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A key algorithm for understanding the world is material segmentation, which assigns a label (metal, glass, etc.) to each pixel. We find that a model trained on existing data underperforms in some settings and propose to address this with a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Paul Upchurch , Ransen Niu

High-resolution satellite images can provide abundant, detailed spatial information for land cover classification, which is particularly important for studying the complicated built environment. However, due to the complex land cover…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Xin-Yi Tong , Gui-Song Xia , Xiao Xiang Zhu

High-quality pixel-level annotations are essential for the semantic segmentation of remote sensing imagery. However, such labels are expensive to obtain and often affected by noise due to the labor-intensive and time-consuming nature of…

Despite the remarkable performance of deep learning methods on various tasks, most cutting-edge models rely heavily on large-scale annotated training examples, which are often unavailable for clinical and health care tasks. The labeling…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Jialin Peng , Ye Wang

Understanding the complex urban infrastructure with centimeter-level accuracy is essential for many applications from autonomous driving to mapping, infrastructure monitoring, and urban management. Aerial images provide valuable information…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Seyed Majid Azimi , Corentin Henry , Lars Sommer , Arne Schumann , Eleonora Vig

Despite the remarkable progress, weakly supervised segmentation approaches are still inferior to their fully supervised counterparts. We obverse the performance gap mainly comes from their limitation on learning to produce high-quality…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Yunchao Wei , Huaxin Xiao , Honghui Shi , Zequn Jie , Jiashi Feng , Thomas S. Huang

Two of the most common tasks in medical imaging are classification and segmentation. Either task requires labeled data annotated by experts, which is scarce and expensive to collect. Annotating data for segmentation is generally considered…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Ozan Ciga , Anne L. Martel

We address the problem of map sparsification for long-term visual localization. For map sparsification, a commonly employed assumption is that the pre-build map and the later captured localization query are consistent. However, this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Ming-Fang Chang , Yipu Zhao , Rajvi Shah , Jakob J. Engel , Michael Kaess , Simon Lucey

Robust cross-seasonal localization is one of the major challenges in long-term visual navigation of autonomous vehicles. In this paper, we exploit recent advances in semantic segmentation of images, i.e., where each pixel is assigned a…

Computer Vision and Pattern Recognition · Computer Science 2018-03-05 Erik Stenborg , Carl Toft , Lars Hammarstrand

Transfer learning allows for resource-efficient geographic transfer of pre-trained field delineation models. However, the scarcity of labeled data for complex and dynamic smallholder landscapes, particularly in Sub-Saharan Africa, remains a…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Philippe Rufin , Sherrie Wang , Sá Nogueira Lisboa , Jan Hemmerling , Mirela G. Tulbure , Patrick Meyfroidt

Semantic segmentation is a crucial task for robot navigation and safety. However, it requires huge amounts of pixelwise annotations to yield accurate results. While recent progress in computer vision algorithms has been heavily boosted by…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Alina Marcu , Dragos Costea , Vlad Licaret , Marius Leordeanu

Historical satellite imagery archive, such as Keyhole satellite data, offers rare insights into understanding early urban development and long-term transformation. However, severe quality degradation ($\textit{e.g.}$, distortion,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Tianxiang Hao , Lixian Zhang , Yingjia Zhang , Mengxuan Chen , Jinxiao Zhang , Runmin Dong , Haohuan Fu

In this paper, we propose OpenSatMap, a fine-grained, high-resolution satellite dataset for large-scale map construction. Map construction is one of the foundations of the transportation industry, such as navigation and autonomous driving.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Hongbo Zhao , Lue Fan , Yuntao Chen , Haochen Wang , yuran Yang , Xiaojuan Jin , Yixin Zhang , Gaofeng Meng , Zhaoxiang Zhang

High-definition (HD) map serves as the essential infrastructure of autonomous driving. In this work, we build up a systematic vectorized map annotation framework (termed VMA) for efficiently generating HD map of large-scale driving scene.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Shaoyu Chen , Yunchi Zhang , Bencheng Liao , Jiafeng Xie , Tianheng Cheng , Wei Sui , Qian Zhang , Chang Huang , Wenyu Liu , Xinggang Wang

Transparent objects such as windows and bottles made by glass widely exist in the real world. Segmenting transparent objects is challenging because these objects have diverse appearance inherited from the image background, making them had…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Enze Xie , Wenjia Wang , Wenhai Wang , Mingyu Ding , Chunhua Shen , Ping Luo

Accurately and globally mapping human infrastructure is an important and challenging task with applications in routing, regulation compliance monitoring, and natural disaster response management etc.. In this paper we present progress in…

Computer Vision and Pattern Recognition · Computer Science 2020-05-21 Rui Zhang , Conrad Albrecht , Wei Zhang , Xiaodong Cui , Ulrich Finkler , David Kung , Siyuan Lu

Rich high-quality annotated data is critical for semantic segmentation learning, yet acquiring dense and pixel-wise ground-truth is both labor- and time-consuming. Coarse annotations (e.g., scribbles, coarse polygons) offer an economical…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Yadan Luo , Ziwei Wang , Zi Huang , Yang Yang , Cong Zhao

Airborne hyperspectral images can be used to map the land cover in large urban areas, thanks to their very high spatial and spectral resolutions on a wide spectral domain. While the spectral dimension of hyperspectral images is highly…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Romain Thoreau , Laurent Risser , Véronique Achard , Béatrice Berthelot , Xavier Briottet

The automated analysis of historical documents, particularly maps, has drastically benefited from advances in deep learning and its success across various computer vision applications. However, most deep learning-based methods heavily rely…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Lukas Arzoumanidis , Julius Knechtel , Jan-Henrik Haunert , Youness Dehbi

Accurate and consistent mapping of urban and rural areas is crucial for sustainable development, spatial planning, and policy design. It is particularly important in simulating the complex interactions between human activities and natural…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Mohammad Kakooei , James Bailie , Markus B. Pettersson , Albin Söderberg , Albin Becevic , Adel Daoud