CN107924469B - 对设置在光学活性制品上的符号中的数据进行编码 - Google Patents

对设置在光学活性制品上的符号中的数据进行编码 Download PDF

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CN107924469B
CN107924469B CN201680048604.0A CN201680048604A CN107924469B CN 107924469 B CN107924469 B CN 107924469B CN 201680048604 A CN201680048604 A CN 201680048604A CN 107924469 B CN107924469 B CN 107924469B
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symbol
computing device
image
determining
regions
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CN107924469A (zh
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贾斯廷·M·约翰逊
詹姆斯·W·霍华德
詹姆斯·B·斯尼德尔
托马斯·J·达林
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3M Innovative Properties Co
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3M Innovative Properties Co
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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
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/143—Sensing or illuminating at different wavelengths
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/145—Illumination specially adapted for pattern recognition, e.g. using gratings
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G06V10/245—Aligning, centring, orientation detection or correction of the image by locating a pattern; Special marks for positioning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/63—Scene text, e.g. street names
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/625—License plates

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Credit Cards Or The Like (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Traffic Control Systems (AREA)
CN201680048604.0A 2015-08-21 2016-08-19 对设置在光学活性制品上的符号中的数据进行编码 Active CN107924469B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562207986P 2015-08-21 2015-08-21
US62/207,986 2015-08-21
US201662316747P 2016-04-01 2016-04-01
US62/316,747 2016-04-01
PCT/US2016/047682 WO2017034938A1 (en) 2015-08-21 2016-08-19 Encoding data in symbols disposed on an optically active article

Publications (2)

Publication Number Publication Date
CN107924469A CN107924469A (zh) 2018-04-17
CN107924469B true CN107924469B (zh) 2022-04-12

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US (1) US10896340B2 (enExample)
EP (1) EP3338218A1 (enExample)
JP (1) JP7140453B2 (enExample)
CN (1) CN107924469B (enExample)
WO (1) WO2017034938A1 (enExample)

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JP7088597B2 (ja) 2016-09-28 2022-06-21 スリーエム イノベイティブ プロパティズ カンパニー 機械可読性物品のための耐遮蔽性光学コード
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CN102858528A (zh) * 2010-04-15 2013-01-02 3M创新有限公司 包括光学活性区域和光学非活性区域的回射制品
CN104584035A (zh) * 2012-03-30 2015-04-29 3M创新有限公司 具有机器可读代码的逆向反射制品

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Publication number Publication date
JP2018537744A (ja) 2018-12-20
US10896340B2 (en) 2021-01-19
JP7140453B2 (ja) 2022-09-21
WO2017034938A1 (en) 2017-03-02
EP3338218A1 (en) 2018-06-27
CN107924469A (zh) 2018-04-17
US20180253616A1 (en) 2018-09-06

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