US5479264A
Expired / Lapsed
US
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High-efficiency encoder and video information recording/reproducing apparatus
Assignee: Mitsubishi Electric Corp
•
Filing: 1993-01-29
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Granted: 1995-12-26
•
Expires: 2013-01-29
Abstract
Abstract In a high-efficiency encoder which performs motion-compensation prediction, an intra-field is set every n fields. The presence of a scene change is detected. When a scene change occurs, a reference picture of motion-compensation prediction is switched, or the field immediately after the scene change is set as an intra-field.
Inventors
- 👤 Tomohiro Ueda
- 👤 Takashi Itow
- 👤 Yoshinori Asamura
- 👤 Ken Onishi
- 👤 Hidetoshi Mishima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:56
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/02; G11B27/031; G11B27/032; G11B27/036; G11B27/10; G11B27/19; G11B27/28; H; H04; H04N; H04N19/00; H04N19/10; H04N19/102; H04N19/103; H04N19/105; H04N19/114; H04N19/134; H04N19/136; H04N19/137; H04N19/142; H04N19/146; H04N19/169; H04N19/17; H04N19/172; H04N19/177; H04N19/179; H04N19/42; H04N19/46; H04N19/50; H04N19/503; H04N19/51; H04N19/577; H04N19/60; H04N19/61; H04N19/85; H04N19/87; H04N21/00; H04N21/20; H04N21/23; H04N21/234; H04N21/23418; H04N21/23424; H04N21/236; H04N21/238; H04N21/2383; H04N21/40; H04N21/41; H04N21/4104; H04N21/4135; H04N21/43; H04N21/433; H04N21/4334; H04N21/434; H04N21/438; H04N21/4382; H04N21/44; H04N21/44016; H04N5/00; H04N5/76; H04N5/91; H04N5/92; H04N5/926; H04N5/9261; H04N5/9262; H04N5/9264; H04N9/00; H04N9/79; H04N9/80; H04N9/804; H04N9/8042; G11B2220/00; G11B2220/20; G11B2220/90; G11B27/034; H04N19/107; H04N19/152; H04N5/78; H04N5/782; H04N5/7824; H04N5/7826; H04N5/78263; H04N5/78266; H04N5/928; H04N9/806; H04N9/8063; H04N9/82; H04N9/83; H04N9/835; H04N9/8355
Claims Analysis
Total Claims: 85
Claim 1
Independent Claim
39 words
A video information apparatus comprising: a recording device, recording video information with helical scanning, wherein said recording device collects signals of a plurality of fields or frames in one recording unit and records in a predetermined number of tracks.
Claim 2
Dependent Claim
39 words
A video information apparatus comprising: a recording device, recording video information with helical scanning, wherein said recording device collects signals of a plurality of fields or frames in one recording unit and records in a predetermined number of tracks.
Claim 3
Dependent Claim
33 words
The video information apparatus of claim 1, wherein the number of the plurality of fields or frames is four and the number of the plurality of tracks is one of six or ten.
Claim 4
Dependent Claim
30 words
The video information apparatus of claim 1, wherein said recorder records the plurality of fields or frames on the plurality of tracks of a magnetic type using helical scanning recording.
Claim 5
Dependent Claim
39 words
The video information apparatus of claim 1, wherein an information amount of one field or frame in the one recording unit is not an integral multiple of an information amount recordable in one of the predetermined number of tracks.
Claim 6
Dependent Claim
45 words
The video information apparatus of claim 4, wherein, in the signals of a plurality of fields or frames, said recording device mixes an intra-field or intra-frame in which interplane prediction is not used and a prediction-field or prediction frame in which interplane prediction is used.
Claim 7
Dependent Claim
45 words
The video information apparatus, of claim 1 said recording device, including an encoder, encoding the digital video signal including a plurality of fields or frames; and a recorder, recording the plurality of fields or frames as the one recording unit in the plurality of tracks.
Claim 8
Dependent Claim
29 words
The video information apparatus of claim 6, wherein a number of the plurality of tracks depends on an amount of information contained in the plurality of fields or frames.
Claim 9
Dependent Claim
33 words
The video information of claim 6, wherein said encoder encodes some of the plurality of fields or frames with interplane prediction and others of the plurality of fields or frames without interplane prediction.
Claim 10
Dependent Claim
25 words
The video information apparatus of claim 8, wherein a first of said plurality of fields or frames is encoded by said encoder without interplane prediction.
Claim 11
Dependent Claim
28 words
The video information apparatus of claim 6, said encoder including, a high-efficiency code encoder, selecting the video signal or a prediction difference signal and encoding the selected signal.
Claim 12
Dependent Claim
46 words
The video information apparatus of claim 10, said encoder further including, an A/D converter, converting an analog video signal to the digital video signal, and an error correction encoder, adding error correction codes, for correcting transmission errors, to a compressed signal from said high-efficiency code encoder.
Claim 13
Dependent Claim
45 words
The video information apparatus of claim 11, said recorder including, a modulator, receiving and modulating the compressed signal with error correction codes from said error correction encoder to produce a modulated record signal, and recording heads, recording the modulated record signal on a magnetic tape.
Claim 14
Dependent Claim
29 words
The video information apparatus of claim 10, wherein said high efficiency encoder encodes the digital video signal without interplane prediction and encodes the prediction difference signal with interplane prediction.
Claim 15
Dependent Claim
32 words
The video information apparatus of claim 13, wherein said high efficiency encoder encodes the digital video signal without interplane prediction by orthogonally transforming, quantizing, and variable length encoding the digital video signal.
Claim 16
Dependent Claim
46 words
The video information apparatus of claim 13, wherein said high efficiency encoder encodes the prediction digital signal using interplane prediction by orthogonally transforming, quantizing, and variable length encoding the prediction difference signal, which is a difference between subsequent fields or frames of the digital video signal.
Claim 17
Dependent Claim
38 words
The video information apparatus of claim 10, said high efficiency code encoder including, a local decoder, providing a prediction signal, and a subtractor, subtracting the prediction signal from the digital video signal to produce the prediction difference signal.
Claim 18
Dependent Claim
62 words
The video information apparatus of claim 16, said local decoder including, an inverse processing circuit, for inverse quantizing and inverse orthogonally transforming a processed signal to reproduce the digital video signal, and a motion compensating circuit, producing the prediction signal based a difference between the digital video signal from said encoder and the reproduced digital video signal from said inverse processing circuit.
Claim 19
Dependent Claim
56 words
The video information apparatus of claim 16, said high efficiency code encoder, further including, a switch, selecting either the digital video signal or the prediction difference signal, a processing circuit, orthogonally transforming and quantizing the selected signal to produce the processed signal, and a variable length encoder, encoding the processed signal to produce a compressed signal.
Claim 20
Dependent Claim
42 words
The video information apparatus of claim 6, further comprising: a reproducing device, including a reproducer, reproducing the plurality of fields or frames as the one recording unit in the plurality of tracks; and a decoder, decoding the plurality of fields or frames.
Claim 21
Dependent Claim
29 words
The video information apparatus of claim 19, wherein a number of the plurality of tracks depends on an amount of information contained in the plurality of fields or frames.
Claim 22
Dependent Claim
34 words
The video information apparatus of claim 19, wherein said decoder decodes some of the plurality of fields or frames with interplane prediction and others of the plurality of fields or frames without interplane prediction.
Claim 23
Dependent Claim
25 words
The video information apparatus of claim 21, wherein a first of said plurality of fields or frames is encoded by said encoder without interplane prediction.
Claim 24
Dependent Claim
34 words
The video information apparatus of claim 19, said reproducer including, reproducing heads, reproducing a modulated record signal on a magnetic tape, and a demodulator, demodulating the modulated reproduced signal, recorded on the magnetic tape.
Claim 25
Dependent Claim
56 words
The video information apparatus of claim 23, said decoder including, an error correction decoder, decoding a demodulated signal from said demodulator, a high-efficiency code decoder, decoding an error corrected signal from said error correction decoder to reproduce the digital video signal, and a D/A converter, converting the reproduced digital video signal to a reproduced analog signal.
Claim 26
Dependent Claim
30 words
The video information apparatus of claim 19, wherein a number of the plurality of fields or frames is not an integral multiple of a number of the plurality of tracks.
Claim 27
Dependent Claim
33 words
The video information apparatus of claim 25, wherein the number of the plurality of fields or frames is four and the number of the plurality of tracks is one of six or ten.
Claim 28
Dependent Claim
30 words
The video information apparatus of claim 26, wherein said recorder records the plurality of fields or frames on the plurality of tracks of a magnetic tape using helical scanning recording.
Claim 29
Dependent Claim
30 words
The video information apparatus of claim 26, wherein said reproducer reproduces the plurality of fields or frames on the plurality of tracks of a magnetic tape using helical scanning reproducing.
Claim 30
Dependent Claim
54 words
A video information apparatus comprising: a recording device, recording video information with helical scanning, wherein said recording device collects signals of a plurality of fields or frames in one recording unit, and records in one or more tracks selected from a predetermined number of tracks in accordance with an information amount to be recorded.
Claim 31
Dependent Claim
54 words
A video information apparatus comprising: a recording device, recording video information with helical scanning, wherein said recording device collects signals of a plurality of fields or frames in one recording unit, and records in one or more tracks selected from a predetermined number of tracks in accordance with an information amount to be recorded.
Claim 32
Dependent Claim
30 words
The video information apparatus of claim 29, wherein said recorder records the plurality of fields or frames on the plurality of tracks of a magnetic type using helical scanning recording.
Claim 33
Dependent Claim
45 words
The video information apparatus, of claim 29 said recording device, including an encoder, encoding the digital video signal including a plurality of fields or frames; and a recorder, recording the plurality of fields or frames as the one recording unit in the plurality of tracks.
Claim 34
Dependent Claim
28 words
The video information apparatus of claim 31, said encoder including, a high-efficiency code encoder, selecting the video signal or a prediction difference signal and encoding the selected signal.
Claim 35
Dependent Claim
46 words
The video information apparatus of claim 32, said encoder further including, an A/D converter, converting an analog video signal to the digital video signal, and an error correction encoder, adding error correction codes, for correcting transmission errors, to a compressed signal from said high-efficiency code encoder.
Claim 36
Dependent Claim
45 words
The video information apparatus of claim 33, said recorder including, a modulator, receiving and modulating the compressed signal with error correction codes from said error correction encoder to produce a modulated record signal, and recording heads, recording the modulated record signal on a magnetic tape.
Claim 37
Dependent Claim
29 words
The video information apparatus of claim 33, wherein said high efficiency encoder encodes the digital video signal without interplane prediction and encodes the prediction difference signal with interplane prediction.
Claim 38
Dependent Claim
32 words
The video information apparatus of claim 35, wherein said high efficiency encoder encodes the digital video signal without interplane prediction by orthogonally transforming, quantizing, and variable length encoding the digital video signal.
Claim 39
Dependent Claim
46 words
The video information apparatus of claim 35, wherein said high efficiency encoder encodes the prediction digital signal using interplane prediction by orthogonally transforming, quantizing, and variable length encoding the prediction difference signal, which is a difference between subsequent fields or frames of the digital video signal.
Claim 40
Dependent Claim
38 words
The video information apparatus of claim 32, said high efficiency code encoder including, a local decoder, providing a prediction signal, and a subtractor, subtracting the prediction signal from the digital video signal to produce the prediction difference signal.
Claim 41
Dependent Claim
62 words
The video information apparatus of claim 38, said local decoder including, an inverse processing circuit, for inverse quantizing and inverse orthogonally transforming a processed signal to reproduce the digital video signal, and a motion compensating circuit, producing the prediction signal based a difference between the digital video signal from said encoder and the reproduced digital video signal from said inverse processing circuit.
Claim 42
Dependent Claim
56 words
The video information apparatus of claim 38, said high efficiency code encoder, further including, a switch, selecting either the digital video signal or the prediction difference signal, a processing circuit, orthogonally transforming and quantizing the selected signal to produce the processed signal, and a variable length encoder, encoding the processed signal to produce a compressed signal.
Claim 43
Dependent Claim
39 words
The video information apparatus of claim 29, wherein an information amount of one field or frame in the one recording unit is not an integral multiple of an information amount recordable in one of the predetermined number of tracks.
Claim 44
Dependent Claim
45 words
The video information apparatus of claim 41, wherein, in the signals of a plurality of fields or frames, said recording device mixes an intra-field or intra-frame in which interplane prediction is not used and a prediction-field or prediction frame in which interplane prediction is used.
Claim 45
Dependent Claim
33 words
The video information apparatus of claim 41, wherein the number of the plurality of fields or frames is four and the number of the plurality of tracks is one of six or ten.
Claim 46
Dependent Claim
29 words
The video information apparatus of claim 43, wherein a number of the plurality of tracks depends on an amount of information contained in the plurality of fields or frames.
Claim 47
Dependent Claim
33 words
The video information of claim 43, wherein said encoder encodes some of the plurality of fields or frames with interplane prediction and others of the plurality of fields or frames without interplane prediction.
Claim 48
Dependent Claim
25 words
The video information apparatus of claim 45, wherein a first of said plurality of fields or frames is encoded by said encoder without interplane prediction.
Claim 49
Dependent Claim
42 words
The video information apparatus of claim 43, further comprising: a reproducing device, including a reproducer, reproducing the plurality of fields or frames as the one recording unit in the plurality of tracks; and a decoder, decoding the plurality of fields or frames.
Claim 50
Dependent Claim
30 words
The video information apparatus of claim 47, wherein said recorder records the plurality of fields or frames on the plurality of tracks of a magnetic tape using helical scanning recording.
Claim 51
Dependent Claim
30 words
The video information apparatus of claim 47, wherein said reproducer reproduces the plurality of fields or frames on the plurality of tracks of a magnetic tape using helical scanning reproducing.
Claim 52
Dependent Claim
29 words
The video information apparatus of claim 47, wherein a number of the plurality of tracks depends on an amount of information contained in the plurality of fields or frames.
Claim 53
Dependent Claim
30 words
The video information apparatus of claim 47, wherein a number of the plurality of fields or frames is not an integral multiple of a number of the plurality of tracks.
Claim 54
Dependent Claim
33 words
The video information apparatus of claim 51, wherein the number of the plurality of fields or frames is four and the number of the plurality of tracks is one of six or ten.
Claim 55
Dependent Claim
34 words
The video information apparatus of claim 47, wherein said decoder decodes some of the plurality of fields or frames with interplane prediction and others of the plurality of fields or frames without interplane prediction.
Claim 56
Dependent Claim
25 words
The video information apparatus of claim 53, wherein a first of said plurality of fields or frames is encoded by said encoder without interplane prediction.
Claim 57
Dependent Claim
34 words
The video information apparatus of claim 47, said reproducer including, reproducing heads, reproducing a modulated record signal on a magnetic tape, and a demodulator, demodulating the modulated reproduced signal, recorded on the magnetic tape.
Claim 58
Dependent Claim
56 words
The video information apparatus of claim 55, said decoder including, an error correction decoder, decoding a demodulated signal from said demodulator, a high-efficiency code decoder, decoding an error corrected signal from said error correction decoder to reproduce the digital video signal, and a D/A converter, converting the reproduced digital video signal to a reproduced analog signal.
Claim 59
Dependent Claim
42 words
A video information apparatus, comprising: a recording device, including an encoder, encoding a digital video signal including a plurality of fields or frames; and a recorder, recording the plurality of fields or frames as one recording unit in a plurality of tracks.
Claim 60
Dependent Claim
42 words
A video information apparatus, comprising: a recording device, including an encoder, encoding a digital video signal including a plurality of fields or frames; and a recorder, recording the plurality of fields or frames as one recording unit in a plurality of tracks.
Claim 61
Dependent Claim
30 words
The video information apparatus of claim 57, wherein a number of the plurality of fields or frames is not an integral multiple of a number of the plurality of tracks.
Claim 62
Dependent Claim
33 words
The video information apparatus of claim 58, wherein the number of the plurality of fields or frames is four and the number of the plurality of tracks is one of six or ten.
Claim 63
Dependent Claim
30 words
The video information apparatus of claim 57, wherein said recorder records the plurality of fields or frames on the plurality of tracks of a magnetic type using helical scanning recording.
Claim 64
Dependent Claim
29 words
The video information apparatus of claim 57, wherein a number of the plurality of tracks depends on an amount of information contained in the plurality of fields or frames.
Claim 65
Dependent Claim
33 words
The video information of claim 57, wherein said encoder encodes some of the plurality of fields or frames with interplane prediction and others of the plurality of fields or frames without interplane prediction.
Claim 66
Dependent Claim
25 words
The video information apparatus of claim 62, wherein a first of said plurality of fields or frames is encoded by said encoder without interplane prediction.
Claim 67
Dependent Claim
28 words
The video information apparatus of claim 57, said encoder including, a high-efficiency code encoder, selecting the video signal or a prediction difference signal and encoding the selected signal.
Claim 68
Dependent Claim
46 words
The video information apparatus of claim 64, said encoder further including, an A/D converter, converting an analog video signal to the digital video signal, and an error correction encoder, adding error correction codes, for correcting transmission errors, to a compressed signal from said high-efficiency code encoder.
Claim 69
Dependent Claim
45 words
The video information apparatus of claim 65, said recorder including, a modulator, receiving and modulating the compressed signal with error correction codes from said error correction encoder to produce a modulated record signal, and recording heads, recording the modulated record signal on a magnetic tape.
Claim 70
Dependent Claim
29 words
The video information apparatus of claim 64, wherein said high efficiency encoder encodes the digital video signal without interplane prediction and encodes the prediction difference signal with interplane prediction.
Claim 71
Dependent Claim
32 words
The video information apparatus of claim 67, wherein said high efficiency encoder encodes the digital video signal without interplane prediction by orthogonally transforming, quantizing, and variable length encoding the digital video signal.
Claim 72
Dependent Claim
46 words
The video information apparatus of claim 67, wherein said high efficiency encoder encodes the prediction digital signal using interplane prediction by orthogonally transforming, quantizing, and variable length encoding the prediction difference signal, which is a difference between subsequent fields or frames of the digital video signal.
Claim 73
Dependent Claim
38 words
The video information apparatus of claim 64, said high efficiency code encoder including, a local decoder, providing a prediction signal, and a subtractor, subtracting the prediction signal from the digital video signal to produce the prediction difference signal.
Claim 74
Dependent Claim
62 words
The video information apparatus of claim 70, said local decoder including, an inverse processing circuit, for inverse quantizing and inverse orthogonally transforming a processed signal to reproduce the digital video signal, and a motion compensating circuit, producing the prediction signal based a difference between the digital video signal from said encoder and the reproduced digital video signal from said inverse processing circuit.
Claim 75
Dependent Claim
56 words
The video information apparatus of claim 70, said high efficiency code encoder, further including, a switch, selecting either the digital video signal or the prediction difference signal, a processing circuit, orthogonally transforming and quantizing the selected signal to produce the processed signal, and a variable length encoder, encoding the processed signal to produce a compressed signal.
Claim 76
Dependent Claim
42 words
The video information apparatus of claim 57, further comprising: a reproducing device, including a reproducer, reproducing the plurality of fields or frames as the one recording unit in the plurality of tracks; and a decoder, decoding the plurality of fields or frames.
Claim 77
Dependent Claim
30 words
The video information apparatus of claim 73, wherein said recorder records the plurality of fields or frames on the plurality of tracks of a magnetic tape using helical scanning recording.
Claim 78
Dependent Claim
30 words
The video information apparatus of claim 73, wherein said reproducer reproduces the plurality of fields or frames on the plurality of tracks of a magnetic tape using helical scanning reproducing.
Claim 79
Dependent Claim
29 words
The video information apparatus of claim 73, wherein a number of the plurality of tracks depends on an amount of information contained in the plurality of fields or frames.
Claim 80
Dependent Claim
30 words
The video information apparatus of claim 73, wherein a number of the plurality of fields or frames is not an integral multiple of a number of the plurality of tracks.
Claim 81
Dependent Claim
33 words
The video information apparatus of claim 77, wherein the number of the plurality of fields or frames is four and the number of the plurality of tracks is one of six or ten.
Claim 82
Dependent Claim
34 words
The video information apparatus of claim 73, wherein said decoder decodes some of the plurality of fields or frames with interplane prediction and others of the plurality of fields or frames without interplane prediction.
Claim 83
Dependent Claim
25 words
The video information apparatus of claim 79, wherein a first of said plurality of fields or frames is encoded by said encoder without interplane prediction.
Claim 84
Dependent Claim
34 words
The video information apparatus of claim 73, said reproducer including, reproducing heads, reproducing a modulated recording signal on a magnetic tape, and a demodulator, demodulating the modulated reproduced signal, recorded on the magnetic tape.
Claim 85
Dependent Claim
56 words
The video information apparatus of claim 81, said decoder including, an error correction decoder, decoding a demodulated signal from said demodulator, a high-efficiency code decoder, decoding an error corrected signal from said error correction decoder to reproduce the digital video signal, and a D/A converter, converting the reproduced digital video signal to a reproduced analog signal.
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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) | 1998-12-25 | 1999-06-26 | 1999-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-12-25 | 2003-06-26 | 2003-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-12-25 | 2007-06-26 | 2007-12-26 | $7700.00 | Window Closed / Lapsed |