KR0152013B1 - 가변장부호화를 고려한 움직임추정장치 - Google Patents
가변장부호화를 고려한 움직임추정장치Info
- Publication number
- KR0152013B1 KR0152013B1 KR1019920007757A KR920007757A KR0152013B1 KR 0152013 B1 KR0152013 B1 KR 0152013B1 KR 1019920007757 A KR1019920007757 A KR 1019920007757A KR 920007757 A KR920007757 A KR 920007757A KR 0152013 B1 KR0152013 B1 KR 0152013B1
- Authority
- KR
- South Korea
- Prior art keywords
- data
- motion vector
- variable length
- average error
- motion
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/144—Movement detection
- H04N5/145—Movement estimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/04—Colour television systems using pulse code modulation
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/223—Analysis of motion using block-matching
- G06T7/231—Analysis of motion using block-matching using full search
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/567—Motion estimation based on rate distortion criteria
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10016—Video; Image sequence
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20048—Transform domain processing
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Image Processing (AREA)
- Color Television Systems (AREA)
Abstract
Description
Claims (3)
- 움직임을 추정하여 기준화면과 현재화면의 화소데이타의 평균오차를 산출하는 평균오차산출수단; 및 상기 평균오차산출수단에서 출력되는 평균오차와 버퍼의 충만도에 따라 발생하는 양자화스텝사이즈를 인가받아 가변장부호화될 최종 전송데이타량이 최소가 되는 수평/수직변위를 움직임벡터로 설정하는 움직임벡터설정 수단을 포함하는 가변장부호화를 고려한 움직임추정장치.
- 제1항에 있어서, 상기 움직임벡터설정수단은 평균오차와 양자화스텝사이즈를 인가받아 영상신호가 가변장부호화되었을 경우의 데이타량을 추정하는 가변장부호데이타량추정부; 현재의 수평/수직변위가 움직임벡터로 선택되었을 경우 가변장부호화시의 부호길이를 연산하는 가변장부호길이연산부; 상기 가변장부호데이타추정부의 출력데이타와 상기 가변장부호길이 연산부의 출력데이타를 가산하는 제2가산기; 상기 제2가산기에서 가산된 데이타를 인가받고 수평/수직변위를 인가받아 가산된 데이타가 최소가 되는 수평/수직변위를 맞아 움직임벡터로 선택하여 출력하는 최소치탐색부; 상기 최소치탐색부에서 출력되는 움직임벡터를 소정시간 지연시키는 지연기; 및 상기 지연기에서 지연된 움직임벡터와 현재의 수평/수직변위의 오차를 계산하여 상기 가변장부호길이연산부로 출력하는 제3가산기를 구비함을 특징으로 하는 가변장부호화를 고려한 움직임추정장치.
- 제1항에 있어서, 상기 평균오차산출수단은 입력되는 현재화면을 N1*N2크기의 화소블럭으로 구분하는 제1 N1*N2블럭형성부; 프레임메모리에 저장되어 있는 기준화면에 탐색영역을 설정하는 M1*M2블럭형성부; 상기 M1*M2블럭형성부에서 설정된 M1*M2블럭의 화소데이타중 수평/수직변위에 따른 N1*N2의 블럭크기의 화소데이타를 취하는 제2 N1*N2블럭형성부; 상기 제1,2 N1*N2블럭형성부에서 출력되는 데이타의 오차를 구하는 가산기; 및 상기 가산기에서 출력되는 오차의 평균을 계산하는 평균오차계산부를 구비함을 특징으로 하는 가변장부호화를 고려한 움직임추정장치.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019920007757A KR0152013B1 (ko) | 1992-05-08 | 1992-05-08 | 가변장부호화를 고려한 움직임추정장치 |
| JP10142693A JPH06237454A (ja) | 1992-05-08 | 1993-04-27 | 可変長符号化を考慮した動作推定装置 |
| EP19930303268 EP0570127B1 (en) | 1992-05-08 | 1993-04-27 | A motion estimating device for producing variable length coded motion vector |
| DE69325743T DE69325743T2 (de) | 1992-05-08 | 1993-04-27 | Bewegungsabschätzer zur Bestimmung von kodierten Bewegungsvektoren mit variabler Länge |
| US08/058,375 US5392073A (en) | 1992-05-08 | 1993-05-10 | Motion estimating device for variable length encoded data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019920007757A KR0152013B1 (ko) | 1992-05-08 | 1992-05-08 | 가변장부호화를 고려한 움직임추정장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR930024519A KR930024519A (ko) | 1993-12-22 |
| KR0152013B1 true KR0152013B1 (ko) | 1998-10-15 |
Family
ID=19332833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019920007757A Expired - Fee Related KR0152013B1 (ko) | 1992-05-08 | 1992-05-08 | 가변장부호화를 고려한 움직임추정장치 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5392073A (ko) |
| EP (1) | EP0570127B1 (ko) |
| JP (1) | JPH06237454A (ko) |
| KR (1) | KR0152013B1 (ko) |
| DE (1) | DE69325743T2 (ko) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5508744A (en) * | 1993-03-12 | 1996-04-16 | Thomson Consumer Electronics, Inc. | Video signal compression with removal of non-correlated motion vectors |
| JP2590705B2 (ja) * | 1993-09-28 | 1997-03-12 | 日本電気株式会社 | 動き補償予測装置 |
| GB2287602B (en) * | 1994-03-16 | 1998-06-03 | Hyundai Electronics Ind | Motion vector decoding apparatus and method |
| US5644361A (en) * | 1994-11-30 | 1997-07-01 | National Semiconductor Corporation | Subsampled frame storage technique for reduced memory size |
| US5627601A (en) * | 1994-11-30 | 1997-05-06 | National Semiconductor Corporation | Motion estimation with bit rate criterion |
| US6061401A (en) * | 1995-03-20 | 2000-05-09 | Daewoo Electronics Co., Ltd. | Method and apparatus for selectively encoding/decoding a video signal |
| US5644504A (en) * | 1995-03-27 | 1997-07-01 | International Business Machines Corporation | Dynamically partitionable digital video encoder processor |
| KR0182058B1 (ko) * | 1995-05-10 | 1999-05-01 | 김광호 | 움직임 추정을 위한 다중 해상도 순환 탐색 장치 및 그 방법 |
| JP3774954B2 (ja) | 1996-10-30 | 2006-05-17 | 株式会社日立製作所 | 動画像の符号化方法 |
| JP3473528B2 (ja) * | 1999-12-10 | 2003-12-08 | 日本電気株式会社 | 動き検出装置及び動き検出方法 |
| JP3880985B2 (ja) * | 2004-08-05 | 2007-02-14 | 松下電器産業株式会社 | 動きベクトル検出装置および動きベクトル検出方法 |
| US20070041391A1 (en) * | 2005-08-18 | 2007-02-22 | Micron Technology, Inc. | Method and apparatus for controlling imager output data rate |
| US20110180611A1 (en) * | 2010-01-27 | 2011-07-28 | Silverbrook Research Pty Ltd | Coding pattern comprising multi-ppm data symbols in a format identified by registration symbols |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460923A (en) * | 1981-06-01 | 1984-07-17 | Nippon Electric Co., Ltd. | Predictive coding system for television signals |
| JPS57199379A (en) * | 1981-06-01 | 1982-12-07 | Nec Corp | Vector encoding device |
| JPS58197984A (ja) * | 1982-05-14 | 1983-11-17 | Nec Corp | テレビジヨン信号の適応予測符号化装置 |
| JPS61200789A (ja) * | 1985-03-04 | 1986-09-05 | Kokusai Denshin Denwa Co Ltd <Kdd> | 画面上の物体の動きベクトル検出方式 |
| NL8800988A (nl) * | 1988-04-15 | 1989-11-01 | Philips Nv | Systeem voor overdracht van videosignalen met adaptieve codewoordtoewijzing, alsmede zender en ontvanger geschikt voor het systeem. |
| CA2016641C (en) * | 1989-05-12 | 1995-07-11 | Toshiyuki Tanoi | Adaptive interframe prediction coded video communications system |
| DE3929280A1 (de) * | 1989-09-04 | 1991-03-07 | Philips Patentverwaltung | Codierer fuer die blockweise codierung von videobildern |
| DE68922610T2 (de) * | 1989-09-25 | 1996-02-22 | Rai Radiotelevisione Italiana | Umfassendes System zur Codierung und Übertragung von Videosignalen mit Bewegungsvektoren. |
| JPH03129987A (ja) * | 1989-10-14 | 1991-06-03 | Sony Corp | 映像信号符号化装置及び映像信号符号化方法 |
| JP2586666B2 (ja) * | 1990-01-16 | 1997-03-05 | 日本電気株式会社 | 予測復号化回路 |
| JPH0832048B2 (ja) * | 1990-01-23 | 1996-03-27 | 日本ビクター株式会社 | 動きベクトル検出装置 |
| JPH03256485A (ja) * | 1990-03-06 | 1991-11-15 | Victor Co Of Japan Ltd | 動きベクトル検出回路 |
| US5150432A (en) * | 1990-03-26 | 1992-09-22 | Kabushiki Kaisha Toshiba | Apparatus for encoding/decoding video signals to improve quality of a specific region |
| JP3044749B2 (ja) * | 1990-06-22 | 2000-05-22 | ソニー株式会社 | 映像信号符号化装置 |
| JPH0813138B2 (ja) * | 1990-11-28 | 1996-02-07 | 松下電器産業株式会社 | 画像符号化装置 |
| JP2514111B2 (ja) * | 1990-12-28 | 1996-07-10 | 日本ビクター株式会社 | フレ―ム間符号化出力デ―タ量制御方式及び画像符号化出力デ―タ量制御方法 |
| US5418617A (en) * | 1991-08-08 | 1995-05-23 | Matsushita Electric Corporation Of America | Motion compensation using minimum bits per motion block as criterion for block matching |
| US5235419A (en) * | 1991-10-24 | 1993-08-10 | General Instrument Corporation | Adaptive motion compensation using a plurality of motion compensators |
-
1992
- 1992-05-08 KR KR1019920007757A patent/KR0152013B1/ko not_active Expired - Fee Related
-
1993
- 1993-04-27 DE DE69325743T patent/DE69325743T2/de not_active Expired - Fee Related
- 1993-04-27 JP JP10142693A patent/JPH06237454A/ja active Pending
- 1993-04-27 EP EP19930303268 patent/EP0570127B1/en not_active Expired - Lifetime
- 1993-05-10 US US08/058,375 patent/US5392073A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0570127B1 (en) | 1999-07-28 |
| KR930024519A (ko) | 1993-12-22 |
| EP0570127A3 (en) | 1995-01-04 |
| JPH06237454A (ja) | 1994-08-23 |
| DE69325743T2 (de) | 2000-04-06 |
| DE69325743D1 (de) | 1999-09-02 |
| US5392073A (en) | 1995-02-21 |
| EP0570127A2 (en) | 1993-11-18 |
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