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  1. Article

    Open Access

    Unsupervised Point Cloud Representation Learning by Clustering and Neural Rendering

    Data augmentation has contributed to the rapid advancement of unsupervised learning on 3D point clouds. However, we argue that data augmentation is not ideal, as it requires a careful application-dependent sel...

    Guofeng Mei, Cristiano Saltori, Elisa Ricci in International Journal of Computer Vision (2024)

  2. No Access

    Article

    Style-Hallucinated Dual Consistency Learning: A Unified Framework for Visual Domain Generalization

    Domain shift widely exists in the visual world, while modern deep neural networks commonly suffer from severe performance degradation under domain shift due to poor generalization ability, which limits real-wo...

    Yuyang Zhao, Zhun Zhong, Na Zhao, Nicu Sebe in International Journal of Computer Vision (2024)

  3. No Access

    Article

    Nonlinear neurons with human-like apical dendrite activations

    In order to classify linearly non-separable data, neurons are typically organized into multi-layer neural networks that are equipped with at least one hidden layer. Inspired by some recent discoveries in neuro...

    Mariana-Iuliana Georgescu, Radu Tudor Ionescu in Applied Intelligence (2023)

  4. No Access

    Article

    HiEve: A Large-Scale Benchmark for Human-Centric Video Analysis in Complex Events

    Along with the development of modern smart cities, human-centric video analysis has been encountering the challenge of analyzing diverse and complex events in real scenes. A complex event relates to dense crow...

    Weiyao Lin, Huabin Liu, Shizhan Liu, Yuxi Li in International Journal of Computer Vision (2023)

  5. No Access

    Article

    Self-training transformer for source-free domain adaptation

    In this paper, we study the task of source-free domain adaptation (SFDA), where the source data are not available during target adaptation. Previous works on SFDA mainly focus on aligning the cross-domain dist...

    Guanglei Yang, Zhun Zhong, Mingli Ding, Nicu Sebe, Elisa Ricci in Applied Intelligence (2023)

  6. No Access

    Article

    Bipartite Graph Reasoning GANs for Person Pose and Facial Image Synthesis

    We present a novel bipartite graph reasoning Generative Adversarial Network (BiGraphGAN) for two challenging tasks: person pose and facial image synthesis. The proposed graph generator consists of two novel bl...

    Hao Tang, Ling Shao, Philip H. S. Torr in International Journal of Computer Vision (2023)

  7. No Access

    Chapter and Conference Paper

    Budget-Aware Pruning for Multi-domain Learning

    Deep learning has achieved state-of-the-art performance on several computer vision tasks and domains. Nevertheless, it still has a high computational cost and demands a significant amount of parameters. Such r...

    Samuel Felipe dos Santos, Rodrigo Berriel in Image Analysis and Processing – ICIAP 2023 (2023)

  8. No Access

    Article

    Curriculum Learning: A Survey

    Training machine learning models in a meaningful order, from the easy samples to the hard ones, using curriculum learning can provide performance improvements over the standard training approach based on rando...

    Petru Soviany, Radu Tudor Ionescu, Paolo Rota in International Journal of Computer Vision (2022)

  9. No Access

    Article

    Deep traffic sign detection and recognition without target domain real images

    Deep learning has become a standard approach to machine vision in recent years. Despite several advances, it requires large amounts of annotated data. Nonetheless, in many applications, large-scale data acquis...

    Lucas Tabelini, Rodrigo Berriel, Thiago M. Paixão in Machine Vision and Applications (2022)

  10. No Access

    Chapter and Conference Paper

    Class-Incremental Novel Class Discovery

    We study the new task of class-incremental Novel Class Discovery (class-iNCD), which refers to the problem of discovering novel categories in an unlabelled data set by leveraging a pre-trained model that has b...

    Subhankar Roy, Mingxuan Liu, Zhun Zhong, Nicu Sebe in Computer Vision – ECCV 2022 (2022)

  11. No Access

    Chapter and Conference Paper

    GIPSO: Geometrically Informed Propagation for Online Adaptation in 3D LiDAR Segmentation

    3D point cloud semantic segmentation is fundamental for autonomous driving. Most approaches in the literature neglect an important aspect, i.e., how to deal with domain shift when handling dynamic scenes. This...

    Cristiano Saltori, Evgeny Krivosheev, Stéphane Lathuiliére in Computer Vision – ECCV 2022 (2022)

  12. No Access

    Chapter and Conference Paper

    Style-Hallucinated Dual Consistency Learning for Domain Generalized Semantic Segmentation

    In this paper, we study the task of synthetic-to-real domain generalized semantic segmentation, which aims to learn a model that is robust to unseen real-world scenes using only synthetic data. The large domai...

    Yuyang Zhao, Zhun Zhong, Na Zhao, Nicu Sebe, Gim Hee Lee in Computer Vision – ECCV 2022 (2022)

  13. No Access

    Chapter and Conference Paper

    Uncertainty-Guided Source-Free Domain Adaptation

    Source-free domain adaptation (SFDA) aims to adapt a classifier to an unlabelled target data set by only using a pre-trained source model. However, the absence of the source data and the domain shift makes the...

    Subhankar Roy, Martin Trapp, Andrea Pilzer, Juho Kannala in Computer Vision – ECCV 2022 (2022)

  14. No Access

    Chapter and Conference Paper

    Improving Covariance Conditioning of the SVD Meta-layer by Orthogonality

    Inserting an SVD meta-layer into neural networks is prone to make the covariance ill-conditioned, which could harm the model in the training stability and generalization abilities. In this paper, we systematic...

    Yue Song, Nicu Sebe, Wei Wang in Computer Vision – ECCV 2022 (2022)

  15. No Access

    Chapter and Conference Paper

    CoSMix: Compositional Semantic Mix for Domain Adaptation in 3D LiDAR Segmentation

    3D LiDAR semantic segmentation is fundamental for autonomous driving. Several Unsupervised Domain Adaptation (UDA) methods for point cloud data have been recently proposed to improve model generalization for d...

    Cristiano Saltori, Fabio Galasso, Giuseppe Fiameni in Computer Vision – ECCV 2022 (2022)

  16. No Access

    Chapter and Conference Paper

    Batch-Efficient EigenDecomposition for Small and Medium Matrices

    EigenDecomposition (ED) is at the heart of many computer vision algorithms and applications. One crucial bottleneck limiting its usage is the expensive computation cost, particularly for a mini-batch of matric...

    Yue Song, Nicu Sebe, Wei Wang in Computer Vision – ECCV 2022 (2022)

  17. No Access

    Chapter and Conference Paper

    3D-Aware Semantic-Guided Generative Model for Human Synthesis

    Generative Neural Radiance Field (GNeRF) models, which extract implicit 3D representations from 2D images, have recently been shown to produce realistic images representing rigid/semi-rigid objects, such as hu...

    Jichao Zhang, Enver Sangineto, Hao Tang, Aliaksandr Siarohin in Computer Vision – ECCV 2022 (2022)

  18. No Access

    Article

    Viewpoint and Scale Consistency Reinforcement for UAV Vehicle Re-Identification

    This paper studies vehicle ReID in aerial videos taken by Unmanned Aerial Vehicles (UAVs). Compared with existing vehicle ReID tasks performed with fixed surveillance cameras, UAV vehicle ReID is still under-e...

    Shangzhi Teng, Shiliang Zhang, Qingming Huang in International Journal of Computer Vision (2021)

  19. Article

    Open Access

    TriGAN: image-to-image translation for multi-source domain adaptation

    Most domain adaptation methods consider the problem of transferring knowledge to the target domain from a single-source dataset. However, in practical applications, we typically have access to multiple sources...

    Subhankar Roy, Aliaksandr Siarohin, Enver Sangineto in Machine Vision and Applications (2021)

  20. Article

    Special Issue on Generating Realistic Visual Data of Human Behavior

    Xavier Alameda-Pineda, Elisa Ricci in International Journal of Computer Vision (2020)

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