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Recent advances in deep learning have witnessed many successful unsupervised image-to-image translation models that learn correspondences between two visual domains without paired data. However, it is still a great challenge to build robust…

Computer Vision and Pattern Recognition · Computer Science 2023-06-08 Shuai Yang , Liming Jiang , Ziwei Liu , Chen Change Loy

Map-based LiDAR pose tracking is essential for long-term autonomous operation, where onboard map priors need be compact for scalable storage and fast retrieval, while online observations are often partial, repetitive, and heavily occluded.…

Robotics · Computer Science 2026-02-10 Wentao Zhao , Yihe Niu , Zikun Chen , Rui Li , Yanbo Wang , Tianchen Deng , Jingchuan Wang

Heterogeneous graph representation learning aims to learn low-dimensional vector representations of different types of entities and relations to empower downstream tasks. Existing methods either capture semantic relationships but indirectly…

Machine Learning · Computer Science 2025-08-14 Hao Xu , Shengqi Sang , Peizhen Bai , Laurence Yang , Haiping Lu

The graph structure is a commonly used data storage mode, and it turns out that the low-dimensional embedded representation of nodes in the graph is extremely useful in various typical tasks, such as node classification, link prediction ,…

Social and Information Networks · Computer Science 2020-08-03 Xing Li , Wei Wei , Xiangnan Feng , Xue Liu , Zhiming Zheng

Current applications have produced graphs on the order of hundreds of thousands of nodes and millions of edges. To take advantage of such graphs, one must be able to find patterns, outliers and communities. These tasks are better performed…

Social and Information Networks · Computer Science 2015-05-29 Jose F. Rodrigues , Hanghang Tong , Jia-Yu Pan , Agma J. M. Traina , Caetano Traina , Christos Faloutsos

Graph-based medical image segmentation represents anatomical structures using boundary graphs, providing fixed-topology landmarks and inherent population-level correspondences. However, their clinical adoption has been hindered by a major…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Nicolás Gaggion , Maria J. Ledesma-Carbayo , Stergios Christodoulidis , Maria Vakalopoulou , Enzo Ferrante

Perception research is increasingly modelled using streetscapes, yet many approaches still rely on pixel features or object co-occurrence statistics, overlooking the explicit relations that shape human perception. This study proposes a…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Yunlong Liu , Shuyang Li , Pengyuan Liu , Yu Zhang , Rudi Stouffs

Unsupervised graph alignment aims to find the node correspondence across different graphs without any anchor node pairs. Despite the recent efforts utilizing deep learning-based techniques, such as the embedding and optimal transport…

Machine Learning · Computer Science 2026-03-10 Songyang Chen , Youfang Lin , Yu Liu , Shuai Zheng , Lei Zou

This paper aims at revisiting Graph Convolutional Neural Networks by bridging the gap between spectral and spatial design of graph convolutions. We theoretically demonstrate some equivalence of the graph convolution process regardless it is…

Machine Learning · Computer Science 2020-03-27 Muhammet Balcilar , Guillaume Renton , Pierre Heroux , Benoit Gauzere , Sebastien Adam , Paul Honeine

Panoptic segmentation as an integrated task of both static environmental understanding and dynamic object identification, has recently begun to receive broad research interest. In this paper, we propose a new computationally efficient LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Ryan Razani , Ran Cheng , Enxu Li , Ehsan Taghavi , Yuan Ren , Liu Bingbing

In graph learning, maps between graphs and their subgraphs frequently arise. For instance, when coarsening or rewiring operations are present along the pipeline, one needs to keep track of the corresponding nodes between the original and…

Machine Learning · Computer Science 2023-02-01 Marco Pegoraro , Riccardo Marin , Arianna Rampini , Simone Melzi , Luca Cosmo , Emanuele Rodolà

Generative learning has advanced network neuroscience, enabling tasks like graph super-resolution, temporal graph prediction, and multimodal brain graph fusion. However, current methods, mainly based on graph neural networks (GNNs), focus…

Machine Learning · Computer Science 2025-09-16 Mayssa Soussia , Yijun Lin , Mohamed Ali Mahjoub , Islem Rekik

Graphs can be leveraged to model polyphonic multitrack symbolic music, where notes, chords and entire sections may be linked at different levels of the musical hierarchy by tonal and rhythmic relationships. Nonetheless, there is a lack of…

Sound · Computer Science 2023-07-28 Emanuele Cosenza , Andrea Valenti , Davide Bacciu

Latent image representations arising from vision-language models have proved immensely useful for a variety of downstream tasks. However, their utility is limited by their entanglement with respect to different visual attributes. For…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 James Oldfield , Christos Tzelepis , Yannis Panagakis , Mihalis A. Nicolaou , Ioannis Patras

Identifying structures in common forms the basis for networked systems design and optimization. However, real structures represented by graphs are often of varying sizes, leading to the low accuracy of traditional graph classification…

Machine Learning · Computer Science 2024-09-04 Xiaoyu Zhang , Wenchuan Yang , Jiawei Feng , Bitao Dai , Tianci Bu , Xin Lu

Segmenting small and sparse structures in large-scale images is fundamentally constrained by voxel-level, lattice-bound computation and extreme class imbalance -- dense, full-resolution inference scales poorly and forces most pipelines to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Luke James Miller , Yugyung Lee

Benefiting from the inductive biases learned from large-scale datasets, open-vocabulary semantic segmentation (OVSS) leverages the power of vision-language models, such as CLIP, to achieve remarkable progress without requiring task-specific…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Qiming Huang , Hao Ai , Jianbo Jiao

Vision-language models such as CLIP have shown impressive capabilities in encoding texts and images into aligned embeddings, enabling the retrieval of multimodal data in a shared embedding space. However, these embedding-based models still…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Timothy Ossowski , Ming Jiang , Junjie Hu

The person re-identification (Re-ID) task requires to robustly extract feature representations for person images. Recently, part-based representation models have been widely studied for extracting the more compact and robust feature…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Bo Jiang , Xixi Wang , Bin Luo

Graphs serve as generic tools to encode the underlying relational structure of data. Often this graph is not given, and so the task of inferring it from nodal observations becomes important. Traditional approaches formulate a convex inverse…

Machine Learning · Computer Science 2024-06-24 Max Wasserman , Gonzalo Mateos