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Domain adaptive object detection (DAOD) aims to generalize detectors trained on an annotated source domain to an unlabelled target domain. As the visual-language models (VLMs) can provide essential general knowledge on unseen images,…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Haochen Li , Rui Zhang , Hantao Yao , Xin Zhang , Yifan Hao , Xinkai Song , Xiaqing Li , Yongwei Zhao , Ling Li , Yunji Chen

Performing data augmentation for learning deep neural networks is known to be important for training visual recognition systems. By artificially increasing the number of training examples, it helps reducing overfitting and improves…

计算机视觉与模式识别 · 计算机科学 2019-09-23 Nikita Dvornik , Julien Mairal , Cordelia Schmid

Domain adaptive object detection (DAOD) aims to alleviate transfer performance degradation caused by the cross-domain discrepancy. However, most existing DAOD methods are dominated by outdated and computationally intensive two-stage Faster…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Huayi Zhou , Fei Jiang , Hongtao Lu

3D object detection from point clouds is crucial in safety-critical autonomous driving. Although many works have made great efforts and achieved significant progress on this task, most of them suffer from expensive annotation cost and poor…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Qianjiang Hu , Daizong Liu , Wei Hu

Most of computer vision focuses on what is in an image. We propose to train a standalone object-centric context representation to perform the opposite task: seeing what is not there. Given an image, our context model can predict where…

计算机视觉与模式识别 · 计算机科学 2017-02-28 Jin Sun , David W. Jacobs

A fundamental limitation of object detectors is that they suffer from "spatial bias", and in particular perform less satisfactorily when detecting objects near image borders. For a long time, there has been a lack of effective ways to…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Zhaohui Zheng , Yuming Chen , Qibin Hou , Xiang Li , Ping Wang , Ming-Ming Cheng

Unsupervised Domain Adaptation (UDA) for object detection aims to adapt a model trained on a source domain to detect instances from a new target domain for which annotations are not available. Different from traditional approaches, we…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Giulio Mattolin , Luca Zanella , Elisa Ricci , Yiming Wang

We present Context Forest (ConF), a technique for predicting properties of the objects in an image based on its global appearance. Compared to standard nearest-neighbour techniques, ConF is more accurate, fast and memory efficient. We train…

计算机视觉与模式识别 · 计算机科学 2015-03-04 Davide Modolo , Alexander Vezhnevets , Vittorio Ferrari

Object detection models perform well at localizing and classifying objects that they are shown during training. However, due to the difficulty and cost associated with creating and annotating detection datasets, trained models detect a…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Ayush Jaiswal , Yue Wu , Pradeep Natarajan , Premkumar Natarajan

In this paper, we present an adversarial unsupervised domain adaptation framework for object detection. Prior approaches utilize adversarial training based on cross entropy between the source and target domain distributions to learn a…

计算机视觉与模式识别 · 计算机科学 2019-09-20 Pengcheng Xu , Prudhvi Gurram , Gene Whipps , Rama Chellappa

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…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Nicolas Harvey Chapman , Feras Dayoub , Will Browne , Christopher Lehnert

Despite growing interest in object detection, very few works address the extremely practical problem of cross-domain robustness especially for automative applications. In order to prevent drops in performance due to domain shift, we…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Sushruth Nagesh , Shreyas Rajesh , Asfiya Baig , Savitha Srinivasan

Change detection (CD) is to decouple object changes (i.e., object missing or appearing) from background changes (i.e., environment variations) like light and season variations in two images captured in the same scene over a long time span,…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Rui Huang , Ruofei Wang , Qing Guo , Jieda Wei , Yuxiang Zhang , Wei Fan , Yang Liu

Object detection is one of the most important challenges in computer vision. Object detectors are usually trained on bounding-boxes from still images. Recently, video has been used as an alternative source of data. Yet, for a given test…

计算机视觉与模式识别 · 计算机科学 2016-01-28 Vicky Kalogeiton , Vittorio Ferrari , Cordelia Schmid

Mobile robots rely on object detectors for perception and object localization in indoor environments. However, standard closed-set methods struggle to handle the diverse objects and dynamic conditions encountered in real homes and labs.…

机器人学 · 计算机科学 2025-06-30 Xiangyu Shi , Yanyuan Qiao , Lingqiao Liu , Feras Dayoub

This paper focuses on source-free domain adaptation for object detection in computer vision. This task is challenging and of great practical interest, due to the cost of obtaining annotated data sets for every new domain. Recent research…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Yan Hao , Florent Forest , Olga Fink

Domain adaptation (DA) aims at improving the performance of a model on target domains by transferring the knowledge contained in different but related source domains. With recent advances in deep learning models which are extremely data…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Gabriela Csurka

With a strong alignment between the training and test distributions, object relation as a context prior facilitates object detection. Yet, it turns into a harmful but inevitable training set bias upon test distributions that shift…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Mo Zhou , Yiding Yang , Haoxiang Li , Vishal M. Patel , Gang Hua

The presence of occlusions has provided substantial challenges to typically-powerful object recognition algorithms. Additional sources of information can be extremely valuable to reduce errors caused by occlusions. Scene context is known to…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Courtney M. King , Daniel D. Leeds , Damian Lyons , George Kalaitzis

For unsupervised domain adaptation (UDA), to alleviate the effect of domain shift, many approaches align the source and target domains in the feature space by adversarial learning or by explicitly aligning their statistics. However, the…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Guoqiang Wei , Cuiling Lan , Wenjun Zeng , Zhibo Chen