BR112014032942A2 - método e dispositivo para segmentação de imagens - Google Patents

método e dispositivo para segmentação de imagens

Info

Publication number
BR112014032942A2
BR112014032942A2 BR112014032942A BR112014032942A BR112014032942A2 BR 112014032942 A2 BR112014032942 A2 BR 112014032942A2 BR 112014032942 A BR112014032942 A BR 112014032942A BR 112014032942 A BR112014032942 A BR 112014032942A BR 112014032942 A2 BR112014032942 A2 BR 112014032942A2
Authority
BR
Brazil
Prior art keywords
foreground
background
model
image
classification
Prior art date
Application number
BR112014032942A
Other languages
English (en)
Inventor
Wang Lin
Qin Qiuping
Chen Zhijun
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 BR112014032942A2 publication Critical patent/BR112014032942A2/pt

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
    • G06T7/162—Segmentation; Edge detection involving graph-based methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/194—Segmentation; Edge detection involving foreground-background segmentation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2624—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of whole input images, e.g. splitscreen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2625—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of images from a temporal image sequence, e.g. for a stroboscopic effect
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2625—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of images from a temporal image sequence, e.g. for a stroboscopic effect
    • H04N5/2627—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of images from a temporal image sequence, e.g. for a stroboscopic effect for providing spin image effect, 3D stop motion effect or temporal freeze effect
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
    • 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
    • G06T2207/20076—Probabilistic image processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
  • Character Input (AREA)
  • Image Processing (AREA)

Abstract

resumo “método e dispositivo para segmentação de imagens” a presente divulgação descreve um método de segmentação de imagem e dispositivo, pertencente à área de processamento de imagem. o método de segmentação de imagem é composto por: um modelo de saliência de uma imagem está estabelecido; um ponto de amostragem do primeiro plano e um ponto de amostra de fundo de uma imagem são adquiridos de acordo com o modelo de saliência; um modelo de classificação de primeiro plano e fundo é estabelecida de acordo com o modelo de saliência, bem como o ponto de amostragem de primeiro plano e o ponto de amostragem de fundo; a imagem é segmentada de acordo com um algoritmo de corte gráfico predefinido, e, especificamente, a imagem é segmentada de acordo com o algoritmo de corte gráfico predefinido usando as informações do primeiro plano e fundo modelo de classificação e borda quanto à pixels. um modelo de primeiro plano e fundo de classificação é estabelecida por meio da determinação automaticamente um ponto de amostra de primeiro plano e um ponto de amostragem de fundo e pela combinação de um modelo de saliência, e segmentação de imagens é conseguido usando o modelo de plano de fundo e classificação; tal problema nas tecnologias relacionadas é resolvido que um usuário precisa manualmente e cerca de selecionar o ponto de amostra de primeiro plano e o ponto de amostragem de fundo e, assim, a eficiência da segmentação é baixa para segmentar um grande número de imagens; seleção automática de amostras é realizada e a precisão da classificação é melhorada.
BR112014032942A 2014-05-05 2014-10-23 método e dispositivo para segmentação de imagens BR112014032942A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410187226.7A CN103996189B (zh) 2014-05-05 2014-05-05 图像分割方法及装置
PCT/CN2014/089297 WO2015169061A1 (zh) 2014-05-05 2014-10-23 图像分割方法及装置

Publications (1)

Publication Number Publication Date
BR112014032942A2 true BR112014032942A2 (pt) 2017-06-27

Family

ID=51310345

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014032942A BR112014032942A2 (pt) 2014-05-05 2014-10-23 método e dispositivo para segmentação de imagens

Country Status (8)

Country Link
EP (1) EP2942753B1 (pt)
JP (1) JP6125099B2 (pt)
KR (1) KR101670004B1 (pt)
CN (1) CN103996189B (pt)
BR (1) BR112014032942A2 (pt)
MX (1) MX358601B (pt)
RU (1) RU2596580C2 (pt)
WO (1) WO2015169061A1 (pt)

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CN108764325B (zh) * 2018-05-23 2022-07-08 腾讯科技（深圳）有限公司 图像识别方法、装置、计算机设备和存储介质
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Also Published As

Publication number Publication date
EP2942753A1 (en) 2015-11-11
WO2015169061A1 (zh) 2015-11-12
KR101670004B1 (ko) 2016-10-27
JP2016522951A (ja) 2016-08-04
KR20160009477A (ko) 2016-01-26
JP6125099B2 (ja) 2017-05-10
RU2014153987A (ru) 2016-07-20
MX358601B (es) 2018-08-27
MX2014015363A (es) 2016-02-19
CN103996189A (zh) 2014-08-20
CN103996189B (zh) 2017-10-03
RU2596580C2 (ru) 2016-09-10
EP2942753B1 (en) 2018-07-18

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