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Humans possess an innate ability to identify and differentiate instances that they are not familiar with, by leveraging and adapting the knowledge that they have acquired so far. Importantly, they achieve this without deteriorating the…

计算机视觉与模式识别 · 计算机科学 2022-07-22 K J Joseph , Sujoy Paul , Gaurav Aggarwal , Soma Biswas , Piyush Rai , Kai Han , Vineeth N Balasubramanian

The recently proposed Novel Category Discovery (NCD) adapt paradigm of transductive learning hinders its application in more real-world scenarios. In fact, few labeled data in part of new categories can well alleviate this burden, which…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Chunming Li , Shidong Wang , Haofeng Zhang

We introduce a new setting of Novel Class Discovery in Semantic Segmentation (NCDSS), which aims at segmenting unlabeled images containing new classes given prior knowledge from a labeled set of disjoint classes. In contrast to existing…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Yuyang Zhao , Zhun Zhong , Nicu Sebe , Gim Hee Lee

Generalized Category Discovery (GCD) faces the challenge of categorizing unlabeled data containing both known and novel classes, given only labels for known classes. Previous studies often treat each class independently, neglecting the…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Fang Zhou , Zhiqiang Chen , Martin Pavlovski , Yizhong Zhang

In Generalized Category Discovery (GCD), we cluster unlabeled samples of known and novel classes, leveraging a training dataset of known classes. A salient challenge arises due to domain shifts between these datasets. To address this, we…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Sai Bhargav Rongali , Sarthak Mehrotra , Ankit Jha , Mohamad Hassan N C , Shirsha Bose , Tanisha Gupta , Mainak Singha , Biplab Banerjee

We tackle the generalized category discovery (GCD) problem, which aims to discover novel classes in unlabeled datasets by leveraging the knowledge of known classes. Previous works utilize the known class knowledge through shared…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Chuyu Zhang , Peiyan Gu , Xueyang Yu , Xuming He

Generalized category discovery (GCD) is a recently proposed open-world task. Given a set of images consisting of labeled and unlabeled instances, the goal of GCD is to automatically cluster the unlabeled samples using information…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Xiangli Yang , Xinglin Pan , Irwin King , Zenglin Xu

Whilst contrastive learning has recently brought notable benefits to deep clustering of unlabelled images by learning sample-specific discriminative visual features, its potential for explicitly inferring class decision boundaries is less…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Jiabo Huang , Shaogang Gong

Deep neural network-based medical image classifications often use "hard" labels for training, where the probability of the correct category is 1 and those of others are 0. However, these hard targets can drive the networks over-confident…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Dong Wei , Shilei Cao , Kai Ma , Yefeng Zheng

Contrastive Language Image Pre-training (CLIP) has recently demonstrated success across various tasks due to superior feature representation empowered by image-text contrastive learning. However, the instance discrimination method used by…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Xiang An , Kaicheng Yang , Xiangzi Dai , Ziyong Feng , Jiankang Deng

New intent discovery (NID) seeks to recognize both new and known intents from unlabeled user utterances, which finds prevalent use in practical dialogue systems. Existing works towards NID mainly adopt a cascaded architecture, wherein the…

计算与语言 · 计算机科学 2025-11-11 Hongtao Wang , Renchi Yang , Wenqing Lin

Continuous Generalized Category Discovery (C-GCD) aims to continually discover novel classes from unlabelled image sets while maintaining performance on old classes. In this paper, we propose a novel learning framework, dubbed Neighborhood…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Ye Wang , Yaxiong Wang , Guoshuai Zhao , Xueming Qian

In class-incremental learning, the model is expected to learn new classes continually while maintaining knowledge on previous classes. The challenge here lies in preserving the model's ability to effectively represent prior classes in the…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Arjun Ashok , K J Joseph , Vineeth Balasubramanian

We present a novel clustering objective that learns a neural network classifier from scratch, given only unlabelled data samples. The model discovers clusters that accurately match semantic classes, achieving state-of-the-art results in…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Xu Ji , João F. Henriques , Andrea Vedaldi

Discovering novel concepts in unlabelled datasets and in a continuous manner is an important desideratum of lifelong learners. In the literature such problems have been partially addressed under very restricted settings, where novel classes…

计算机视觉与模式识别 · 计算机科学 2024-08-26 Mingxuan Liu , Subhankar Roy , Zhun Zhong , Nicu Sebe , Elisa Ricci

New Intent Discovery (NID) aims to recognize known and infer new intent categories with the help of limited labeled and large-scale unlabeled data. The task is addressed as a feature-clustering problem and recent studies augment instance…

计算与语言 · 计算机科学 2024-03-26 Shun Zhang , Jian Yang , Jiaqi Bai , Chaoran Yan , Tongliang Li , Zhao Yan , Zhoujun Li

Existing deep learning models have achieved promising performance in recognizing skin diseases from dermoscopic images. However, these models can only recognize samples from predefined categories, when they are deployed in the clinic, data…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Wei Feng , Lie Ju , Lin Wang , Kaimin Song , Zongyuan Ge

Class-incremental fault diagnosis requires a model to adapt to new fault classes while retaining previous knowledge. However, limited research exists for imbalanced and long-tailed data. Extracting discriminative features from few-shot…

机器学习 · 计算机科学 2025-01-22 Hanrong Zhang , Yifei Yao , Zixuan Wang , Jiayuan Su , Mengxuan Li , Peng Peng , Hongwei Wang

In recent years, deep dictionary learning (DDL)has attracted a great amount of attention due to its effectiveness for representation learning and visual recognition.~However, most existing methods focus on unsupervised deep dictionary…

机器学习 · 计算机科学 2022-07-15 Xia Yuan , Jianping Gou , Baosheng Yu , Jiali Yu , Zhang Yi

Partial Label Learning (PLL) aims to train a classifier when each training instance is associated with a set of candidate labels, among which only one is correct but is not accessible during the training phase. The common strategy dealing…

机器学习 · 计算机科学 2020-02-28 Yao Yao , Chen Gong , Jiehui Deng , Jian Yang