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A consistent trend throughout the research of oriented object detection has been the pursuit of maintaining comparable performance with fewer and weaker annotations. This is particularly crucial in the remote sensing domain, where the dense…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Wei Zhang , Xiang Liu , Ningjing Liu , Mingxin Liu , Wei Liao , Chunyan Xu , Xue Yang

Weakly supervised instance segmentation reduces the cost of annotations required to train models. However, existing approaches which rely only on image-level class labels predominantly suffer from errors due to (a) partial segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Qing Liu , Vignesh Ramanathan , Dhruv Mahajan , Alan Yuille , Zhenheng Yang

The growing demand for oriented object detection (OOD) across various domains has driven significant research in this area. However, the high cost of dataset annotation remains a major concern. Current mainstream OOD algorithms can be…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Mingxin Liu , Peiyuan Zhang , Yuan Liu , Wei Zhang , Yue Zhou , Ning Liao , Ziyang Gong , Junwei Luo , Zhirui Wang , Yi Yu , Xue Yang

Few-shot object detection has gained significant attention in recent years as it has the potential to greatly reduce the reliance on large amounts of manually annotated bounding boxes. While most existing few-shot object detection…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Sueyeon Kim , Woo-Jeoung Nam , Seong-Whan Lee

Training object detectors with only image-level annotations is very challenging because the target objects are often surrounded by a large number of background clutters. Many existing approaches tackle this problem through object proposal…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Wenhui Jiang , Thuyen Ngo , B. S. Manjunath , Zhicheng Zhao , Fei Su

In recent years, weakly supervised object detection (WSOD) has attracted much attention due to its low labeling cost. The success of recent WSOD models is often ascribed to the two-stage multi-class classification (MCC) task, i.e., multiple…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yufei Yin , Lechao Cheng , Wengang Zhou , Jiajun Deng , Zhou Yu , Houqiang Li

We present a weakly supervised deep learning method to perform instance segmentation of cells present in microscopy images. Annotation of biomedical images in the lab can be scarce, incomplete, and inaccurate. This is of concern when…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Fidel A. Guerrero-Peña , Pedro D. Marrero Fernandez , Tsang Ing Ren , Alexandre Cunha

This paper presents a simple unsupervised visual representation learning method with a pretext task of discriminating all images in a dataset using a parametric, instance-level classifier. The overall framework is a replica of a supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Yu Liu , Lianghua Huang , Pan Pan , Bin Wang , Yinghui Xu , Rong Jin

Accurate tumor detection in digital pathology whole-slide images (WSIs) is crucial for cancer diagnosis and treatment planning. Multiple Instance Learning (MIL) has emerged as a widely used approach for weakly-supervised tumor detection…

Image and Video Processing · Electrical Eng. & Systems 2025-03-03 Marina D'Amato , Jeroen van der Laak , Francesco Ciompi

Weakly supervised object detection (WSup-OD) increases the usefulness and interpretability of image classification algorithms without requiring additional supervision. The successes of multiple instance learning in this task for natural…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Philip Müller , Felix Meissen , Georgios Kaissis , Daniel Rueckert

Online optimization has gained increasing interest due to its capability of tracking real-world streaming data. Although online optimization methods have been widely studied in the setting of frequentist statistics, few works have…

Machine Learning · Computer Science 2023-03-01 Yifan Yang , Chang Liu , Zheng Zhang

This paper presents a novel algorithm, the particle-based, rapid incremental smoother (PaRIS), for efficient online approximation of smoothed expectations of additive state functionals in general hidden Markov models. The algorithm, which…

Computation · Statistics 2014-12-25 Jimmy Olsson , Johan Westerborn

It is challenging for weakly supervised object detection network to precisely predict the positions of the objects, since there are no instance-level category annotations. Most existing methods tend to solve this problem by using a…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Ke Yang , Dongsheng Li , Yong Dou

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).…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Zerun Wang , Ling Xiao , Liuyu Xiang , Zhaotian Weng , Toshihiko Yamasaki

Object detection is a challenging task in remote sensing because objects only occupy a few pixels in the images, and the models are required to simultaneously learn object locations and detection. Even though the established approaches well…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Pourya Shamsolmoali , Jocelyn Chanussot , Masoumeh Zareapoor , Huiyu Zhou , Jie Yang

Consistent surgical instrument segmentation is critical for automation in robot-assisted surgery. Yet, existing methods only treat instrument-level instance segmentation (IIS) or part-level semantic segmentation (PSS) separately, without…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Meng Wei , Charlie Budd , Oluwatosin Alabi , Miaojing Shi , Tom Vercauteren

We propose a method for 6DoF pose estimation of rigid objects that uses a state-of-the-art deep learning based instance detector to segment object instances in an RGB image, followed by a point-pair based voting method to recover the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Rebecca König , Bertram Drost

Automatic detection of firearms is important for enhancing the security and safety of people, however, it is a challenging task owing to the wide variations in shape, size, and appearance of firearms. Also, most of the generic object…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Javed Iqbal , Muhammad Akhtar Munir , Arif Mahmood , Afsheen Rafaqat Ali , Mohsen Ali

Physics-informed deep learning has emerged as a promising framework for solving partial differential equations (PDEs). Nevertheless, training these models on complex problems remains challenging, often leading to limited accuracy and…

Machine Learning · Statistics 2025-11-13 Wenqian Chen , Amanda Howard , Panos Stinis

The whole slide image (WSI) classification is often formulated as a multiple instance learning (MIL) problem. Since the positive tissue is only a small fraction of the gigapixel WSI, existing MIL methods intuitively focus on identifying…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Wenhao Tang , Sheng Huang , Xiaoxian Zhang , Fengtao Zhou , Yi Zhang , Bo Liu