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相关论文: Generalized Class Discovery in Instance Segmentati…

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Unsupervised Domain Adaptation (UDA) approaches address the covariate shift problem by minimizing the distribution discrepancy between the source and target domains, assuming that the label distribution is invariant across domains. However,…

机器学习 · 计算机科学 2023-08-22 Xiaona Sun , Zhenyu Wu , Yichen Liu , Saier Hu , Zhiqiang Zhan , Yang Ji

Generalized Category Discovery (GCD) is a challenging task in which, given a partially labelled dataset, models must categorize all unlabelled instances, regardless of whether they come from labelled categories or from new ones. In this…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Hongjun Wang , Sagar Vaze , Kai Han

Despite the availability of large datasets for tasks like image classification and image-text alignment, labeled data for more complex recognition tasks, such as detection and segmentation, is less abundant. In particular, for instance…

计算机视觉与模式识别 · 计算机科学 2024-03-19 François Porcher , Camille Couprie , Marc Szafraniec , Jakob Verbeek

Generalized Category Discovery (GCD) is an open-world problem that clusters unlabeled data by leveraging knowledge from partially labeled categories. A key challenge is that unlabeled data may contain both known and novel categories.…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Haiyang Zheng , Nan Pu , Wenjing Li , Nicu Sebe , Zhun Zhong

Domain adaptation deals with training models using large scale labeled data from a specific source domain and then adapting the knowledge to certain target domains that have few or no labels. Many prior works learn domain agnostic feature…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Astuti Sharma , Tarun Kalluri , Manmohan Chandraker

This paper addresses generalized category discovery (GCD), the task of clustering unlabeled data from potentially known or unknown categories with the help of labeled instances from each known category. Compared to traditional…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Menglin Wang , Zhun Zhong , Xiaojin Gong

Generalized Category Discovery (GCD) challenges methods to identify known and novel classes using partially labeled data, mirroring human category learning. Unlike prior GCD methods, which operate within a single modality and require…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Jordan Shipard , Arnold Wiliem , Kien Nguyen Thanh , Wei Xiang , Clinton Fookes

While 3D instance segmentation (3DIS) has advanced significantly, most existing methods assume that all object classes are known in advance and uniformly distributed. However, this assumption is unrealistic in dynamic, real-world…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Vishal Thengane , Jean Lahoud , Hisham Cholakkal , Rao Muhammad Anwer , Lu Yin , Xiatian Zhu , Salman Khan

Remarkable progress has been made in object instance detection and segmentation in recent years. However, existing state-of-the-art methods are mostly evaluated with fairly balanced and class-limited benchmarks, such as Microsoft COCO…

计算机视觉与模式识别 · 计算机科学 2020-08-03 Tao Wang , Yu Li , Bingyi Kang , Junnan Li , Jun Hao Liew , Sheng Tang , Steven Hoi , Jiashi Feng

This paper studies the problem of novel category discovery on single- and multi-modal data with labels from different but relevant categories. We present a generic, end-to-end framework to jointly learn a reliable representation and assign…

计算机视觉与模式识别 · 计算机科学 2021-10-18 Xuhui Jia , Kai Han , Yukun Zhu , Bradley Green

Generalized Category Discovery (GCD) aims to classify instances from both known and novel categories within a large-scale unlabeled dataset, a critical yet challenging task for real-world, open-world applications. However, existing methods…

计算机视觉与模式识别 · 计算机科学 2026-01-16 Wenwen Liao , Hang Ruan , Jianbo Yu , Yuansong Wang , Qingchao Jiang , Xiaofeng Yang

Real-world imagery is often characterized by a significant imbalance of the number of images per class, leading to long-tailed distributions. An effective and simple approach to long-tailed visual recognition is to learn feature…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Ahmet Iscen , André Araujo , Boqing Gong , Cordelia Schmid

Large-scale datasets with point-wise semantic and instance labels are crucial to 3D instance segmentation but also expensive. To leverage unlabeled data, previous semi-supervised 3D instance segmentation approaches have explored…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Yizheng Wu , Zhiyu Pan , Kewei Wang , Xingyi Li , Jiahao Cui , Liwen Xiao , Guosheng Lin , Zhiguo Cao

Existing salient instance detection (SID) methods typically learn from pixel-level annotated datasets. In this paper, we present the first weakly-supervised approach to the SID problem. Although weak supervision has been considered in…

计算机视觉与模式识别 · 计算机科学 2021-11-22 Xin Tian , Ke Xu , Xin Yang , Baocai Yin , Rynson W. H. Lau

Long-tailed recognition with imbalanced class distribution naturally emerges in practical machine learning applications. Existing methods such as data reweighing, resampling, and supervised contrastive learning enforce the class balance…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Chengkai Hou , Jieyu Zhang , Haonan Wang , Tianyi Zhou

Object frequency in the real world often follows a power law, leading to a mismatch between datasets with long-tailed class distributions seen by a machine learning model and our expectation of the model to perform well on all classes. We…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Muhammad Abdullah Jamal , Matthew Brown , Ming-Hsuan Yang , Liqiang Wang , Boqing Gong

The long-tail distribution of the visual world poses great challenges for deep learning based classification models on how to handle the class imbalance problem. Existing solutions usually involve class-balancing strategies, e.g., by loss…

计算机视觉与模式识别 · 计算机科学 2020-02-20 Bingyi Kang , Saining Xie , Marcus Rohrbach , Zhicheng Yan , Albert Gordo , Jiashi Feng , Yannis Kalantidis

Class-agnostic counting (CAC) has numerous potential applications across various domains. The goal is to count objects of an arbitrary category during testing, based on only a few annotated exemplars. In this paper, we point out that the…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Jingyi Xu , Hieu Le , Dimitris Samaras

We address the problem of generalized category discovery (GCD) that aims to partition a partially labeled collection of images; only a small part of the collection is labeled and the total number of target classes is unknown. To address…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Sua Choi , Dahyun Kang , Minsu Cho

Generalized Class Discovery (GCD) clusters base and novel classes in a target domain using supervision from a source domain with only base classes. Current methods often falter with distribution shifts and typically require access to target…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Vaibhav Rathore , Shubhranil B , Saikat Dutta , Sarthak Mehrotra , Zsolt Kira , Biplab Banerjee