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In mathematical morphology, opening is the dilation of the erosion of a set A by a structuring element B: where and denote erosion and dilation, respectively. Together with closing, the opening serves in computer vision and image processing as a basic workhorse of morphological noise removal. Opening removes small objects from the foreground (usually taken as the bright pixels) of an image, placing them in the background, while closing removes small holes in the foreground, changing small islands of background into foreground. These techniques can also be used to find specific shapes in an image. Opening can be used to find things into which a specific structuring element can fit (edges, corners, ...).

AttributesValues
rdfs:label
  • Opening (Bildverarbeitung) (de)
  • Pembukaan (morfologi) (in)
  • Apertura (morfologia) (it)
  • 열기 (형태학) (ko)
  • Opening (morphology) (en)
  • 开运算 (形态学) (zh)
rdfs:comment
  • Opening (im deutschen auch Öffnen bzw. Öffnung) ist eine morphologische Basis-Operation in der digitalen Bildverarbeitung. Das Öffnen dient u. a. der Unterdrückung lokaler Störungen durch helle Bildpunkte oder dem Ausfiltern kleiner Strukturen. Die zum Öffnen duale Operation ist das Schließen. (de)
  • In morfologia matematica, l'apertura di un insieme di (immagine binaria) A da un elemento strutturale B corrisponde alla dell' di quell'insieme, dove e sono le operazioni di erosione e dilatazione, rispettivamente. Nell'Elaborazione digitale delle immagini, la chiusura è, insieme all'apertura, un segnale basico di rimozione morfologico. L'apertura rimuove piccoli oggetti, mentre la chiusura rimuove piccoli buchi. (it)
  • 수학적 형태학에서 열기는 집합 A를 구조적 요소 B로 침식하고 팽창한 것이다: 이 때, 와 는 각각 침식과 팽창을 의미한다. 닫기와 같이, 열기는 컴퓨터 비전과 화상 처리에서 형태학적 잡음 제거의 기본 연산이다. 열기는 이미지의 전경의 작은 물체(보통 밝은 픽셀)를 제거하고, 닫기는 배경의 작은 섬을 전경으로 바꿔서 전경의 작은 구멍을 제거한다. 이 기술은 이미지에서 특정한 모양을 찾을 때 사용될 수 있다. 열기는 특정한 구조적 요소가 맞을 수 있는(변, 꼭짓점, ...) 무언가를 찾을 때를 사용할 수 있다. B가 A의 내부를 쓸고 다녀서 경계를 확장하지 않고 A의 경계를 요소의 경계로 만드는 것으로 생각할 수 있다. (ko)
  • 在数学形态学中,开运算 被定义为先腐蚀后膨胀。 其中 和 分别表示腐蚀和膨胀。 开运算和闭运算在计算机视觉和图像处理领域中是基本的形态学噪点消除模块。 (zh)
  • In mathematical morphology, opening is the dilation of the erosion of a set A by a structuring element B: where and denote erosion and dilation, respectively. Together with closing, the opening serves in computer vision and image processing as a basic workhorse of morphological noise removal. Opening removes small objects from the foreground (usually taken as the bright pixels) of an image, placing them in the background, while closing removes small holes in the foreground, changing small islands of background into foreground. These techniques can also be used to find specific shapes in an image. Opening can be used to find things into which a specific structuring element can fit (edges, corners, ...). (en)
  • Pembukaan (biasa disimbolkan dengan ) adalah operasi erosi yang diikuti dilasi terhadap himpunan A oleh B: dengan adalah erosi dan adalah dilasi. Dengan penutupan, operasi pembukaan dipakai dalam penglihatan komputer dan pengolahan citra digital sebagai operasi dasar dalam penghilangan derau morfologis. Pembukaan membuang objek kecil pada latar depan citra, sedangkan penutupan membuang lubang kecil pada latar depan citra. Teknik ini juga dapat dipakai untuk mencari bentuk tertentu pada citra. Pembukaan dapat dipakai untuk mencari benda yang cocok dengan elemen penyusun (tepian, sudut, dan lain-lain). (in)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Opening_marker.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Opening_original.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Opening_reconstruct.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Opening.png
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  • center (en)
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  • Marker image (en)
  • Result of opening by reconstruction (en)
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  • Opening marker.jpg (en)
  • Opening reconstruct.jpg (en)
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has abstract
  • Opening (im deutschen auch Öffnen bzw. Öffnung) ist eine morphologische Basis-Operation in der digitalen Bildverarbeitung. Das Öffnen dient u. a. der Unterdrückung lokaler Störungen durch helle Bildpunkte oder dem Ausfiltern kleiner Strukturen. Die zum Öffnen duale Operation ist das Schließen. (de)
  • In mathematical morphology, opening is the dilation of the erosion of a set A by a structuring element B: where and denote erosion and dilation, respectively. Together with closing, the opening serves in computer vision and image processing as a basic workhorse of morphological noise removal. Opening removes small objects from the foreground (usually taken as the bright pixels) of an image, placing them in the background, while closing removes small holes in the foreground, changing small islands of background into foreground. These techniques can also be used to find specific shapes in an image. Opening can be used to find things into which a specific structuring element can fit (edges, corners, ...). One can think of B sweeping around the inside of the boundary of A, so that it does not extend beyond the boundary, and shaping the A boundary around the boundary of the element. (en)
  • Pembukaan (biasa disimbolkan dengan ) adalah operasi erosi yang diikuti dilasi terhadap himpunan A oleh B: dengan adalah erosi dan adalah dilasi. Dengan penutupan, operasi pembukaan dipakai dalam penglihatan komputer dan pengolahan citra digital sebagai operasi dasar dalam penghilangan derau morfologis. Pembukaan membuang objek kecil pada latar depan citra, sedangkan penutupan membuang lubang kecil pada latar depan citra. Teknik ini juga dapat dipakai untuk mencari bentuk tertentu pada citra. Pembukaan dapat dipakai untuk mencari benda yang cocok dengan elemen penyusun (tepian, sudut, dan lain-lain). Contoh penggunaan: Misalkan ada tulisan pada kertas yang kurang menyerap sehingga tulisannya seperti memiliki rambut. Pembukaan ini menghilangkan rambut-rambut kecil itu. Efek sampingnya adalah semua bentuk menjadi tumpul. Sudut-sudut yang tajam mulai menghilang. (in)
  • In morfologia matematica, l'apertura di un insieme di (immagine binaria) A da un elemento strutturale B corrisponde alla dell' di quell'insieme, dove e sono le operazioni di erosione e dilatazione, rispettivamente. Nell'Elaborazione digitale delle immagini, la chiusura è, insieme all'apertura, un segnale basico di rimozione morfologico. L'apertura rimuove piccoli oggetti, mentre la chiusura rimuove piccoli buchi. (it)
  • 수학적 형태학에서 열기는 집합 A를 구조적 요소 B로 침식하고 팽창한 것이다: 이 때, 와 는 각각 침식과 팽창을 의미한다. 닫기와 같이, 열기는 컴퓨터 비전과 화상 처리에서 형태학적 잡음 제거의 기본 연산이다. 열기는 이미지의 전경의 작은 물체(보통 밝은 픽셀)를 제거하고, 닫기는 배경의 작은 섬을 전경으로 바꿔서 전경의 작은 구멍을 제거한다. 이 기술은 이미지에서 특정한 모양을 찾을 때 사용될 수 있다. 열기는 특정한 구조적 요소가 맞을 수 있는(변, 꼭짓점, ...) 무언가를 찾을 때를 사용할 수 있다. B가 A의 내부를 쓸고 다녀서 경계를 확장하지 않고 A의 경계를 요소의 경계로 만드는 것으로 생각할 수 있다. (ko)
  • 在数学形态学中,开运算 被定义为先腐蚀后膨胀。 其中 和 分别表示腐蚀和膨胀。 开运算和闭运算在计算机视觉和图像处理领域中是基本的形态学噪点消除模块。 (zh)
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