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Multimedia applications are often associated with cross-domain knowledge transfer, where Unsupervised Domain Adaptation (UDA) can be used to reduce the domain shifts. Open Set Domain Adaptation (OSDA) aims to transfer knowledge from a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Jinghan Ru , Jun Tian , Zhekai Du , Chengwei Xiao , Jingjing Li , Heng Tao Shen

Current closed-set instance segmentation models rely on pre-defined class labels for each mask during training and evaluation, largely limiting their ability to detect novel objects. Open-world instance segmentation (OWIS) models address…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Muzhi Zhu , Hengtao Li , Hao Chen , Chengxiang Fan , Weian Mao , Chenchen Jing , Yifan Liu , Chunhua Shen

Open World Object Detection(OWOD) addresses realistic scenarios where unseen object classes emerge, enabling detectors trained on known classes to detect unknown objects and incrementally incorporate the knowledge they provide. While…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Sunoh Lee , Minsik Jeon , Jihong Min , Junwon Seo

Domain adaptation (DA) tackles the issue of distribution shift by learning a model from a source domain that generalizes to a target domain. However, most existing DA methods are designed for scenarios where the source and target domain…

Machine Learning · Computer Science 2024-12-18 Thai-Hoang Pham , Yuanlong Wang , Changchang Yin , Xueru Zhang , Ping Zhang

Open-world semi-supervised learning (OWSSL) extends conventional semi-supervised learning to open-world scenarios by taking account of novel categories in unlabeled datasets. Despite the recent advancements in OWSSL, the success often…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Seongheon Park , Hyuk Kwon , Kwanghoon Sohn , Kibok Lee

Automatic and accurate segmentation for retinal and choroidal layers of Optical Coherence Tomography (OCT) is crucial for detection of various ocular diseases. However, because of the variations in different equipments, OCT data obtained…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Jiexiang Wang , Cheng Bian , Meng Li , Xin Yang , Kai Ma , Wenao Ma , Jin Yuan , Xinghao Ding , Yefeng Zheng

This paper proposes inverse feature learning as a novel supervised feature learning technique that learns a set of high-level features for classification based on an error representation approach. The key contribution of this method is to…

Machine Learning · Computer Science 2020-03-10 Behzad Ghazanfari , Fatemeh Afghah , MohammadTaghi Hajiaghayi

Recently, deep learning based methods have revolutionized remote sensing image segmentation. However, these methods usually rely on a pre-defined semantic class set, thus needing additional image annotation and model training when adapting…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Chengyang Ye , Yunzhi Zhuge , Pingping Zhang

Single-source open-domain generalization (SS-ODG) addresses the challenge of labeled source domains with supervision during training and unlabeled novel target domains during testing. The target domain includes both known classes from the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Prathmesh Bele , Valay Bundele , Avigyan Bhattacharya , Ankit Jha , Gemma Roig , Biplab Banerjee

Learning with noisy labels is an important topic for scalable training in many real-world scenarios. However, few previous research considers this problem in the online setting, where the arrival of data is streaming. In this paper, we…

Machine Learning · Computer Science 2023-06-09 Yifan Yang , Alec Koppel , Zheng Zhang

Exploring new knowledge is a fundamental human ability that can be mirrored in the development of deep neural networks, especially in the field of object detection. Open world object detection (OWOD) is an emerging area of research that…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yiming Li , Yi Wang , Wenqian Wang , Dan Lin , Bingbing Li , Kim-Hui Yap

Intelligent reflecting surface (IRS) technology has become a crucial enabler for creating cost effective, innovative, and adaptable wireless communication environments. This study investigates an IRS-assisted orthogonal time frequency space…

Signal Processing · Electrical Eng. & Systems 2024-08-06 Sushmita Singh , Kuntal Deka , Sanjeev Sharma , Neelakandan Rajamohan

In open-set semi-supervised learning (OSSL), we consider unlabeled datasets that may contain unknown classes. Existing OSSL methods often use the softmax confidence for classifying data as in-distribution (ID) or out-of-distribution (OOD).…

Machine Learning · Computer Science 2026-01-26 Erik Wallin , Lennart Svensson , Fredrik Kahl , Lars Hammarstrand

Detecting Out-of-Domain (OOD) or unknown intents from user queries is essential in a task-oriented dialog system. A key challenge of OOD detection is to learn discriminative semantic features. Traditional cross-entropy loss only focuses on…

Computation and Language · Computer Science 2021-06-01 Zhiyuan Zeng , Keqing He , Yuanmeng Yan , Zijun Liu , Yanan Wu , Hong Xu , Huixing Jiang , Weiran Xu

Open set recognition (OSR) assumes unknown instances appear out of the blue at the inference time. The main challenge of OSR is that the response of models for unknowns is totally unpredictable. Furthermore, the diversity of open set makes…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 WonJun Moon , Junho Park , Hyun Seok Seong , Cheol-Ho Cho , Jae-Pil Heo

Offline Signature Verification (OSV) is a challenging pattern recognition task, especially in presence of skilled forgeries that are not available during training. This study aims to tackle its challenges and meet the substantial need for…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Saeed Masoudnia , Omid Mersa , Babak N. Araabi , Abdol-Hossein Vahabie , Mohammad Amin Sadeghi , Majid Nili Ahmadabadi

Open-set object detection (OSOD), a task involving the detection of unknown objects while accurately detecting known objects, has recently gained attention. However, we identify a fundamental issue with the problem formulation employed in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Yusuke Hosoya , Masanori Suganuma , Takayuki Okatani

Detecting Out-of-Distribution (OOD) sensory data and covariate distribution shift aims to identify new test examples with different high-level image statistics to the captured, normal and In-Distribution (ID) set. Existing OOD detection…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Christiaan Viviers , Amaan Valiuddin , Francisco Caetano , Lemar Abdi , Lena Filatova , Peter de With , Fons van der Sommen

In Open Set Domain Adaptation (OSDA), large amounts of target samples are drawn from the implicit categories that never appear in the source domain. Due to the lack of their specific belonging, existing methods indiscriminately regard them…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Jingyu Zhuang , Ziliang Chen , Pengxu Wei , Guanbin Li , Liang Lin

Photorealistic object appearance modeling from 2D images is a constant topic in vision and graphics. While neural implicit methods (such as Neural Radiance Fields) have shown high-fidelity view synthesis results, they cannot relight the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Hong-Xing Yu , Michelle Guo , Alireza Fathi , Yen-Yu Chang , Eric Ryan Chan , Ruohan Gao , Thomas Funkhouser , Jiajun Wu