FR2638264B1 - Procede pour minimiser la degradation visuelle de caracteres numerises, notamment lors de leur affichage sur un ecran - Google Patents
Procede pour minimiser la degradation visuelle de caracteres numerises, notamment lors de leur affichage sur un ecranInfo
- Publication number
- FR2638264B1 FR2638264B1 FR898908614A FR8908614A FR2638264B1 FR 2638264 B1 FR2638264 B1 FR 2638264B1 FR 898908614 A FR898908614 A FR 898908614A FR 8908614 A FR8908614 A FR 8908614A FR 2638264 B1 FR2638264 B1 FR 2638264B1
- Authority
- FR
- France
- Prior art keywords
- minimizing
- displayed
- screen
- digital characters
- visual degradation
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/24—Generation of individual character patterns
- G09G5/28—Generation of individual character patterns for enhancement of character form, e.g. smoothing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
- G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
- G09G1/14—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
- G06K2215/0002—Handling the output data
- G06K2215/002—Generic data access
- G06K2215/0028—Generic data access characterised by the format per se
- G06K2215/0034—Outline coding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S345/00—Computer graphics processing and selective visual display systems
- Y10S345/948—Alteration of stored fonts to maintain feature consistency throughout scaled font
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Bioinformatics & Computational Biology (AREA)
- Evolutionary Computation (AREA)
- Evolutionary Biology (AREA)
- Data Mining & Analysis (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Artificial Intelligence (AREA)
- Controls And Circuits For Display Device (AREA)
- Digital Computer Display Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26304388A | 1988-10-26 | 1988-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2638264A1 FR2638264A1 (fr) | 1990-04-27 |
FR2638264B1 true FR2638264B1 (fr) | 1994-07-01 |
Family
ID=23000139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR898908614A Expired - Fee Related FR2638264B1 (fr) | 1988-10-26 | 1989-06-28 | Procede pour minimiser la degradation visuelle de caracteres numerises, notamment lors de leur affichage sur un ecran |
Country Status (9)
Country | Link |
---|---|
US (4) | US5281959A (fr) |
JP (1) | JP2920387B2 (fr) |
KR (1) | KR0159498B1 (fr) |
AU (1) | AU629210B2 (fr) |
CA (1) | CA1336107C (fr) |
DE (1) | DE3935574C2 (fr) |
FR (1) | FR2638264B1 (fr) |
GB (1) | GB2224420B (fr) |
HK (1) | HK53194A (fr) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0396996A (ja) * | 1989-09-08 | 1991-04-22 | Tokyo Electric Co Ltd | 文字出力装置 |
US5068803A (en) * | 1989-09-15 | 1991-11-26 | Sun Microsystems, Inc. | Method and apparatus for filling contours in digital typefaces |
JP2809314B2 (ja) * | 1989-10-23 | 1998-10-08 | キヤノン株式会社 | 印刷装置 |
JP2918632B2 (ja) * | 1990-06-11 | 1999-07-12 | キヤノン株式会社 | 文字処理方法及び装置 |
JP2755789B2 (ja) * | 1990-06-11 | 1998-05-25 | キヤノン株式会社 | 文字フオントメモリと、該文字フオントメモリを用いた文字パターン発生装置 |
JPH0493894A (ja) * | 1990-08-03 | 1992-03-26 | Canon Inc | 文字処理方法および装置 |
JPH0723997B2 (ja) * | 1990-08-24 | 1995-03-15 | 富士ゼロックス株式会社 | 文字・図形描画装置 |
US5280576A (en) * | 1991-12-24 | 1994-01-18 | Xerox Corporation | Method of adjusting the weight of a character of an outline font |
US5526476A (en) * | 1992-12-07 | 1996-06-11 | Fujitsu Limited | Method and apparatus for generating character patterns expressed by coordinates of a coordinate system |
CA2125608A1 (fr) | 1993-06-30 | 1994-12-31 | George M. Moore | Methode et systeme de production de polices de remplacement dans un ordinateur |
JP2964841B2 (ja) * | 1993-07-15 | 1999-10-18 | ブラザー工業株式会社 | データ変換装置 |
JPH07230451A (ja) * | 1994-02-18 | 1995-08-29 | Casio Comput Co Ltd | 文字入力装置 |
JP3641283B2 (ja) * | 1994-04-08 | 2005-04-20 | 富士通株式会社 | グラフィックデータ生成装置 |
EP0701242A3 (fr) * | 1994-08-16 | 1996-12-27 | Adobe Systems Inc | Procédé amélioré de génération de données typographiques à maîtres multiples |
US5598520A (en) * | 1994-09-26 | 1997-01-28 | Microsoft Corporation | Methods and apparatus for hinting a font for controlling stem width as font size and resolution of output device vary |
JPH08194459A (ja) * | 1995-01-19 | 1996-07-30 | Fujitsu Ltd | アウトライン文字描画装置 |
KR0172581B1 (ko) * | 1996-04-02 | 1999-03-30 | 이진기 | 단계적 표현 가능형 폰트 그 변환 방법 및 렌더링 방법 |
US5937420A (en) * | 1996-07-23 | 1999-08-10 | Adobe Systems Incorporated | Pointsize-variable character spacing |
US6952210B1 (en) | 1997-12-05 | 2005-10-04 | Adobe Systems Incorporated | Method of generating multiple master typefaces containing kanji characters |
US6563502B1 (en) * | 1999-08-19 | 2003-05-13 | Adobe Systems Incorporated | Device dependent rendering |
US7598955B1 (en) | 2000-12-15 | 2009-10-06 | Adobe Systems Incorporated | Hinted stem placement on high-resolution pixel grid |
US7624277B1 (en) * | 2003-02-25 | 2009-11-24 | Microsoft Corporation | Content alteration for prevention of unauthorized scripts |
US7187382B2 (en) * | 2004-01-26 | 2007-03-06 | Microsoft Corporation | Iteratively solving constraints in a font-hinting language |
US7136067B2 (en) | 2004-01-26 | 2006-11-14 | Microsoft Corporation | Using externally parameterizeable constraints in a font-hinting language to synthesize font variants |
US7292247B2 (en) * | 2004-01-26 | 2007-11-06 | Microsoft Corporation | Dynamically determining directions of freedom for control points used to represent graphical objects |
US7236174B2 (en) * | 2004-01-26 | 2007-06-26 | Microsoft Corporation | Adaptively filtering outlines of typographic characters to simplify representative control data |
US7719536B2 (en) * | 2004-03-31 | 2010-05-18 | Adobe Systems Incorporated | Glyph adjustment in high resolution raster while rendering |
US7580039B2 (en) * | 2004-03-31 | 2009-08-25 | Adobe Systems Incorporated | Glyph outline adjustment while rendering |
US7602390B2 (en) * | 2004-03-31 | 2009-10-13 | Adobe Systems Incorporated | Edge detection based stroke adjustment |
US7639258B1 (en) | 2004-03-31 | 2009-12-29 | Adobe Systems Incorporated | Winding order test for digital fonts |
US8253742B2 (en) | 2004-05-28 | 2012-08-28 | Microsoft Corporation | Rendering stroke pairs for graphical objects |
US7256786B2 (en) * | 2004-05-28 | 2007-08-14 | Microsoft Corporation | Appropriately rendering a graphical object when a corresponding outline has exact or inexact control points |
US20080068383A1 (en) * | 2006-09-20 | 2008-03-20 | Adobe Systems Incorporated | Rendering and encoding glyphs |
US8316310B2 (en) | 2008-08-05 | 2012-11-20 | International Business Machines Corporation | System and method for human identification proof for use in virtual environments |
US8243077B2 (en) * | 2008-08-29 | 2012-08-14 | Dynacomware Taiwan Inc. | Method for generating stroke-based font characters for a low-resolution display |
US8102397B2 (en) | 2009-01-26 | 2012-01-24 | Mitsubishi Electric Research Laboratories Inc. | Method for improving uniform width character strokes using multiple alignment zones |
WO2014205632A1 (fr) * | 2013-06-24 | 2014-12-31 | Adobe Systems Incorporated | Méthode de tracé de point de gravité |
WO2022212652A1 (fr) * | 2021-03-31 | 2022-10-06 | Cerini Arielle Nicole | Calligraphie numérique |
US12056289B2 (en) * | 2022-03-31 | 2024-08-06 | Rensselaer Polytechnic Institute | Digital penmanship |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4298945A (en) * | 1978-05-12 | 1981-11-03 | Eltra Corporation | Character generating method and apparatus |
US4231096A (en) * | 1978-10-10 | 1980-10-28 | Eltra Corporation | Digital typesetter |
US4338673A (en) * | 1978-12-05 | 1982-07-06 | Compugraphic Corporation | Phototypesetting system and method |
US4345245A (en) * | 1979-11-26 | 1982-08-17 | Eltra Corporation | Method and apparatus for arranging segmented character groups in a digital typesetter |
JPS5949655A (ja) * | 1982-09-14 | 1984-03-22 | Dainippon Screen Mfg Co Ltd | 2値図形パターンの輪郭データ作成方法 |
US4620287A (en) * | 1983-01-20 | 1986-10-28 | Dicomed Corporation | Method and apparatus for representation of a curve of uniform width |
DE3317842A1 (de) * | 1983-05-17 | 1984-12-06 | Mergenthaler Linotype Gmbh, 6236 Eschborn | Graphisches reproduktions- und seztverfahren von schriftzeichen |
DE3479254D1 (en) * | 1983-07-04 | 1989-09-07 | Karow Rubow Weber Gmbh | Method for automatically digitizing the contours of line graphics, e.g. characters |
US4675830A (en) * | 1984-07-06 | 1987-06-23 | Compugraphic Corporation | Method for producing a scaleable typeface data |
JPS6165290A (ja) * | 1984-09-07 | 1986-04-03 | 株式会社日立製作所 | ベクトル文字フオントの作成装置 |
US4674059A (en) * | 1984-09-10 | 1987-06-16 | Allied Corporation | Method and apparatus for generating a set of signals representing a curve |
JPS61246877A (ja) * | 1985-04-25 | 1986-11-04 | Canon Inc | 図形変換装置 |
US4785391A (en) * | 1986-02-07 | 1988-11-15 | Bitstream Inc. | Automated bitmap character generation from outlines |
US4833627A (en) * | 1986-08-29 | 1989-05-23 | The Toles Group | Computerized typesetting correction system |
US4897638A (en) * | 1987-02-27 | 1990-01-30 | Hitachi, Ltd. | Method for generating character patterns with controlled size and thickness |
-
1989
- 1989-05-09 AU AU34584/89A patent/AU629210B2/en not_active Ceased
- 1989-05-10 CA CA000599351A patent/CA1336107C/fr not_active Expired - Fee Related
- 1989-05-22 GB GB8911702A patent/GB2224420B/en not_active Expired - Fee Related
- 1989-06-28 FR FR898908614A patent/FR2638264B1/fr not_active Expired - Fee Related
- 1989-07-21 JP JP1187596A patent/JP2920387B2/ja not_active Expired - Fee Related
- 1989-10-25 DE DE3935574A patent/DE3935574C2/de not_active Expired - Fee Related
- 1989-10-26 KR KR1019890015436A patent/KR0159498B1/ko not_active IP Right Cessation
-
1992
- 1992-03-04 US US07/846,781 patent/US5281959A/en not_active Expired - Lifetime
- 1992-03-05 US US07/846,584 patent/US5291186A/en not_active Expired - Lifetime
- 1992-03-05 US US07/846,586 patent/US5304989A/en not_active Expired - Lifetime
- 1992-03-11 US US07/850,245 patent/US5319358A/en not_active Expired - Lifetime
-
1994
- 1994-05-24 HK HK53194A patent/HK53194A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2638264A1 (fr) | 1990-04-27 |
HK53194A (en) | 1994-06-03 |
JP2920387B2 (ja) | 1999-07-19 |
CA1336107C (fr) | 1995-06-27 |
US5291186A (en) | 1994-03-01 |
GB8911702D0 (en) | 1989-07-05 |
KR0159498B1 (ko) | 1998-12-15 |
AU3458489A (en) | 1990-07-05 |
US5304989A (en) | 1994-04-19 |
KR900006886A (ko) | 1990-05-09 |
JPH02127689A (ja) | 1990-05-16 |
DE3935574C2 (de) | 1999-06-17 |
GB2224420B (en) | 1993-08-18 |
DE3935574A1 (de) | 1990-05-03 |
GB2224420A (en) | 1990-05-02 |
US5319358A (en) | 1994-06-07 |
AU629210B2 (en) | 1992-10-01 |
US5281959A (en) | 1994-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |