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Interactive 3D point cloud segmentation enables efficient annotation of complex 3D scenes through user-guided prompts. However, current approaches are typically restricted in scope to a single domain (indoor or outdoor), and to a single…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Aniket Gupta , Hanhui Wang , Charles Saunders , Aruni RoyChowdhury , Hanumant Singh , Huaizu Jiang

Few-shot semantic segmentation has recently attracted great attention. The goal is to develop a model capable of segmenting unseen classes using only a few annotated samples. Most existing approaches adapt a pre-trained model by training…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Bernardo Forni , Gabriele Lombardi , Federico Pozzi , Mirco Planamente

Surgical image segmentation is highly challenging, primarily due to scarcity of annotated data. Generalist prompted segmentation models like the Segment-Anything Model (SAM) can help tackle this task, but because they require image-specific…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Aditya Murali , Farahdiba Zarin , Adrien Meyer , Pietro Mascagni , Didier Mutter , Nicolas Padoy

Recently, promptable segmentation models, such as the Segment Anything Model (SAM), have demonstrated robust zero-shot generalization capabilities on static images. These promptable models exhibit denoising abilities for imprecise prompt…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Tao Zhou , Wenhan Luo , Qi Ye , Zhiguo Shi , Jiming Chen

Recently, Segment Anything Model (SAM) has demonstrated strong generalizability in various instance segmentation tasks. However, its performance is severely dependent on the quality of manual prompts. In addition, the RGB images that…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Yihan Shang , Wei Wang , Chao Huang , Xinghui Dong

Segment Anything Model (SAM) is an advanced foundational model for image segmentation, which is gradually being applied to remote sensing images (RSIs). Due to the domain gap between RSIs and natural images, traditional methods typically…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Nanqing Liu , Xun Xu , Yongyi Su , Haojie Zhang , Heng-Chao Li

Segment Anything Model (SAM), known for its remarkable zero-shot segmentation capabilities, has garnered significant attention in the community. Nevertheless, its performance is challenged when dealing with what we refer to as visually…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Guangqian Guo , Pengfei Chen , Yong Guo , Huafeng Chen , Boqiang Zhang , Shan Gao

Graph anomaly detection (GAD), which aims to identify nodes in a graph that significantly deviate from normal patterns, plays a crucial role in broad application domains. However, existing GAD methods are one-model-for-one-dataset…

Machine Learning · Computer Science 2025-06-10 Chaoxi Niu , Hezhe Qiao , Changlu Chen , Ling Chen , Guansong Pang

Zero-shot anomaly classification (AC) and segmentation (AS) methods aim to identify and outline defects without using any labeled samples. In this paper, we reveal a key property that is overlooked by existing methods: normal image patches…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Xurui Li , Feng Xue , Yu Zhou

The emerging scale segmentation model, Segment Anything (SAM), exhibits impressive capabilities in zero-shot segmentation for natural images. However, when applied to medical images, SAM suffers from noticeable performance drop. To make SAM…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Xinrong Hu , Xiaowei Xu , Yiyu Shi

Visual anomaly detection is vital in real-world applications, such as industrial defect detection and medical diagnosis. However, most existing methods focus on local structural anomalies and fail to detect higher-level functional anomalies…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Yun Peng , Xiao Lin , Nachuan Ma , Jiayuan Du , Chuangwei Liu , Chengju Liu , Qijun Chen

Recently, proposal-free instance segmentation has received increasing attention due to its concise and efficient pipeline. Generally, proposal-free methods generate instance-agnostic semantic segmentation labels and instance-aware features…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Naiyu Gao , Yanhu Shan , Yupei Wang , Xin Zhao , Yinan Yu , Ming Yang , Kaiqi Huang

Most existing anomaly detection (AD) methods require a dedicated model for each category. Such a paradigm, despite its promising results, is computationally expensive and inefficient, thereby failing to meet the requirements for realworld…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Chaoqin Huang , Haoyan Guan , Aofan Jiang , Ya Zhang , Michael Spratling , Xinchao Wang , Yanfeng Wang

Few-shot segmentation (FSS) aims to segment objects of unseen classes given only a few annotated support images. Most existing methods simply stitch query features with independent support prototypes and segment the query image by feeding…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Kai Huang , Mingfei Cheng , Yang Wang , Bochen Wang , Ye Xi , Feigege Wang , Peng Chen

Semantic segmentation provides pixel-level scene understanding essential for autonomous driving and fine-grained perception tasks. However, training segmentation models requires costly, labor-intensive annotations on real-world datasets.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Yerin Cheon , Aruna Balasubramanian , Francois Rameau

Semantic Segmentation is one of the most challenging vision tasks, usually requiring large amounts of training data with expensive pixel level annotations. With the success of foundation models and especially vision-language models, recent…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Soroush Seifi , Daniel Olmeda Reino , Fabien Despinoy , Rahaf Aljundi

Unsupervised anomaly detection is a challenging task in industrial applications since it is impracticable to collect sufficient anomalous samples. In this paper, a novel Self-Supervised Guided Segmentation Framework (SGSF) is proposed by…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Peng Xing , Yanpeng Sun , Zechao Li

Recently, large vision model, Segment Anything Model (SAM), has revolutionized the computer vision field, especially for image segmentation. SAM presented a new promptable segmentation paradigm that exhibit its remarkable zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Chenglong Wang , Dexuan Li , Sucheng Wang , Chengxiu Zhang , Yida Wang , Yun Liu , Guang Yang

Most cross-domain unsupervised Video Anomaly Detection (VAD) works assume that at least few task-relevant target domain training data are available for adaptation from the source to the target domain. However, this requires laborious…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Abhishek Aich , Kuan-Chuan Peng , Amit K. Roy-Chowdhury

Although the current different types of SAM adaptation methods have achieved promising performance for various downstream tasks, such as prompt-based ones and adapter-based ones, most of them belong to the one-step adaptation paradigm. In…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Jinglong Yang , Yichen Wu , Jun Cen , Wenjian Huang , Hong Wang , Jianguo Zhang