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Within the past decade, the rise of applications based on artificial intelligence (AI) in general and machine learning (ML) in specific has led to many significant contributions within different domains. The applications range from robotics…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Christoph Sager , Patrick Zschech , Niklas Kühl

Accurate pedestrian classification and localization have received considerable attention due to their wide applications such as security monitoring, autonomous driving, etc. Although pedestrian detectors have made great progress in recent…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Yan Luo , Chongyang Zhang , Muming Zhao , Hao Zhou , Jun Sun

This work tackles the unsupervised cross-domain object detection problem which aims to generalize a pre-trained object detector to a new target domain without labels. We propose an uncertainty-aware model adaptation method, which is based…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Minjie Cai , Minyi Luo , Xionghu Zhong , Hao Chen

Training a robust classifier and an accurate box regressor are difficult for occluded pedestrian detection. Traditionally adopted Intersection over Union (IoU) measurement does not consider the occluded region of the object and leads to…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Ruiqi Lu , Huimin Ma

Arbitrary-oriented object detection is a relatively emerging but challenging task. Although remarkable progress has been made, there still remain many unsolved issues due to the large diversity of patterns in orientation, scale, aspect…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Peng Sun , Yongbin Zheng , Wenqi Wu , Wanying Xu , Shengjian Bai

Great labels make great models. However, traditional labeling approaches for tasks like object detection have substantial costs at scale. Furthermore, alternatives to fully-supervised object detection either lose functionality or require…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Brent A. Griffin , Manushree Gangwar , Jacob Sela , Jason J. Corso

Labeling datasets for supervised object detection is a dull and time-consuming task. Errors can be easily introduced during annotation and overlooked during review, yielding inaccurate benchmarks and performance degradation of deep neural…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Marius Schubert , Tobias Riedlinger , Karsten Kahl , Daniel Kröll , Sebastian Schoenen , Siniša Šegvić , Matthias Rottmann

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.…

Computer Vision and Pattern Recognition · Computer Science 2018-09-27 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

Intersection over Union (IoU) is the most popular evaluation metric used in the object detection benchmarks. However, there is a gap between optimizing the commonly used distance losses for regressing the parameters of a bounding box and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Hamid Rezatofighi , Nathan Tsoi , JunYoung Gwak , Amir Sadeghian , Ian Reid , Silvio Savarese

Classifier chains are an effective technique for modeling label dependencies in multi-label classification. However, the method requires a fixed, static order of the labels. While in theory, any order is sufficient, in practice, this order…

Machine Learning · Computer Science 2021-12-14 Eneldo Loza Mencía , Moritz Kulessa , Simon Bohlender , Johannes Fürnkranz

For object detection, it is possible to view the prediction of bounding boxes as a reverse diffusion process. Using a diffusion model, the random bounding boxes are iteratively refined in a denoising step, conditioned on the image. We…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Leander van den Heuvel , Gertjan Burghouts , David W. Zhang , Gwenn Englebienne , Sabina B. van Rooij

Object detection has seen remarkable progress in recent years with the introduction of Convolutional Neural Networks (CNN). Object detection is a multi-task learning problem where both the position of the objects in the images as well as…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Mofassir ul Islam Arif , Mohsan Jameel , Lars Schmidt-Thieme

Unsupervised Domain Adaptive Object Detection (UDA-OD) uses unlabelled data to improve the reliability of robotic vision systems in open-world environments. Previous approaches to UDA-OD based on self-training have been effective in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Nicolas Harvey Chapman , Feras Dayoub , Will Browne , Christopher Lehnert

Traversability estimation is critical for enabling robots to navigate across diverse terrains and environments. While recent self-supervised learning methods achieve promising results, they often fail to capture the characteristics of…

Robotics · Computer Science 2025-08-26 Zipeng Fang , Yanbo Wang , Lei Zhao , Weidong Chen

Label assignment is a crucial process in object detection, which significantly influences the detection performance by determining positive or negative samples during training process. However, existing label assignment strategies barely…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Jian Guan , Mingjie Xie , Youtian Lin , Guangjun He , Pengming Feng

With the rapid development of detectors, Bounding Box Regression (BBR) loss function has constantly updated and optimized. However, the existing IoU-based BBR still focus on accelerating convergence by adding new loss terms, ignoring the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Hao Zhang , Cong Xu , Shuaijie Zhang

Most state-of-the-art object detection systems follow an anchor-based diagram. Anchor boxes are densely proposed over the images and the network is trained to predict the boxes position offset as well as the classification confidence.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Wenshuo Ma , Tingzhong Tian , Hang Xu , Yimin Huang , Zhenguo Li

Label assignment in object detection aims to assign targets, foreground or background, to sampled regions in an image. Unlike labeling for image classification, this problem is not well defined due to the object's bounding box. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Chuong H. Nguyen , Thuy C. Nguyen , Tuan N. Tang , Nam L. H. Phan

In real applications, object detectors based on deep networks still face challenges of the large domain gap between the labeled training data and unlabeled testing data. To reduce the gap, recent techniques are proposed by aligning the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Sanli Tang , Zhanzhan Cheng , Shiliang Pu , Dashan Guo , Yi Niu , Fei Wu

Object detection has made tremendous strides in computer vision. Small object detection with appearance degradation is a prominent challenge, especially for aerial observations. To collect sufficient positive/negative samples for heuristic…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Dong Liang , Qixiang Geng , Zongqi Wei , Dmitry A. Vorontsov , Ekaterina L. Kim , Mingqiang Wei , Huiyu Zhou