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Hierarchical classification aims to sort the object into a hierarchical structure of categories. For example, a bird can be categorized according to a three-level hierarchy of order, family, and species. Existing methods commonly address…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Renzhen Wang , De cai , Kaiwen Xiao , Xixi Jia , Xiao Han , Deyu Meng

With the advent of big data across multiple high-impact applications, we are often facing the challenge of complex heterogeneity. The newly collected data usually consist of multiple modalities and are characterized with multiple labels,…

Machine Learning · Computer Science 2022-07-27 Lecheng Zheng , Jinjun Xiong , Yada Zhu , Jingrui He

Semi-supervised multi-label learning (SSMLL) is a powerful framework for leveraging unlabeled data to reduce the expensive cost of collecting precise multi-label annotations. Unlike semi-supervised learning, one cannot select the most…

Machine Learning · Computer Science 2024-12-30 Jia-Hao Xiao , Ming-Kun Xie , Heng-Bo Fan , Gang Niu , Masashi Sugiyama , Sheng-Jun Huang

Learning fine-grained embeddings from coarse labels is a challenging task due to limited label granularity supervision, i.e., lacking the detailed distinctions required for fine-grained tasks. The task becomes even more demanding when…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Shu-Lin Xu , Yifan Sun , Faen Zhang , Anqi Xu , Xiu-Shen Wei , Yi Yang

Aiming to enhance the utilization of metric space by the parametric softmax classifier, recent studies suggest replacing it with a non-parametric alternative. Although a non-parametric classifier may provide better metric space utilization,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Mohammad Saeed Ebrahimi Saadabadi , Ali Dabouei , Sahar Rahimi Malakshan , Nasser M. Nasrabad

Multi-label classification (MLC) problems are becoming increasingly popular in the context of medical imaging. This has in part been driven by the fact that acquiring annotations for MLC is far less burdensome than for semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2019-07-11 Thomas Kurmann , Pablo Marquez Neila , Sebastian Wolf , Raphael Sznitman

Deep metric learning objectives (e.g., triplet loss) require storing and comparing high-dimensional embeddings, making the per-batch loss buffer scale as $O(S\cdot D)$, where $S$ is the number of samples in a batch and $D$ is the feature…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Alif Elham Khan , Mohammad Junayed Hasan , Humayra Anjum , Nabeel Mohammed

Self-supervised learning (SSL) has demonstrated its effectiveness in learning representations through comparison methods that align with human intuition. However, mainstream SSL methods heavily rely on high body datasets with single label,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Jiale Chen

Few-shot learning (FSL) is a challenging task in machine learning, demanding a model to render discriminative classification by using only a few labeled samples. In the literature of FSL, deep models are trained in a manner of metric…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Tong Wu , Takumi Kobayashi

In this paper we introduce a novel neural network architecture based on Fast Hough Transform layer. The layer of this type allows our neural network to accumulate features from linear areas across the entire image instead of local areas. We…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Alexander Sheshkus , Anastasia Ingacheva , Vladimir Arlazarov , Dmitry Nikolaev

Regressing 3D rotations of objects from 2D images is a crucial yet challenging task, with broad applications in autonomous driving, virtual reality, and robotic control. Existing rotation regression models often rely on large amounts of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Mei Li , Huayi Zhou , Suizhi Huang , Yuxiang Lu , Yue Ding , Hongtao Lu

Owing to the prohibitive costs of generating large amounts of labeled data, programmatic weak supervision is a growing paradigm within machine learning. In this setting, users design heuristics that provide noisy labels for subsets of the…

Machine Learning · Computer Science 2023-10-06 Dylan Sam , J. Zico Kolter

In multi-label classification, the main focus has been to develop ways of learning the underlying dependencies between labels, and to take advantage of this at classification time. Developing better feature-space representations has been…

Machine Learning · Computer Science 2015-02-23 Jesse Read , Fernando Perez-Cruz

We consider the problem of multi-label classification where the labels lie in a hierarchy. However, unlike most existing works in hierarchical multi-label classification, we do not assume that the label-hierarchy is known. Encouraged by the…

Machine Learning · Computer Science 2021-01-14 Soumya Chatterjee , Ayush Maheshwari , Ganesh Ramakrishnan , Saketha Nath Jagaralpudi

Hashing is widely applied to large-scale image retrieval due to the storage and retrieval efficiency. Existing work on deep hashing assumes that the database in the target domain is identically distributed with the training set in the…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Zhangjie Cao , Mingsheng Long , Chao Huang , Jianmin Wang

Patent images are technical drawings that convey information about a patent's innovation. Patent image retrieval systems aim to search in vast collections and retrieve the most relevant images. Despite recent advances in information…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Kshitij Kavimandan , Angelos Nalmpantis , Emma Beauxis-Aussalet , Robert-Jan Sips

Hyperspectral images are of crucial importance in order to better understand features of different materials. To reach this goal, they leverage on a high number of spectral bands. However, this interesting characteristic is often paid by a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-01 Jin-Fan Hu , Ting-Zhu Huang , Liang-Jian Deng , Tai-Xiang Jiang , Gemine Vivone , Jocelyn Chanussot

Model merging offers a promising avenue for knowledge integration and parallel development without retraining. Yet, existing methods either ignore the geometry of the loss landscape or rely on intractable full-space Hessian approximations.…

Machine Learning · Computer Science 2026-05-27 Juanwu Lu , Anand Bhaskar , Brian Axelrod , Ekaterina Tolstaya , Tristan Emrich

Supervised contrastive learning has achieved remarkable success by leveraging label information; however, determining positive samples in multi-label scenarios remains a critical challenge. In multi-label supervised contrastive learning…

Machine Learning · Computer Science 2025-09-30 Guangming Huang , Yunfei Long , Cunjin Luo

We present a novel hybrid algorithm for Bayesian network structure learning, called H2PC. It first reconstructs the skeleton of a Bayesian network and then performs a Bayesian-scoring greedy hill-climbing search to orient the edges. The…

Machine Learning · Statistics 2015-06-19 Maxime Gasse , Alex Aussem , Haytham Elghazel