JP5137679B2 - 画像処理装置および画像処理方法 - Google Patents

画像処理装置および画像処理方法 Download PDF

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Publication number
JP5137679B2
JP5137679B2 JP2008121158A JP2008121158A JP5137679B2 JP 5137679 B2 JP5137679 B2 JP 5137679B2 JP 2008121158 A JP2008121158 A JP 2008121158A JP 2008121158 A JP2008121158 A JP 2008121158A JP 5137679 B2 JP5137679 B2 JP 5137679B2
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Japan
Prior art keywords
approximation
section
function approximation
function
data
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Expired - Fee Related
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JP2008121158A
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Japanese (ja)
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JP2009271700A5 (https=
JP2009271700A (ja
Inventor
良弘 石田
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Canon Inc
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Canon Inc
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Priority to JP2008121158A priority Critical patent/JP5137679B2/ja
Priority to US12/434,349 priority patent/US8335389B2/en
Publication of JP2009271700A publication Critical patent/JP2009271700A/ja
Publication of JP2009271700A5 publication Critical patent/JP2009271700A5/ja
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    • 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
    • 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
    • G06V10/469—Contour-based spatial representations, e.g. vector-coding
    • G06V10/471—Contour-based spatial representations, e.g. vector-coding using approximation functions

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Generation (AREA)
JP2008121158A 2008-05-07 2008-05-07 画像処理装置および画像処理方法 Expired - Fee Related JP5137679B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008121158A JP5137679B2 (ja) 2008-05-07 2008-05-07 画像処理装置および画像処理方法
US12/434,349 US8335389B2 (en) 2008-05-07 2009-05-01 Image processing device and method for benzier approximation accuracy within a pre-defined data amount or predetermined processing time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008121158A JP5137679B2 (ja) 2008-05-07 2008-05-07 画像処理装置および画像処理方法

Publications (3)

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JP2009271700A JP2009271700A (ja) 2009-11-19
JP2009271700A5 JP2009271700A5 (https=) 2011-06-16
JP5137679B2 true JP5137679B2 (ja) 2013-02-06

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JP2008121158A Expired - Fee Related JP5137679B2 (ja) 2008-05-07 2008-05-07 画像処理装置および画像処理方法

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US (1) US8335389B2 (https=)
JP (1) JP5137679B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9367933B2 (en) 2012-06-26 2016-06-14 Google Technologies Holdings LLC Layering a line with multiple layers for rendering a soft brushstroke
JP2016111616A (ja) * 2014-12-09 2016-06-20 キヤノン株式会社 情報処理装置および曲線算出方法、画像表示装置
CN110246104B (zh) * 2019-06-13 2023-04-25 大连民族大学 一种汉字图像处理方法
CN110232724A (zh) * 2019-06-13 2019-09-13 大连民族大学 一种汉字字体图像矢量表示方法
CN120823122A (zh) * 2025-09-18 2025-10-21 深圳市先地图像科技有限公司 一种图像处理方法及装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002091302A2 (en) * 2001-05-04 2002-11-14 Legend Films, Llc Image sequence enhancement system and method
JPS6058771A (ja) 1983-09-10 1985-04-04 Dainippon Screen Mfg Co Ltd 画像走査記録装置の入力走査部
JPS61108479A (ja) 1984-10-29 1986-05-27 Mazda Motor Corp スポツト溶接装置
JP3026592B2 (ja) * 1990-10-22 2000-03-27 キヤノン株式会社 輪郭抽出方法及びその装置
JPH05108823A (ja) * 1991-10-21 1993-04-30 Canon Inc 輪郭抽出方法及び装置
JP3049672B2 (ja) * 1991-12-26 2000-06-05 キヤノン株式会社 画像処理方法及び装置
JP3026698B2 (ja) * 1993-05-27 2000-03-27 キヤノン株式会社 画像処理方法及びその装置
JPH08179752A (ja) * 1994-12-21 1996-07-12 Canon Inc 画像処理装置及び方法
JP2002244643A (ja) * 2001-02-15 2002-08-30 Fuji Xerox Co Ltd 画像処理装置
US7212205B2 (en) * 2002-11-12 2007-05-01 Matsushita Electric Industrial Co., Ltd. Curved surface image processing apparatus and curved surface image processing method
US7043712B2 (en) * 2003-09-09 2006-05-09 International Business Machines Corporation Method for adaptive segment refinement in optical proximity correction
JP4371911B2 (ja) * 2004-05-31 2009-11-25 キヤノン株式会社 関数化処理方法及び関数化処理装置
US7873218B2 (en) * 2004-04-26 2011-01-18 Canon Kabushiki Kaisha Function approximation processing method and image processing method
JP4378208B2 (ja) * 2004-04-26 2009-12-02 キヤノン株式会社 情報処理装置及び情報処理方法
JP4878209B2 (ja) * 2006-05-15 2012-02-15 キヤノン株式会社 画像処理装置、画像処理方法、コンピュータプログラム
US7970216B2 (en) * 2006-08-24 2011-06-28 Dell Products L.P. Methods and apparatus for reducing storage size

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JP2009271700A (ja) 2009-11-19
US8335389B2 (en) 2012-12-18
US20090279802A1 (en) 2009-11-12

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