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Pixel-level vision tasks, such as semantic segmentation, require extensive and high-quality annotated data, which is costly to obtain. Semi-supervised semantic segmentation (SSSS) has emerged as a solution to alleviate the labeling burden…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Danhui Chen , Ziquan Liu , Chuxi Yang , Dan Wang , Yan Yan , Yi Xu , Xiangyang Ji

Existing weakly supervised semantic segmentation (WSSS) methods usually utilize the results of pre-trained saliency detection (SD) models without explicitly modeling the connections between the two tasks, which is not the most efficient…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Yu Zeng , Yunzhi Zhuge , Huchuan Lu , Lihe Zhang

Salient object detection (SOD) in complex environments remains a challenging research topic. Most existing methods perform well in natural scenes with negligible noise, and tend to leverage multi-modal information (e.g., depth and infrared)…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Quan Chen , Xiong Yang , Bolun Zheng , Rongfeng Lu , Xiaokai Yang , Qianyu Zhang , Yu Liu , Xiaofei Zhou

While Sharpness-Aware Minimization (SAM) improves generalization in deep neural networks by minimizing both loss and sharpness, it suffers from inefficiency in distributed large-batch training. We present Landscape-Smoothed SAM (LSAM), a…

Machine Learning · Computer Science 2025-09-04 Yunfei Teng , Sixin Zhang

Deep learning for detecting objects in remotely sensed imagery can enable new technologies for important applications including mitigating climate change. However, these models often require large datasets labeled with bounding box…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Ji Hun Wang , Jeremy Irvin , Beri Kohen Behar , Ha Tran , Raghav Samavedam , Quentin Hsu , Andrew Y. Ng

Curating annotations for medical image segmentation is a labor-intensive and time-consuming task that requires domain expertise, resulting in "narrowly" focused deep learning (DL) models with limited translational utility. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Pranav Kulkarni , Adway Kanhere , Dharmam Savani , Andrew Chan , Devina Chatterjee , Paul H. Yi , Vishwa S. Parekh

The Segment Anything Model (SAM) has demonstrated exceptional performance and versatility, making it a promising tool for various related tasks. In this report, we explore the application of SAM in Weakly-Supervised Semantic Segmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Weixuan Sun , Zheyuan Liu , Yanhao Zhang , Yiran Zhong , Nick Barnes

Weakly-supervised semantic segmentation (WSSS) has recently gained much attention for its promise to train segmentation models only with image-level labels. Existing WSSS methods commonly argue that the sparse coverage of CAM incurs the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Minhyun Lee , Dongseob Kim , Hyunjung Shim

Accurate mapping of agricultural field boundaries is essential for the efficient operation of agriculture. Automatic extraction from high-resolution satellite imagery, supported by computer vision techniques, can avoid costly ground…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Carmelo Scribano , Elena Govi , Paolo Bertellini , Simone Parisi , Giorgia Franchini , Marko Bertogna

Traditionally, 3d indoor datasets have generally prioritized scale over ground-truth accuracy in order to obtain improved generalization. However, using these datasets to evaluate dense geometry tasks, such as depth rendering, can be…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 HyunJun Jung , Weihang Li , Shun-Cheng Wu , William Bittner , Nikolas Brasch , Jifei Song , Eduardo Pérez-Pellitero , Zhensong Zhang , Arthur Moreau , Nassir Navab , Benjamin Busam

Earth observation (EO) satellite missions have been providing detailed images about the state of the Earth and its land cover for over 50 years. Long term missions, such as NASA's Landsat, Terra, and Aqua satellites, and more recently, the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-27 Lynn Miller , Charlotte Pelletier , Geoffrey I. Webb

In the field of SLAM (Simultaneous Localization And Mapping) for robot navigation, mapping the environment is an important task. In this regard the Lidar sensor can produce near accurate 3D map of the environment in the format of point…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Aritra Mukherjee , Sourya Dipta Das , Jasorsi Ghosh , Ananda S. Chowdhury , Sanjoy Kumar Saha

The sea level observations from satellite altimetry are characterised by a sparse spatial and temporal coverage. For this reason, along-track data are routinely interpolated into daily grids. The latter are strongly smoothed in time and…

Atmospheric and Oceanic Physics · Physics 2023-03-22 Marcello Passaro , Marie-Christin Juhl

Unsupervised multimodal change detection is pivotal for time-sensitive tasks and comprehensive multi-temporal Earth monitoring. In this study, we explore unsupervised multimodal change detection between two key remote sensing data sources:…

Image and Video Processing · Electrical Eng. & Systems 2024-01-18 Hongruixuan Chen , Jian Song , Naoto Yokoya

Land-cover mapping is one of the vital applications in Earth observation, aiming at classifying each pixel's land-cover type of remote-sensing images. As natural and human activities change the landscape, the land-cover map needs to be…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Zhuohong Li , Fangxiao Lu , Jiaqi Zou , Lei Hu , Hongyan Zhang

We present SAM-H and WOFTSAM, novel planar trackers that combine robust long-term segmentation tracking provided by SAM 2 with 8 degrees-of-freedom homography pose estimation. SAM-H estimates homographies from segmentation mask contours and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Jonas Serych , Jiri Matas

A robust visual localization and mapping system is essential for warehouse robot navigation, as cameras offer a more cost-effective alternative to LiDAR sensors. However, existing forward-facing camera systems often encounter challenges in…

Robotics · Computer Science 2025-04-17 Kuan Xu , Zheng Yang , Lihua Xie , Chen Wang

Segment Anything Model (SAM), a prompt-driven foundation model for natural image segmentation, has demonstrated impressive zero-shot performance. However, SAM does not work when directly applied to medical image segmentation, since SAM…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Bin Xie , Hao Tang , Bin Duan , Dawen Cai , Yan Yan , Gady Agam

Accurate vessel segmentation is critical for clinical applications such as disease diagnosis and surgical planning, yet remains challenging due to thin, branching structures and low texture contrast. While foundation models like the Segment…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Suzhong Fu , Rui Sun , Xuan Ding , Jingqi Dong , Yiming Yang , Yao Zhu , Min Chang Jordan Ren , Delin Deng , Angelica Aviles-Rivero , Shuguang Cui , Zhen Li

Document image segmentation is crucial for document analysis and recognition but remains challenging due to the diversity of document formats and segmentation tasks. Existing methods often address these tasks separately, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Xiao-Hui Li , Fei Yin , Cheng-Lin Liu