Patent US5534946A successfully refreshed from Google Patents.
US5534946A
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US
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Apparatus for performing motion-compensated picture signal interpolation
Assignee: Koninklijke Philips NV
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Filing: 1994-11-03
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Granted: 1996-07-09
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Expires: 2014-11-03
Abstract
Abstract In a motion-compensated picture signal interpolation apparatus comprising switched memories (SMX,LM) for furnishing motion-compensated pixel values corresponding to at least two motion vectors (±d, 0), the motion-compensated pixel values are processed by an ordered statistical filter (MED).
Inventors
- 👤 Gerard De Haan
- 👤 Paul W. A. C. Biezen
- 👤 Olukayode A. Ojo
- 👤 Hendrik Huijgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:53
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/12; H04N7/00; H04N7/01; H04N7/0127; H04N7/0132
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
95 words
A motion-compensated picture signal interpolation apparatus for generating an interpolated field of pixels intermediate a first and a second field of pixels, comprising: means for furnishing at least first and second motion vectors relating said first and second fields of pixels; means for furnishing a first field of motion-compensated pixel values corresponding to said first motion vector and a second field of motion-compensated pixel values corresponding to said second motion vector; and means for ordered statistical filtering of corresponding motion-compensated pixel values in said first and second fields to produce an interpolated field of pixels.
Claim 2
Dependent Claim
95 words
A motion-compensated picture signal interpolation apparatus for generating an interpolated field of pixels intermediate a first and a second field of pixels, comprising: means for furnishing at least first and second motion vectors relating said first and second fields of pixels; means for furnishing a first field of motion-compensated pixel values corresponding to said first motion vector and a second field of motion-compensated pixel values corresponding to said second motion vector; and means for ordered statistical filtering of corresponding motion-compensated pixel values in said first and second fields to produce an interpolated field of pixels.
Claim 3
Dependent Claim
50 words
A motion-compensated picture signal interpolation apparatus, comprising: means for furnishing at least two motion vectors; means for furnishing motion-compensated pixel values corresponding to said at least two motion vectors; and means for ordered statistical filtering of said motion-compensated pixel values, wherein said ordered statistical filtering means include a median filter.
Claim 4
Dependent Claim
50 words
A motion-compensated picture signal interpolation apparatus, comprising: means for furnishing at least two motion vectors; means for furnishing motion-compensated pixel values corresponding to said at least two motion vectors; and means for ordered statistical filtering of said motion-compensated pixel values, wherein said ordered statistical filtering means include a median filter.
Claim 5
Dependent Claim
86 words
A motion-compensated picture signal interpolation apparatus, comprising: means for furnishing at least two motion vectors; means for furnishing motion-compensated pixel values corresponding to said at least two motion vectors; and means for ordered statistical filtering of said motion-compensated pixel values, wherein said ordered statistical filtering means includes a median filter, and wherein said median filter is coupled to receive two pixel values from two different fields, which values correspond to a first motion vector and an average pixel value which corresponds to a zero motion vector.
Claim 6
Dependent Claim
86 words
A motion-compensated picture signal interpolation apparatus, comprising: means for furnishing at least two motion vectors; means for furnishing motion-compensated pixel values corresponding to said at least two motion vectors; and means for ordered statistical filtering of said motion-compensated pixel values, wherein said ordered statistical filtering means includes a median filter, and wherein said median filter is coupled to receive two pixel values from two different fields, which values correspond to a first motion vector and an average pixel value which corresponds to a zero motion vector.
Claim 7
Dependent Claim
118 words
A television signal receiver, comprising: receiving means coupled to receive said television signal; and a motion-compensated picture signal interpolation apparatus coupled to said receiving means for providing an interpolated field of pixels intermediate a first and a second field of pixels, wherein said interpolation apparatus includes: means for furnishing at least first and second motion vectors relating said first and second fields of pixels; means for furnishing a first field of motion-compensated pixel values corresponding to said first motion vector and a second field of motion-compensated pixel values corresponding to said second motion vector; and means for ordered statistical filtering of corresponding motion-compensated pixel values in said first and second fields to produce an interpolated field of pixels.
Claim 8
Dependent Claim
118 words
A television signal receiver, comprising: receiving means coupled to receive said television signal; and a motion-compensated picture signal interpolation apparatus coupled to said receiving means for providing an interpolated field of pixels intermediate a first and a second field of pixels, wherein said interpolation apparatus includes: means for furnishing at least first and second motion vectors relating said first and second fields of pixels; means for furnishing a first field of motion-compensated pixel values corresponding to said first motion vector and a second field of motion-compensated pixel values corresponding to said second motion vector; and means for ordered statistical filtering of corresponding motion-compensated pixel values in said first and second fields to produce an interpolated field of pixels.
Claim 9
Dependent Claim
132 words
A motion-compensated picture signal interpolation apparatus, comprising: means for furnishing a motion vector relating pixels in a first field to pixels in a second field; means for determining first possible pixel values for an intermediate field between said first and second fields as motion-compensated pixels derived from said motion vector and said pixels in said first field and for determining second possible pixel values for said intermediate field as motion-compensated pixels derived from said motion vector and said pixels in said second field; means for determining third possible pixel values for said intermediate field as average pixel values derived from corresponding pixels in said first and second fields; and means for ordered statistical filtering of said first, second and third possible pixel values to produce interpolated pixel values for said intermediate field.
Claim 10
Dependent Claim
132 words
A motion-compensated picture signal interpolation apparatus, comprising: means for furnishing a motion vector relating pixels in a first field to pixels in a second field; means for determining first possible pixel values for an intermediate field between said first and second fields as motion-compensated pixels derived from said motion vector and said pixels in said first field and for determining second possible pixel values for said intermediate field as motion-compensated pixels derived from said motion vector and said pixels in said second field; means for determining third possible pixel values for said intermediate field as average pixel values derived from corresponding pixels in said first and second fields; and means for ordered statistical filtering of said first, second and third possible pixel values to produce interpolated pixel values for said intermediate field.
Claim 11
Dependent Claim
21 words
A motion-compensated picture signal interpolation apparatus as defined in claim 5 wherein said ordered statistical filtering means includes a median filter.
Claim 12
Dependent Claim
94 words
A motion-compensated picture signal interpolation apparatus, comprising: means for furnishing at least first and second motion vectors relating pixels in a first field to pixels in a second field; means for determining first possible pixel values for an intermediate field between said first and second fields as motion-compensated pixels derived from said first motion vector and for determining second possible pixel values for said intermediate field as motion-compensated pixels derived from said second motion vector; and means for producing interpolated pixel values for said intermediate field from said first and second possible pixel values.
Claim 13
Dependent Claim
94 words
A motion-compensated picture signal interpolation apparatus, comprising: means for furnishing at least first and second motion vectors relating pixels in a first field to pixels in a second field; means for determining first possible pixel values for an intermediate field between said first and second fields as motion-compensated pixels derived from said first motion vector and for determining second possible pixel values for said intermediate field as motion-compensated pixels derived from said second motion vector; and means for producing interpolated pixel values for said intermediate field from said first and second possible pixel values.
Claim 14
Dependent Claim
28 words
A motion-compensated picture signal interpolation apparatus as defined in claim 7 wherein said means for producing interpolated pixel values for said intermediate field includes an ordered statistical filter.
Claim 15
Dependent Claim
27 words
A motion-compensated picture signal interpolation apparatus as defined in claim 7 wherein said means for producing interpolated pixel values for said intermediate field includes a median filter.
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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) | 1999-07-09 | 2000-01-08 | 2000-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-07-09 | 2004-01-08 | 2004-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-07-09 | 2008-01-08 | 2008-07-09 | $7700.00 | Window Closed / Lapsed |