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Related papers: UC-OWOD: Unknown-Classified Open World Object Dete…

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Unsupervised object discovery (UOD) refers to the task of discriminating the whole region of objects from the background within a scene without relying on labeled datasets, which benefits the task of bounding-box-level localization and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Yunqiu Lv , Jing Zhang , Nick Barnes , Yuchao Dai

Modern object detectors have achieved impressive progress under the close-set setup. However, open-set object detection (OSOD) remains challenging since objects of unknown categories are often misclassified to existing known classes. In…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Jiaming Han , Yuqiang Ren , Jian Ding , Xingjia Pan , Ke Yan , Gui-Song Xia

3D object detection has been wildly studied in recent years, especially for robot perception systems. However, existing 3D object detection is under a closed-set condition, meaning that the network can only output boxes of trained classes.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Jun Cen , Peng Yun , Junhao Cai , Michael Yu Wang , Ming Liu

In real-world applications where confidence is key, like autonomous driving, the accurate detection and appropriate handling of classes differing from those used during training are crucial. Despite the proposal of various unknown object…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Hejer Ammar , Nikita Kiselov , Guillaume Lapouge , Romaric Audigier

Autonomous systems rely on accurate 3D object detection from LiDAR data, yet most detectors are limited to a predefined set of known classes, making them vulnerable to unexpected out-of-distribution (OOD) objects. In this work, we present…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Louis Soum-Fontez , Jean-Emmanuel Deschaud , François Goulette

Current state-of-the-art object detection and segmentation methods work well under the closed-world assumption. This closed-world setting assumes that the list of object categories is available during training and deployment. However, many…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Weiyao Wang , Matt Feiszli , Heng Wang , Du Tran

In the past few years, we have seen great progress in perception algorithms, particular through the use of deep learning. However, most existing approaches focus on a few categories of interest, which represent only a small fraction of the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Kelvin Wong , Shenlong Wang , Mengye Ren , Ming Liang , Raquel Urtasun

A desirable open world recognition (OWR) system requires performing three tasks: (1) Open set recognition (OSR), i.e., classifying the known (classes seen during training) and rejecting the unknown (unseen$/$novel classes) online; (2)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Fulin Gao , Weimin Zhong , Zhixing Cao , Xin Peng , Zhi Li

Detecting both known and unknown objects is a fundamental skill for robot manipulation in unstructured environments. Open-set object detection (OSOD) is a promising direction to handle the problem consisting of two subtasks: objects and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Zhongxiang Zhou , Yifei Yang , Yue Wang , Rong Xiong

Building reliable object detectors that can detect out-of-distribution (OOD) objects is critical yet underexplored. One of the key challenges is that models lack supervision signals from unknown data, producing overconfident predictions on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Xuefeng Du , Xin Wang , Gabriel Gozum , Yixuan Li

This paper concerns open-world classification, where the classifier not only needs to classify test examples into seen classes that have appeared in training but also reject examples from unseen or novel classes that have not appeared in…

Machine Learning · Computer Science 2018-01-18 Lei Shu , Hu Xu , Bing Liu

A more realistic object detection paradigm, Open-World Object Detection, has arisen increasing research interests in the community recently. A qualified open-world object detector can not only identify objects of known categories, but also…

Computer Vision and Pattern Recognition · Computer Science 2022-02-17 Shuo Yang , Peize Sun , Yi Jiang , Xiaobo Xia , Ruiheng Zhang , Zehuan Yuan , Changhu Wang , Ping Luo , Min Xu

The detection of unknown traffic obstacles is vital to ensure safe autonomous driving. The standard object-detection methods cannot identify unknown objects that are not included under predefined categories. This is because object-detection…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Chihiro Noguchi , Toshiaki Ohgushi , Masao Yamanaka

Unsupervised Camoflaged Object Detection (UCOD) has gained attention since it doesn't need to rely on extensive pixel-level labels. Existing UCOD methods typically generate pseudo-labels using fixed strategies and train 1 x1 convolutional…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Weiqi Yan , Lvhai Chen , Huaijia Kou , Shengchuan Zhang , Yan Zhang , Liujuan Cao

Traditional semi-supervised object detection methods assume a fixed set of object classes (in-distribution or ID classes) during training and deployment, which limits performance in real-world scenarios where unseen classes…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Garvita Allabadi , Ana Lucic , Siddarth Aananth , Tiffany Yang , Yu-Xiong Wang , Vikram Adve

Object detection is a pivotal task in computer vision that has received significant attention in previous years. Nonetheless, the capability of a detector to localise objects out of the training distribution remains unexplored. Whilst…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Brian K. S. Isaac-Medina , Yona Falinie A. Gaus , Neelanjan Bhowmik , Toby P. Breckon

Category discovery (CD) is an emerging open-world learning task, which aims at automatically categorizing unlabelled data containing instances from unseen classes, given some labelled data from seen classes. This task has attracted…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Zhenqi He , Yuanpei Liu , Kai Han

Tremendous progress in deep learning over the last years has led towards a future with autonomous vehicles on our roads. Nevertheless, the performance of their perception systems is strongly dependent on the quality of the utilized training…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Daniel Bogdoll , Enrico Eisen , Maximilian Nitsche , Christin Scheib , J. Marius Zöllner

Unsupervised object discovery is commonly interpreted as the task of localizing and/or categorizing objects in visual data without the need for labeled examples. While current object recognition methods have proven highly effective for…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 José-Fabian Villa-Vásquez , Marco Pedersoli

Open-set panoptic segmentation (OPS) problem is a new research direction aiming to perform segmentation for both \known classes and \unknown classes, i.e., the objects ("things") that are never annotated in the training set. The main…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Hai-Ming Xu , Hao Chen , Lingqiao Liu , Yufei Yin