EP0698874B1 - Method for reducing temporal artifacts in digital video systems - Google Patents
Method for reducing temporal artifacts in digital video systems Download PDFInfo
- Publication number
- EP0698874B1 EP0698874B1 EP95111242A EP95111242A EP0698874B1 EP 0698874 B1 EP0698874 B1 EP 0698874B1 EP 95111242 A EP95111242 A EP 95111242A EP 95111242 A EP95111242 A EP 95111242A EP 0698874 B1 EP0698874 B1 EP 0698874B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bit
- time
- bits
- data
- frame
- 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
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
- G09G3/2033—Display of intermediate tones by time modulation using two or more time intervals using sub-frames with splitting one or more sub-frames corresponding to the most significant bits into two or more sub-frames
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0266—Reduction of sub-frame artefacts
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0428—Gradation resolution change
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
- G09G3/2029—Display of intermediate tones by time modulation using two or more time intervals using sub-frames the sub-frames having non-binary weights
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
- G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
- G09G3/2037—Display of intermediate tones by time modulation using two or more time intervals using sub-frames with specific control of sub-frames corresponding to the least significant bits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28003294A | 1994-07-25 | 1994-07-25 | |
US280032 | 1994-07-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0698874A1 EP0698874A1 (en) | 1996-02-28 |
EP0698874B1 true EP0698874B1 (en) | 2001-12-12 |
Family
ID=23071344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95111242A Expired - Lifetime EP0698874B1 (en) | 1994-07-25 | 1995-07-18 | Method for reducing temporal artifacts in digital video systems |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0698874B1 (es) |
JP (2) | JPH0863122A (es) |
KR (1) | KR100346877B1 (es) |
DE (1) | DE69524502T2 (es) |
TW (1) | TW291632B (es) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3417246B2 (ja) * | 1996-09-25 | 2003-06-16 | 日本電気株式会社 | 階調表示方法 |
JP3179036B2 (ja) * | 1996-10-14 | 2001-06-25 | 三菱電機株式会社 | ディスプレイ装置 |
JP2962245B2 (ja) * | 1996-10-23 | 1999-10-12 | 日本電気株式会社 | 表示装置の階調表示方法 |
US6115083A (en) * | 1996-11-08 | 2000-09-05 | Texas Instruments Incorporated | Load/reset sequence controller for spatial light modulator |
US6160541A (en) * | 1997-01-21 | 2000-12-12 | Lear Automotive Dearborn Inc. | Power consumption control for a visual screen display by utilizing a total number of pixels to be energized in the image to determine an order of pixel energization in a manner that conserves power |
DE69815427T2 (de) * | 1997-04-02 | 2004-01-08 | Matsushita Electric Industrial Co., Ltd., Kadoma | Bildanzeigevorrichtung |
FR2762703B1 (fr) | 1997-04-25 | 1999-07-16 | Thomson Multimedia Sa | Procede et dispositif d'adressage a code tournant pour ecrans a plasma |
FR2762704B1 (fr) * | 1997-04-25 | 1999-07-16 | Thomson Multimedia Sa | Procede d'adressage pour ecran a plasma base sur une repetition de bits sur une ou plusieurs lignes |
EP1331626B1 (en) * | 1997-07-24 | 2009-12-16 | Panasonic Corporation | Image display apparatus and image evaluation apparatus |
US6151011A (en) * | 1998-02-27 | 2000-11-21 | Aurora Systems, Inc. | System and method for using compound data words to reduce the data phase difference between adjacent pixel electrodes |
US6100863A (en) * | 1998-03-31 | 2000-08-08 | Matsushita Electric Industrial Co., Ltd. | Motion pixel distortion reduction for digital display devices using dynamic programming coding |
FR2785076B1 (fr) * | 1998-10-23 | 2002-11-15 | Thomson Multimedia Sa | Procede d'adressage pour ecran a plasma base sur un adressage separe des lignes paires et impaires |
JP4484276B2 (ja) | 1999-09-17 | 2010-06-16 | 日立プラズマディスプレイ株式会社 | プラズマディスプレイ装置およびその表示方法 |
JP3734244B2 (ja) * | 2000-02-10 | 2006-01-11 | パイオニア株式会社 | ディスプレイパネルの駆動方法 |
JP2004513391A (ja) | 2000-10-31 | 2004-04-30 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | サブフィールド駆動表示装置及び方法 |
US7209129B2 (en) * | 2001-06-13 | 2007-04-24 | Kawasaki Microelectronics, Inc. | Method and apparatus for driving passive matrix liquid crystal |
FR2829275B1 (fr) * | 2001-09-05 | 2004-09-10 | Thomson Licensing Sa | Procede d'affichage d'images video sur un dispositif d'affichage et panneau d'affichage a plasma correspondant |
US20040212568A1 (en) * | 2001-10-03 | 2004-10-28 | Kazuhiro Yamada | Plasma display panel driving method and apparatus, and plasma display apparatus |
KR100467447B1 (ko) * | 2001-11-12 | 2005-01-24 | 삼성에스디아이 주식회사 | 플라즈마 디스플레이 패널의 화상 표시 방법 및 그 장치 |
AU2002365574A1 (en) * | 2001-11-21 | 2003-06-10 | Silicon Display Incorporated | Method and system for driving a pixel with single pulse chains |
FR2836588B1 (fr) * | 2002-02-26 | 2004-05-21 | Thomson Licensing Sa | Procede d'affichage numerique d'image et dispositif d'affichage numerique |
US7248253B2 (en) * | 2002-08-13 | 2007-07-24 | Thomson Licensing | Pulse width modulated display with improved motion appearance |
EP1546794A4 (en) * | 2002-08-13 | 2007-03-07 | Thomson Licensing | DURATION PULSE MODULATION DISPLAY WITH HYBRID CODING |
KR100472483B1 (ko) * | 2002-11-29 | 2005-03-10 | 삼성전자주식회사 | 의사 윤곽 제거 방법 및 이에 적합한 장치 |
FR2884640A1 (fr) | 2005-04-15 | 2006-10-20 | Thomson Licensing Sa | Procede d'affichage d'une image video et panneau d'affichage mettant en oeuvre le procede |
EP1720148A3 (en) * | 2005-05-02 | 2007-09-05 | Semiconductor Energy Laboratory Co., Ltd. | Display device and gray scale driving method with subframes thereof |
US8339428B2 (en) | 2005-06-16 | 2012-12-25 | Omnivision Technologies, Inc. | Asynchronous display driving scheme and display |
US8223179B2 (en) | 2007-07-27 | 2012-07-17 | Omnivision Technologies, Inc. | Display device and driving method based on the number of pixel rows in the display |
US8228350B2 (en) | 2008-06-06 | 2012-07-24 | Omnivision Technologies, Inc. | Data dependent drive scheme and display |
US9024964B2 (en) | 2008-06-06 | 2015-05-05 | Omnivision Technologies, Inc. | System and method for dithering video data |
US8228349B2 (en) | 2008-06-06 | 2012-07-24 | Omnivision Technologies, Inc. | Data dependent drive scheme and display |
JP2012068649A (ja) * | 2011-10-21 | 2012-04-05 | Thomson Licensing | デジタル光プロジェクションシステムにおけるレインボーアーチファクトの低減 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994009473A1 (en) * | 1992-10-15 | 1994-04-28 | Rank Brimar Limited | Display device |
CA2113213A1 (en) * | 1993-01-11 | 1994-07-12 | Kevin L. Kornher | Pixel control circuitry for spatial light modulator |
EP0686954A1 (en) * | 1994-06-02 | 1995-12-13 | Texas Instruments Incorporated | Improvements in and relating to spatial light modulator |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0636182B2 (ja) * | 1988-02-06 | 1994-05-11 | 大日本スクリーン製造株式会社 | 画像ファイリング・検索方法および装置 |
-
1995
- 1995-07-18 EP EP95111242A patent/EP0698874B1/en not_active Expired - Lifetime
- 1995-07-18 DE DE1995624502 patent/DE69524502T2/de not_active Expired - Lifetime
- 1995-07-20 KR KR1019950021284A patent/KR100346877B1/ko not_active IP Right Cessation
- 1995-07-24 JP JP18676195A patent/JPH0863122A/ja active Pending
- 1995-08-25 TW TW84108848A patent/TW291632B/zh not_active IP Right Cessation
-
2006
- 2006-09-21 JP JP2006256080A patent/JP4185129B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994009473A1 (en) * | 1992-10-15 | 1994-04-28 | Rank Brimar Limited | Display device |
CA2113213A1 (en) * | 1993-01-11 | 1994-07-12 | Kevin L. Kornher | Pixel control circuitry for spatial light modulator |
EP0686954A1 (en) * | 1994-06-02 | 1995-12-13 | Texas Instruments Incorporated | Improvements in and relating to spatial light modulator |
Also Published As
Publication number | Publication date |
---|---|
JP2007052444A (ja) | 2007-03-01 |
DE69524502T2 (de) | 2002-06-06 |
DE69524502D1 (de) | 2002-01-24 |
KR100346877B1 (ko) | 2004-05-22 |
JP4185129B2 (ja) | 2008-11-26 |
TW291632B (es) | 1996-11-21 |
EP0698874A1 (en) | 1996-02-28 |
JPH0863122A (ja) | 1996-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0698874B1 (en) | Method for reducing temporal artifacts in digital video systems | |
US5619228A (en) | Method for reducing temporal artifacts in digital video systems | |
KR100346878B1 (ko) | 블럭리셋및보조메모리로다중화된메모리타이밍 | |
US5278652A (en) | DMD architecture and timing for use in a pulse width modulated display system | |
US5663749A (en) | Single-buffer data formatter for spatial light modulator | |
JP4215287B2 (ja) | 映像表示システムおよびそのアドレッシング方法 | |
US5497172A (en) | Pulse width modulation for spatial light modulator with split reset addressing | |
US5986640A (en) | Display device using time division modulation to display grey scale | |
US6008785A (en) | Generating load/reset sequences for spatial light modulator | |
US5751264A (en) | Distributed duty-cycle operation of digital light-modulators | |
US7224335B2 (en) | DMD-based image display systems | |
KR100459053B1 (ko) | 영상디스플레이시스템에서아티팩트의제거방법 | |
EP0704835B1 (en) | Error diffusion filter for DMD display | |
US5812303A (en) | Light amplitude modulation with neutral density filters | |
US6057816A (en) | Display device driving circuitry and method | |
CN1170881A (zh) | 脉宽调制式空间光调制器的位分割 | |
US6226054B1 (en) | Global light boost for pulse width modulation display systems | |
EP0685830A1 (en) | Improvements in or relating to spatial light modulators | |
EP0686954B1 (en) | Non binary pulse width modulation method for spatial light modulator | |
US6081252A (en) | Dispersion-based technique for performing spacial dithering for a digital display system | |
JPH09149350A (ja) | 濃度フィルタを有する空間光変調ディスプレイ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT NL |
|
17P | Request for examination filed |
Effective date: 19960729 |
|
17Q | First examination report despatched |
Effective date: 19990319 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT NL |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
REF | Corresponds to: |
Ref document number: 69524502 Country of ref document: DE Date of ref document: 20020124 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20090708 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20090722 Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20100717 Year of fee payment: 16 Ref country code: GB Payment date: 20100616 Year of fee payment: 16 Ref country code: DE Payment date: 20100730 Year of fee payment: 16 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: V1 Effective date: 20110201 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20110331 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110201 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100802 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20110718 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120201 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 69524502 Country of ref document: DE Effective date: 20120201 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110718 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110718 |