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Author Cristhian A. Aguilera-Carrasco; Angel Sappa; Ricardo Toledo edit  url
doi  openurl
  Title LGHD: a Feature Descriptor for Matching Across Non-Linear Intensity Variations Type Conference Article
  Year 2015 Publication 22th IEEE International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages 178 - 181  
  Keywords  
  Abstract  
  Address Quebec; Canada; September 2015  
  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 (down) ICIP  
  Notes ADAS; 600.076 Approved no  
  Call Number Admin @ si @ AST2015 Serial 2630  
Permanent link to this record
 

 
Author Esteve Cervantes; Long Long Yu; Andrew Bagdanov; Marc Masana; Joost Van de Weijer edit   pdf
openurl 
  Title Hierarchical Part Detection with Deep Neural Networks Type Conference Article
  Year 2016 Publication 23rd IEEE International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages  
  Keywords Object Recognition; Part Detection; Convolutional Neural Networks  
  Abstract Part detection is an important aspect of object recognition. Most approaches apply object proposals to generate hundreds of possible part bounding box candidates which are then evaluated by part classifiers. Recently several methods have investigated directly regressing to a limited set of bounding boxes from deep neural network representation. However, for object parts such methods may be unfeasible due to their relatively small size with respect to the image. We propose a hierarchical method for object and part detection. In a single network we first detect the object and then regress to part location proposals based only on the feature representation inside the object. Experiments show that our hierarchical approach outperforms a network which directly regresses the part locations. We also show that our approach obtains part detection accuracy comparable or better than state-of-the-art on the CUB-200 bird and Fashionista clothing item datasets with only a fraction of the number of part proposals.  
  Address Phoenix; Arizona; USA; September 2016  
  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 (down) ICIP  
  Notes LAMP; 600.106 Approved no  
  Call Number Admin @ si @ CLB2016 Serial 2762  
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Author Victor Vaquero; German Ros; Francesc Moreno-Noguer; Antonio Lopez; Alberto Sanfeliu edit   pdf
doi  openurl
  Title Joint coarse-and-fine reasoning for deep optical flow Type Conference Article
  Year 2017 Publication 24th International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages 2558-2562  
  Keywords  
  Abstract We propose a novel representation for dense pixel-wise estimation tasks using CNNs that boosts accuracy and reduces training time, by explicitly exploiting joint coarse-and-fine reasoning. The coarse reasoning is performed over a discrete classification space to obtain a general rough solution, while the fine details of the solution are obtained over a continuous regression space. In our approach both components are jointly estimated, which proved to be beneficial for improving estimation accuracy. Additionally, we propose a new network architecture, which combines coarse and fine components by treating the fine estimation as a refinement built on top of the coarse solution, and therefore adding details to the general prediction. We apply our approach to the challenging problem of optical flow estimation and empirically validate it against state-of-the-art CNN-based solutions trained from scratch and tested on large optical flow datasets.  
  Address Beijing; China; September 2017  
  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 (down) ICIP  
  Notes ADAS; 600.118 Approved no  
  Call Number Admin @ si @ VRM2017 Serial 2898  
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Author Andrei Polzounov; Artsiom Ablavatski; Sergio Escalera; Shijian Lu; Jianfei Cai edit  openurl
  Title WordFences: Text Localization and Recognition Type Conference Article
  Year 2017 Publication 24th International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages  
  Keywords  
  Abstract  
  Address Beijing; China; September 2017  
  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 (down) ICIP  
  Notes HUPBA; no menciona Approved no  
  Call Number Admin @ si @ PAE2017 Serial 3007  
Permanent link to this record
 

 
Author Maedeh Aghaei; Mariella Dimiccoli; Petia Radeva edit   pdf
openurl 
  Title All the people around me: face clustering in egocentric photo streams Type Conference Article
  Year 2017 Publication 24th International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages  
  Keywords face discovery; face clustering; deepmatching; bag-of-tracklets; egocentric photo-streams  
  Abstract arxiv1703.01790
Given an unconstrained stream of images captured by a wearable photo-camera (2fpm), we propose an unsupervised bottom-up approach for automatic clustering appearing faces into the individual identities present in these data. The problem is challenging since images are acquired under real world conditions; hence the visible appearance of the people in the images undergoes intensive variations. Our proposed pipeline consists of first arranging the photo-stream into events, later, localizing the appearance of multiple people in them, and
finally, grouping various appearances of the same person across different events. Experimental results performed on a dataset acquired by wearing a photo-camera during one month, demonstrate the effectiveness of the proposed approach for the considered purpose.
 
  Address Beijing; China; September 2017  
  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 (down) ICIP  
  Notes MILAB; no menciona Approved no  
  Call Number Admin @ si @ EDR2017 Serial 3025  
Permanent link to this record
 

 
Author Marco Buzzelli; Joost Van de Weijer; Raimondo Schettini edit   pdf
doi  openurl
  Title Learning Illuminant Estimation from Object Recognition Type Conference Article
  Year 2018 Publication 25th International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages 3234 - 3238  
  Keywords Illuminant estimation; computational color constancy; semi-supervised learning; deep learning; convolutional neural networks  
  Abstract In this paper we present a deep learning method to estimate the illuminant of an image. Our model is not trained with illuminant annotations, but with the objective of improving performance on an auxiliary task such as object recognition. To the best of our knowledge, this is the first example of a deep
learning architecture for illuminant estimation that is trained without ground truth illuminants. We evaluate our solution on standard datasets for color constancy, and compare it with state of the art methods. Our proposal is shown to outperform most deep learning methods in a cross-dataset evaluation
setup, and to present competitive results in a comparison with parametric solutions.
 
  Address Athens; Greece; October 2018  
  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 (down) ICIP  
  Notes LAMP; 600.109; 600.120 Approved no  
  Call Number Admin @ si @ BWS2018 Serial 3157  
Permanent link to this record
 

 
Author Patricia Suarez; Angel Sappa; Boris X. Vintimilla; Riad I. Hammoud edit   pdf
doi  openurl
  Title Near InfraRed Imagery Colorization Type Conference Article
  Year 2018 Publication 25th International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages 2237 - 2241  
  Keywords Convolutional Neural Networks (CNN), Generative Adversarial Network (GAN), Infrared Imagery colorization  
  Abstract This paper proposes a stacked conditional Generative Adversarial Network-based method for Near InfraRed (NIR) imagery colorization. We propose a variant architecture of Generative Adversarial Network (GAN) that uses multiple
loss functions over a conditional probabilistic generative model. We show that this new architecture/loss-function yields better generalization and representation of the generated colored IR images. The proposed approach is evaluated on a large test dataset and compared to recent state of the art methods using standard metrics.
 
  Address Athens; Greece; October 2018  
  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 (down) ICIP  
  Notes MSIAU; 600.086; 600.130; 600.122 Approved no  
  Call Number Admin @ si @ SSV2018b Serial 3195  
Permanent link to this record
 

 
Author Emanuel Sanchez Aimar; Petia Radeva; Mariella Dimiccoli edit   pdf
url  doi
openurl 
  Title Social Relation Recognition in Egocentric Photostreams Type Conference Article
  Year 2019 Publication 26th International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages 3227-3231  
  Keywords  
  Abstract This paper proposes an approach to automatically categorize the social interactions of a user wearing a photo-camera (2fpm), by relying solely on what the camera is seeing. The problem is challenging due to the overwhelming complexity of social life and the extreme intra-class variability of social interactions captured under unconstrained conditions. We adopt the formalization proposed in Bugental's social theory, that groups human relations into five social domains with related categories. Our method is a new deep learning architecture that exploits the hierarchical structure of the label space and relies on a set of social attributes estimated at frame level to provide a semantic representation of social interactions. Experimental results on the new EgoSocialRelation dataset demonstrate the effectiveness of our proposal.  
  Address Taipei; Taiwan; September 2019  
  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 (down) ICIP  
  Notes MILAB; no menciona Approved no  
  Call Number Admin @ si @ SRD2019 Serial 3370  
Permanent link to this record
 

 
Author Patricia Suarez; Angel Sappa; Boris X. Vintimilla; Riad I. Hammoud edit   pdf
url  doi
openurl 
  Title Cycle Generative Adversarial Network: Towards A Low-Cost Vegetation Index Estimation Type Conference Article
  Year 2021 Publication 28th IEEE International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages 19-22  
  Keywords  
  Abstract This paper presents a novel unsupervised approach to estimate the Normalized Difference Vegetation Index (NDVI). The NDVI is obtained as the ratio between information from the visible and near infrared spectral bands; in the current work, the NDVI is estimated just from an image of the visible spectrum through a Cyclic Generative Adversarial Network (CyclicGAN). This unsupervised architecture learns to estimate the NDVI index by means of an image translation between the red channel of a given RGB image and the NDVI unpaired index’s image. The translation is obtained by means of a ResNET architecture and a multiple loss function. Experimental results obtained with this unsupervised scheme show the validity of the implemented model. Additionally, comparisons with the state of the art approaches are provided showing improvements with the proposed approach.  
  Address Anchorage-Alaska; USA; September 2021  
  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 (down) ICIP  
  Notes MSIAU; 600.130; 600.122; 601.349 Approved no  
  Call Number Admin @ si @ SSV2021b Serial 3579  
Permanent link to this record
 

 
Author Aitor Alvarez-Gila; Joost Van de Weijer; Yaxing Wang; Estibaliz Garrote edit   pdf
url  doi
openurl 
  Title MVMO: A Multi-Object Dataset for Wide Baseline Multi-View Semantic Segmentation Type Conference Article
  Year 2022 Publication 29th IEEE International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages  
  Keywords multi-view; cross-view; semantic segmentation; synthetic dataset  
  Abstract We present MVMO (Multi-View, Multi-Object dataset): a synthetic dataset of 116,000 scenes containing randomly placed objects of 10 distinct classes and captured from 25 camera locations in the upper hemisphere. MVMO comprises photorealistic, path-traced image renders, together with semantic segmentation ground truth for every view. Unlike existing multi-view datasets, MVMO features wide baselines between cameras and high density of objects, which lead to large disparities, heavy occlusions and view-dependent object appearance. Single view semantic segmentation is hindered by self and inter-object occlusions that could benefit from additional viewpoints. Therefore, we expect that MVMO will propel research in multi-view semantic segmentation and cross-view semantic transfer. We also provide baselines that show that new research is needed in such fields to exploit the complementary information of multi-view setups 1 .  
  Address Bordeaux; France; October2022  
  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 (down) ICIP  
  Notes LAMP Approved no  
  Call Number Admin @ si @ AWW2022 Serial 3781  
Permanent link to this record
 

 
Author Ahmed M. A. Salih; Ilaria Boscolo Galazzo; Federica Cruciani; Lorenza Brusini; Petia Radeva edit  url
doi  openurl
  Title Investigating Explainable Artificial Intelligence for MRI-based Classification of Dementia: a New Stability Criterion for Explainable Methods Type Conference Article
  Year 2022 Publication 29th IEEE International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages  
  Keywords Image processing; Stability criteria; Machine learning; Robustness; Alzheimer's disease; Monitoring  
  Abstract Individuals diagnosed with Mild Cognitive Impairment (MCI) have shown an increased risk of developing Alzheimer’s Disease (AD). As such, early identification of dementia represents a key prognostic element, though hampered by complex disease patterns. Increasing efforts have focused on Machine Learning (ML) to build accurate classification models relying on a multitude of clinical/imaging variables. However, ML itself does not provide sensible explanations related to the model mechanism and feature contribution. Explainable Artificial Intelligence (XAI) represents the enabling technology in this framework, allowing to understand ML outcomes and derive human-understandable explanations. In this study, we aimed at exploring ML combined with MRI-based features and XAI to solve this classification problem and interpret the outcome. In particular, we propose a new method to assess the robustness of feature rankings provided by XAI methods, especially when multicollinearity exists. Our findings indicate that our method was able to disentangle the list of the informative features underlying dementia, with important implications for aiding personalized monitoring plans.  
  Address Bordeaux; France; October 2022  
  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 (down) ICIP  
  Notes MILAB Approved no  
  Call Number Admin @ si @ SBC2022 Serial 3789  
Permanent link to this record
 

 
Author Chengyi Zou; Shuai Wan; Marta Mrak; Marc Gorriz Blanch; Luis Herranz; Tiannan Ji edit  url
doi  openurl
  Title Towards Lightweight Neural Network-based Chroma Intra Prediction for Video Coding Type Conference Article
  Year 2022 Publication 29th IEEE International Conference on Image Processing Abbreviated Journal  
  Volume Issue Pages  
  Keywords Video coding; Quantization (signal); Computational modeling; Neural networks; Predictive models; Video compression; Syntactics  
  Abstract In video compression the luma channel can be useful for predicting chroma channels (Cb, Cr), as has been demonstrated with the Cross-Component Linear Model (CCLM) used in Versatile Video Coding (VVC) standard. More recently, it has been shown that neural networks can even better capture the relationship among different channels. In this paper, a new attention-based neural network is proposed for cross-component intra prediction. With the goal to simplify neural network design, the new framework consists of four branches: boundary branch and luma branch for extracting features from reference samples, attention branch for fusing the first two branches, and prediction branch for computing the predicted chroma samples. The proposed scheme is integrated into VVC test model together with one additional binary block-level syntax flag which indicates whether a given block makes use of the proposed method. Experimental results demonstrate 0.31%/2.36%/2.00% BD-rate reductions on Y/Cb/Cr components, respectively, on top of the VVC Test Model (VTM) 7.0 which uses CCLM.  
  Address Bordeaux; France; October 2022  
  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 (down) ICIP  
  Notes MACO Approved no  
  Call Number Admin @ si @ ZWM2022 Serial 3790  
Permanent link to this record
 

 
Author Arnau Ramisa; Ramon Lopez de Mantaras; Ricardo Toledo edit  openurl
  Title Comparing Combinations of Feature Regions for Panoramic VSLAM Type Conference Article
  Year 2007 Publication 4th International Conference on Informatics in Control, Automation and Robotics Abbreviated Journal  
  Volume Issue Pages 292–297  
  Keywords  
  Abstract  
  Address Angers (France)  
  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 (down) ICINCO  
  Notes RV;ADAS Approved no  
  Call Number Admin @ si @ RLA2007 Serial 900  
Permanent link to this record
 

 
Author Bogdan Raducanu; Fadi Dornaika edit  doi
isbn  openurl
  Title A Discriminative Non-Linear Manifold Learning Technique for Face Recognition Type Book Chapter
  Year 2011 Publication Informatics Engineering and Information Science Abbreviated Journal  
  Volume 254 Issue 6 Pages 339-353  
  Keywords  
  Abstract In this paper we propose a novel non-linear discriminative analysis technique for manifold learning. The proposed approach is a discriminant version of Laplacian Eigenmaps which takes into account the class label information in order to guide the procedure of non-linear dimensionality reduction. By following the large margin concept, the graph Laplacian is split in two components: within-class graph and between-class graph to better characterize the discriminant property of the data.
Our approach has been tested on several challenging face databases and it has been conveniently compared with other linear and non-linear techniques. The experimental results confirm that our method outperforms, in general, the existing ones. Although we have concentrated in this paper on the face recognition problem, the proposed approach could also be applied to other category of objects characterized by large variance in their appearance.
 
  Address  
  Corporate Author Thesis  
  Publisher Springer Berlin Heidelberg Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1865-0929 ISBN 978-3-642-25482-6 Medium  
  Area Expedition Conference (down) ICIEIS  
  Notes OR;MV Approved no  
  Call Number Admin @ si @ RaD2011 Serial 1804  
Permanent link to this record
 

 
Author Fernando Alonso; Xavier Baro; Sergio Escalera; Jordi Gonzalez; Martha Mackay; Anna Serrahima edit   pdf
openurl 
  Title CARE RESPITE: TAKING CARE OF THE CAREGIVERS, Theme 5 The Strategic use of Mobile and Digital Health and Care Solutions Type Conference Article
  Year 2016 Publication 16th International Conference for Integrated Care Abbreviated Journal  
  Volume Issue Pages  
  Keywords  
  Abstract Poster  
  Address Barcelona; Spain; May 2016  
  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 (down) ICIC  
  Notes HuPBA; ISE;MV Approved no  
  Call Number Admin @ si @ ABE2016 Serial 2855  
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