OcrV1, PascalFrancis, Curation, bibRecord, 000557

A unified framework for document restoration using inpainting and shape-from-shading

Identifieur interne : 000557 ( PascalFrancis/Curation ); précédent : 000556; suivant : 000558

A unified framework for document restoration using inpainting and shape-from-shading

Auteurs : LI ZHANG [Singapour] ; A. M. Yip [Singapour] ; M. S. Brown [Singapour] ; CHEW LIM TAN [Singapour]

Source :

Pattern recognition [ 0031-3203 ] ; 2009.

RBID : Pascal:09-0316643

Descripteurs français

Pascal (Inist)
- Topographie, Reconstruction surface, Détection forme, Ombrage, Artefact, Volume, Ombre, Evaluation performance, Reconnaissance optique caractère, Traitement image document, Restauration image, Gauchissement, Fonction base radiale, Aplatissement, Traitement image, Reconstruction image, Reconnaissance forme.

English descriptors

KwdEn :
- Artefact, Document image processing, Flattening, Image processing, Image reconstruction, Image restoration, Optical character recognition, Pattern recognition, Performance evaluation, Radial basis function, Shadow, Shadowing, Shape detection, Surface reconstruction, Topography, Volume, Warping.

Abstract

We present a restoration framework to reduce undesirable distortions in imaged documents. Our framework is based on two components: (1) an image inpainting procedure that can separate non-uniform illumination (and other) artifacts from the printed content and (2) a shape-from-shading (SfS) formulation that can reconstruct the 3D shape of the document's surface. Used either piecewise or in its entirety, this framework can correct a variety of distortions including shading, shadow, ink-bleed, show-through, perspective and geometric distortions, for both camera-imaged and flatbed-imaged documents. Our overall framework is described in detail. In addition, our SfS formulation can be easily modified to target various illumination conditions to suit different real-world applications. Results on images of synthetic and real documents demonstrate the effectiveness of our approach. OCR results are also used to gauge the performance of our approach.

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A03		`1`		`@0 Pattern recogn.`
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A08	`01`	`1`	`ENG`	`@1 A unified framework for document restoration using inpainting and shape-from-shading`
A11	`01`	`1`		`@1 LI ZHANG`
A11	`02`	`1`		`@1 YIP (A. M.)`
A11	`03`	`1`		`@1 BROWN (M. S.)`
A11	`04`	`1`		`@1 CHEW LIM TAN`
A14	`01`			`@1 School of Computing, National University of Singapore @3 SGP @Z 1 aut. @Z 3 aut. @Z 4 aut.`
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C01	`01`		`ENG`	@0 We present a restoration framework to reduce undesirable distortions in imaged documents. Our framework is based on two components: (1) an image inpainting procedure that can separate non-uniform illumination (and other) artifacts from the printed content and (2) a shape-from-shading (SfS) formulation that can reconstruct the 3D shape of the document's surface. Used either piecewise or in its entirety, this framework can correct a variety of distortions including shading, shadow, ink-bleed, show-through, perspective and geometric distortions, for both camera-imaged and flatbed-imaged documents. Our overall framework is described in detail. In addition, our SfS formulation can be easily modified to target various illumination conditions to suit different real-world applications. Results on images of synthetic and real documents demonstrate the effectiveness of our approach. OCR results are also used to gauge the performance of our approach.
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C03	`04`	`X`	`SPA`	`@0 Umbría @5 04`
C03	`05`	`X`	`FRE`	`@0 Artefact @5 05`
C03	`05`	`X`	`ENG`	`@0 Artefact @5 05`
C03	`05`	`X`	`SPA`	`@0 Artefacto @5 05`
C03	`06`	`X`	`FRE`	`@0 Volume @5 06`
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C03	`07`	`X`	`FRE`	`@0 Ombre @5 07`
C03	`07`	`X`	`ENG`	`@0 Shadow @5 07`
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C03	`09`	`X`	`FRE`	`@0 Reconnaissance optique caractère @5 09`
C03	`09`	`X`	`ENG`	`@0 Optical character recognition @5 09`
C03	`09`	`X`	`SPA`	`@0 Reconocimento óptico de caracteres @5 09`
C03	`10`	`3`	`FRE`	`@0 Traitement image document @5 10`
C03	`10`	`3`	`ENG`	`@0 Document image processing @5 10`
C03	`11`	`X`	`FRE`	`@0 Restauration image @5 11`
C03	`11`	`X`	`ENG`	`@0 Image restoration @5 11`
C03	`11`	`X`	`SPA`	`@0 Restauración imagen @5 11`
C03	`12`	`X`	`FRE`	`@0 Gauchissement @5 12`
C03	`12`	`X`	`ENG`	`@0 Warping @5 12`
C03	`12`	`X`	`SPA`	`@0 Torcimiento @5 12`
C03	`13`	`X`	`FRE`	`@0 Fonction base radiale @5 13`
C03	`13`	`X`	`ENG`	`@0 Radial basis function @5 13`
C03	`13`	`X`	`SPA`	`@0 Función radial base @5 13`
C03	`14`	`X`	`FRE`	`@0 Aplatissement @5 14`
C03	`14`	`X`	`ENG`	`@0 Flattening @5 14`
C03	`14`	`X`	`SPA`	`@0 Aplanamiento @5 14`
C03	`15`	`X`	`FRE`	`@0 Traitement image @5 31`
C03	`15`	`X`	`ENG`	`@0 Image processing @5 31`
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C03	`16`	`X`	`FRE`	`@0 Reconstruction image @5 32`
C03	`16`	`X`	`ENG`	`@0 Image reconstruction @5 32`
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C03	`17`	`X`	`SPA`	`@0 Reconocimiento patrón @5 33`
N21				`@1 229`
N44	`01`			`@1 OTO`
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Le document en format XML

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<fC01 i1="01" l="ENG"><s0>We present a restoration framework to reduce undesirable distortions in imaged documents. Our framework is based on two components: (1) an image inpainting procedure that can separate non-uniform illumination (and other) artifacts from the printed content and (2) a shape-from-shading (SfS) formulation that can reconstruct the 3D shape of the document's surface. Used either piecewise or in its entirety, this framework can correct a variety of distortions including shading, shadow, ink-bleed, show-through, perspective and geometric distortions, for both camera-imaged and flatbed-imaged documents. Our overall framework is described in detail. In addition, our SfS formulation can be easily modified to target various illumination conditions to suit different real-world applications. Results on images of synthetic and real documents demonstrate the effectiveness of our approach. OCR results are also used to gauge the performance of our approach.</s0>
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<fC03 i1="14" i2="X" l="ENG"><s0>Flattening</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Aplanamiento</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Traitement image</s0>
<s5>31</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Image processing</s0>
<s5>31</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Procesamiento imagen</s0>
<s5>31</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Reconstruction image</s0>
<s5>32</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Image reconstruction</s0>
<s5>32</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Reconstrucción imagen</s0>
<s5>32</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Reconnaissance forme</s0>
<s5>33</s5>
</fC03>
<fC03 i1="17" i2="X" l="ENG"><s0>Pattern recognition</s0>
<s5>33</s5>
</fC03>
<fC03 i1="17" i2="X" l="SPA"><s0>Reconocimiento patrón</s0>
<s5>33</s5>
</fC03>
<fN21><s1>229</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
</record>

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{{Explor lien
   |wiki=    Ticri/CIDE
   |area=    OcrV1
   |flux=    PascalFrancis
   |étape=   Curation
   |type=    RBID
   |clé=     Pascal:09-0316643
   |texte=   A unified framework for document restoration using inpainting and shape-from-shading
}}

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A unified framework for document restoration using inpainting and shape-from-shading

A unified framework for document restoration using inpainting and shape-from-shading

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Descripteurs français

English descriptors

Abstract

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