BR0109944A - Otimização automática da posição de traços principais de caracteres de texto - Google Patents
Otimização automática da posição de traços principais de caracteres de textoInfo
- Publication number
- BR0109944A BR0109944A BR0109944-2A BR0109944A BR0109944A BR 0109944 A BR0109944 A BR 0109944A BR 0109944 A BR0109944 A BR 0109944A BR 0109944 A BR0109944 A BR 0109944A
- Authority
- BR
- Brazil
- Prior art keywords
- character
- strokes
- pixel
- leading
- typographic
- Prior art date
Links
Classifications
-
- 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
- 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
- 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
- G09G2340/0457—Improvement of perceived resolution by subpixel rendering
-
- 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
- G09G3/36—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 using liquid crystals
- G09G3/3607—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 using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
-
- 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
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
"OTIMIZAçãO AUTOMáTICA DA POSIçãO DE TRAçOS PRINCIPAIS DE CARACTERES DE TEXTO". A presente invenção proporciona a colocação automática de características tipográficas tais como traços principais verticais ou segmentos horizontais de um caractere (205) nos limites de subcomponente de pixel de elevado contraste como parte de um processo de renderização que usa subcomponentes (202, 203, 204) de pixel separadamente controláveis dos pixels para representar porções diferentes do caractere (205). Para identificar as características tipográficas do caractere (205) que devem ser alinhadas com limites de subcomponente de pixel de elevado contraste, a topologia do caractere é analisada em tempo de execução. Em dispositivos de vídeo tendo faixas verticais de subcomponentes (202, 203, 204) de pixel da mesma cor, descobriu-se que a legibilidade do caractere é aumentada quando as bordas esquerdas dos traços principais (206) são alinhadas com limites (208) de elevado contraste entre subcomponentes de pixel. Tempo e recursos de processamento são preservados mediante realização de uma análise topológica parcial mais propriamente do que uma análise topológica completa do caractere. Por exemplo, alguns arquivos de fonte incluem estruturas de dados que definem a posição dos pontos de controle principais associados ao caractere, desse modo indicando onde os traços principais ou outras características tipográficas estão localizados, e a relação entre características tipográficas diferentes.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/546.139 | 2000-04-10 | ||
US09/546,139 US6597360B1 (en) | 1998-10-07 | 2000-04-10 | Automatic optimization of the position of stems of text characters |
PCT/US2001/011489 WO2001078053A2 (en) | 2000-04-10 | 2001-04-09 | Automatic optimization of the position of stems of text characters |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0109944A true BR0109944A (pt) | 2003-05-27 |
BR0109944B1 BR0109944B1 (pt) | 2014-12-16 |
Family
ID=24179038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0109944-2A BR0109944B1 (pt) | 2000-04-10 | 2001-04-09 | "métodos para ajustar, aludir e posicionar dados de imagem em uma grade definida por pixels e subcomponentes de pixel e método para posicionar um caractere em uma grade definida por subcomponentes de pixel". |
Country Status (10)
Country | Link |
---|---|
US (3) | US6597360B1 (pt) |
EP (1) | EP1279160B1 (pt) |
JP (1) | JP5362162B2 (pt) |
CN (1) | CN100363978C (pt) |
AU (1) | AU2001251464A1 (pt) |
BR (1) | BR0109944B1 (pt) |
CA (2) | CA2405839C (pt) |
MX (1) | MXPA02009996A (pt) |
RU (1) | RU2258265C2 (pt) |
WO (1) | WO2001078053A2 (pt) |
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-
2000
- 2000-04-10 US US09/546,139 patent/US6597360B1/en not_active Expired - Lifetime
-
2001
- 2001-04-09 AU AU2001251464A patent/AU2001251464A1/en not_active Abandoned
- 2001-04-09 BR BRPI0109944-2A patent/BR0109944B1/pt not_active IP Right Cessation
- 2001-04-09 RU RU2002129894/09A patent/RU2258265C2/ru not_active IP Right Cessation
- 2001-04-09 CN CNB018105181A patent/CN100363978C/zh not_active Expired - Fee Related
- 2001-04-09 WO PCT/US2001/011489 patent/WO2001078053A2/en active Application Filing
- 2001-04-09 JP JP2001575418A patent/JP5362162B2/ja not_active Expired - Fee Related
- 2001-04-09 CA CA2405839A patent/CA2405839C/en not_active Expired - Fee Related
- 2001-04-09 EP EP01924847.5A patent/EP1279160B1/en not_active Expired - Lifetime
- 2001-04-09 MX MXPA02009996A patent/MXPA02009996A/es active IP Right Grant
- 2001-04-09 CA CA2748428A patent/CA2748428C/en not_active Expired - Fee Related
-
2003
- 2003-06-24 US US10/606,047 patent/US6950103B2/en not_active Expired - Fee Related
-
2005
- 2005-06-24 US US11/166,924 patent/US7148893B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU2001251464A1 (en) | 2001-10-23 |
CA2748428A1 (en) | 2001-10-18 |
CA2748428C (en) | 2015-02-17 |
CA2405839A1 (en) | 2001-10-18 |
RU2002129894A (ru) | 2004-03-10 |
US7148893B2 (en) | 2006-12-12 |
CN100363978C (zh) | 2008-01-23 |
EP1279160A2 (en) | 2003-01-29 |
BR0109944B1 (pt) | 2014-12-16 |
CA2405839C (en) | 2011-10-18 |
US20050237342A1 (en) | 2005-10-27 |
RU2258265C2 (ru) | 2005-08-10 |
EP1279160B1 (en) | 2014-04-02 |
JP5362162B2 (ja) | 2013-12-11 |
US6597360B1 (en) | 2003-07-22 |
JP2003530603A (ja) | 2003-10-14 |
CN1439154A (zh) | 2003-08-27 |
WO2001078053A2 (en) | 2001-10-18 |
WO2001078053A3 (en) | 2002-07-25 |
US6950103B2 (en) | 2005-09-27 |
US20040004618A1 (en) | 2004-01-08 |
MXPA02009996A (es) | 2003-04-25 |
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