MX352793B - Método y dispositivo de medición de luz. - Google Patents

Método y dispositivo de medición de luz.

Info

Publication number
MX352793B
MX352793B MX2015002224A MX2015002224A MX352793B MX 352793 B MX352793 B MX 352793B MX 2015002224 A MX2015002224 A MX 2015002224A MX 2015002224 A MX2015002224 A MX 2015002224A MX 352793 B MX352793 B MX 352793B
Authority
MX
Mexico
Prior art keywords
photometry
area
touch point
initial
image
Prior art date
Application number
MX2015002224A
Other languages
English (en)
Other versions
MX2015002224A (es
Inventor
Tao Zhang
Lin Liu
Qiuping Qin
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 MX2015002224A publication Critical patent/MX2015002224A/es
Publication of MX352793B publication Critical patent/MX352793B/es

Links

Classifications

    • 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
    • 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
    • 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

La presente descripción se refiere a un método y dispositivo de medición de luz; el método de medición de luz incluye: adquirir un punto de la pantalla táctil ingresado por los usuarios y que se sitúa en un área de medición de luz; determinar un área inicial de medición de luz que comprende el punto de pantalla táctil en una imagen completa desplegada en la pantalla táctil; dividir una imagen comprendida en el área inicial de medición de luz, dividiendo de este modo una región de fondo proporcionada con medición de luz y una región del objeto que comprende el punto de pantalla táctil y que actúa por último como un área de medición de luz; y medir los puntos de imagen dentro de la región del objeto; la exactitud de la medición de luz se puede mejorar por medio de la presente descripción.
MX2015002224A 2014-07-31 2014-11-19 Método y dispositivo de medición de luz. MX352793B (es)

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 (2)

Publication Number Publication Date
MX2015002224A MX2015002224A (es) 2016-08-30
MX352793B true MX352793B (es) 2017-12-07

Family

ID=52100598

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015002224A MX352793B (es) 2014-07-31 2014-11-19 Método y dispositivo de medición de luz.

Country Status (8)

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

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
CN114257738A (zh) * 2021-11-30 2022-03-29 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
WO2012078161A1 (en) * 2010-12-09 2012-06-14 Intel Corporation Light metering in cameras for backlit scenes
US9082197B2 (en) * 2011-07-18 2015-07-14 Zte Corporation Local image translating method and terminal with touch screen
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
JP2016535307A (ja) 2016-11-10
WO2016015402A1 (zh) 2016-02-04
RU2628236C2 (ru) 2017-08-15
MX2015002224A (es) 2016-08-30
KR101813194B1 (ko) 2017-12-28
CN104219518A (zh) 2014-12-17
CN104219518B (zh) 2018-09-18
BR112015003277A2 (pt) 2017-07-04
JP6149162B2 (ja) 2017-06-14
EP2981065A1 (en) 2016-02-03
EP2981065B1 (en) 2019-02-20
KR20160024835A (ko) 2016-03-07
RU2015105744A (ru) 2016-09-10

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