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Author Spyridon Bakas; Mauricio Reyes; Andras Jakab; Stefan Bauer; Markus Rempfler; Alessandro Crimi; Russell Takeshi Shinohara; Christoph Berger; Sung Min Ha; Martin Rozycki; Marcel Prastawa; Esther Alberts; Jana Lipkova; John Freymann; Justin Kirby; Michel Bilello; Hassan Fathallah-Shaykh; Roland Wiest; Jan Kirschke; Benedikt Wiestler; Rivka Colen; Aikaterini Kotrotsou; Pamela Lamontagne; Daniel Marcus; Mikhail Milchenko; Arash Nazeri; Marc-Andre Weber; Abhishek Mahajan; Ujjwal Baid; Dongjin Kwon; Manu Agarwal; Mahbubul Alam; Alberto Albiol; Antonio Albiol; Varghese Alex; Tuan Anh Tran; Tal Arbel; Aaron Avery; Subhashis Banerjee; Thomas Batchelder; Kayhan Batmanghelich; Enzo Battistella; Martin Bendszus; Eze Benson; Jose Bernal; George Biros; Mariano Cabezas; Siddhartha Chandra; Yi-Ju Chang; Joseph Chazalon; Shengcong Chen; Wei Chen; Jefferson Chen; Kun Cheng; Meinel Christoph; Roger Chylla; Albert Clérigues; Anthony Costa; Xiaomeng Cui; Zhenzhen Dai; Lutao Dai; Eric Deutsch; Changxing Ding; Chao Dong; Wojciech Dudzik; Theo Estienne; Hyung Eun Shin; Richard Everson; Jonathan Fabrizio; Longwei Fang; Xue Feng; Lucas Fidon; Naomi Fridman; Huan Fu; David Fuentes; David G Gering; Yaozong Gao; Evan Gates; Amir Gholami; Mingming Gong; Sandra Gonzalez-Villa; J Gregory Pauloski; Yuanfang Guan; Sheng Guo; Sudeep Gupta; Meenakshi H Thakur; Klaus H Maier-Hein; Woo-Sup Han; Huiguang He; Aura Hernandez-Sabate; Evelyn Herrmann; Naveen Himthani; Winston Hsu; Cheyu Hsu; Xiaojun Hu; Xiaobin Hu; Yan Hu; Yifan Hu; Rui Hua edit  openurl
  Title (down) Identifying the best machine learning algorithms for brain tumor segmentation, progression assessment, and overall survival prediction in the BRATS challenge Type Miscellaneous
  Year 2018 Publication Arxiv Abbreviated Journal  
  Volume Issue Pages  
  Keywords BraTS; challenge; brain; tumor; segmentation; machine learning; glioma; glioblastoma; radiomics; survival; progression; RECIST  
  Abstract Gliomas are the most common primary brain malignancies, with different degrees of aggressiveness, variable prognosis and various heterogeneous histologic sub-regions, i.e., peritumoral edematous/invaded tissue, necrotic core, active and non-enhancing core. This intrinsic heterogeneity is also portrayed in their radio-phenotype, as their sub-regions are depicted by varying intensity profiles disseminated across multiparametric magnetic resonance imaging (mpMRI) scans, reflecting varying biological properties. Their heterogeneous shape, extent, and location are some of the factors that make these tumors difficult to resect, and in some cases inoperable. The amount of resected tumor is a factor also considered in longitudinal scans, when evaluating the apparent tumor for potential diagnosis of progression. Furthermore, there is mounting evidence that accurate segmentation of the various tumor sub-regions can offer the basis for quantitative image analysis towards prediction of patient overall survival. This study assesses the state-of-the-art machine learning (ML) methods used for brain tumor image analysis in mpMRI scans, during the last seven instances of the International Brain Tumor Segmentation (BraTS) challenge, i.e. 2012-2018. Specifically, we focus on i) evaluating segmentations of the various glioma sub-regions in preoperative mpMRI scans, ii) assessing potential tumor progression by virtue of longitudinal growth of tumor sub-regions, beyond use of the RECIST criteria, and iii) predicting the overall survival from pre-operative mpMRI scans of patients that undergone gross total resection. Finally, we investigate the challenge of identifying the best ML algorithms for each of these tasks, considering that apart from being diverse on each instance of the challenge, the multi-institutional mpMRI BraTS dataset has also been a continuously evolving/growing dataset.  
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  Notes ADAS; 600.118 Approved no  
  Call Number Admin @ si @ BRJ2018 Serial 3252  
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Author J.R. Serra; A. Martinez; Jordi Vitria; J.B. Subirana edit  openurl
  Title (down) Iconic Representation to Image Retrieval. Type Miscellaneous
  Year 1997 Publication Jornades d'Intel.ligència Artificial: Noves Tendències (JIA'97) Abbreviated Journal  
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  Address Lleida  
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  Notes DOC;OR;MV Approved no  
  Call Number BCNPCL @ bcnpcl @ SMV1997 Serial 55  
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Author Josep Llados; Felipe Lumbreras; V. Chapaprieta; J. Queralt edit  openurl
  Title (down) ICAR: Identity Card Automatic Reader. Type Miscellaneous
  Year 2001 Publication Sixth International Conference on Document Analysis and Recognition Abbreviated Journal ICDAR 2001  
  Volume Issue Pages 470–474  
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  Address USA  
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  Area Expedition Conference  
  Notes ADAS;DAG Approved no  
  Call Number ADAS @ adas @ LLC2001 Serial 112  
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Author Jordi Gonzalez; Javier Varona; Xavier Roca; Juan J. Villanueva edit  openurl
  Title (down) Human Sequence Evaluation: towards Knowledge-based Scene Interpretations Type Miscellaneous
  Year 2003 Publication Frontiers in Artificial Intelligence and Applications 100, 168–177 Abbreviated Journal  
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  Notes ISE Approved no  
  Call Number ISE @ ise @ GVR2003d Serial 390  
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Author Jordi Gonzalez; Javier Varona; Xavier Roca; Juan J. Villanueva edit  openurl
  Title (down) Human Activity Learning and Recognition from Appearance. Type Miscellaneous
  Year 2001 Publication World Multiconference on Systemics, Cybernetics and Informatics SCI 2001, XIII:463–466 Abbreviated Journal  
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  Address USA  
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  Notes ISE Approved no  
  Call Number ISE @ ise @ GVR2001 Serial 108  
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Author Alejandro Cartas; Jordi Luque; Petia Radeva; Carlos Segura; Mariella Dimiccoli edit  url
openurl 
  Title (down) How Much Does Audio Matter to Recognize Egocentric Object Interactions? Type Miscellaneous
  Year 2019 Publication Arxiv Abbreviated Journal  
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  Abstract CoRR abs/1906.00634
Sounds are an important source of information on our daily interactions with objects. For instance, a significant amount of people can discern the temperature of water that it is being poured just by using the sense of hearing. However, only a few works have explored the use of audio for the classification of object interactions in conjunction with vision or as single modality. In this preliminary work, we propose an audio model for egocentric action recognition and explore its usefulness on the parts of the problem (noun, verb, and action classification). Our model achieves a competitive result in terms of verb classification (34.26% accuracy) on a standard benchmark with respect to vision-based state of the art systems, using a comparatively lighter architecture.
 
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  Notes MILAB; no menciona Approved no  
  Call Number Admin @ si @ CLR2019 Serial 3383  
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Author Agnes Borras edit  openurl
  Title (down) High-Level Clothes Description Based on Colour-Texture Features. Type Miscellaneous
  Year 2002 Publication Director: J. Llados, Master Thesis. Abbreviated Journal  
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  Notes Approved no  
  Call Number DAG @ dag @ Bor2002 Serial 322  
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Author V. Chapaprieta; Ernest Valveny edit  openurl
  Title (down) Handwritten Digit Recognition Using Point Distribution Models. Type Miscellaneous
  Year 2001 Publication Proceedings of the IX Spanish Symposium on Pattern Recognition and Image Analysis, 1:49–54. Abbreviated Journal  
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  Notes DAG Approved no  
  Call Number DAG @ dag @ ChV2001 Serial 83  
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Author Ayan Banerjee; Sanket Biswas; Josep Llados; Umapada Pal edit   pdf
url  openurl
  Title (down) GraphKD: Exploring Knowledge Distillation Towards Document Object Detection with Structured Graph Creation Type Miscellaneous
  Year 2024 Publication Arxiv Abbreviated Journal  
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  Abstract Object detection in documents is a key step to automate the structural elements identification process in a digital or scanned document through understanding the hierarchical structure and relationships between different elements. Large and complex models, while achieving high accuracy, can be computationally expensive and memory-intensive, making them impractical for deployment on resource constrained devices. Knowledge distillation allows us to create small and more efficient models that retain much of the performance of their larger counterparts. Here we present a graph-based knowledge distillation framework to correctly identify and localize the document objects in a document image. Here, we design a structured graph with nodes containing proposal-level features and edges representing the relationship between the different proposal regions. Also, to reduce text bias an adaptive node sampling strategy is designed to prune the weight distribution and put more weightage on non-text nodes. We encode the complete graph as a knowledge representation and transfer it from the teacher to the student through the proposed distillation loss by effectively capturing both local and global information concurrently. Extensive experimentation on competitive benchmarks demonstrates that the proposed framework outperforms the current state-of-the-art approaches. The code will be available at: this https URL.  
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  Notes DAG Approved no  
  Call Number Admin @ si @ BBL2024b Serial 4023  
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Author Josep Llados; Young-Bin Kwon edit  openurl
  Title (down) Graphics Recognition. Recent Advances and Perspectives Type Miscellaneous
  Year 2004 Publication LNCS 3080, ISBN: 3–540–22478–5 Abbreviated Journal  
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  Address Springer-Verlag  
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  Notes DAG Approved no  
  Call Number DAG @ dag @ LlK2004 Serial 515  
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Author V. Valev; B. Sankur; Petia Radeva edit  openurl
  Title (down) Generalized Non-Reducible Descriptors. Type Miscellaneous
  Year 1997 Publication Technical Report. Abbreviated Journal  
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  Notes MILAB Approved no  
  Call Number BCNPCL @ bcnpcl @ VSR1997 Serial 65  
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Author Daniel Marczak; Grzegorz Rypesc; Sebastian Cygert; Tomasz Trzcinski; Bartłomiej Twardowski edit   pdf
url  openurl
  Title (down) Generalized Continual Category Discovery Type Miscellaneous
  Year 2023 Publication arxiv Abbreviated Journal  
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  Abstract Most of Continual Learning (CL) methods push the limit of supervised learning settings, where an agent is expected to learn new labeled tasks and not forget previous knowledge. However, these settings are not well aligned with real-life scenarios, where a learning agent has access to a vast amount of unlabeled data encompassing both novel (entirely unlabeled) classes and examples from known classes. Drawing inspiration from Generalized Category Discovery (GCD), we introduce a novel framework that relaxes this assumption. Precisely, in any task, we allow for the existence of novel and known classes, and one must use continual version of unsupervised learning methods to discover them. We call this setting Generalized Continual Category Discovery (GCCD). It unifies CL and GCD, bridging the gap between synthetic benchmarks and real-life scenarios. With a series of experiments, we present that existing methods fail to accumulate knowledge from subsequent tasks in which unlabeled samples of novel classes are present. In light of these limitations, we propose a method that incorporates both supervised and unsupervised signals and mitigates the forgetting through the use of centroid adaptation. Our method surpasses strong CL methods adopted for GCD techniques and presents a superior representation learning performance.  
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  Notes LAMP Approved no  
  Call Number Admin @ si @ MRC2023 Serial 3985  
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Author Marco Cotogni; Fei Yang; Claudio Cusano; Andrew Bagdanov; Joost Van de Weijer edit   pdf
openurl 
  Title (down) Gated Class-Attention with Cascaded Feature Drift Compensation for Exemplar-free Continual Learning of Vision Transformers Type Miscellaneous
  Year 2022 Publication Arxiv Abbreviated Journal  
  Volume Issue Pages  
  Keywords Marco Cotogni, Fei Yang, Claudio Cusano, Andrew D. Bagdanov, Joost van de Weijer  
  Abstract We propose a new method for exemplar-free class incremental training of ViTs. The main challenge of exemplar-free continual learning is maintaining plasticity of the learner without causing catastrophic forgetting of previously learned tasks. This is often achieved via exemplar replay which can help recalibrate previous task classifiers to the feature drift which occurs when learning new tasks. Exemplar replay, however, comes at the cost of retaining samples from previous tasks which for many applications may not be possible. To address the problem of continual ViT training, we first propose gated class-attention to minimize the drift in the final ViT transformer block. This mask-based gating is applied to class-attention mechanism of the last transformer block and strongly regulates the weights crucial for previous tasks. Importantly, gated class-attention does not require the task-ID during inference, which distinguishes it from other parameter isolation methods. Secondly, we propose a new method of feature drift compensation that accommodates feature drift in the backbone when learning new tasks. The combination of gated class-attention and cascaded feature drift compensation allows for plasticity towards new tasks while limiting forgetting of previous ones. Extensive experiments performed on CIFAR-100, Tiny-ImageNet and ImageNet100 demonstrate that our exemplar-free method obtains competitive results when compared to rehearsal based ViT methods.  
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  Notes LAMP; no proj Approved no  
  Call Number Admin @ si @ CYC2022 Serial 3827  
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Author Robert Benavente; Maria Vanrell edit  openurl
  Title (down) Fuzzy Colour Naming Based on Sigmoid Membership Functions. Type Miscellaneous
  Year 2004 Publication CGIV 2004 Second European Conference on Colour in Graphics, Imaging and Vision, 135:139 Abbreviated Journal  
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  Address Aachen (Germany)  
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  Notes CIC Approved no  
  Call Number CAT @ cat @ BeV2004 Serial 441  
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Author M. Gonzalez-Audicana; Xavier Otazu; O. Fors; R Garcia; J. Nuñez edit  openurl
  Title (down) Fusion of different spatial and spectral resolution images: development, apllication and comparison of new methods based on wavelets. Type Miscellaneous
  Year 2002 Publication Proceedings of the 1st. International Symposium Recent Advances in Quantitative Remote Sensing. Abbreviated Journal  
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  Area Expedition Conference  
  Notes CIC Approved no  
  Call Number CAT @ cat @ GOF2002 Serial 291  
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