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Given the difficulty of manually annotating motion in video, the current best motion estimation methods are trained with synthetic data, and therefore struggle somewhat due to a train/test gap. Self-supervised methods hold the promise of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Xinglong Sun , Adam W. Harley , Leonidas J. Guibas

Deep neural networks for aerial image segmentation require large amounts of labeled data, but high-quality aerial datasets with precise annotations are scarce and costly to produce. To address this limitation, we propose a self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Rupert Polley , Sai Vignesh Abishek Deenadayalan , J. Marius Zöllner

Pretraining on large labeled datasets is a prerequisite to achieve good performance in many computer vision tasks like 2D object recognition, video classification etc. However, pretraining is not widely used for 3D recognition tasks where…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Zaiwei Zhang , Rohit Girdhar , Armand Joulin , Ishan Misra

Current state-of-the-art methods for object detection rely on annotated bounding boxes of large data sets for training. However, obtaining such annotations is expensive and can require up to hundreds of hours of manual labor. This poses a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Hannah Kniesel , Leon Sick , Tristan Payer , Tim Bergner , Kavitha Shaga Devan , Clarissa Read , Paul Walther , Timo Ropinski

We study adapting trained object detectors to unseen domains manifesting significant variations of object appearance, viewpoints and backgrounds. Most current methods align domains by either using image or instance-level feature alignment…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Muhammad Akhtar Munir , Muhammad Haris Khan , M. Saquib Sarfraz , Mohsen Ali

This paper focuses on the unsupervised domain adaptation of transferring the knowledge from the source domain to the target domain in the context of semantic segmentation. Existing approaches usually regard the pseudo label as the ground…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Zhedong Zheng , Yi Yang

This paper introduces a novel self-learning framework that automates the label acquisition process for improving models for detecting players in broadcast footage of sports games. Unlike most previous self-learning approaches for improving…

Computer Vision and Pattern Recognition · Computer Science 2013-07-30 Kenji Okuma , David G. Lowe , James J. Little

Estimating building footprint maps from geospatial data is of paramount importance in urban planning, development, disaster management, and various other applications. Deep learning methodologies have gained prominence in building…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Anuja Vats , David Völgyes , Martijn Vermeer , Marius Pedersen , Kiran Raja , Daniele S. M. Fantin , Jacob Alexander Hay

In this work, we study different approaches to self-supervised pretraining of object detection models. We first design a general framework to learn a spatially consistent dense representation from an image, by randomly sampling and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Trung Dang , Simon Kornblith , Huy Thong Nguyen , Peter Chin , Maryam Khademi

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

Choosing a meaningful subset of features from high-dimensional observations in unsupervised settings can greatly enhance the accuracy of downstream analysis, such as clustering or dimensionality reduction, and provide valuable insights into…

Machine Learning · Computer Science 2024-12-23 Daniel Segal , Ofir Lindenbaum , Ariel Jaffe

Person re-identification (re-ID) has gained more and more attention due to its widespread applications in intelligent video surveillance. Unfortunately, the mainstream deep learning methods still need a large quantity of labeled data to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Qi Wang , Sikai Bai , Junyu Gao , Yuan Yuan , Xuelong Li

Accurate school detection is essential for supporting education initiatives, including infrastructure planning and expanding internet connectivity to underserved areas. However, many regions around the world face challenges due to outdated,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Zakarya Elmimouni , Fares Fourati , Mohamed-Slim Alouini

Self-supervised learning (SSL) can be used to solve complex visual tasks without human labels. Self-supervised representations encode useful semantic information about images, and as a result, they have already been used for tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Paul Engstler , Luke Melas-Kyriazi , Christian Rupprecht , Iro Laina

We witnessed a massive growth in the supervised learning paradigm in the past decade. Supervised learning requires a large amount of labeled data to reach state-of-the-art performance. However, labeling the samples requires a lot of human…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Mrinal Anand , Aditya Garg

Robustly predicting attention regions of interest for self-driving systems is crucial for driving safety but presents significant challenges due to the labor-intensive nature of obtaining large-scale attention labels and the domain gap…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Mengshi Qi , Xiaoyang Bi , Pengfei Zhu , Huadong Ma

For a self-driving car to operate reliably, its perceptual system must generalize to the end-user's environment -- ideally without additional annotation efforts. One potential solution is to leverage unlabeled data (e.g., unlabeled LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Yurong You , Cheng Perng Phoo , Katie Z Luo , Travis Zhang , Wei-Lun Chao , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger

State-of-the-art deep learning-based registration methods employ three different learning strategies: supervised learning, which requires costly manual annotations, unsupervised learning, which heavily relies on hand-crafted similarity…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Alexander Bigalke , Lasse Hansen , Tony C. W. Mok , Mattias P. Heinrich

Current 3D object detection methods heavily rely on an enormous amount of annotations. Semi-supervised learning can be used to alleviate this issue. Previous semi-supervised 3D object detection methods directly follow the practice of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Xiaopei Wu , Yang Zhao , Liang Peng , Hua Chen , Xiaoshui Huang , Binbin Lin , Haifeng Liu , Deng Cai , Wanli Ouyang

Recent domain adaptation methods have demonstrated impressive improvement on unsupervised domain adaptation problems. However, in the semi-supervised domain adaptation (SSDA) setting where the target domain has a few labeled instances…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Bingyu Liu , Yuhong Guo , Jieping Ye , Weihong Deng