Patent US6992697B2 successfully refreshed from Google Patents.
US6992697B2
Expired / Lapsed
US
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Method and apparatus to measure video quality on any display device with any image size starting from a know display type and size
Assignee: Uniloc 2017 LLC
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Filing: 2002-06-19
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Granted: 2006-01-31
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Expires: 2022-06-19
Abstract
Abstract A method of measuring the video quality on display devices of differing types and/or sizes based on a known display type and size, said method includes the steps of: (a) obtaining a subjective quality score of video sequences viewed on a first display device; (b) obtaining an objective quality score of the video sequences in step (a); (c) obtaining a subjective quality score on a second display device, wherein the second display device having at least one difference in size and type than the first display device; (d) estimating an objective quality score for the second display device based on a correlation between the subjective and objective scores of the first display device, and the subjective score of the second display device. An apparatus and system provide hardware and modules to permit the measurement of video quality and optional fine tuning of the video quality of the second display based on the objective video quality scores.
Inventors
- 👤 Walid Ali
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:15
CPC Classifications
H; H04; H04N; H04N17/00; H04N17/04
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
122 words
A method of measuring the video quality on display devices of differing types and/or sizes based on a known display type and size, said method comprising the steps of: (a) obtaining a subjective quality score of video sequences viewed on a first display device; (b) obtaining an objective quality score of the video sequences in step (a); (c) obtaining a subjective quality scare on a second display device, wherein said second display device has at least one difference in size and type than the first display device; (d) estimating an objective quality score for the second display device based on a correlation between the subjective and objective scores of the first display device, and the subjective score of the second display device.
Claim 2
Independent Claim
122 words
A method of measuring the video quality on display devices of differing types and/or sizes based on a known display type and size, said method comprising the steps of: (a) obtaining a subjective quality score of video sequences viewed on a first display device; (b) obtaining an objective quality score of the video sequences in step (a); (c) obtaining a subjective quality scare on a second display device, wherein said second display device has at least one difference in size and type than the first display device; (d) estimating an objective quality score for the second display device based on a correlation between the subjective and objective scores of the first display device, and the subjective score of the second display device.
Claim 3
Dependent Claim
38 words
The method according to claim 1 , further comprising: (e) providing the estimated objective scores of the second display device to a video processing unit so as to display the video sequences according to the estimated objective scores.
Claim 4
Dependent Claim
31 words
The method according to claim 1 , wherein the first display device is a cathode ray tube (CRT) and the second display device is one of a Liquid Crystal Display (LCD).
Claim 5
Dependent Claim
27 words
The method according to claim 1 , wherein the first display is a Liquid Crystal Display (LCD) and the second display is a cathode ray tube (CRT).
Claim 6
Dependent Claim
20 words
The method according to claim 1 , wherein the first display has a different diagonal length than the second display.
Claim 7
Independent Claim
153 words
A method of measuring the video quality on display devices of differing types and/or sizes based on a known display type and size, said method comprising the steps of: (a) obtaining a subjective quality score of video sequences viewed on a first display device; (b) obtaining an objective quality score of the video sequences in step (a); (c) obtaining a subjective quality score on a second display device, wherein said second display device has at least one difference in size and type than the first display device; (d) estimating an objective quality score for the second display device based on a correlation between the subjective and objective scores of the first display device, and the subjective score of the second display device, wherein step (d) includes: (i) warping the subjective score of the second display around the subjective score of the first display by performing a non-linear regression between the respective subjective scores.
Claim 8
Independent Claim
153 words
A method of measuring the video quality on display devices of differing types and/or sizes based on a known display type and size, said method comprising the steps of: (a) obtaining a subjective quality score of video sequences viewed on a first display device; (b) obtaining an objective quality score of the video sequences in step (a); (c) obtaining a subjective quality score on a second display device, wherein said second display device has at least one difference in size and type than the first display device; (d) estimating an objective quality score for the second display device based on a correlation between the subjective and objective scores of the first display device, and the subjective score of the second display device, wherein step (d) includes: (i) warping the subjective score of the second display around the subjective score of the first display by performing a non-linear regression between the respective subjective scores.
Claim 9
Dependent Claim
39 words
The method according to claim 6 , wherein step (d) further includes: (ii) estimating a model and parameters to maximize correlation with the subjective score of the first and second displays by providing a parametric maximum likelihood estimation problem.
Claim 10
Dependent Claim
25 words
The method according to claim 1 , wherein the subjective quality score in step (a) comprises a composite score including a plurality of individual metrics.
Claim 11
Dependent Claim
25 words
The method according to claim 1 , wherein the objective quality score in step (b) comprises a composite metric including a plurality of individual metrics.
Claim 12
Dependent Claim
25 words
The method according to claim 1 , wherein the subject quality score in step (a) comprises a composite score including a plurality of individual metrics.
Claim 13
Dependent Claim
23 words
The method according to claim 1 , wherein the estimated objective quality score is a composite score including a plurality of individual metrics.
Claim 14
Independent Claim
133 words
An apparatus for measuring the video quality on display devices of different types and/or sizes based on a known display type and size, said apparatus comprising: (a) means for obtaining a subjective quality score of video sequences viewed on a first display device; (b) means for obtaining an objective quality score of the video sequences in that received a subjective quality score in (a); (c) means for obtaining a subjective quality score on a second display device, wherein said second display device has at least one difference in size and type than the first display device; (d) means for estimating an objective quality score for the second display device based on a correlation between the subjective and objective scores of the first display device, and the subjective score of the second display device.
Claim 15
Independent Claim
133 words
An apparatus for measuring the video quality on display devices of different types and/or sizes based on a known display type and size, said apparatus comprising: (a) means for obtaining a subjective quality score of video sequences viewed on a first display device; (b) means for obtaining an objective quality score of the video sequences in that received a subjective quality score in (a); (c) means for obtaining a subjective quality score on a second display device, wherein said second display device has at least one difference in size and type than the first display device; (d) means for estimating an objective quality score for the second display device based on a correlation between the subjective and objective scores of the first display device, and the subjective score of the second display device.
Claim 16
Dependent Claim
40 words
The apparatus according to claim 12 , further comprising: (e) means for providing the estimated objective scores of the second display device to a video processing unit so as to display the video sequences according to the estimated objective scores.
Claim 17
Dependent Claim
31 words
The apparatus according to claim 12 , wherein the first display device is a cathode ray tube (CRT) and the second display device is one of a Liquid Crystal Display (LCD).
Claim 18
Dependent Claim
27 words
The apparatus according to claim 12 , wherein the first display is a Liquid Crystal Display (LCD) and the second display is a cathode ray tube (CRT).
Claim 19
Dependent Claim
20 words
The apparatus according to claim 12 , wherein the first display and the second display have a different diagonal length.
Claim 20
Independent Claim
168 words
An apparatus for measuring the video quality on display devices of different types and/or sizes based on a known display type and size, said apparatus comprising: (a) means for obtaining a subjective quality score of video sequences viewed on a first display device; (b) means for obtaining an objective quality score of the video sequences in that received a subjective quality score in (a); (c) means for obtaining a subjective quality score on a second display device, wherein said second display device has at least one difference in size and type than the first display device; (d) means for estimating an objective quality score for the second display device based on a correlation between the subjective and objective scores of the first display device; and the subjective score of the second display device, wherein the means for estimating includes: (i) means for warping the subjective score of the second display around the subjective score of the first display by performing a non-linear regression between the respective subjective scores.
Claim 21
Independent Claim
168 words
An apparatus for measuring the video quality on display devices of different types and/or sizes based on a known display type and size, said apparatus comprising: (a) means for obtaining a subjective quality score of video sequences viewed on a first display device; (b) means for obtaining an objective quality score of the video sequences in that received a subjective quality score in (a); (c) means for obtaining a subjective quality score on a second display device, wherein said second display device has at least one difference in size and type than the first display device; (d) means for estimating an objective quality score for the second display device based on a correlation between the subjective and objective scores of the first display device; and the subjective score of the second display device, wherein the means for estimating includes: (i) means for warping the subjective score of the second display around the subjective score of the first display by performing a non-linear regression between the respective subjective scores.
Claim 22
Dependent Claim
43 words
The apparatus according to claim 17 , wherein the means for estimating further includes: (ii) means for estimating a model and parameters to maximize correlation with the subjective score of the first and second displays by providing a parametric maximum likelihood estimation problem.
Claim 23
Dependent Claim
26 words
The apparatus according to claim 12 , wherein the subjective quality score for the first display comprises a composite score including a plurality of individual metrics.
Claim 24
Dependent Claim
26 words
The apparatus according to claim 12 , wherein the objective quality score for the first display comprises a composite metric including a plurality of individual metrics.
Claim 25
Dependent Claim
26 words
The apparatus according to claim 12 , wherein the subject quality score of the second display comprises a composite score including a plurality of individual metrics.
Claim 26
Dependent Claim
23 words
The apparatus according to claim 12 , wherein the estimated objective quality score is a composite score including a plurality of individual, metrics.
Claim 27
Independent Claim
104 words
A system for measuring video quality of a first display and a different display, said system comprising: a first display information module comprising subjective and objective scores of a first display; a second display information module comprising subjective scores of a second display; a warping module for receiving the subjective scores output from the first display and the second display and for warping the subjective scores of the second display around the subjective scores of the first display by non-linear regression; and a Maximum Likelihood Estimation (MLE) module for building a parametric maximum likelihood estimation problem to estimate objective scores for the second display.
Claim 28
Independent Claim
104 words
A system for measuring video quality of a first display and a different display, said system comprising: a first display information module comprising subjective and objective scores of a first display; a second display information module comprising subjective scores of a second display; a warping module for receiving the subjective scores output from the first display and the second display and for warping the subjective scores of the second display around the subjective scores of the first display by non-linear regression; and a Maximum Likelihood Estimation (MLE) module for building a parametric maximum likelihood estimation problem to estimate objective scores for the second display.
Claim 29
Dependent Claim
36 words
The system according to claim 23 , further comprising an estimated objective score module for the second display that communicates at least with the MLE module and provides the estimated objective scores for the second display.
Claim 30
Dependent Claim
60 words
The system according to claim 23 , wherein the second display comprises at least one of a different size and type than the first display, and the warping module and the MLE provide the estimated objective quality score based on a correlation of the subjective and objective scores of the first display and the subjective scores of the second display.
Claim 31
Dependent Claim
38 words
The system according to claim 25 , wherein subjective score and objective score of the first display and the subjective and estimated objective quality score for the second display are composite scores comprising a respective plurality of metrics.
Claim 32
Dependent Claim
56 words
The system according to claim 23 wherein the first display is a Cathode Ray Tube (CRT) display and the first display information module includes subjective and objective information for the CRT, and the second display is a Liquid Crystal Device (LCD) and the second display information module includes subjective and estimated objective information for the LCD.
Claim 33
Dependent Claim
56 words
The system according to claim 23 wherein the first display is a Liquid Crystal Display (LCD) display and the first display information module includes subjective and objective information for the LCD, and the second display is a Cathode Ray Tube (CRT) and the second display information module includes subjective and estimated objective information for the CRT.
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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) | 2009-01-30 | 2009-08-01 | 2010-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2013-01-30 | 2013-08-01 | 2014-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2017-01-30 | 2017-08-01 | 2018-01-31 | $7700.00 | Window Closed / Lapsed |