IN2014KN02719A - - Google Patents

Info

Publication number
IN2014KN02719A
IN2014KN02719A IN2719KON2014A IN2014KN02719A IN 2014KN02719 A IN2014KN02719 A IN 2014KN02719A IN 2719KON2014 A IN2719KON2014 A IN 2719KON2014A IN 2014KN02719 A IN2014KN02719 A IN 2014KN02719A
Authority
IN
India
Prior art keywords
feature points
pattern
interpolated
feature
image
Prior art date
Application number
Other languages
English (en)
Inventor
Yukinaka Uchiyama
Fumihiro Hasegawa
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of IN2014KN02719A publication Critical patent/IN2014KN02719A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3185—Geometric adjustment, e.g. keystone or convergence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/18—Image warping, e.g. rearranging pixels individually
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/77—Retouching; Inpainting; Scratch removal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/80—Geometric correction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/36—Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V10/50—Extraction of image or video features by performing operations within image blocks; by using histograms, e.g. histogram of oriented gradients [HoG]; by summing image-intensity values; Projection analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/98—Detection or correction of errors, e.g. by rescanning the pattern or by human intervention; Evaluation of the quality of the acquired patterns
    • G06V10/993—Evaluation of the quality of the acquired pattern
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/2504—Calibration devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Geometry (AREA)
  • Nonlinear Science (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • User Interface Of Digital Computer (AREA)
IN2719KON2014 2012-05-21 2013-05-16 IN2014KN02719A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012115526 2012-05-21
JP2013045300 2013-03-07
JP2013052976A JP6070307B2 (ja) 2012-05-21 2013-03-15 パターン抽出装置、画像投影装置、パターン抽出方法およびプログラム
PCT/JP2013/064297 WO2013176198A1 (en) 2012-05-21 2013-05-16 Pattern extracting device, image projecting device, pattern extracting method, and program

Publications (1)

Publication Number Publication Date
IN2014KN02719A true IN2014KN02719A (es) 2015-05-08

Family

ID=49623880

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2719KON2014 IN2014KN02719A (es) 2012-05-21 2013-05-16

Country Status (7)

Country Link
US (1) US9767377B2 (es)
EP (1) EP2853090A4 (es)
JP (1) JP6070307B2 (es)
CN (1) CN104365086B (es)
AU (1) AU2013263911B2 (es)
IN (1) IN2014KN02719A (es)
WO (1) WO2013176198A1 (es)

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TWI521476B (zh) * 2015-04-17 2016-02-11 銘傳大學 週期性圖案之自動光學檢測方法
WO2017149549A1 (en) * 2016-03-04 2017-09-08 Hewlett-Packard Development Company, L.P. Correcting captured images using a reference image
JP7010209B2 (ja) * 2016-03-28 2022-01-26 ソニーグループ株式会社 画像処理装置および方法
JP6787375B2 (ja) * 2018-08-29 2020-11-18 セイコーエプソン株式会社 表示システム、制御装置、表示システムの制御方法、およびプログラム
US10996481B1 (en) * 2019-11-19 2021-05-04 GM Global Technology Operations LLC Head-up display calibration
US11763468B2 (en) * 2020-03-12 2023-09-19 Ping An Technology (Shenzhen) Co., Ltd. Structured landmark detection via topology-adapting deep graph learning
US11394940B1 (en) * 2021-04-16 2022-07-19 Texas Instruments Incorporated Dynamic image warping
CN116456065A (zh) * 2022-01-10 2023-07-18 中强光电股份有限公司 投影位置指引方法

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Also Published As

Publication number Publication date
AU2013263911A1 (en) 2014-12-04
WO2013176198A1 (en) 2013-11-28
EP2853090A4 (en) 2015-06-10
CN104365086A (zh) 2015-02-18
JP2014197242A (ja) 2014-10-16
EP2853090A1 (en) 2015-04-01
US20150146990A1 (en) 2015-05-28
AU2013263911B2 (en) 2016-02-11
US9767377B2 (en) 2017-09-19
CN104365086B (zh) 2018-06-29
JP6070307B2 (ja) 2017-02-01

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