing means for analyzing the deformed amount calculated by the comparing means and generating an analysis result; and a standard pattern regenerating means for regenerating a standard pattern stored in the standard pattern storing means as a function of at least the analysis result from the analyzing means and the correlation amount calculated by the comparing means.
Claim 2
Dependent Claim
140 words
A pattern recognition device comprising: a basic pattern storing means for storing a basic pattern; a standard pattern storing means for storing a standard pattern; a preparing means for preparing an input pattern on the basis of inputted information; a comparing means for comparing the input pattern prepared by the preparing means with the basic pattern stored in the basic pattern storing means, and calculating at least a deformed amount of the input pattern to the basic pattern and a correlation amount; an analyzing means for analyzing the deformed amount calculated by the comparing means and generating an analysis result; and a standard pattern regenerating means for regenerating a standard pattern stored in the standard pattern storing means as a function of at least the analysis result from the analyzing means and the correlation amount calculated by the comparing means.
Claim 3
Dependent Claim
39 words
A pattern recognition means according to claim 1, wherein the preparing means filters the inputted information with a Laplacean of Gaussian (LOG) filter, to detect a zero crossing point, and filters the inputted information with a low pass filter.
Claim 4
Dependent Claim
46 words
A pattern recognition device according to claim 1, wherein the basic pattern is divided into a series of blocks and the comparing means matches the input pattern with the basic pattern for each block, and calculates a movement amount of each block as the deformed amount.
Claim 5
Dependent Claim
23 words
A pattern recognition device according to claim 1, wherein the preparing means prepares the input pattern as a function of a face image.
Claim 6
Dependent Claim
60 words
A pattern recognition device according to claim 1, wherein the preparing means prepare an input pattern on the basis of inputted video image information of a particular person's face, the basic pattern storing means stores image data of a human face as a basic pattern, and the standard pattern storing means stores visual image identification data as a standard pattern.
Claim 7
Dependent Claim
24 words
A pattern recognition device according to claim 5, wherein the standard pattern is obtained from a plurality of visual images from the same person.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-11-20 | 1999-05-22 | 1999-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-11-20 | 2003-05-22 | 2003-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-11-20 | 2007-05-22 | 2007-11-21 | $7700.00 | Window Closed / Lapsed |