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Out-of-Distribution (OOD) detection under long-tailed distributions is a highly challenging task because the scarcity of samples in tail classes leads to blurred decision boundaries in the feature space. Current state-of-the-art (sota)…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Ningkang Peng , Qianfeng Yu , Yuhao Zhang , Yafei Liu , Xiaoqian Peng , Peirong Ma , Yi Chen , Peiheng Li , Yanhui Gu

Our goal is to perform out-of-distribution (OOD) detection, i.e., to detect when a robot is operating in environments drawn from a different distribution than the ones used to train the robot. We leverage Probably Approximately Correct…

Robotics · Computer Science 2023-11-08 Alec Farid , Sushant Veer , Divyanshu Pachisia , Anirudha Majumdar

Angular differential imaging (ADI) (Marois et al. 2006) is an observational technique in high contrast imaging where the telescope is used in pupil tracking mode so that the image of the sky rotates with respect to the optical surfaces.…

Earth and Planetary Astrophysics · Physics 2017-11-28 Michael Bottom , Garreth Ruane , Dimitri Mawet

Object anomaly detection is an important problem in the field of machine vision and has seen remarkable progress recently. However, two significant challenges hinder its research and application. First, existing datasets lack comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Qiang Zhou , Weize Li , Lihan Jiang , Guoliang Wang , Guyue Zhou , Shanghang Zhang , Hao Zhao

In oriented object detection, current representations of oriented bounding boxes (OBBs) often suffer from boundary discontinuity problem. Methods of designing continuous regression losses do not essentially solve this problem. Although…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Zhen Zhou , Yunkai Ma , Junfeng Fan , Zhaoyang Liu , Fengshui Jing , Min Tan

The detection of the abnormal area from urban data is a significant research problem. However, to the best of our knowledge, previous methods designed on spatio-temporal anomalies are road-based or grid-based, which usually causes the data…

Social and Information Networks · Computer Science 2020-07-16 Huaishao Luo , Chuishi Meng , Bowen Wu , Junbo Zhang , Tianrui Li , Yu Zheng

Out-of-distribution (OOD) detection is crucial for ensuring the reliability of deep learning models. Existing methods mostly focus on regular entangled representations to discriminate in-distribution (ID) and OOD data, neglecting the rich…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Boyang Dai , Chaoqi Chen , Yizhou Yu

Foundational models, trained on vast and diverse datasets, have demonstrated remarkable capabilities in generalizing across different domains and distributions for various zero-shot tasks. Our work addresses the challenge of retaining these…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Tom Shaked , Yuval Goldman , Oran Shayer

In many critical Machine Learning applications, such as autonomous driving and medical image diagnosis, the detection of out-of-distribution (OOD) samples is as crucial as accurately classifying in-distribution (ID) inputs. Recently Outlier…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Lakpa D. Tamang , Mohamed Reda Bouadjenek , Richard Dazeley , Sunil Aryal

Out-of-distribution (OOD) detection is crucial for enhancing the generalization of AI models used in mammogram screening. Given the challenge of limited prior knowledge about OOD samples in external datasets, unsupervised generative…

Image and Video Processing · Electrical Eng. & Systems 2024-09-19 Zhemin Zhang , Bhavika Patel , Bhavik Patel , Imon Banerjee

Domain adaptation is crucial in aerial imagery, as the visual representation of these images can significantly vary based on factors such as geographic location, time, and weather conditions. Additionally, high-resolution aerial images…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Nanqing Liu , Xun Xu , Yongyi Su , Chengxin Liu , Peiliang Gong , Heng-Chao Li

Multimodal fusion, leveraging data like vision and language, is rapidly gaining traction. This enriched data representation improves performance across various tasks. Existing methods for out-of-distribution (OOD) detection, a critical area…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Jinglun Li , Xinyu Zhou , Kaixun Jiang , Lingyi Hong , Pinxue Guo , Zhaoyu Chen , Weifeng Ge , Wenqiang Zhang

Out-of-distribution (OOD) detection, which maps high-dimensional data into a scalar OOD score, is critical for the reliable deployment of machine learning models. A key challenge in recent research is how to effectively leverage and…

Machine Learning · Computer Science 2026-02-06 Claus Hofmann , Christian Huber , Bernhard Lehner , Daniel Klotz , Sepp Hochreiter , Werner Zellinger

In 2D/3D object detection task, Intersection-over-Union (IoU) has been widely employed as an evaluation metric to evaluate the performance of different detectors in the testing stage. However, during the training stage, the common distance…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Dingfu Zhou , Jin Fang , Xibin Song , Chenye Guan , Junbo Yin , Yuchao Dai , Ruigang Yang

For diffraction-limited optical systems an accurate physical optics model is necessary to properly evaluate instrument performance. Astronomical observatories outfitted with coronagraphs for direct exoplanet imaging require physical optics…

Instrumentation and Methods for Astrophysics · Physics 2023-11-01 Jaren N. Ashcraft , Ewan S. Douglas , Daewook Kim , A. J. E. Riggs

Open-set supervised anomaly detection (OSAD) - a recently emerging anomaly detection area - aims at utilizing a few samples of anomaly classes seen during training to detect unseen anomalies (i.e., samples from open-set anomaly classes),…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Jiawen Zhu , Choubo Ding , Yu Tian , Guansong Pang

Tabular anomaly detection (TAD) aims to identify samples that deviate from the majority in tabular data and is critical in many real-world applications. However, existing methods follow a ``one model for one dataset (OFO)'' paradigm, which…

Machine Learning · Computer Science 2026-03-17 Shiyuan Li , Yixin Liu , Yu Zheng , Xiaofeng Cao , Shirui Pan , Heng Tao Shen

This study experimentally validated the possibility of angle of departure (AoD) estimation using multiple signal classification (MUSIC) with only WiFi control frames for beamforming feedback (BFF), defined in IEEE 802.11ac/ax. The examined…

Signal Processing · Electrical Eng. & Systems 2026-02-26 Sohei Itahara , Sota Kondo , Kota Yamashita , Takayuki Nishio , Koji Yamamoto , Yusuke Koda

Out-of-distribution (OOD) detection is essential for deploying machine learning models in open-world and safety-critical scenarios, where test inputs may deviate from the training distribution and overconfident predictions on unknown…

Machine Learning · Computer Science 2026-05-28 Fengqiang Wan , Qing-Yuan Jiang , Yang Yang

People detection in top-view, fish-eye images is challenging as people in fish-eye images often appear in arbitrary directions and are distorted differently. Due to this unique radial geometry, axis-aligned people detectors often work…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Quan Nguyen Minh , Bang Le Van , Can Nguyen , Anh Le , Viet Dung Nguyen
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