JP3167631B2 - 補間回路、グラフィックスコントローラ回路、圧縮ピクセルデータ生成回路、圧縮ピクセルデータ伸長回路、コンピュータシステム、アップスケール方法および圧縮ピクセルデータ生成方法 - Google Patents

補間回路、グラフィックスコントローラ回路、圧縮ピクセルデータ生成回路、圧縮ピクセルデータ伸長回路、コンピュータシステム、アップスケール方法および圧縮ピクセルデータ生成方法

Info

Publication number
JP3167631B2
JP3167631B2 JP31238696A JP31238696A JP3167631B2 JP 3167631 B2 JP3167631 B2 JP 3167631B2 JP 31238696 A JP31238696 A JP 31238696A JP 31238696 A JP31238696 A JP 31238696A JP 3167631 B2 JP3167631 B2 JP 3167631B2
Authority
JP
Japan
Prior art keywords
pixel data
value
scan line
compressed
generating
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
Application number
JP31238696A
Other languages
English (en)
Japanese (ja)
Other versions
JPH09185361A (ja
Inventor
ジェイ. エグリット アレクサンダー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cirrus Logic Inc
Original Assignee
Cirrus Logic Inc
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 Cirrus Logic Inc filed Critical Cirrus Logic Inc
Publication of JPH09185361A publication Critical patent/JPH09185361A/ja
Application granted granted Critical
Publication of JP3167631B2 publication Critical patent/JP3167631B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00Geometric image transformations in the plane of the image
    • G06T3/40Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Processing (AREA)
JP31238696A 1995-11-22 1996-11-22 補間回路、グラフィックスコントローラ回路、圧縮ピクセルデータ生成回路、圧縮ピクセルデータ伸長回路、コンピュータシステム、アップスケール方法および圧縮ピクセルデータ生成方法 Expired - Lifetime JP3167631B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/561,726 1995-11-22
US08/561,726 US5850207A (en) 1995-11-22 1995-11-22 Method and apparatus for minimizing effects of slope overload condition when using differential pulse code modulation scheme

Publications (2)

Publication Number Publication Date
JPH09185361A JPH09185361A (ja) 1997-07-15
JP3167631B2 true JP3167631B2 (ja) 2001-05-21

Family

ID=24243173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31238696A Expired - Lifetime JP3167631B2 (ja) 1995-11-22 1996-11-22 補間回路、グラフィックスコントローラ回路、圧縮ピクセルデータ生成回路、圧縮ピクセルデータ伸長回路、コンピュータシステム、アップスケール方法および圧縮ピクセルデータ生成方法

Country Status (4)

Country Link
US (1) US5850207A (enExample)
EP (1) EP0775974A3 (enExample)
JP (1) JP3167631B2 (enExample)
TW (1) TW317066B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6052133A (en) * 1997-06-27 2000-04-18 S3 Incorporated Multi-function controller and method for a computer graphics display system
US6549669B1 (en) * 1999-04-27 2003-04-15 Telefonaktiebolaget L M Ericsson (Publ) Predictive audio and video encoding with smooth scene switching capability
US6636229B2 (en) * 2000-03-10 2003-10-21 Matsushita Electric Industrial Co., Ltd. Gradation correction circuit, and γ correction apparatus
US7868890B2 (en) * 2004-02-24 2011-01-11 Qualcomm Incorporated Display processor for a wireless device
US7551806B2 (en) * 2005-07-28 2009-06-23 Etron Technology, Inc. Two stage interpolation apparatus and method for up-scaling an image on display device
JP5111797B2 (ja) * 2006-06-29 2013-01-09 株式会社東芝 情報処理装置及び情報処理方法
US8368706B2 (en) 2007-06-01 2013-02-05 Gvbb Holdings S.A.R.L. Image processing device and method for pixel data conversion
KR102343375B1 (ko) * 2015-04-30 2021-12-27 삼성디스플레이 주식회사 표시장치

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2309444C3 (de) * 1973-02-26 1980-06-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart System zur digitalen Bildübertragung mittels Differenz-Pulscodemodulation (DPCM)
DE2355676C3 (de) * 1973-11-07 1979-01-18 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur Übertragung von Signalen mit Differenz-Pulscodemodulation (DPCM)
US4988984A (en) * 1988-10-31 1991-01-29 International Business Machines Corporation Image interpolator for an image display system
JPH03112283A (ja) * 1989-09-26 1991-05-13 Pioneer Electron Corp 画像信号の符号化方式
US5146325A (en) * 1991-04-29 1992-09-08 Rca Thomson Licensing Corporation Video signal decompression apparatus for independently compressed even and odd field data
JP2547686B2 (ja) * 1991-06-21 1996-10-23 三洋電機株式会社 映像信号処理回路
US5285197A (en) * 1991-08-28 1994-02-08 Nec Technologies, Inc. Method and apparatus for automatic selection of scan rates for enhanced VGA-compatible monitors
JPH0583700A (ja) * 1991-09-18 1993-04-02 Nec Corp Dpcm予測符号化回路
KR930009436B1 (ko) * 1991-12-27 1993-10-04 삼성전자 주식회사 파형부호화/복호화 장치 및 방법
US5257103A (en) * 1992-02-05 1993-10-26 Nview Corporation Method and apparatus for deinterlacing video inputs
GB2267624B (en) * 1992-05-05 1995-09-20 Acorn Computers Ltd Image data compression
US5408542A (en) * 1992-05-12 1995-04-18 Apple Computer, Inc. Method and apparatus for real-time lossless compression and decompression of image data
DE69318216T2 (de) * 1992-06-22 1998-08-27 Thomson Multimedia Sa Verfahren und Vorrichtung zur adaptiven Interpolation
US5367383A (en) * 1992-11-27 1994-11-22 Eastman Kodak Company Method and apparatus for maximizing data storage in a processor of image data
JP2962083B2 (ja) * 1993-01-22 1999-10-12 松下電器産業株式会社 解像度変換方法、解像度変換装置、画像符号化装置、画像復号化装置
US5621429A (en) * 1993-03-16 1997-04-15 Hitachi, Ltd. Video data display controlling method and video data display processing system
US5418714A (en) * 1993-04-08 1995-05-23 Eyesys Laboratories, Inc. Method and apparatus for variable block size interpolative coding of images

Also Published As

Publication number Publication date
US5850207A (en) 1998-12-15
EP0775974A3 (en) 1998-04-29
EP0775974A2 (en) 1997-05-28
TW317066B (enExample) 1997-10-01
JPH09185361A (ja) 1997-07-15

Similar Documents

Publication Publication Date Title
US6295379B1 (en) DPCM image compression with plural quantization table levels
US5081450A (en) Apparatus and method for compressing and expanding multibit digital pixel data
JP2861890B2 (ja) カラー画像表示装置
EP0272763B1 (en) Image display apparatus
JP3271108B2 (ja) ディジタル画像信号の処理装置および方法
US5920659A (en) Method and apparatus for scaling image data having associated transparency data
US5799110A (en) Hierarchical adaptive multistage vector quantization
EP0909516A1 (en) Method and apparatus for decoding spatiochromatically multiplexed color images using predetermined coefficients
US5381180A (en) Method and apparatus for generating CLUT-format video images
US5600375A (en) Rendering an inter verses intra video encoding decision based upon a vertical gradient measure of target video frames
US5844612A (en) Motion vector quantizing selection system
US6057885A (en) Picture information converting apparatus and method thereof and sum-of-product calculating circuit and method thereof
US6115507A (en) Method and apparatus for upscaling video images in a graphics controller chip
JP3167631B2 (ja) 補間回路、グラフィックスコントローラ回路、圧縮ピクセルデータ生成回路、圧縮ピクセルデータ伸長回路、コンピュータシステム、アップスケール方法および圧縮ピクセルデータ生成方法
US6717987B1 (en) Video compression method and apparatus employing error generation and error compression
US5513301A (en) Image compression and decompression apparatus with reduced frame memory
US20210021796A1 (en) Image processing device and method for operating image processing device
US20190238894A1 (en) Image processing device and method for operating image processing device
US20050163389A1 (en) Image data comprising device, image data compression method, recording medium, and program
US5768507A (en) Method and apparatus for overcoming a slope overload condition while using differential pulse code modulation scheme
US4870479A (en) Video graphics memory storage reduction technique
JP2001339695A (ja) 画像信号処理装置及び画像信号処理方法
HK1010415A (en) Apparatus for image scaling using interpolation
US5825426A (en) Video subsampling mode decisions based upon interpolation error measures
JP2663922B2 (ja) 動画像符号化装置

Legal Events

Date Code Title Description
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20010201

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080309

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090309

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100309

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110309

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110309

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120309

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130309

Year of fee payment: 12

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130309

Year of fee payment: 12

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140309

Year of fee payment: 13

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term