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In this paper, we tackle the problem of discovering new classes in unlabeled visual data given labeled data from disjoint classes. Existing methods typically first pre-train a model with labeled data, and then identify new classes in…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Zhun Zhong , Linchao Zhu , Zhiming Luo , Shaozi Li , Yi Yang , Nicu Sebe

This work presents a novel approach to tabular data prediction leveraging graph structure learning and graph neural networks. Despite the prevalence of tabular data in real-world applications, traditional deep learning methods often…

Machine Learning · Computer Science 2023-05-26 Jay Chiehen Liao , Cheng-Te Li

Out-of-distribution detection seeks to identify novelties, samples that deviate from the norm. The task has been found to be quite challenging, particularly in the case where the normal data distribution consists of multiple semantic…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Niv Cohen , Ron Abutbul , Yedid Hoshen

Multi-class novelty detection is increasingly becoming an important area of research due to the continuous increase in the number of object categories. It tries to answer the pertinent question: given a test sample, should we even try to…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Supritam Bhattacharjee , Devraj Mandal , Soma Biswas

In this paper, we study the problem of Generalized Category Discovery (GCD), which aims to cluster unlabeled data from both known and unknown categories using the knowledge of labeled data from known categories. Current GCD methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Haiyang Zheng , Nan Pu , Wenjing Li , Nicu Sebe , Zhun Zhong

Tabular data are ubiquitous for the widespread applications of tables and hence have attracted the attention of researchers to extract underlying information. One of the critical problems in mining tabular data is how to understand their…

Machine Learning · Computer Science 2021-06-17 Lun Du , Fei Gao , Xu Chen , Ran Jia , Junshan Wang , Jiang Zhang , Shi Han , Dongmei Zhang

While many works on Continual Learning have shown promising results for mitigating catastrophic forgetting, they have relied on supervised training. To successfully learn in a label-agnostic incremental setting, a model must distinguish…

Machine Learning · Computer Science 2021-12-09 Shivam Khare , Kun Cao , James Rehg

Continuous category discovery (CCD) aims to automatically discover novel categories in continuously arriving unlabeled data. This is a challenging problem considering that there is no number of categories and labels in the newly arrived…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Ruobing Jiang , Yang Liu , Haobing Liu , Yanwei Yu , Chunyang Wang

Generalized Category Discovery (GCD) aims to identify a mix of known and novel categories within unlabeled data sets, providing a more realistic setting for image recognition. Essentially, GCD needs to remember existing patterns thoroughly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Xinzi Cao , Xiawu Zheng , Guanhong Wang , Weijiang Yu , Yunhang Shen , Ke Li , Yutong Lu , Yonghong Tian

In this paper, we present a novel learning approach based on Neurovectors, an innovative paradigm that structures information through interconnected nodes and vector relationships for tabular data processing. Unlike traditional artificial…

Machine Learning · Computer Science 2025-06-10 J. C. Husillos , A. Gallego , A. Roma , A. Troncoso

Generalized category discovery (GCD) is a pragmatic but underexplored problem, which requires models to automatically cluster and discover novel categories by leveraging the labeled samples from old classes. The challenge is that unlabeled…

Machine Learning · Computer Science 2025-04-08 Shijie Ma , Fei Zhu , Xu-Yao Zhang , Cheng-Lin Liu

One of the major challenges arising from single-cell transcriptomics experiments is the question of how to annotate the associated single-cell transcriptomic profiles. Because of the large size and the high dimensionality of the data,…

Genomics · Quantitative Biology 2024-09-11 Malek Senoussi , Thierry Artières , Paul Villoutreix

Data stream processing has become a landmark in modern machine learning applications, with concept drifts and novel class appearances posing the primary challenges faced by sophisticated recognition methods. This work proposes an…

Machine Learning · Computer Science 2026-05-29 Joanna Komorniczak

We introduce a new table detection and structure recognition approach named RobusTabNet to detect the boundaries of tables and reconstruct the cellular structure of each table from heterogeneous document images. For table detection, we…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Chixiang Ma , Weihong Lin , Lei Sun , Qiang Huo

The remarkable success of Deep Learning approaches is often based and demonstrated on large public datasets. However, when applying such approaches to internal, private datasets, one frequently faces challenges arising from structural…

Machine Learning · Computer Science 2025-04-30 Dayananda Herurkar , Jörn Hees , Vesselin Tzvetkov , Andreas Dengel

Table detection is the task of classifying and localizing table objects within document images. With the recent development in deep learning methods, we observe remarkable success in table detection. However, a significant amount of labeled…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Tahira Shehzadi , Khurram Azeem Hashmi , Didier Stricker , Marcus Liwicki , Muhammad Zeshan Afzal

We address the problem of novelty detection in multiclass scenarios where some class labels are missing from the training set. Our method is based on the initial assignment of confidence values, which measure the affinity between a new test…

Computer Vision and Pattern Recognition · Computer Science 2016-05-17 Nomi Vinokurov , Daphna Weinshall

Recently, convolution neural networks (CNNs) have attracted a great deal of attention due to their remarkable performance in various domains, particularly in image and text classification tasks. However, their application to tabular data…

Machine Learning · Computer Science 2026-05-21 Arun D. Kulkarni

Computer-aided diagnosis systems must make critical decisions from medical images that are often noisy, ambiguous, or conflicting, yet today's models are trained on overly simplistic labels that ignore diagnostic uncertainty. One-hot labels…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Ang Nan Gu , Michael Tsang , Hooman Vaseli , Purang Abolmaesumi , Teresa Tsang

We tackle the novel class discovery in point cloud segmentation, which discovers novel classes based on the semantic knowledge of seen classes. Existing work proposes an online point-wise clustering method with a simplified equal class-size…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Ruijie Xu , Chuyu Zhang , Hui Ren , Xuming He