BR112012024727A2 - compressão e descompressão de textura - Google Patents

compressão e descompressão de textura

Info

Publication number
BR112012024727A2
BR112012024727A2 BR112012024727A BR112012024727A BR112012024727A2 BR 112012024727 A2 BR112012024727 A2 BR 112012024727A2 BR 112012024727 A BR112012024727 A BR 112012024727A BR 112012024727 A BR112012024727 A BR 112012024727A BR 112012024727 A2 BR112012024727 A2 BR 112012024727A2
Authority
BR
Brazil
Prior art keywords
texel
block
codewords
decompression
values
Prior art date
Application number
BR112012024727A
Other languages
English (en)
Inventor
Jacob Ström
Jim Rasmusson
Michael Doggett
Per Wennersten
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR112012024727A2 publication Critical patent/BR112012024727A2/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Generation (AREA)

Abstract

compressão e descompressão de textura. trata-se de modalidades que se referem à compressão e descompressão de texturas. um bloco de texel (10) é comprimido ao especificar duas direções primárias no bloco de texel (10) e define os perfis de como os valores de texel se alteram ao longo das respectivas direções. o bloco de texel comprimido (30) resultante compreende duas palavras-código de valor (31, 32), duas palavras-código de linha (35-38) e uma palavra-código de função (33, 34). as duas palavras-código de valor (31, 32) são empregadas para calcular dois valores de texel para o bloco de texel (10). as palavras-código de linha (35-38) são empregadas para determinar as equações de duas linhas (20, 22) que coincidem com as duas direções primárias no bloco de texel (10). as distâncias sinalizadas são calculadas para cada texel (12) a partir da posição de texel no bloco de texel (10) e até as duas linhas (20, 22). as distâncias sinalizadas são inseridas em uma função definida pela palavra-código de função (33, 34) para produzir dois valores a partir dos quais os pesos são calculados e aplicados aos dois valores de texel com a finalidade de se obter uma representação do valor de texel de um texel (12).
BR112012024727A 2010-04-07 2011-02-09 compressão e descompressão de textura BR112012024727A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28283110P 2010-04-07 2010-04-07
PCT/SE2011/050145 WO2011126424A1 (en) 2010-04-07 2011-02-09 Texture compression and decompression

Publications (1)

Publication Number Publication Date
BR112012024727A2 true BR112012024727A2 (pt) 2016-06-07

Family

ID=44763157

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012024727A BR112012024727A2 (pt) 2010-04-07 2011-02-09 compressão e descompressão de textura

Country Status (5)

Country Link
US (1) US9111328B2 (pt)
EP (1) EP2556492A4 (pt)
BR (1) BR112012024727A2 (pt)
NZ (1) NZ602796A (pt)
WO (1) WO2011126424A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10067951B2 (en) 2014-02-19 2018-09-04 Samsung Electronics Co, Ltd Method for creating binary code and electronic device thereof
KR20150128303A (ko) * 2014-05-09 2015-11-18 삼성전자주식회사 복수의 디스플레이들을 제어하는 방법 및 장치
KR20160031286A (ko) * 2014-09-12 2016-03-22 삼성전자주식회사 전자 장치의 표시 데이터 처리 방법 및 장치
KR102258100B1 (ko) 2014-11-18 2021-05-28 삼성전자주식회사 텍스쳐 처리 방법 및 장치
GB2562041B (en) * 2017-04-28 2020-11-25 Imagination Tech Ltd Multi-output decoder for texture decompression
CN114255160B (zh) * 2022-02-28 2022-06-14 腾讯科技（深圳）有限公司 数据处理方法、装置、设备及存储介质
CN115794666B (zh) * 2023-01-31 2023-05-05 摩尔线程智能科技(北京)有限责任公司 纹素的内存地址确定方法、装置、设备及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60315407D1 (de) 2003-02-06 2007-09-20 St Microelectronics Srl Verfahren und Vorrichtung zum Komprimierung von Texturen
US7171051B1 (en) 2003-06-17 2007-01-30 Nvidia Corporation Method and apparatus for performing fixed blocksize compression for texture mapping
US7009620B2 (en) * 2003-07-30 2006-03-07 Hewlett-Packard Development Company, L.P. System and method for combining parametric texture maps
GB0504570D0 (en) 2005-03-04 2005-04-13 Falanx Microsystems As Method of and apparatus for encoding data
CN101258526B (zh) * 2005-08-19 2011-05-11 艾利森电话股份有限公司 基于具有修改亮度的两个色调的纹理压缩
US9418450B2 (en) * 2006-08-31 2016-08-16 Ati Technologies Ulc Texture compression techniques
US8165393B2 (en) * 2008-06-05 2012-04-24 Microsoft Corp. High dynamic range texture compression
US8447103B2 (en) 2009-06-16 2013-05-21 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for image processing

Also Published As

Publication number Publication date
US20130033513A1 (en) 2013-02-07
NZ602796A (en) 2014-10-31
EP2556492A4 (en) 2016-08-31
US9111328B2 (en) 2015-08-18
EP2556492A1 (en) 2013-02-13
WO2011126424A1 (en) 2011-10-13

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: G06T 9/00 (2006.01)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements