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Weakly-supervised learning has emerged as a promising approach to leverage limited labeled data in various domains by bridging the gap between fully supervised methods and unsupervised techniques. Acquisition of strong annotations for…

Human-Computer Interaction · Computer Science 2023-12-08 Rui Tao , Yuxing Huang , Xiangdong Wang , Long Yan , Lufeng Zhai , Kazushige Ouchi , Taihao Li

In this work, we focus on boosting the feature extraction to improve the performance of Structure-from-Motion (SfM) in endoscopy videos. We present SuperPoint-E, a new local feature extraction method that, using our proposed Tracking…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 O. Leon Barbed , José M. M. Montiel , Pascal Fua , Ana C. Murillo

Since the preparation of labeled data for training semantic segmentation networks of point clouds is a time-consuming process, weakly supervised approaches have been introduced to learn from only a small fraction of data. These methods are…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Gengxin Liu , Oliver van Kaick , Hui Huang , Ruizhen Hu

There is a neglected fact in the traditional machine learning methods that the data sampling can actually lead to the solution sampling. We consider this observation to be important because having the solution sampling available makes the…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Shangzhen Luan , Baochang Zhang , Jungong Han , Chen Chen , Ling Shao , Alessandro Perina , Linlin Shen

The rapid increase in remote sensing satellites has led to the emergence of distributed space-based observation systems. However, existing distributed remote sensing models often rely on centralized training, resulting in data leakage,…

Machine Learning · Computer Science 2025-04-08 Xiaohe Li , Haohua Wu , Jiahao Li , Zide Fan , Kaixin Zhang , Xinming Li , Yunping Ge , Xinyu Zhao

Human poses that are rare or unseen in a training set are challenging for a network to predict. Similar to the long-tailed distribution problem in visual recognition, the small number of examples for such poses limits the ability of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Ailing Zeng , Xiao Sun , Fuyang Huang , Minhao Liu , Qiang Xu , Stephen Lin

Supervised object detection and semantic segmentation require object or even pixel level annotations. When there exist image level labels only, it is challenging for weakly supervised algorithms to achieve accurate predictions. The accuracy…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Weifeng Ge , Sibei Yang , Yizhou Yu

Few-shot learning focuses on learning a new visual concept with very limited labelled examples. A successful approach to tackle this problem is to compare the similarity between examples in a learned metric space based on convolutional…

Machine Learning · Computer Science 2024-02-06 Heda Song , Mercedes Torres Torres , Ender Özcan , Isaac Triguero

Singular points of a fingerprint image are special locations having high curvature properties. They can play a pivotal role in fingerprint normalization and reliable feature extraction. Accurate and efficient extraction of a singular point…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Geetika Arora , Ranjeet Ranjan Jha , Akash Agrawal , Kamlesh Tiwari , Aditya Nigam

Visual grounding, which aims to build a correspondence between visual objects and their language entities, plays a key role in cross-modal scene understanding. One promising and scalable strategy for learning visual grounding is to utilize…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Yongfei Liu , Bo Wan , Lin Ma , Xuming He

We introduce SANDesc, a Streamlined Attention-Based Network for Descriptor extraction that aims to improve on existing architectures for keypoint description. Our descriptor network learns to compute descriptors that improve matching…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mattia D'Urso , Emanuele Santellani , Christian Sormann , Mattia Rossi , Andreas Kuhn , Friedrich Fraundorfer

We propose Probabilistic Warp Consistency, a weakly-supervised learning objective for semantic matching. Our approach directly supervises the dense matching scores predicted by the network, encoded as a conditional probability distribution.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Prune Truong , Martin Danelljan , Fisher Yu , Luc Van Gool

We address the problem of sparse selection of visual features for localizing a team of robots navigating an unknown environment, where robots can exchange relative position measurements with neighbors. We select a set of the most…

Robotics · Computer Science 2024-03-20 Vivek Pandey , Arash Amini , Guangyi Liu , Ufuk Topcu , Qiyu Sun , Kostas Daniilidis , Nader Motee

Weakly supervised semantic segmentation and localiza- tion have a problem of focusing only on the most important parts of an image since they use only image-level annota- tions. In this paper, we solve this problem fundamentally via…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Dahun Kim , Donghyeon Cho , Donggeun Yoo , In So Kweon

Image-level weakly supervised semantic segmentation has received increasing attention due to its low annotation cost. Existing methods mainly rely on Class Activation Mapping (CAM) to obtain pseudo-labels for training semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Xinqiao Zhao , Feilong Tang , Xiaoyang Wang , Jimin Xiao

Robust local feature detection and description are foundational tasks in computer vision. Existing methods primarily rely on single appearance cues for modeling, leading to unstable keypoints and insufficient descriptor discriminability. In…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Yang Yi , Xieyuanli Chen , Jinpu Zhang , Hui Shen , Dewen Hu

Weakly Supervised Object Localization (WSOL) methods only require image level labels as opposed to expensive bounding box annotations required by fully supervised algorithms. We study the problem of learning localization model on target…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Amir Rahimi , Amirreza Shaban , Thalaiyasingam Ajanthan , Richard Hartley , Byron Boots

We present a lightweight network that infers grouping and boundaries, including curves, corners and junctions. It operates in a bottom-up fashion, analogous to classical methods for sub-pixel edge localization and edge-linking, but with a…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Mia Gaia Polansky , Charles Herrmann , Junhwa Hur , Deqing Sun , Dor Verbin , Todd Zickler

A core component of the recent success of self-supervised learning is cropping data augmentation, which selects sub-regions of an image to be used as positive views in the self-supervised loss. The underlying assumption is that randomly…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Shlok Mishra , Anshul Shah , Ankan Bansal , Abhyuday Jagannatha , Janit Anjaria , Abhishek Sharma , David Jacobs , Dilip Krishnan

Multi-View Multi-Object Tracking (MVMOT) is essential for applications such as surveillance, autonomous driving, and sports analytics. However, maintaining consistent object identities across multiple cameras remains challenging due to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Keisuke Toida , Taigo Sakai , Naoki Kato , Kazutoyo Yokota , Takeshi Nakamura , Kazuhiro Hotta
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