CA2068073A1 - Encoding of motion picture signal - Google Patents
Encoding of motion picture signalInfo
- Publication number
- CA2068073A1 CA2068073A1 CA2068073A CA2068073A CA2068073A1 CA 2068073 A1 CA2068073 A1 CA 2068073A1 CA 2068073 A CA2068073 A CA 2068073A CA 2068073 A CA2068073 A CA 2068073A CA 2068073 A1 CA2068073 A1 CA 2068073A1
- Authority
- CA
- Canada
- Prior art keywords
- valid
- blocks
- block map
- valid block
- section
- 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.)
- Granted
Links
Classifications
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/98—Adaptive-dynamic-range coding [ADRC]
-
- 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
-
- 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
- H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
Abstract
A valid/invalid detection section 1 generates an original valid block map based on a difference between frames. The current and previous valid block maps are weighted within weight sections 2 and 3 respectively and are thereafter summed up to compose them. After isolated valid blocks are removed from the composed valid block map within a segmentation section 5, it is determined whether or not a moving object exists and the direction of the moving object is determined based on the distribution of the valid block map. If a significant movement is detected, then blocks around the object are weighted at the movement direction side. Another segmentation section 7 determines valid blocks with reference to interest blocks and neighbor blocks, and isolated invalid block section 8 removes isolated invalid blocks to generate a complete valid block map. Encoding is performed based on the complete valid block map.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3-133540 | 1991-05-08 | ||
JP3133540A JPH04334188A (en) | 1991-05-08 | 1991-05-08 | Coding system for moving picture signal |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2068073A1 true CA2068073A1 (en) | 1992-11-09 |
CA2068073C CA2068073C (en) | 1998-10-06 |
Family
ID=15107203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2068073 Expired - Fee Related CA2068073C (en) | 1991-05-08 | 1992-05-06 | Encoding of motion picture signal |
Country Status (5)
Country | Link |
---|---|
US (1) | US5258836A (en) |
EP (1) | EP0514053B1 (en) |
JP (1) | JPH04334188A (en) |
CA (1) | CA2068073C (en) |
DE (1) | DE69215577T2 (en) |
Families Citing this family (57)
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JP3093499B2 (en) * | 1992-03-06 | 2000-10-03 | 三菱電機株式会社 | Scene change detection device |
JP2814832B2 (en) * | 1992-04-08 | 1998-10-27 | 日本電気株式会社 | Image encoding / decoding device |
FR2690031A1 (en) * | 1992-04-14 | 1993-10-15 | Philips Electronique Lab | Segmentation device of images. |
JP3526057B2 (en) * | 1992-07-31 | 2004-05-10 | キヤノン株式会社 | Video transmission equipment |
JPH06153180A (en) * | 1992-09-16 | 1994-05-31 | Fujitsu Ltd | Picture data coding method and device |
JPH06209466A (en) * | 1992-10-07 | 1994-07-26 | Canon Inc | Motion vector detector |
KR0128857B1 (en) * | 1992-12-23 | 1998-04-10 | 배순훈 | Window signal generation device |
CA2119327A1 (en) * | 1993-07-19 | 1995-01-20 | David Crawford Gibbon | Method and means for detecting people in image sequences |
US5610657A (en) * | 1993-09-14 | 1997-03-11 | Envistech Inc. | Video compression using an iterative error data coding method |
JP2591441B2 (en) * | 1993-09-28 | 1997-03-19 | 日本電気株式会社 | Moving vector detection device for moving image signal |
GB9325073D0 (en) * | 1993-12-07 | 1994-02-02 | Eidos Plc | Improvements in or relating to video processing systems |
US6052414A (en) * | 1994-03-30 | 2000-04-18 | Samsung Electronics, Co. Ltd. | Moving picture coding method and apparatus for low bit rate systems using dynamic motion estimation |
US5519436A (en) * | 1994-06-21 | 1996-05-21 | Intel Corporation | Static image background reference for video teleconferencing applications |
DE69526711T2 (en) | 1994-11-04 | 2002-08-29 | Matsushita Electric Ind Co Ltd | Image encoding device and method |
KR100186979B1 (en) * | 1994-12-28 | 1999-05-01 | 김주용 | Image data encoding method for uncovered background of object |
JP3086396B2 (en) * | 1995-03-10 | 2000-09-11 | シャープ株式会社 | Image encoding device and image decoding device |
KR0171120B1 (en) * | 1995-04-29 | 1999-03-20 | 배순훈 | Method and apparatus for determining motion region in video coding technique using feature point based motion compensation |
US5995670A (en) * | 1995-10-05 | 1999-11-30 | Microsoft Corporation | Simplified chain encoding |
US5781198A (en) * | 1995-12-22 | 1998-07-14 | Intel Corporation | Method and apparatus for replacing a background portion of an image |
US5799113A (en) * | 1996-01-19 | 1998-08-25 | Microsoft Corporation | Method for expanding contracted video images |
US5787203A (en) * | 1996-01-19 | 1998-07-28 | Microsoft Corporation | Method and system for filtering compressed video images |
US5778098A (en) * | 1996-03-22 | 1998-07-07 | Microsoft Corporation | Sprite coding |
US5982438A (en) * | 1996-03-22 | 1999-11-09 | Microsoft Corporation | Overlapped motion compensation for object coding |
KR100266345B1 (en) * | 1996-05-17 | 2000-09-15 | 모리시타 요이찌 | Picture encoder, picture decoder, picture encoding method, picture decoding method, picture encoding program recording medium, and picture decoding program recording medium |
WO1998011730A1 (en) * | 1996-09-12 | 1998-03-19 | Btg International Limited | Object-oriented video system |
US6075875A (en) * | 1996-09-30 | 2000-06-13 | Microsoft Corporation | Segmentation of image features using hierarchical analysis of multi-valued image data and weighted averaging of segmentation results |
US5748789A (en) * | 1996-10-31 | 1998-05-05 | Microsoft Corporation | Transparent block skipping in object-based video coding systems |
US6370192B1 (en) * | 1997-11-20 | 2002-04-09 | Hitachi America, Ltd. | Methods and apparatus for decoding different portions of a video image at different resolutions |
US6400831B2 (en) | 1998-04-02 | 2002-06-04 | Microsoft Corporation | Semantic video object segmentation and tracking |
US6711278B1 (en) * | 1998-09-10 | 2004-03-23 | Microsoft Corporation | Tracking semantic objects in vector image sequences |
US6983018B1 (en) * | 1998-11-30 | 2006-01-03 | Microsoft Corporation | Efficient motion vector coding for video compression |
US6563953B2 (en) | 1998-11-30 | 2003-05-13 | Microsoft Corporation | Predictive image compression using a single variable length code for both the luminance and chrominance blocks for each macroblock |
ES2610430T3 (en) | 2001-12-17 | 2017-04-27 | Microsoft Technology Licensing, Llc | Default macroblock coding |
US7085420B2 (en) * | 2002-06-28 | 2006-08-01 | Microsoft Corporation | Text detection in continuous tone image segments |
US7072512B2 (en) * | 2002-07-23 | 2006-07-04 | Microsoft Corporation | Segmentation of digital video and images into continuous tone and palettized regions |
US20050013498A1 (en) | 2003-07-18 | 2005-01-20 | Microsoft Corporation | Coding of motion vector information |
US7499495B2 (en) | 2003-07-18 | 2009-03-03 | Microsoft Corporation | Extended range motion vectors |
US7426308B2 (en) | 2003-07-18 | 2008-09-16 | Microsoft Corporation | Intraframe and interframe interlace coding and decoding |
US7738554B2 (en) | 2003-07-18 | 2010-06-15 | Microsoft Corporation | DC coefficient signaling at small quantization step sizes |
US10554985B2 (en) | 2003-07-18 | 2020-02-04 | Microsoft Technology Licensing, Llc | DC coefficient signaling at small quantization step sizes |
US7609763B2 (en) | 2003-07-18 | 2009-10-27 | Microsoft Corporation | Advanced bi-directional predictive coding of video frames |
US7606308B2 (en) | 2003-09-07 | 2009-10-20 | Microsoft Corporation | Signaling macroblock mode information for macroblocks of interlaced forward-predicted fields |
US7577200B2 (en) | 2003-09-07 | 2009-08-18 | Microsoft Corporation | Extended range variable length coding/decoding of differential motion vector information |
US7620106B2 (en) | 2003-09-07 | 2009-11-17 | Microsoft Corporation | Joint coding and decoding of a reference field selection and differential motion vector information |
US7623574B2 (en) | 2003-09-07 | 2009-11-24 | Microsoft Corporation | Selecting between dominant and non-dominant motion vector predictor polarities |
US7616692B2 (en) | 2003-09-07 | 2009-11-10 | Microsoft Corporation | Hybrid motion vector prediction for interlaced forward-predicted fields |
US8064520B2 (en) | 2003-09-07 | 2011-11-22 | Microsoft Corporation | Advanced bi-directional predictive coding of interlaced video |
US7317839B2 (en) | 2003-09-07 | 2008-01-08 | Microsoft Corporation | Chroma motion vector derivation for interlaced forward-predicted fields |
US7092576B2 (en) * | 2003-09-07 | 2006-08-15 | Microsoft Corporation | Bitplane coding for macroblock field/frame coding type information |
US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
US7567617B2 (en) | 2003-09-07 | 2009-07-28 | Microsoft Corporation | Predicting motion vectors for fields of forward-predicted interlaced video frames |
US7599438B2 (en) | 2003-09-07 | 2009-10-06 | Microsoft Corporation | Motion vector block pattern coding and decoding |
JP5008269B2 (en) * | 2005-04-08 | 2012-08-22 | キヤノン株式会社 | Information processing apparatus and information processing method |
US9077960B2 (en) | 2005-08-12 | 2015-07-07 | Microsoft Corporation | Non-zero coefficient block pattern coding |
US8254455B2 (en) | 2007-06-30 | 2012-08-28 | Microsoft Corporation | Computing collocated macroblock information for direct mode macroblocks |
US7949775B2 (en) | 2008-05-30 | 2011-05-24 | Microsoft Corporation | Stream selection for enhanced media streaming |
US8189666B2 (en) | 2009-02-02 | 2012-05-29 | Microsoft Corporation | Local picture identifier and computation of co-located information |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4383272A (en) * | 1981-04-13 | 1983-05-10 | Bell Telephone Laboratories, Incorporated | Video signal interpolation using motion estimation |
JPS6075184A (en) * | 1983-09-30 | 1985-04-27 | Nec Corp | System and apparatus for coding dynamic picture signal |
CA1287161C (en) * | 1984-09-17 | 1991-07-30 | Akihiro Furukawa | Apparatus for discriminating a moving region and a stationary region in a video signal |
GB8710737D0 (en) * | 1987-05-06 | 1987-06-10 | British Telecomm | Video image encoding |
US4951140A (en) * | 1988-02-22 | 1990-08-21 | Kabushiki Kaisha Toshiba | Image encoding apparatus |
US4991009A (en) * | 1988-07-08 | 1991-02-05 | Ricoh Company, Ltd. | Dynamic image transmission system |
JPH0220185A (en) * | 1988-07-08 | 1990-01-23 | Ricoh Co Ltd | Moving image transmission system |
DE3927516A1 (en) * | 1989-08-21 | 1991-02-28 | Ant Nachrichtentech | METHOD FOR FORMING A PREDICTION IMAGE |
EP0476603B1 (en) * | 1990-09-20 | 1997-06-18 | Nec Corporation | Method and apparatus for coding moving image signal |
-
1991
- 1991-05-08 JP JP3133540A patent/JPH04334188A/en active Pending
-
1992
- 1992-05-01 DE DE1992615577 patent/DE69215577T2/en not_active Expired - Fee Related
- 1992-05-01 EP EP19920303977 patent/EP0514053B1/en not_active Expired - Lifetime
- 1992-05-05 US US07/878,471 patent/US5258836A/en not_active Expired - Fee Related
- 1992-05-06 CA CA 2068073 patent/CA2068073C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69215577T2 (en) | 1997-06-12 |
US5258836A (en) | 1993-11-02 |
EP0514053B1 (en) | 1996-12-04 |
JPH04334188A (en) | 1992-11-20 |
DE69215577D1 (en) | 1997-01-16 |
EP0514053A2 (en) | 1992-11-19 |
CA2068073C (en) | 1998-10-06 |
EP0514053A3 (en) | 1993-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |