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Author |
Alicia Fornes; Josep Llados; Gemma Sanchez; Horst Bunke |
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Title |
On the use of textural features for writer identification in old handwritten music scores |
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Conference Article |
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Year |
2009 |
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10th International Conference on Document Analysis and Recognition |
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996 - 1000 |
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Abstract |
Writer identification consists in determining the writer of a piece of handwriting from a set of writers. In this paper we present a system for writer identification in old handwritten music scores which uses only music notation to determine the author. The steps of the proposed system are the following. First of all, the music sheet is preprocessed for obtaining a music score without the staff lines. Afterwards, four different methods for generating texture images from music symbols are applied. Every approach uses a different spatial variation when combining the music symbols to generate the textures. Finally, Gabor filters and Grey-scale Co-ocurrence matrices are used to obtain the features. The classification is performed using a k-NN classifier based on Euclidean distance. The proposed method has been tested on a database of old music scores from the 17th to 19th centuries, achieving encouraging identification rates. |
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Barcelona |
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1520-5363 |
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978-1-4244-4500-4 |
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ICDAR |
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DAG |
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DAG @ dag @ FLS2009b |
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1223 |
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Author |
Alicia Fornes; Josep Llados; Gemma Sanchez; Dimosthenis Karatzas |
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Title |
Rotation Invariant Hand-Drawn Symbol Recognition based on a Dynamic Time Warping Model |
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Journal Article |
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Year |
2010 |
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International Journal on Document Analysis and Recognition |
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IJDAR |
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13 |
Issue |
3 |
Pages |
229–241 |
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Abstract |
One of the major difficulties of handwriting symbol recognition is the high variability among symbols because of the different writer styles. In this paper, we introduce a robust approach for describing and recognizing hand-drawn symbols tolerant to these writer style differences. This method, which is invariant to scale and rotation, is based on the dynamic time warping (DTW) algorithm. The symbols are described by vector sequences, a variation of the DTW distance is used for computing the matching distance, and K-Nearest Neighbor is used to classify them. Our approach has been evaluated in two benchmarking scenarios consisting of hand-drawn symbols. Compared with state-of-the-art methods for symbol recognition, our method shows higher tolerance to the irregular deformations induced by hand-drawn strokes. |
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Springer-Verlag |
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1433-2833 |
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DAG; IF 2009: 1,213 |
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DAG @ dag @ FLS2010a |
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1288 |
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Author |
Alicia Fornes; Josep Llados |
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Title |
A Symbol-dependent Writer Identifcation Approach in Old Handwritten Music Scores |
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Conference Article |
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Year |
2010 |
Publication |
12th International Conference on Frontiers in Handwriting Recognition |
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634 - 639 |
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Writer identification consists in determining the writer of a piece of handwriting from a set of writers. In this paper we introduce a symbol-dependent approach for identifying the writer of old music scores, which is based on two symbol recognition methods. The main idea is to use the Blurred Shape Model descriptor and a DTW-based method for detecting, recognizing and describing the music clefs and notes. The proposed approach has been evaluated in a database of old music scores, achieving very high writer identification rates. |
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Kolkata (India) |
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978-1-4244-8353-2 |
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ICFHR |
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DAG @ dag @ FoL2010 |
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1321 |
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Author |
Miquel Ferrer; F. Serratosa; Ernest Valveny |
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Title |
On the Relation Between the Median Graph and the Maximum Common Subgraph of a Set of Graphs |
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2007 |
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Alicante (Spain) |
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DAG @ dag @ FSV2007 |
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790 |
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Author |
Miquel Ferrer; Ernest Valveny; F. Serratosa |
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Title |
Spectral Median Graphs Applied to Graphical Symbol Recognition |
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Book Chapter |
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2006 |
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11th Iberoamerican Congress on Pattern Recognition (CIARP´06), J.P. Martinez–Trinidad et al. (Eds.), LNCS 4225: 774–783 |
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Cancun (Mexico) |
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DAG @ dag @ FVS2006b |
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698 |
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Author |
Miquel Ferrer; Ernest Valveny; F. Serratosa |
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Title |
Bounding the Size Of the Median Graph |
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Book Chapter |
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Year |
2007 |
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3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4478(2):491–498 |
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Girona (Spain) |
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DAG @ dag @ FVS2007a |
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788 |
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Author |
Miquel Ferrer; Ernest Valveny; F. Serratosa |
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Title |
Comparison Between two Spectral-based Methods for Median Graph Computation |
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Book Chapter |
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2007 |
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3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4478(2):580–587 |
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Girona (Spain) |
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DAG @ dag @ FVS2007b |
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789 |
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Author |
Miquel Ferrer; Ernest Valveny; F. Serratosa |
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Title |
A New Optimal Algorithm for the Generalized Median Graph Computation Based on the Maximum Common Subgraph |
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2007 |
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CVC Technical Report #109 |
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Bellaterra (Sapin) |
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DAG @ dag @ FVS2007c |
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839 |
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Author |
Miquel Ferrer; Ernest Valveny; F. Serratosa; K. Riesen; Horst Bunke |
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Title |
An Approximate Algorith for Median Graph Computation using Graph Embedding |
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Conference Article |
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2008 |
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19th International Conference on Pattern Recognition. |
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Tampa, USA |
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ICPR |
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DAG @ dag @ FVS2008a |
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1064 |
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Author |
Miquel Ferrer; Ernest Valveny; F. Serratosa; Horst Bunke |
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Title |
Exact Median Graph Computation via Graph Embedding |
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2008 |
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12th International Workshop on Structural and Syntactic Pattern Recognition |
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5324 |
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15–24 |
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Orlando – Florida (USA) |
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SSPR |
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DAG @ dag @ FVS2008b |
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1076 |
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