CN110060309B - 用于符号读取的局部色调映射 - Google Patents

用于符号读取的局部色调映射 Download PDF

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CN110060309B
CN110060309B CN201811487148.7A CN201811487148A CN110060309B CN 110060309 B CN110060309 B CN 110060309B CN 201811487148 A CN201811487148 A CN 201811487148A CN 110060309 B CN110060309 B CN 110060309B
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CN110060309A (zh
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高琛
I·巴舍尔德
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Cognex Corp
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/90—Determination of colour characteristics
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/146—Methods for optical code recognition the method including quality enhancement steps
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712—Fixed beam scanning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/1413—1D bar codes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • 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
    • G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
    • G06V10/225—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition based on a marking or identifier characterising the area
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • H04N1/4074—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original using histograms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06T2207/30204—Marker

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Image Processing (AREA)
CN201811487148.7A 2017-12-06 2018-12-06 用于符号读取的局部色调映射 Active CN110060309B (zh)

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US201762595522P 2017-12-06 2017-12-06
US62/595,522 2017-12-06

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CN110060309A CN110060309A (zh) 2019-07-26
CN110060309B true CN110060309B (zh) 2023-07-11

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EP (2) EP3968211B1 (https=)
JP (2) JP6945516B2 (https=)
CN (1) CN110060309B (https=)

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US10755062B1 (en) 2019-03-19 2020-08-25 Cognex Corporation System and method for evaluating symbols
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CN111563851B (zh) * 2020-03-27 2023-04-11 中国科学院西安光学精密机械研究所 一种基于动态高斯参数的图像映射方法
CN111397576B (zh) * 2020-04-21 2025-08-08 中冶赛迪工程技术股份有限公司 用于工业设备识别定位的标志块、方法及系统
DE102021131946B4 (de) * 2020-12-10 2025-12-31 Ifm Electronic Gmbh Erfassungseinrichtung, Verfahren sowie System zur visuellen Erfassung von Objekten
CN112817973B (zh) * 2021-01-22 2024-08-23 北京贝图灵科技发展有限公司 数据处理方法、装置、数据处理设备及存储介质
CN113393391B (zh) * 2021-06-10 2022-05-20 维沃移动通信（杭州）有限公司 图像增强方法、图像增强装置、电子设备和存储介质
US11582431B1 (en) * 2021-08-30 2023-02-14 Nvidia Corporation Image signal processing pipelines for high dynamic range sensors
US11961206B2 (en) * 2021-09-09 2024-04-16 Samsung Electronics Co., Ltd. Image generation using non-linear scaling and tone-mapping based on cubic spline curves
US20230115821A1 (en) * 2021-10-12 2023-04-13 Red.Com, Llc Image processing devices and methods
US11587213B1 (en) * 2021-11-05 2023-02-21 GM Cruise Holdings LLC. Preserving dynamic range in images
WO2023094875A1 (en) * 2021-11-29 2023-06-01 Weta Digital Limited Increasing dynamic range of a virtual production display
KR102564447B1 (ko) * 2021-11-30 2023-08-08 엘지전자 주식회사 디스플레이 장치
US12020412B1 (en) 2021-12-15 2024-06-25 Waymo Llc Systems and methods for a tone mapper solution for an autonomous driving system
CN114119944B (zh) * 2021-12-23 2024-12-24 天津天地伟业信息系统集成有限公司 一种图像检测装置、方法及计算机可读存储介质
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CN115081467B (zh) * 2022-07-22 2023-02-03 深圳市成为信息股份有限公司 一种手持机采集原始图像的方法、手持机及存储介质
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US12314813B2 (en) * 2023-09-29 2025-05-27 Omron Corporation Image modulation methods and devices using image filters, image parameters, quality scores, and grayscale clusters

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Publication number Publication date
JP6945516B2 (ja) 2021-10-06
US10607047B2 (en) 2020-03-31
CN110060309A (zh) 2019-07-26
EP3968211B1 (en) 2023-07-12
EP3495987A1 (en) 2019-06-12
EP3968211A1 (en) 2022-03-16
JP7245218B2 (ja) 2023-03-23
US11138397B2 (en) 2021-10-05
US20200293731A1 (en) 2020-09-17
US20190171853A1 (en) 2019-06-06
JP2021061018A (ja) 2021-04-15
JP2019125356A (ja) 2019-07-25
EP3495987B1 (en) 2021-08-11

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