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Mohamed Ali Souibgui, Pau Torras, Jialuo Chen and Alicia Fornes. 2023. An Evaluation of Handwritten Text Recognition Methods for Historical Ciphered Manuscripts. 7th International Workshop on Historical Document Imaging and Processing.7–12.
Abstract: This paper investigates the effectiveness of different deep learning HTR families, including LSTM, Seq2Seq, and transformer-based approaches with self-supervised pretraining, in recognizing ciphered manuscripts from different historical periods and cultures. The goal is to identify the most suitable method or training techniques for recognizing ciphered manuscripts and to provide insights into the challenges and opportunities in this field of research. We evaluate the performance of these models on several datasets of ciphered manuscripts and discuss their results. This study contributes to the development of more accurate and efficient methods for recognizing historical manuscripts for the preservation and dissemination of our cultural heritage.
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Gemma Sanchez, Josep Llados and K. Tombre. 2001. An Error-Correction Graph Grammar to Recognize Textured Symbols..
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Josep Llados, Gemma Sanchez and K. Tombre. 2002. An Error-Correction Graph Grammar to Recognize Texture Symbols..
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Anjan Dutta, Umapada Pal, Alicia Fornes and Josep Llados. 2010. An Efficient Staff Removal Technique from Printed Musical Documents. 20th International Conference on Pattern Recognition.1965–1968.
Abstract: Staff removal is an important preprocessing step of the Optical Music Recognition (OMR). The process aims to remove the stafflines from a musical document and retain only the musical symbols, later these symbols are used effectively to identify the music information. This paper proposes a simple but robust method to remove stafflines from printed musical scores. In the proposed methodology we have considered a staffline segment as a horizontal linkage of vertical black runs with uniform height. We have used the neighbouring properties of a staffline segment to validate it as a true segment. We have considered the dataset along with the deformations described in for evaluation purpose. From experimentation we have got encouraging results.
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Miquel Ferrer, Ernest Valveny, F. Serratosa, K. Riesen and Horst Bunke. 2008. An Approximate Algorith for Median Graph Computation using Graph Embedding. 19th International Conference on Pattern Recognition..
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Gemma Sanchez, Josep Llados and K. Tombre. 2001. An Algorithm to Recognize Graphical Textured Symbols using String Representations..
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Joan Mas, Gemma Sanchez and Josep Llados. 2005. An Adjacency Grammar to Recognize Symbols and Gestures in a Digital Pen Framework. Pattern Recognition and Image Analysis (IbPRIA 2005), LNCS 3523: 115–122.
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Christophe Rigaud, Dimosthenis Karatzas, Joost Van de Weijer, Jean-Christophe Burie and Jean-Marc Ogier. 2013. An active contour model for speech balloon detection in comics. 12th International Conference on Document Analysis and Recognition.1240–1244.
Abstract: Comic books constitute an important cultural heritage asset in many countries. Digitization combined with subsequent comic book understanding would enable a variety of new applications, including content-based retrieval and content retargeting. Document understanding in this domain is challenging as comics are semi-structured documents, combining semantically important graphical and textual parts. Few studies have been done in this direction. In this work we detail a novel approach for closed and non-closed speech balloon localization in scanned comic book pages, an essential step towards a fully automatic comic book understanding. The approach is compared with existing methods for closed balloon localization found in the literature and results are presented.
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Sounak Dey, Anjan Dutta, Suman Ghosh, Ernest Valveny and Josep Llados. 2018. Aligning Salient Objects to Queries: A Multi-modal and Multi-object Image Retrieval Framework. 14th Asian Conference on Computer Vision.
Abstract: In this paper we propose an approach for multi-modal image retrieval in multi-labelled images. A multi-modal deep network architecture is formulated to jointly model sketches and text as input query modalities into a common embedding space, which is then further aligned with the image feature space. Our architecture also relies on a salient object detection through a supervised LSTM-based visual attention model learned from convolutional features. Both the alignment between the queries and the image and the supervision of the attention on the images are obtained by generalizing the Hungarian Algorithm using different loss functions. This permits encoding the object-based features and its alignment with the query irrespective of the availability of the co-occurrence of different objects in the training set. We validate the performance of our approach on standard single/multi-object datasets, showing state-of-the art performance in every dataset.
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J.Kuhn and 10 others. 2015. Advancing Physics Learning Through Traversing a Multi-Modal Experimentation Space. Workshop Proceedings on the 11th International Conference on Intelligent Environments.373–380.
Abstract: Translating conceptual knowledge into real world experiences presents a significant educational challenge. This position paper presents an approach that supports learners in moving seamlessly between conceptual learning and their application in the real world by bringing physical and virtual experiments into everyday settings. Learners are empowered in conducting these situated experiments in a variety of physical settings by leveraging state of the art mobile, augmented reality, and virtual reality technology. A blend of mobile-based multi-sensory physical experiments, augmented reality and enabling virtual environments can allow learners to bridge their conceptual learning with tangible experiences in a completely novel manner. This approach focuses on the learner by applying self-regulated personalised learning techniques, underpinned by innovative pedagogical approaches and adaptation techniques, to ensure that the needs and preferences of each learner are catered for individually.
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