DE60138073D1 - Bildverarbeitungsverfahren und Bildverarbeitungsvorrichtung - Google Patents

Bildverarbeitungsverfahren und Bildverarbeitungsvorrichtung

Info

Publication number
DE60138073D1
DE60138073D1 DE60138073T DE60138073T DE60138073D1 DE 60138073 D1 DE60138073 D1 DE 60138073D1 DE 60138073 T DE60138073 T DE 60138073T DE 60138073 T DE60138073 T DE 60138073T DE 60138073 D1 DE60138073 D1 DE 60138073D1
Authority
DE
Germany
Prior art keywords
image processing
processing apparatus
processing method
image
processing
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 - Fee Related
Application number
DE60138073T
Other languages
English (en)
Inventor
Yukari Toda
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.)
Canon Inc
Original Assignee
Canon 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
Priority claimed from JP2000211377A external-priority patent/JP4027016B2/ja
Priority claimed from JP2001193640A external-priority patent/JP3715905B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE60138073D1 publication Critical patent/DE60138073D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V30/16—Image preprocessing
    • G06V30/162—Quantising the image signal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/413—Classification of content, e.g. text, photographs or tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G06T2207/10008—Still image; Photographic image from scanner, fax or copier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30176—Document
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
DE60138073T 2000-07-12 2001-07-11 Bildverarbeitungsverfahren und Bildverarbeitungsvorrichtung Expired - Fee Related DE60138073D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000211377A JP4027016B2 (ja) 2000-07-12 2000-07-12 画像処理装置、画像処理方法及び記憶媒体
JP2001193640A JP3715905B2 (ja) 2001-06-26 2001-06-26 画像処理装置、画像処理方法、プログラム並びに記憶媒体

Publications (1)

Publication Number Publication Date
DE60138073D1 true DE60138073D1 (de) 2009-05-07

Family

ID=26595877

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60138073T Expired - Fee Related DE60138073D1 (de) 2000-07-12 2001-07-11 Bildverarbeitungsverfahren und Bildverarbeitungsvorrichtung

Country Status (4)

Country Link
US (3) US6999619B2 (de)
EP (1) EP1173003B1 (de)
CN (2) CN100348014C (de)
DE (1) DE60138073D1 (de)

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CN103577510A (zh) * 2012-07-23 2014-02-12 阿里巴巴集团控股有限公司 搜索结果数据的展现方法，搜索服务器及移动终端
JP5666521B2 (ja) * 2012-07-31 2015-02-12 京セラドキュメントソリューションズ株式会社 画像処理装置及び画像処理方法
CN104376317B (zh) * 2013-08-12 2018-12-14 福建福昕软件开发股份有限公司北京分公司 一种将纸质文件转换为电子文件的方法
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JP6452657B2 (ja) 2016-09-07 2019-01-16 キヤノン株式会社 画像処理装置、その制御方法、及びプログラム
JP7185451B2 (ja) 2018-09-10 2022-12-07 キヤノン株式会社 画像処理装置と画像処理方法、及びプログラム
CN110445930B (zh) * 2019-07-30 2021-05-07 惠州Tcl移动通信有限公司 一种显示颜色切换方法、装置、存储介质及电子设备
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Also Published As

Publication number Publication date
US20020037102A1 (en) 2002-03-28
US20060029280A1 (en) 2006-02-09
US7221790B2 (en) 2007-05-22
US6999619B2 (en) 2006-02-14
CN100348014C (zh) 2007-11-07
EP1173003A2 (de) 2002-01-16
EP1173003B1 (de) 2009-03-25
US20070154091A1 (en) 2007-07-05
CN1201266C (zh) 2005-05-11
CN1335581A (zh) 2002-02-13
US7376267B2 (en) 2008-05-20
CN1658650A (zh) 2005-08-24
EP1173003A3 (de) 2004-11-03

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