| Records |
Author  |
Oriol Ramos Terrades; Ernest Valveny |
| Title |
Local Norm Features based on ridgelets Transform |
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Miscellaneous |
| Year |
2005 |
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8th International Conference on Document Analysis and Recognition (ICDAR´05), 700–704 |
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DAG |
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no |
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DAG @ dag @ RaV2005d |
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642 |
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| Author |
Oriol Ramos Terrades; Ernest Valveny |
| Title |
Indexing Technical Symbols Using Ridgelets Transform |
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Miscellaneous |
| Year |
2004 |
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Graphics Recognition: Recent Advances and Perspectives, J. Llados, Y.B. Kwon (Eds.), Lecture Notes in Computer Science, 3088:177–187, ISBN: 3–540–22478–5 |
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Springer-Verlag |
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DAG |
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DAG @ dag @ VaD2004c |
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503 |
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| Author |
Oriol Ramos Terrades; Ernest Valveny |
| Title |
Line Detection Using Ridgelets Transform for Graphic Symbol Representation |
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Miscellaneous |
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2003 |
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In Pattern Recognition and Image Analysis, Lecture Notes in Computer Science 2652:829–837 |
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Springer-Verlag |
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DAG |
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DAG @ dag @ RaV2003a |
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403 |
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| Author |
Oriol Ramos Terrades; Ernest Valveny |
| Title |
Indexing Technical Symbols Using Ridgelets Transform |
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Miscellaneous |
| Year |
2003 |
Publication |
Proceedings of the Fifth International Workshop on Graphics Recognition (GREC´03), 202–211 |
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DAG |
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DAG @ dag @ RaV2003c |
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405 |
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| Author |
Oriol Ramos Terrades; Ernest Valveny |
| Title |
Radon Transform for Lineal Symbol Representation |
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Miscellaneous |
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2003 |
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Proceedings of the Seventh International Conference on Document Analysis and Recognition (ICDAR´03), 195–199 |
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DAG |
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no |
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DAG @ dag @ RaV2003d |
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406 |
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| Author |
Oriol Ramos Terrades; Salvatore Tabbone; Ernest Valveny |
| Title |
Combination of shape descriptors using an adaptation of boosting |
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Miscellaneous |
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2006 |
Publication |
18th International Conference on Pattern Recognition (ICPR´06), 2: 764–767 |
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Hong Kong |
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DAG |
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no |
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DAG @ dag @ RTV2006 |
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718 |
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| Author |
Oriol Ramos Terrades; Salvatore Tabbone; L. Wendling; Ernest Valveny |
| Title |
Symbol Recognition based on a Multiresolution Analysis of the Radon Transform |
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Miscellaneous |
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2004 |
Publication |
The International Workshop on Multidisciplinary Image, Video, and Audio Retrieval and Mining |
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Sherbrooke (Canada) |
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no |
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DAG @ dag @ RTW2004 |
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500 |
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| Author |
Pau Cano; Alvaro Caravaca; Debora Gil; Eva Musulen |
| Title |
Diagnosis of Helicobacter pylori using AutoEncoders for the Detection of Anomalous Staining Patterns in Immunohistochemistry Images |
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Miscellaneous |
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2023 |
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Arxiv |
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107241 |
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This work addresses the detection of Helicobacter pylori a bacterium classified since 1994 as class 1 carcinogen to humans. By its highest specificity and sensitivity, the preferred diagnosis technique is the analysis of histological images with immunohistochemical staining, a process in which certain stained antibodies bind to antigens of the biological element of interest. This analysis is a time demanding task, which is currently done by an expert pathologist that visually inspects the digitized samples.
We propose to use autoencoders to learn latent patterns of healthy tissue and detect H. pylori as an anomaly in image staining. Unlike existing classification approaches, an autoencoder is able to learn patterns in an unsupervised manner (without the need of image annotations) with high performance. In particular, our model has an overall 91% of accuracy with 86\% sensitivity, 96% specificity and 0.97 AUC in the detection of H. pylori. |
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IAM |
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Admin @ si @ CCG2023 |
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3855 |
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| Author |
Pau Riba; Andreas Fischer; Josep Llados; Alicia Fornes |
| Title |
Learning Graph Edit Distance by Graph NeuralNetworks |
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Miscellaneous |
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2020 |
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Arxiv |
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The emergence of geometric deep learning as a novel framework to deal with graph-based representations has faded away traditional approaches in favor of completely new methodologies. In this paper, we propose a new framework able to combine the advances on deep metric learning with traditional approximations of the graph edit distance. Hence, we propose an efficient graph distance based on the novel field of geometric deep learning. Our method employs a message passing neural network to capture the graph structure, and thus, leveraging this information for its use on a distance computation. The performance of the proposed graph distance is validated on two different scenarios. On the one hand, in a graph retrieval of handwritten words~\ie~keyword spotting, showing its superior performance when compared with (approximate) graph edit distance benchmarks. On the other hand, demonstrating competitive results for graph similarity learning when compared with the current state-of-the-art on a recent benchmark dataset. |
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DAG; 600.121; 600.140; 601.302 |
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Admin @ si @ RFL2020 |
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3555 |
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| Author |
Pau Riba; Sounak Dey; Ali Furkan Biten; Josep Llados |
| Title |
Localizing Infinity-shaped fishes: Sketch-guided object localization in the wild |
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Miscellaneous |
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2021 |
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Arxiv |
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This work investigates the problem of sketch-guided object localization (SGOL), where human sketches are used as queries to conduct the object localization in natural images. In this cross-modal setting, we first contribute with a tough-to-beat baseline that without any specific SGOL training is able to outperform the previous works on a fixed set of classes. The baseline is useful to analyze the performance of SGOL approaches based on available simple yet powerful methods. We advance prior arts by proposing a sketch-conditioned DETR (DEtection TRansformer) architecture which avoids a hard classification and alleviates the domain gap between sketches and images to localize object instances. Although the main goal of SGOL is focused on object detection, we explored its natural extension to sketch-guided instance segmentation. This novel task allows to move towards identifying the objects at pixel level, which is of key importance in several applications. We experimentally demonstrate that our model and its variants significantly advance over previous state-of-the-art results. All training and testing code of our model will be released to facilitate future researchhttps://github.com/priba/sgol_wild. |
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DAG; 600.121 |
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Admin @ si @ RDB2021 |
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3674 |
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| Author |
Petia Radeva |
| Title |
On the Role of Intravascular Ultrasound Image Analysis |
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Miscellaneous |
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2003 |
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Angiography and Plaque Imaging: Advanced Segmentation Techniques, CRC, pp.397–450, ISBN: 0849317401 |
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MILAB |
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BCNPCL @ bcnpcl @ Rad2003 |
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402 |
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| Author |
Petia Radeva |
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A Rule-Based Approach to Hand X-Ray image Segmentation. |
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1993 |
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BCNPCL @ bcnpcl @ Rad1993a |
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171 |
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Petia Radeva |
| Title |
Segmentacion de Imagenes Radiograficas con Snakes. Aplicacion a la Determinacion de la Madurez Osea. |
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1993 |
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Master Thesis, UPPIA, Universitat Autonoma de Barcelona. |
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BCNPCL @ bcnpcl @ Rad1993b |
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173 |
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Petia Radeva; A.F. Sole; Antonio Lopez; Joan Serrat |
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Detecting Nets of Linear Structures in Satellite Images. |
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1999 |
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Machine Vision and Advanced Image Processing in Remote Sensing, Springer, 304–316. |
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ADAS;MILAB |
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ADAS @ adas @ RSL1999 |
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34 |
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Petia Radeva; A.F. Sole; Antonio Lopez; Joan Serrat |
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Detecting Nets of Linear Structures in Satellite Images. |
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1998 |
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ADAS @ adas @ RSL1998 |
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25 |
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