BR112015003277A2 - método de medição de luz, dispositivo de medição de luz e terminal - Google Patents

método de medição de luz, dispositivo de medição de luz e terminal

Info

Publication number
BR112015003277A2
BR112015003277A2 BR112015003277A BR112015003277A BR112015003277A2 BR 112015003277 A2 BR112015003277 A2 BR 112015003277A2 BR 112015003277 A BR112015003277 A BR 112015003277A BR 112015003277 A BR112015003277 A BR 112015003277A BR 112015003277 A2 BR112015003277 A2 BR 112015003277A2
Authority
BR
Brazil
Prior art keywords
light
light metering
touch screen
metering area
point
Prior art date
Application number
BR112015003277A
Other languages
English (en)
Inventor
Liu Lin
Qin Qiuping
Zhang Tao
Original Assignee
Xiaomi 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
Application filed by Xiaomi Inc filed Critical Xiaomi Inc
Publication of BR112015003277A2 publication Critical patent/BR112015003277A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/71—Circuitry for evaluating the brightness variation
    • 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
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0414—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using plane or convex mirrors, parallel phase plates, or plane beam-splitters
    • 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
    • G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
    • G06V10/267—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion by performing operations on regions, e.g. growing, shrinking or watersheds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces
    • 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
    • G06T2207/20—Special algorithmic details
    • G06T2207/20092—Interactive image processing based on input by user
    • G06T2207/20101—Interactive definition of point of interest, landmark or seed
    • 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
    • G06T2207/30196—Human being; Person

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Human Computer Interaction (AREA)
  • Studio Devices (AREA)
  • User Interface Of Digital Computer (AREA)
  • Image Analysis (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Exposure Control For Cameras (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

resumo patente de invenção: "método e dispositivo de medição de luz". a presente descrição refere-se a um método e a um dispositivo de medição de luz. o método de medição de luz inclui: adquirir um ponto na tela de toque inserido pelos usuários e situado na área de medição de luz; determinar uma área inicial de medição de luz que compreende o ponto na tela de toque em toda uma imagem exibida na tela de toque; segmentar uma imagem compreendida na área inicial de medição de luz, assim segmentando a região de fundo dispensada com medição de luz e uma região de objeto que compreende o ponto na tela de toque e finalmente servir como a área de medição de luz; e medição de pontos de imagem dentro da região de objeto. a precisão de medição de luz pode ser aprimorada por meio da presente descrição.
BR112015003277A 2014-07-31 2014-11-19 método de medição de luz, dispositivo de medição de luz e terminal BR112015003277A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410373717.0A CN104219518B (zh) 2014-07-31 2014-07-31 测光方法及装置
PCT/CN2014/091557 WO2016015402A1 (zh) 2014-07-31 2014-11-19 测光方法及装置

Publications (1)

Publication Number Publication Date
BR112015003277A2 true BR112015003277A2 (pt) 2017-07-04

Family

ID=52100598

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015003277A BR112015003277A2 (pt) 2014-07-31 2014-11-19 método de medição de luz, dispositivo de medição de luz e terminal

Country Status (8)

Country Link
EP (1) EP2981065B1 (pt)
JP (1) JP6149162B2 (pt)
KR (1) KR101813194B1 (pt)
CN (1) CN104219518B (pt)
BR (1) BR112015003277A2 (pt)
MX (1) MX352793B (pt)
RU (1) RU2628236C2 (pt)
WO (1) WO2016015402A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105227857B (zh) * 2015-10-08 2018-05-18 广东欧珀移动通信有限公司 一种自动曝光的方法和装置
CN109376588B (zh) * 2018-09-05 2019-08-02 北京达佳互联信息技术有限公司 一种人脸测光点选取方法、装置和拍摄设备
WO2023098743A1 (zh) * 2021-11-30 2023-06-08 上海闻泰信息技术有限公司 自动曝光方法、装置、设备及存储介质
CN115474007A (zh) * 2022-08-12 2022-12-13 北京城市网邻信息技术有限公司 一种拍摄方法、装置、终端设备及存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11136568A (ja) * 1997-10-31 1999-05-21 Fuji Photo Film Co Ltd タッチパネル操作式カメラ
CN100448267C (zh) * 2004-02-06 2008-12-31 株式会社尼康 数码相机
US7847830B2 (en) * 2006-11-21 2010-12-07 Sony Ericsson Mobile Communications Ab System and method for camera metering based on flesh tone detection
JP5386793B2 (ja) * 2006-12-11 2014-01-15 株式会社リコー 撮像装置および撮像装置の露出制御方法
US8237807B2 (en) * 2008-07-24 2012-08-07 Apple Inc. Image capturing device with touch screen for adjusting camera settings
JP2010072619A (ja) * 2008-08-22 2010-04-02 Nikon Corp 露出演算装置およびカメラ
JP2010200057A (ja) * 2009-02-26 2010-09-09 Hitachi Ltd 撮像装置
US20130321687A1 (en) * 2010-12-09 2013-12-05 Dimitri NEGROPONTE Light metering in cameras for backlit scenes
WO2012155446A1 (zh) * 2011-07-18 2012-11-22 中兴通讯股份有限公司 局部图像平移方法及带有触摸屏的终端
JP6083987B2 (ja) * 2011-10-12 2017-02-22 キヤノン株式会社 撮像装置、その制御方法及びプログラム
JP5872395B2 (ja) * 2012-06-29 2016-03-01 セコム株式会社 領域分割装置
KR101918760B1 (ko) * 2012-10-30 2018-11-15 삼성전자주식회사 촬상 장치 및 제어 방법
CN103139481B (zh) * 2012-12-28 2015-07-08 努比亚技术有限公司 一种摄像装置和摄像方法

Also Published As

Publication number Publication date
RU2628236C2 (ru) 2017-08-15
MX2015002224A (es) 2016-08-30
CN104219518A (zh) 2014-12-17
WO2016015402A1 (zh) 2016-02-04
JP2016535307A (ja) 2016-11-10
CN104219518B (zh) 2018-09-18
MX352793B (es) 2017-12-07
EP2981065A1 (en) 2016-02-03
RU2015105744A (ru) 2016-09-10
JP6149162B2 (ja) 2017-06-14
KR101813194B1 (ko) 2017-12-28
KR20160024835A (ko) 2016-03-07
EP2981065B1 (en) 2019-02-20

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]