JPS595379A - グラフイツク入力デ−タの圧縮記憶方法 - Google Patents

グラフイツク入力デ−タの圧縮記憶方法

Info

Publication number
JPS595379A
JPS595379A JP58098114A JP9811483A JPS595379A JP S595379 A JPS595379 A JP S595379A JP 58098114 A JP58098114 A JP 58098114A JP 9811483 A JP9811483 A JP 9811483A JP S595379 A JPS595379 A JP S595379A
Authority
JP
Japan
Prior art keywords
point
points
data
input
coordinate point
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.)
Granted
Application number
JP58098114A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0139150B2 (show.php
Inventor
ダニ−ブラツドレ−・コンビス
ポ−ル・ジエ−ムズ・グリム
マ−チン・アンドリユ−・リ−ド
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS595379A publication Critical patent/JPS595379A/ja
Publication of JPH0139150B2 publication Critical patent/JPH0139150B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/32—Digital ink
    • G06V30/333—Preprocessing; Feature extraction
    • G06V30/347—Sampling; Contour coding; Stroke extraction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Processing Or Creating Images (AREA)
  • Image Processing (AREA)
JP58098114A 1982-06-29 1983-06-03 グラフイツク入力デ−タの圧縮記憶方法 Granted JPS595379A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US393281 1982-06-29
US06/393,281 US4550438A (en) 1982-06-29 1982-06-29 Retro-stroke compression and image generation of script and graphic data employing an information processing system

Publications (2)

Publication Number Publication Date
JPS595379A true JPS595379A (ja) 1984-01-12
JPH0139150B2 JPH0139150B2 (show.php) 1989-08-18

Family

ID=23554054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58098114A Granted JPS595379A (ja) 1982-06-29 1983-06-03 グラフイツク入力デ−タの圧縮記憶方法

Country Status (4)

Country Link
US (1) US4550438A (show.php)
EP (1) EP0099971B1 (show.php)
JP (1) JPS595379A (show.php)
DE (1) DE3382188D1 (show.php)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6249483A (ja) * 1985-08-28 1987-03-04 Hitachi Ltd 実時間手書き文字認識の文字入力方式
US4817034A (en) * 1986-02-11 1989-03-28 E.S.P. Systems, Inc. Computerized handwriting duplication system
US4793810A (en) * 1986-11-19 1988-12-27 Data Entry Systems, Inc. Interactive instructional apparatus and method
US5644654A (en) * 1987-04-06 1997-07-01 Canon Kabushiki Kaisha Image processing apparatus capable of efficient coding of complex shape information
JP2589999B2 (ja) * 1988-03-18 1997-03-12 株式会社竹中工務店 図形入出力装置
US5091975A (en) * 1990-01-04 1992-02-25 Teknekron Communications Systems, Inc. Method and an apparatus for electronically compressing a transaction with a human signature
JP2833092B2 (ja) * 1990-01-26 1998-12-09 ブラザー工業株式会社 輪郭線データの圧縮装置および復元装置
US5239470A (en) * 1990-02-08 1993-08-24 Yazaki Corporation Data recording method and device
JPH05189617A (ja) * 1991-04-15 1993-07-30 Microsoft Corp 手書き文字認識に於けるアークのセグメント化の方法と装置
FR2676568B1 (fr) * 1991-05-17 1997-04-18 Aviau De Piolant Jean Louis D Systeme de dessin graphique.
US5227590A (en) * 1991-05-17 1993-07-13 Ncr Corporation Handwriting capture device
US5272470A (en) * 1991-10-10 1993-12-21 International Business Machines Corporation Apparatus and method for reducing system overhead while inking strokes in a finger or stylus-based input device of a data processing system
US5699445A (en) * 1992-04-10 1997-12-16 Paul W. Martin Method for recording compressed data
US5448044A (en) * 1993-04-30 1995-09-05 Microbilt Corporation Signature capture pad for point of sale system
US5623555A (en) * 1994-04-18 1997-04-22 Lucent Technologies Inc. Method and apparatus for handwriting decompression using estimated timing information
US5668352A (en) * 1994-12-21 1997-09-16 At&T Global Information Solutions Company Data compression in digitizing tablet
EP0727760A3 (en) 1995-02-17 1997-01-29 Ibm Product size detection system
JP3086396B2 (ja) * 1995-03-10 2000-09-11 シャープ株式会社 画像符号化装置及び画像復号装置
JPH09282080A (ja) * 1996-04-16 1997-10-31 Canon Inc 情報入力方法とその装置
US6044174A (en) * 1996-10-11 2000-03-28 Lucent Technologies Inc. Method and apparatus for parametric representation of handwritten symbols
US6208757B1 (en) * 1996-10-11 2001-03-27 Lucent Technologies Inc. Method and apparatus for reconstructing handwritten symbols from parametric representations thereof
US5889889A (en) * 1996-12-13 1999-03-30 Lucent Technologies Inc. Method and apparatus for machine recognition of handwritten symbols from stroke-parameter data
US6177927B1 (en) 1998-05-14 2001-01-23 Virtual Ink Corp. Transcription system kit
US6100877A (en) * 1998-05-14 2000-08-08 Virtual Ink, Corp. Method for calibrating a transcription system
US6124847A (en) * 1998-05-14 2000-09-26 Virtual Ink, Corp. Collapsible detector assembly
US6147681A (en) * 1998-05-14 2000-11-14 Virtual Ink, Corp. Detector for use in a transcription system
US6111565A (en) * 1998-05-14 2000-08-29 Virtual Ink Corp. Stylus for use with transcription system
US6232962B1 (en) 1998-05-14 2001-05-15 Virtual Ink Corporation Detector assembly for use in a transcription system
US6191778B1 (en) 1998-05-14 2001-02-20 Virtual Ink Corp. Transcription system kit for forming composite images
US6211863B1 (en) 1998-05-14 2001-04-03 Virtual Ink. Corp. Method and software for enabling use of transcription system as a mouse
US20020054026A1 (en) * 2000-04-17 2002-05-09 Bradley Stevenson Synchronized transmission of recorded writing data with audio
US8633930B2 (en) * 2007-03-26 2014-01-21 Apple Inc. Non-linear text flow

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53121425A (en) * 1977-03-31 1978-10-23 Nippon Telegr & Teleph Corp <Ntt> Transmission system for curve data

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3399401A (en) * 1964-06-29 1968-08-27 Army Usa Digital computer and graphic input system
US3732557A (en) * 1971-05-03 1973-05-08 Evans & Sutherland Computer Co Incremental position-indicating system
JPS5440176B2 (show.php) * 1973-11-05 1979-12-01
US3909785A (en) * 1973-11-12 1975-09-30 Amperex Electronic Corp Apparatus for recognizing hand printed characters
GB1517870A (en) * 1976-12-20 1978-07-12 Ibm Apparatus for producing vectors from raster scanned data
CH615032A5 (en) * 1977-01-11 1979-12-28 Pieter De Bruyne Method for checking the authenticity of a signature
US4181956A (en) * 1977-11-07 1980-01-01 General Signal Corporation Digital indicia generator employing compressed data
US4199815A (en) * 1978-05-12 1980-04-22 Electra Corporation Typesetter character generating apparatus
JPS5926064B2 (ja) * 1979-09-10 1984-06-23 工業技術院長 輪郭画像の特徴抽出装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53121425A (en) * 1977-03-31 1978-10-23 Nippon Telegr & Teleph Corp <Ntt> Transmission system for curve data

Also Published As

Publication number Publication date
US4550438A (en) 1985-10-29
DE3382188D1 (de) 1991-04-11
JPH0139150B2 (show.php) 1989-08-18
EP0099971B1 (en) 1991-03-06
EP0099971A3 (en) 1987-04-01
EP0099971A2 (en) 1984-02-08

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