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Active learning (AL) for real-world object detection faces computational and reliability challenges that limit practical deployment. Developing new AL methods requires training multiple detectors across iterations to compare against…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Moussa Kassem Sbeyti , Nadja Klein , Michelle Karg , Christian Wirth , Sahin Albayrak

To avoid the exhaustive search over locations and scales, current state-of-the-art object detection systems usually involve a crucial component generating a batch of candidate object proposals from images. In this paper, we present a simple…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Tianshui Chen , Liang Lin , Xian Wu , Nong Xiao , Xiaonan Luo

Recent Semi-Supervised Object Detection (SS-OD) methods are mainly based on self-training, i.e., generating hard pseudo-labels by a teacher model on unlabeled data as supervisory signals. Although they achieved certain success, the limited…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Qiushan Guo , Yao Mu , Jianyu Chen , Tianqi Wang , Yizhou Yu , Ping Luo

Semi-supervised Camouflaged Object Detection (SSCOD) aims to reduce reliance on costly pixel-level annotations by leveraging limited annotated data and abundant unlabeled data. However, existing SSCOD methods based on Teacher-Student…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Xihang Hu , Fuming Sun , Jiazhe Liu , Feilong Xu , Xiaoli Zhang

We propose a novel recurrent attentional structure to localize and recognize objects jointly. The network can learn to extract a sequence of local observations with detailed appearance and rough context, instead of sliding windows or…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Jie Lyu , Zejian Yuan , Dapeng Chen

Loss functions is a crucial factor that affecting the detection precision in object detection task. In this paper, we optimize both two loss functions for classification and localization simultaneously. Firstly, by multiplying an IoU-based…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Shang Jiang , Haoran Qin , Bingli Zhang , Jieyu Zheng

Most of existing detection pipelines treat object proposals independently and predict bounding box locations and classification scores over them separately. However, the important semantic and spatial layout correlations among proposals are…

Computer Vision and Pattern Recognition · Computer Science 2016-08-19 Jianan Li , Xiaodan Liang , Jianshu Li , Tingfa Xu , Jiashi Feng , Shuicheng Yan

Weakly supervised object detection aims at learning precise object detectors, given image category labels. In recent prevailing works, this problem is generally formulated as a multiple instance learning module guided by an image…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Xiaoyan Li , Meina Kan , Shiguang Shan , Xilin Chen

In this paper, we focus on semi-supervised object detection to boost performance of proposal-based object detectors (a.k.a. two-stage object detectors) by training on both labeled and unlabeled data. However, it is non-trivial to train…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Peng Tang , Chetan Ramaiah , Yan Wang , Ran Xu , Caiming Xiong

There is a longstanding interest in capturing the error behaviour of object detectors by finding images where their performance is likely to be unsatisfactory. In real-world applications such as autonomous driving, it is also crucial to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Edward Ayers , Jonathan Sadeghi , John Redford , Romain Mueller , Puneet K. Dokania

Object proposal is essential for current state-of-the-art object detection pipelines. However, the existing proposal methods generally fail in producing results with satisfying localization accuracy. The case is even worse for small objects…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Zequn Jie , Xiaodan Liang , Jiashi Feng , Wen Feng Lu , Eng Hock Francis Tay , Shuicheng Yan

Latest deep learning methods for object detection provide remarkable performance, but have limits when used in robotic applications. One of the most relevant issues is the long training time, which is due to the large size and imbalance of…

Robotics · Computer Science 2021-06-30 Elisa Maiettini , Giulia Pasquale , Lorenzo Rosasco , Lorenzo Natale

Semi-Supervised Object Detection (SSOD), aiming to explore unlabeled data for boosting object detectors, has become an active task in recent years. However, existing SSOD approaches mainly focus on horizontal objects, leaving multi-oriented…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Wei Hua , Dingkang Liang , Jingyu Li , Xiaolong Liu , Zhikang Zou , Xiaoqing Ye , Xiang Bai

The lack of object-level annotations poses a significant challenge for object detection in remote sensing images (RSIs). To address this issue, active learning (AL) and semi-supervised learning (SSL) techniques have been proposed to enhance…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Boxuan Zhang , Zengmao Wang , Bo Du

Based on multiple instance detection networks (MIDN), plenty of works have contributed tremendous efforts to weakly supervised object detection (WSOD). However, most methods neglect the fact that the overwhelming negative instances exist in…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 M. Chen , Y. Tian , Z. Li , E. Li , Z. Liang

Semi-supervised learning (SSL) has a potential to improve the predictive performance of machine learning models using unlabeled data. Although there has been remarkable recent progress, the scope of demonstration in SSL has mainly been on…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Kihyuk Sohn , Zizhao Zhang , Chun-Liang Li , Han Zhang , Chen-Yu Lee , Tomas Pfister

While projection-based reduced order models can reduce the dimension of full order solutions, the resulting reduced models may still contain terms that scale with the full order dimension. Hyper-reduction techniques are sampling-based…

Numerical Analysis · Mathematics 2024-08-06 Jessica T. Lauzon , Siu Wun Cheung , Yeonjong Shin , Youngsoo Choi , Dylan Matthew Copeland , Kevin Huynh

Although fully-supervised oriented object detection has made significant progress in multimodal remote sensing image understanding, it comes at the cost of labor-intensive annotation. Recent studies have explored weakly and semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Yu Lin , Jianghang Lin , Kai Ye , You Shen , Yan Zhang , Shengchuan Zhang , Liujuan Cao , Rongrong Ji

In this paper, we propose an approach that exploits object segmentation in order to improve the accuracy of object detection. We frame the problem as inference in a Markov Random Field, in which each detection hypothesis scores object…

Computer Vision and Pattern Recognition · Computer Science 2015-02-17 Yukun Zhu , Raquel Urtasun , Ruslan Salakhutdinov , Sanja Fidler

Reducing the annotation cost of oriented object detection in remote sensing remains a major challenge. Recently, sparse annotation has gained attention for effectively reducing annotation redundancy in densely remote sensing scenes.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yu Lin , Jianghang Lin , Kai Ye , Shengchuan Zhang , Liujuan Cao