JP4002549B2 - ビデオ圧縮/圧縮解除システムのフィールド除去装置 - Google Patents
ビデオ圧縮/圧縮解除システムのフィールド除去装置 Download PDFInfo
- Publication number
- JP4002549B2 JP4002549B2 JP2003348928A JP2003348928A JP4002549B2 JP 4002549 B2 JP4002549 B2 JP 4002549B2 JP 2003348928 A JP2003348928 A JP 2003348928A JP 2003348928 A JP2003348928 A JP 2003348928A JP 4002549 B2 JP4002549 B2 JP 4002549B2
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- field
- fields
- odd
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/87—Producing a motion picture film from a television signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0112—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
Description
12 第1バッファメモリ(Bn)
14 第2バッファメモリ(Bn-1)
16 減算器
17 コアリング回路
18 アキュムレータ
20 閾値検出器
21 リシーケンサ
23 圧縮装置
24 データフォーマッタ
25 エンコーダ
26 トランスポート・プロセッサ
Claims (5)
- 複数のフレーム内に形成された複数のフィールドを含むビデオ信号のソース(10)と、
前記複数のフレームの連続するフィールド同士を比較し、前記複数のフィールドのうちの実質的に同一であるフィールドを除去し、除去後のビデオ信号を生成する回路(12,14,21)と、
前記除去後のビデオ信号を圧縮するビデオ信号コンプレッサ(25)と、
削除されたフィールドを再現することを可能にするために、繰り返すフィールドを特定するとともに、該再現されるフィールドの時間的な順番を示すフラグデータを生成する手段(11,20)と、
伝送するために、圧縮されたビデオ信号と前記フラグデータを合成する手段(26)と
を備えたことを特徴とするビデオ信号圧縮装置。 - 請求の範囲第1項において、前記ビデオ信号は偶数および奇数フィールドを含み、
前記比較する回路は、連続するフレームにおいて偶数および奇数フィールドをそれぞれ比較し、連続するフレーム内の偶数および奇数フィールドが実質的に同一である場合に、実質的に同一のフィールドを除去する手段を含むことを特徴とするビデオ信号圧縮装置。 - 請求の範囲第1項において、
ビデオ信号圧縮装置は、フィールドが実質的に冗長であることを示す前記フラグデータに応答して、n回連続して生起する実質的に冗長なフィールドに対して、予め定めた数m個の実質的に冗長なフィールドを、ビデオ信号の前記ソースから除去する手段を含み、前記mとnが整数であって、n>mの関係を有することを特徴とするビデオ信号圧縮装置。 - ビデオ信号のソース(10)と、
連続するイメージフレームの個々の偶数ラインと、連続するイメージフレームの個々の奇数ラインを比較する手段であって、連続するイメージフレームの全偶数ラインか、あるいは、連続するイメージフレームの全奇数ラインが実質的に冗長であることを示す信号を生成する手段(12,14)と、
イメージフレームの前記偶数ラインか前記奇数ラインが実質的に冗長であることを示す前記信号に応答する手段であって、前記全偶数または全奇数の実質的に冗長なラインを含むイメージフレームの前記偶数または前記奇数ラインを除去する手段(21)と、
ビデオ信号の連続するイメージフレームを残りのビデオ信号から構成する手段(25)と、
個々の再構成されたイメージフレームの奇数ラインまたは偶数ラインの時間的な生起順を示す信号DFを生成する手段(11)と、
伝送するために、前記再構成されたイメージフレームと、前記信号DFを合成する手段(26)と
を備えたことを特徴とするビデオ信号処理装置。 - 請求の範囲第4項において、
イメージフレームの前記偶数または全奇数ラインが実質的に冗長であることを示す前記信号に応答する手段であって、前記再構成されたフレームのうちのどのフレームが前記実質的に冗長なラインと関係付けをしたビデオ信号を含むかを示す信号DTを生成する手段と、
伝送するために、前記信号DTと、前記再構成されたイメージフレームを合成する手段と
を備えたことを特徴とするビデオ信号処理装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/004,753 US5491516A (en) | 1993-01-14 | 1993-01-14 | Field elimination apparatus for a video compression/decompression system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51626894A Division JP3510628B2 (ja) | 1993-01-14 | 1994-01-10 | ビデオ圧縮/圧縮解除システムのフィールド除去装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004088800A JP2004088800A (ja) | 2004-03-18 |
JP4002549B2 true JP4002549B2 (ja) | 2007-11-07 |
Family
ID=21712357
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51626894A Expired - Lifetime JP3510628B2 (ja) | 1993-01-14 | 1994-01-10 | ビデオ圧縮/圧縮解除システムのフィールド除去装置 |
JP2003348928A Expired - Lifetime JP4002549B2 (ja) | 1993-01-14 | 2003-10-08 | ビデオ圧縮/圧縮解除システムのフィールド除去装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51626894A Expired - Lifetime JP3510628B2 (ja) | 1993-01-14 | 1994-01-10 | ビデオ圧縮/圧縮解除システムのフィールド除去装置 |
Country Status (17)
Country | Link |
---|---|
US (3) | US5491516A (ja) |
EP (1) | EP0679316B1 (ja) |
JP (2) | JP3510628B2 (ja) |
KR (1) | KR100282981B1 (ja) |
CN (1) | CN1080516C (ja) |
AT (1) | ATE167015T1 (ja) |
BR (1) | BR9405710A (ja) |
CA (1) | CA2153886C (ja) |
DE (1) | DE69410781T2 (ja) |
ES (1) | ES2117252T3 (ja) |
FI (1) | FI113929B (ja) |
MY (1) | MY109889A (ja) |
RU (1) | RU2115258C1 (ja) |
SG (2) | SG110033A1 (ja) |
TR (1) | TR27398A (ja) |
TW (1) | TW225080B (ja) |
WO (1) | WO1994016526A1 (ja) |
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1993
- 1993-01-14 US US08/004,753 patent/US5491516A/en not_active Expired - Lifetime
- 1993-10-05 TW TW082108202A patent/TW225080B/zh not_active IP Right Cessation
- 1993-12-30 MY MYPI93002876A patent/MY109889A/en unknown
-
1994
- 1994-01-10 RU RU95116653A patent/RU2115258C1/ru active
- 1994-01-10 BR BR9405710A patent/BR9405710A/pt not_active IP Right Cessation
- 1994-01-10 SG SG200301641A patent/SG110033A1/en unknown
- 1994-01-10 ES ES94906576T patent/ES2117252T3/es not_active Expired - Lifetime
- 1994-01-10 JP JP51626894A patent/JP3510628B2/ja not_active Expired - Lifetime
- 1994-01-10 EP EP94906576A patent/EP0679316B1/en not_active Expired - Lifetime
- 1994-01-10 AT AT94906576T patent/ATE167015T1/de active
- 1994-01-10 KR KR1019950702901A patent/KR100282981B1/ko not_active IP Right Cessation
- 1994-01-10 CA CA002153886A patent/CA2153886C/en not_active Expired - Lifetime
- 1994-01-10 CN CN94191176A patent/CN1080516C/zh not_active Expired - Lifetime
- 1994-01-10 DE DE69410781T patent/DE69410781T2/de not_active Expired - Lifetime
- 1994-01-10 WO PCT/US1994/000313 patent/WO1994016526A1/en active IP Right Grant
- 1994-01-10 SG SG9602473A patent/SG94680A1/en unknown
- 1994-01-12 TR TR00029/94A patent/TR27398A/xx unknown
- 1994-10-18 US US08/324,558 patent/US5426464A/en not_active Expired - Lifetime
-
1995
- 1995-03-20 US US08/407,735 patent/US5600376A/en not_active Expired - Lifetime
- 1995-07-13 FI FI953429A patent/FI113929B/fi not_active IP Right Cessation
-
2003
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Publication number | Publication date |
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ATE167015T1 (de) | 1998-06-15 |
KR100282981B1 (ko) | 2001-03-02 |
US5600376A (en) | 1997-02-04 |
FI953429A (fi) | 1995-08-23 |
EP0679316B1 (en) | 1998-06-03 |
CN1080516C (zh) | 2002-03-06 |
MY109889A (en) | 1997-09-30 |
WO1994016526A1 (en) | 1994-07-21 |
US5426464A (en) | 1995-06-20 |
FI953429A0 (fi) | 1995-07-13 |
TR27398A (tr) | 1995-02-28 |
BR9405710A (pt) | 1996-08-06 |
CN1117780A (zh) | 1996-02-28 |
CA2153886A1 (en) | 1994-07-21 |
EP0679316A1 (en) | 1995-11-02 |
TW225080B (en) | 1994-06-11 |
JP3510628B2 (ja) | 2004-03-29 |
SG110033A1 (en) | 2005-04-28 |
CA2153886C (en) | 2003-08-05 |
DE69410781T2 (de) | 1998-10-15 |
DE69410781D1 (de) | 1998-07-09 |
US5491516A (en) | 1996-02-13 |
ES2117252T3 (es) | 1998-08-01 |
SG94680A1 (en) | 2003-03-18 |
FI113929B (fi) | 2004-06-30 |
KR960700610A (ko) | 1996-01-20 |
JP2004088800A (ja) | 2004-03-18 |
RU2115258C1 (ru) | 1998-07-10 |
JPH08507182A (ja) | 1996-07-30 |
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