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	Author	Marçal Rusiñol; Dimosthenis Karatzas; Josep Llados
	Title	Spotting Graphical Symbols in Camera-Acquired Documents in Real Time			Type	Conference Article
	Year	2013	Publication	10th IAPR International Workshop on Graphics Recognition	Abbreviated Journal
	Volume		Issue		Pages
	Keywords
	Abstract	In this paper we present a system devoted to spot graphical symbols in camera-acquired document images. The system is based on the extraction and further matching of ORB compact local features computed over interest key-points. Then, the FLANN indexing framework based on approximate nearest neighbor search allows to efficiently match local descriptors between the captured scene and the graphical models. Finally, the RANSAC algorithm is used in order to compute the homography between the spotted symbol and its appearance in the document image. The proposed approach is efficient and is able to work in real time.
	Address	Bethlehem; PA; USA; August 2013
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference	GREC
	Notes	DAG; 600.045; 600.055; 600.061; 602.101			Approved	no
	Call Number	Admin @ si @ RKL2013			Serial	2347
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	Author	Marçal Rusiñol; Dimosthenis Karatzas; Josep Llados
	Title	Spotting Graphical Symbols in Camera-Acquired Documents in Real Time			Type	Book Chapter
	Year	2014	Publication	Graphics Recognition. Current Trends and Challenges	Abbreviated Journal
	Volume	8746	Issue		Pages	3-10
	Keywords
	Abstract	In this paper we present a system devoted to spot graphical symbols in camera-acquired document images. The system is based on the extraction and further matching of ORB compact local features computed over interest key-points. Then, the FLANN indexing framework based on approximate nearest neighbor search allows to efficiently match local descriptors between the captured scene and the graphical models. Finally, the RANSAC algorithm is used in order to compute the homography between the spotted symbol and its appearance in the document image. The proposed approach is efficient and is able to work in real time.
	Address
	Corporate Author				Thesis
	Publisher	Springer Berlin Heidelberg	Place of Publication		Editor	Bart Lamiroy; Jean-Marc Ogier
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title	LNCS
	Series Volume		Series Issue		Edition
	ISSN	0302-9743	ISBN	978-3-662-44853-3	Medium
	Area		Expedition		Conference
	Notes	DAG; 600.045; 600.055; 600.061; 600.077			Approved	no
	Call Number	Admin @ si @ RKL2014			Serial	2700
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	Author	Marçal Rusiñol; Dimosthenis Karatzas; Josep Llados
	Title	Automatic Verification of Properly Signed Multi-page Document Images			Type	Conference Article
	Year	2015	Publication	Proceedings of the Eleventh International Symposium on Visual Computing	Abbreviated Journal
	Volume	9475	Issue		Pages	327-336
	Keywords	Document Image; Manual Inspection; Signature Verification; Rejection Criterion; Document Flow
	Abstract	In this paper we present an industrial application for the automatic screening of incoming multi-page documents in a banking workflow aimed at determining whether these documents are properly signed or not. The proposed method is divided in three main steps. First individual pages are classified in order to identify the pages that should contain a signature. In a second step, we segment within those key pages the location where the signatures should appear. The last step checks whether the signatures are present or not. Our method is tested in a real large-scale environment and we report the results when checking two different types of real multi-page contracts, having in total more than 14,500 pages.
	Address	Las Vegas, Nevada, USA; December 2015
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title	LNCS
	Series Volume	9475	Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference	ISVC
	Notes	DAG; 600.077			Approved	no
	Call Number	Admin @ si @			Serial	3189
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