KR100282307B1 - 디지탈 티브이 수신 디코더 장치 - Google Patents
디지탈 티브이 수신 디코더 장치 Download PDFInfo
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- KR100282307B1 KR100282307B1 KR1019980005292A KR19980005292A KR100282307B1 KR 100282307 B1 KR100282307 B1 KR 100282307B1 KR 1019980005292 A KR1019980005292 A KR 1019980005292A KR 19980005292 A KR19980005292 A KR 19980005292A KR 100282307 B1 KR100282307 B1 KR 100282307B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
Claims (5)
- 블록단위의 입력 데이타에 대하여 소정의 비율로 다운샘플링을 수행하는 수단과, 이 다운샘플링된 결과를 제 1 군의 데이타와 제 2 군의 데이타로 구분하여 제 1 군의 데이타에 대해서는 다운샘플링을 더 수행한 다음 디스플레이 사이즈에 적합한 화면 종횡비 변환을 수행하는 수단과, 상기 변환된 제 1 군의 데이타와 함께 제 2 군의 데이타를 기억하는 수단과, 상기 기억된 제 2 군의 데이타는 재생시에 상기 제 1 군의 데이타와 대응하도록 다운샘플링 및 화면 종횡비 변환을 더 수행하여 상기 제 1 군 및 제 2 군의 데이타를 디스플레이하는 수단을 포함하여 구성됨을 특징으로 하는 디지탈 티브이 수신 디코더 장치.
- 제 1 항에 있어서, 상기 다운 샘플링된 제 1 군의 데이타 및 제 2 군의 데이타에 대하여 메모리 용량을 고려한 비트저감을 수행하여 기억시키고 재생시에는 비트 디코딩을 수행하여 출력함을 특징으로 하는 디지탈 티브이 수신 디코더 장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 제 1 군의 데이타와 제 2 군의 데이타를 선택적으로 구분하는 스위칭수단을 더 포함하여 구성됨을 특징으로 하는 디지탈 티브이 수신 디코더 장치.
- 제 1 항 또는 제 2 항에 있어서, 블록단위로 입력되는 데이타는 8*8이고, 이 것을 8*4로 다운샘플링하며, 제 1 군의 데이타에 대해서는 4*4다운샘플링하여 종횡비 변환과 기억 및 재생을 수행하고, 제 2 군의 데이타에 대해서는 8*4다운샘플링결과를 기억 및 재생하고 재생시에는 4*4로 다운샘플링을 수행하는 것을 특징으로 하는 디지탈 티브이 수신 디코더 장치.
- 제 1 항 또는 제 2 항에 있어서, 블록단위 입력 데이타는 I,P,B픽쳐이고 제 1 군의 데이타는 B픽쳐이며, 제 2 군의 데이타는 I,P픽쳐인 것을 특징으로 하는 디지탈 티브이 수신 디코더 장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980005292A KR100282307B1 (ko) | 1998-02-20 | 1998-02-20 | 디지탈 티브이 수신 디코더 장치 |
GB9903136A GB2334644B (en) | 1998-02-20 | 1999-02-11 | Video decoding device of digital TV receiver |
US09/249,789 US6487248B1 (en) | 1998-02-20 | 1999-02-16 | Video decoding device of a TV receiver |
DE19907132A DE19907132B4 (de) | 1998-02-20 | 1999-02-19 | Videodecoder für einen Digitalfernseher |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980005292A KR100282307B1 (ko) | 1998-02-20 | 1998-02-20 | 디지탈 티브이 수신 디코더 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990070440A KR19990070440A (ko) | 1999-09-15 |
KR100282307B1 true KR100282307B1 (ko) | 2001-02-15 |
Family
ID=19533436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980005292A Expired - Fee Related KR100282307B1 (ko) | 1998-02-20 | 1998-02-20 | 디지탈 티브이 수신 디코더 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6487248B1 (ko) |
KR (1) | KR100282307B1 (ko) |
DE (1) | DE19907132B4 (ko) |
GB (1) | GB2334644B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100463515B1 (ko) * | 2001-12-29 | 2004-12-29 | 엘지전자 주식회사 | 비디오 디코딩 시스템 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19919412B4 (de) * | 1998-04-29 | 2006-02-23 | Lg Electronics Inc. | Decoder für einen digitalen Fernsehempfänger |
KR100370076B1 (ko) * | 2000-07-27 | 2003-01-30 | 엘지전자 주식회사 | 다운 컨버젼 기능을 갖는 비디오 디코더 및 비디오 신호를디코딩 하는 방법 |
US7266148B2 (en) * | 2001-01-05 | 2007-09-04 | Lg Electronics Inc. | Video transcoding apparatus |
KR100442239B1 (ko) * | 2001-06-01 | 2004-07-30 | 엘지전자 주식회사 | 디지털 티브이의 영상 디스플레이 방법 |
KR20040011022A (ko) * | 2002-07-26 | 2004-02-05 | (주)씨엠케이 | 단일 전송선로를 이용한 궤도 차량용 정보표시 시스템 및방법 |
US7627039B2 (en) * | 2003-09-05 | 2009-12-01 | Realnetworks, Inc. | Parallel video decoding |
KR100758903B1 (ko) * | 2005-12-13 | 2007-09-17 | 엘지전자 주식회사 | 녹화/재생이 가능한 방송 수신기 및 녹화/재생 방법 |
US7801223B2 (en) * | 2006-07-27 | 2010-09-21 | Lsi Corporation | Method for video decoder memory reduction |
US8537890B2 (en) * | 2007-03-23 | 2013-09-17 | Ati Technologies Ulc | Video decoder with adaptive outputs |
US8139632B2 (en) * | 2007-03-23 | 2012-03-20 | Advanced Micro Devices, Inc. | Video decoder with adaptive outputs |
US10490238B2 (en) * | 2017-06-29 | 2019-11-26 | SK Hynix Inc. | Serializer and memory device including the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5049992A (en) | 1990-08-27 | 1991-09-17 | Zenith Electronics Corporation | HDTV system with receivers operable at different levels of resolution |
US5262854A (en) | 1992-02-21 | 1993-11-16 | Rca Thomson Licensing Corporation | Lower resolution HDTV receivers |
JPH06141185A (ja) | 1992-10-26 | 1994-05-20 | Nec Corp | 画像間引き装置 |
US5614952A (en) * | 1994-10-11 | 1997-03-25 | Hitachi America, Ltd. | Digital video decoder for decoding digital high definition and/or digital standard definition television signals |
US5835151A (en) * | 1996-05-15 | 1998-11-10 | Mitsubishi Electric Information Technology Center America | Method and apparatus for down-converting a digital signal |
US5818530A (en) * | 1996-06-19 | 1998-10-06 | Thomson Consumer Electronics, Inc. | MPEG compatible decoder including a dual stage data reduction network |
US6141457A (en) * | 1997-09-12 | 2000-10-31 | Samsung Electronics Co., Ltd. | Method and apparatus for processing a high definition image to provide a relatively lower definition image using both discrete cosine transforms and wavelet transforms |
DE19919412B4 (de) * | 1998-04-29 | 2006-02-23 | Lg Electronics Inc. | Decoder für einen digitalen Fernsehempfänger |
-
1998
- 1998-02-20 KR KR1019980005292A patent/KR100282307B1/ko not_active Expired - Fee Related
-
1999
- 1999-02-11 GB GB9903136A patent/GB2334644B/en not_active Expired - Fee Related
- 1999-02-16 US US09/249,789 patent/US6487248B1/en not_active Expired - Lifetime
- 1999-02-19 DE DE19907132A patent/DE19907132B4/de not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100463515B1 (ko) * | 2001-12-29 | 2004-12-29 | 엘지전자 주식회사 | 비디오 디코딩 시스템 |
Also Published As
Publication number | Publication date |
---|---|
GB2334644B (en) | 2000-05-31 |
GB2334644A (en) | 1999-08-25 |
GB9903136D0 (en) | 1999-04-07 |
DE19907132B4 (de) | 2005-04-14 |
US6487248B1 (en) | 2002-11-26 |
KR19990070440A (ko) | 1999-09-15 |
DE19907132A1 (de) | 1999-09-02 |
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