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The great success that deep models have achieved in the past is mainly owed to large amounts of labeled training data. However, the acquisition of labeled data for new tasks aside from existing benchmarks is both challenging and costly.…

计算机视觉与模式识别 · 计算机科学 2018-09-27 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

Open-Set Classification (OSC) intends to adapt closed-set classification models to real-world scenarios, where the classifier must correctly label samples of known classes while rejecting previously unseen unknown samples. Only recently,…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Andres Palechor , Annesha Bhoumik , Manuel Günther

Existing open-set recognition (OSR) studies typically assume that each image contains only one class label, with the unknown test set (negative) having a disjoint label space from the known test set (positive), a scenario referred to as…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Xu Yin , Fei Pan , Guoyuan An , Yuchi Huo , Zixuan Xie , Sung-Eui Yoon

Outlier detection is an essential capability in safety-critical applications of supervised visual recognition. Most of the existing methods deliver best results by encouraging standard closed-set models to produce low-confidence predictions…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Anja Delić , Matej Grcić , Siniša Šegvić

Object proposals have become an integral preprocessing steps of many vision pipelines including object detection, weakly supervised detection, object discovery, tracking, etc. Compared to the learning-free methods, learning-based proposals…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Dahun Kim , Tsung-Yi Lin , Anelia Angelova , In So Kweon , Weicheng Kuo

In large-scale disaster events, the planning of optimal rescue routes depends on the object detection ability at the disaster scene, with one of the main challenges being the presence of dense and occluded objects. Existing methods, which…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Xin Wu , Zhanchao Huang , Li Wang , Jocelyn Chanussot , Jiaojiao Tian

Traditional classifiers are deployed under closed-set setting, with both training and test classes belong to the same set. However, real-world applications probably face the input of unknown categories, and the model will recognize them as…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Da-Wei Zhou , Han-Jia Ye , De-Chuan Zhan

Open set recognition is an emerging research area that aims to simultaneously classify samples from predefined classes and identify the rest as 'unknown'. In this process, one of the key challenges is to reduce the risk of generalizing the…

计算机视觉与模式识别 · 计算机科学 2020-12-14 Guangyao Chen , Limeng Qiao , Yemin Shi , Peixi Peng , Jia Li , Tiejun Huang , Shiliang Pu , Yonghong Tian

In this paper, we propose a novel object detection framework named "Deep Regionlets" by establishing a bridge between deep neural networks and conventional detection schema for accurate generic object detection. Motivated by the abilities…

计算机视觉与模式识别 · 计算机科学 2018-08-24 Hongyu Xu , Xutao Lv , Xiaoyu Wang , Zhou Ren , Navaneeth Bodla , Rama Chellappa

Open Set Recognition (OSR) extends image classification to an open-world setting, by simultaneously classifying known classes and identifying unknown ones. While conventional OSR approaches can detect Out-of-Distribution (OOD) samples, they…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Piyapat Saranrittichai , Chaithanya Kumar Mummadi , Claudia Blaiotta , Mauricio Munoz , Volker Fischer

Open-vocabulary object detection (OVD), detecting specific classes of objects using only their linguistic descriptions (e.g., class names) without any image samples, has garnered significant attention. However, in real-world applications,…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Yusuke Hosoya , Masanori Suganuma , Takayuki Okatani

Open set recognition requires a classifier to detect samples not belonging to any of the classes in its training set. Existing methods fit a probability distribution to the training samples on their embedding space and detect outliers…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Hongjie Zhang , Ang Li , Jie Guo , Yanwen Guo

Detecting small, densely distributed objects is a significant challenge: small objects often contain less distinctive information compared to larger ones, and finer-grained precision of bounding box boundaries are required. In this paper,…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Zhenhua Chen , David Crandall , Robert Templeman

Open World Object Detection (OWOD), simulating the real dynamic world where knowledge grows continuously, attempts to detect both known and unknown classes and incrementally learn the identified unknown ones. We find that although the only…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Xiaowei Zhao , Xianglong Liu , Yifan Shen , Yixuan Qiao , Yuqing Ma , Duorui Wang

Deep neural networks have made breakthroughs in a wide range of visual understanding tasks. A typical challenge that hinders their real-world applications is that unknown samples may be fed into the system during the testing phase, but…

计算机视觉与模式识别 · 计算机科学 2021-02-10 Xin Sun , Chi Zhang , Guosheng Lin , Keck-Voon Ling

Open-set semi-supervised object detection (OSSOD) task leverages practical open-set unlabeled datasets that comprise both in-distribution (ID) and out-of-distribution (OOD) instances for conducting semi-supervised object detection (SSOD).…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Zerun Wang , Ling Xiao , Liuyu Xiang , Zhaotian Weng , Toshihiko Yamasaki

Detecting partially occluded objects is a difficult task. Our experimental results show that deep learning approaches, such as Faster R-CNN, are not robust at object detection under occlusion. Compositional convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Angtian Wang , Yihong Sun , Adam Kortylewski , Alan Yuille

Since the strong comorbid similarity in NDDs, such as attention-deficit hyperactivity disorder, can interfere with the accurate diagnosis of autism spectrum disorder (ASD), identifying unknown classes is extremely crucial and challenging…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Jiaming Yu , Zihao Guan , Xinyue Chang , Shujie Liu , Zhenshan Shi , Xiumei Liu , Changcai Yang , Riqing Chen , Lanyan Xue , Lifang Wei

The recently proposed open-world object and open-set detection have achieved a breakthrough in finding never-seen-before objects and distinguishing them from known ones. However, their studies on knowledge transfer from known classes to…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Wenteng Liang , Feng Xue , Yihao Liu , Guofeng Zhong , Anlong Ming

We propose a lightweight and scalable Regional Point-Language Contrastive learning framework, namely \textbf{RegionPLC}, for open-world 3D scene understanding, aiming to identify and recognize open-set objects and categories. Specifically,…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Jihan Yang , Runyu Ding , Weipeng Deng , Zhe Wang , Xiaojuan Qi