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Related papers: BLO-Inst: Bi-Level Optimization Based Alignment of…

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Uncertainty quantification in PDE inverse problems is essential in many applications. Scientific machine learning and AI enable data-driven learning of model components while preserving physical structure, and provide the scalability and…

Machine Learning · Computer Science 2026-01-12 Ray Zirui Zhang , Christopher E. Miles , Xiaohui Xie , John S. Lowengrub

Open-set image segmentation poses a significant challenge because existing methods often demand extensive training or fine-tuning and generally struggle to segment unified objects consistently across diverse text reference expressions.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Zhihua Liu , Amrutha Saseendran , Lei Tong , Xilin He , Fariba Yousefi , Nikolay Burlutskiy , Dino Oglic , Tom Diethe , Philip Teare , Huiyu Zhou , Chen Jin

Currently, deep learning-based instance segmentation for various applications (e.g., Agriculture) is predominantly performed using a labor-intensive process involving extensive field data collection using sophisticated sensors, followed by…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Ranjan Sapkota , Achyut Paudel , Manoj Karkee

Bilevel optimization (BLO) problem, where two optimization problems (referred to as upper- and lower-level problems) are coupled hierarchically, has wide applications in areas such as machine learning and operations research. Recently, many…

Optimization and Control · Mathematics 2025-05-19 Xiaotian Jiang , Ioannis Tsaknakis , Prashant Khanduri , Mingyi Hong

Segment Anything Model (SAM) represents a large-scale segmentation model that enables powerful zero-shot capabilities with flexible prompts. While SAM can segment any object in zero-shot, it requires user-provided prompts for each target…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Kosuke Sakurai , Ryotaro Shimizu , Masayuki Goto

Purpose: Accurate wound segmentation is essential for automated DESIGN-R scoring. However, existing models such as FUSegNet, which are trained primarily on foot ulcer datasets, often fail to generalize to wounds on other body sites.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Yun-Cheng Tsai

Automated pavement monitoring using computer vision can analyze pavement conditions more efficiently and accurately than manual methods. Accurate segmentation is essential for quantifying the severity and extent of pavement defects and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Neema Jakisa Owor , Yaw Adu-Gyamfi , Armstrong Aboah , Mark Amo-Boateng

Drone-based target detection presents inherent challenges, such as the high density and overlap of targets in drone-based images, as well as the blurriness of targets under varying lighting conditions, which complicates identification.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Yuchen Zheng , Yuxin Jing , Jufeng Zhao , Guangmang Cui

We present a new version of YOLO with better performance and extended with instance segmentation called Poly-YOLO. Poly-YOLO builds on the original ideas of YOLOv3 and removes two of its weaknesses: a large amount of rewritten labels and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Petr Hurtik , Vojtech Molek , Jan Hula , Marek Vajgl , Pavel Vlasanek , Tomas Nejezchleba

Recent approaches have shown that training deep neural networks directly on large-scale image-text pair collections enables zero-shot transfer on various recognition tasks. One central issue is how this can be generalized to object…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Johnathan Xie , Shuai Zheng

The Segment Anything Model (SAM), a foundational model designed for promptable segmentation tasks, demonstrates exceptional generalization capabilities, making it highly promising for natural scene image segmentation. However, SAM's lack of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Linghao Zheng , Xinyang Pu , Feng Xu

Segmentation is central to clinical diagnosis and monitoring, yet the reliability of modern foundation models in medical imaging still depends on the availability of precise prompts. The Segment Anything Model (SAM) offers powerful…

Gradient-based Bi-Level Optimization (BLO) methods have been widely applied to handle modern learning tasks. However, most existing strategies are theoretically designed based on restrictive assumptions (e.g., convexity of the lower-level…

Machine Learning · Computer Science 2023-05-09 Risheng Liu , Xuan Liu , Shangzhi Zeng , Jin Zhang , Yixuan Zhang

In medical image segmentation, heterogeneous privacy policies across institutions often make joint training on pooled datasets infeasible, motivating continual image segmentation-learning from data streams without catastrophic forgetting.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Jiayi Wang , Wei Dai , Haoyu Wang , Sihan Yang , Haixia Bi , Jian Sun

Segment Anything Model (SAM) has demonstrated impressive zero-shot performance and brought a range of unexplored capabilities to natural image segmentation tasks. However, as a very important branch of image segmentation, the performance of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Bin Xie , Hao Tang , Dawen Cai , Yan Yan , Gady Agam

Large Language Models (LLMs) demonstrate strong capabilities in broad knowledge representation, yet they are inherently deficient in pixel-level perceptual understanding. Although the Segment Anything Model (SAM) represents a significant…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Hao Wang , Limeng Qiao , Zequn Jie , Zhijian Huang , Chengjian Feng , Qingfang Zheng , Lin Ma , Xiangyuan Lan , Xiaodan Liang

Vision foundation models like the Segment Anything Model (SAM), pretrained on large-scale natural image datasets, often struggle in medical image segmentation due to a lack of domain-specific adaptation. In clinical practice, fine-tuning…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Zelin Liu , Sicheng Dong , Bocheng Li , Yixuan Yang , Jiacheng Ruan , Chenxu Zhou , Suncheng Xiang

Amodal segmentation is a challenging task that aims to predict the complete geometric shape of objects, including their occluded regions. Although existing methods primarily focus on amodal segmentation within the training domain, these…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Bo Zhang , Zhuotao Tian , Xin Tao , Songlin Tang , Jun Yu , Wenjie Pei

Surface defects on Printed Circuit Boards (PCBs) directly compromise product reliability and safety. However, achieving high-precision detection is challenging because PCB defects are typically characterized by tiny sizes, high texture…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Meng Han

Zero-shot 6D object pose estimation involves the detection of novel objects with their 6D poses in cluttered scenes, presenting significant challenges for model generalizability. Fortunately, the recent Segment Anything Model (SAM) has…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Jiehong Lin , Lihua Liu , Dekun Lu , Kui Jia