CN104780358B - 基于多个影像的闪烁侦测方法及电路 - Google Patents

基于多个影像的闪烁侦测方法及电路 Download PDF

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Publication number
CN104780358B
CN104780358B CN201510002287.6A CN201510002287A CN104780358B CN 104780358 B CN104780358 B CN 104780358B CN 201510002287 A CN201510002287 A CN 201510002287A CN 104780358 B CN104780358 B CN 104780358B
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China
Prior art keywords
flash signal
image
signal
flashing
frequency
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Expired - Fee Related
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CN201510002287.6A
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English (en)
Chinese (zh)
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CN104780358A (zh
Inventor
刘欣宜
德米特里·比托克
王牧歌
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Xueshan Technology Co ltd
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MediaTek Singapore Pte Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
    • H04N7/0132—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter the field or frame frequency of the incoming video signal being multiplied by a positive integer, e.g. for flicker reduction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Studio Devices (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Picture Signal Circuits (AREA)
CN201510002287.6A 2014-01-03 2015-01-04 基于多个影像的闪烁侦测方法及电路 Expired - Fee Related CN104780358B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461923390P 2014-01-03 2014-01-03
US61/923,390 2014-01-03
US14/583,241 2014-12-26
US14/583,241 US9686505B2 (en) 2014-01-03 2014-12-26 Method for flicker detection and associated circuit

Publications (2)

Publication Number Publication Date
CN104780358A CN104780358A (zh) 2015-07-15
CN104780358B true CN104780358B (zh) 2018-12-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510002287.6A Expired - Fee Related CN104780358B (zh) 2014-01-03 2015-01-04 基于多个影像的闪烁侦测方法及电路

Country Status (4)

Country Link
US (1) US9686505B2 (enExample)
CN (1) CN104780358B (enExample)
BR (1) BR102015000159A2 (enExample)
IN (1) IN2014MU04250A (enExample)

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US10298843B2 (en) * 2014-04-22 2019-05-21 Sony Semiconductor Solutions Corporation Image processing device, image processing method, and electronic apparatus for motion detection in image
US10973713B2 (en) * 2014-06-30 2021-04-13 Rehabilitation Institute Of Chicago Body signal control device and related methods
JP6175585B2 (ja) * 2015-02-16 2017-08-02 富士フイルム株式会社 撮像装置、フリッカ検出方法、及びフリッカ検出プログラム
JP6645494B2 (ja) * 2015-04-09 2020-02-14 ソニー株式会社 撮像装置および方法、電子機器、並びに車載用電子機器
JP6566737B2 (ja) * 2015-06-18 2019-08-28 キヤノン株式会社 情報処理装置、情報処理方法、プログラム
US10444006B2 (en) 2015-08-19 2019-10-15 Faro Technologies, Inc. Three-dimensional imager
JP6646257B2 (ja) * 2016-02-08 2020-02-14 富士ゼロックス株式会社 端末装置、診断システムおよびプログラム
JP6691012B2 (ja) * 2016-07-28 2020-04-28 マレリ株式会社 車両用周辺監視装置および車両用周辺監視方法
GB2568924B (en) * 2017-11-30 2022-07-20 Apical Ltd Method of flicker reduction
TWI680675B (zh) * 2017-12-29 2019-12-21 聯發科技股份有限公司 影像處理裝置與相關的影像處理方法
US11416759B2 (en) * 2018-05-24 2022-08-16 Samsung Electronics Co., Ltd. Event-based sensor that filters for flicker
US11025825B2 (en) 2018-07-19 2021-06-01 Karl Storz Imaging, Inc. System and method to obtain a moving endoscopic image
US11196940B2 (en) 2018-10-10 2021-12-07 Johnson Controls Tyco IP Holdings LLP Systems and methods of eliminating video flicker caused by LED duty cycling to maintain brightness and control power consumption
US10798298B1 (en) * 2019-02-05 2020-10-06 Facebook Technologies, Llc Flicker detector
CN111131718B (zh) * 2019-07-16 2021-05-14 深圳市艾为智能有限公司 一种具有led闪烁补偿功能的多重曝光图像融合方法和系统
US11039081B2 (en) * 2019-07-17 2021-06-15 Pixart Imaging Inc. Image sensor capable of eliminating rolling flicker and adjusting frame rate
CN114630054B (zh) * 2020-12-14 2024-10-29 瑞昱半导体股份有限公司 具有图像闪烁检测机制的图像获取装置及其图像闪烁检测方法
CN112798861B (zh) * 2020-12-30 2022-08-02 广东电网有限责任公司广州供电局 电压闪变参数识别方法、装置、计算机设备和存储介质
US12231780B2 (en) * 2022-02-09 2025-02-18 Samsung Electronics Co., Ltd. System and method for flicker avoidance in multi-frame multi-exposure image captures
CN115914852B (zh) * 2022-12-14 2024-11-29 豪威科技(上海)有限公司 成像系统目标频率光源的识别方法及终端设备
CN119154945B (zh) * 2024-11-13 2025-02-18 浙大城市学院 一种大气湍流光强闪烁模型参数估计方法和系统

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Publication number Priority date Publication date Assignee Title
CA2322593C (en) 1999-10-08 2004-02-03 Matsushita Electric Industrial Co., Ltd. Method and apparatus for detection and correction of illumination flicker
US7187405B2 (en) * 2001-10-02 2007-03-06 Avago Technologies General Ip (Singapore) Pte. Ltd. Automatic flicker frequency detection device and method
CN100480831C (zh) 2004-05-11 2009-04-22 北京中星微电子有限公司 一种判别室内50Hz/60Hz光照环境的装置
US7538799B2 (en) 2005-01-14 2009-05-26 Freescale Semiconductor, Inc. System and method for flicker detection in digital imaging
US8092506B2 (en) 2007-09-07 2012-01-10 Steven Haase Ionic foot bath array with ionic circulation
US8441551B2 (en) * 2008-11-14 2013-05-14 Ati Technologies Ulc Flicker detection circuit for imaging sensors that employ rolling shutters
US20110255786A1 (en) * 2010-04-20 2011-10-20 Andrew Hunter Method and apparatus for determining flicker in the illumination of a subject
US8908101B2 (en) * 2012-03-14 2014-12-09 Samsung Techwin Co., Ltd. Method and apparatus for reducing noise of video

Also Published As

Publication number Publication date
CN104780358A (zh) 2015-07-15
IN2014MU04250A (enExample) 2015-10-16
US20150195487A1 (en) 2015-07-09
BR102015000159A2 (pt) 2016-06-28
US9686505B2 (en) 2017-06-20

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Effective date of registration: 20220214

Address after: ottawa

Patentee after: Xueshan Technology Co.,Ltd.

Address before: One of the third floor of Soras building, No. 1 downtown Avenue, Singapore

Patentee before: MediaTek (Singapore) Pte. Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181214