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Semantic segmentation-based methods have attracted extensive attention in oil spill detection from SAR images. However, the existing approaches require a large number of finely annotated segmentation samples in the training stage. To…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Wenhui Wu , Man Sing Wong , Xinyu Yu , Guoqiang Shi , Coco Yin Tung Kwok , Kang Zou

This paper addresses the challenging problem of open-vocabulary object detection (OVOD) where an object detector must identify both seen and unseen classes in test images without labeled examples of the unseen classes in training. A typical…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Chau Pham , Truong Vu , Khoi Nguyen

Change detection (CD) is a fundamental task in remote sensing (RS) which aims to detect the semantic changes between the same geographical regions at different time stamps. Existing convolutional neural networks (CNNs) based approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Mubashir Noman , Mustansar Fiaz , Hisham Cholakkal

Segment Anything Model (SAM) has gained significant recognition in the field of semantic segmentation due to its versatile capabilities and impressive performance. Despite its success, SAM faces two primary limitations: (1) it relies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Yuchen Li , Li Zhang , Youwei Liang , Pengtao Xie

Change detection (CD) from remote sensing (RS) images using deep learning has been widely investigated in the literature. It is typically regarded as a pixel-wise labeling task that aims to classify each pixel as changed or unchanged.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Weikang Yu , Xiaokang Zhang , Samiran Das , Xiao Xiang Zhu , Pedram Ghamisi

Multimodal 3D occupancy prediction has garnered significant attention for its potential in autonomous driving. However, most existing approaches are single-modality: camera-based methods lack depth information, while LiDAR-based methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Zaipeng Duan , Chenxu Dang , Xuzhong Hu , Pei An , Junfeng Ding , Jie Zhan , Yunbiao Xu , Jie Ma

Open-vocabulary semantic segmentation (OVSS) aims to segment objects from arbitrary text categories without requiring densely annotated datasets. Although contrastive learning based models enable zero-shot segmentation, they often lose fine…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Huy Che , Vinh-Tiep Nguyen

Open-vocabulary object detection (OVOD) aims to recognize novel objects whose categories are not included in the training set. In order to classify these unseen classes during training, many OVOD frameworks leverage the zero-shot capability…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Joonhyun Jeong , Geondo Park , Jayeon Yoo , Hyungsik Jung , Heesu Kim

Understanding 3D scenes semantically and spatially is crucial for the safe navigation of robots and autonomous vehicles, aiding obstacle avoidance and accurate trajectory planning. Camera-based 3D semantic occupancy prediction, which infers…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Junsu Kim , Junhee Lee , Ukcheol Shin , Jean Oh , Kyungdon Joo

Recently, large foundation models trained on vast datasets have demonstrated exceptional capabilities in feature extraction and general feature representation. The ongoing advancements in deep learning-driven large models have shown great…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Meiqi Hu , Lingzhi Lu , Chengxi Han , Xiaoping Liu

Vision-language modeling has enabled open-vocabulary tasks where predictions can be queried using any text prompt in a zero-shot manner. Existing open-vocabulary tasks focus on object classes, whereas research on object attributes is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 María A. Bravo , Sudhanshu Mittal , Simon Ging , Thomas Brox

Remote sensing image change captioning (RSICC) aims to articulate the changes in objects of interest within bi-temporal remote sensing images using natural language. Given the limitations of current RSICC methods in expressing general…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Yongshuo Zhu , Lu Li , Keyan Chen , Chenyang Liu , Fugen Zhou , Zhenwei Shi

In computer vision, object detection is an important task that finds its application in many scenarios. However, obtaining extensive labels can be challenging, especially in crowded scenes. Recently, the Segment Anything Model (SAM) has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Zhi Cai , Yingjie Gao , Yaoyan Zheng , Nan Zhou , Di Huang

Segmentation of indicated targets aids in the precise analysis of optical coherence tomography angiography (OCTA) samples. Existing segmentation methods typically perform on 2D projection targets, making it challenging to capture the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Xinrun Chen , Chengliang Wang , Haojian Ning , Mengzhan Zhang , Mei Shen , Shiying Li

In this work, we introduce OpenIns3D, a new 3D-input-only framework for 3D open-vocabulary scene understanding. The OpenIns3D framework employs a "Mask-Snap-Lookup" scheme. The "Mask" module learns class-agnostic mask proposals in 3D point…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Zhening Huang , Xiaoyang Wu , Xi Chen , Hengshuang Zhao , Lei Zhu , Joan Lasenby

Segment Anything Model 3 (SAM3) advances open-vocabulary segmentation through promptable concept segmentation, enabling users to segment all instances associated with a given concept using short noun-phrase (NP) prompts. While effective for…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Jingjing Li , Yue Feng , Yuchen Guo , Jincai Huang , Wei Ji , Qi Bi , Yongri Piao , Miao Zhang , Xiaoqi Zhao , Qiang Chen , Shihao Zou , Huchuan Lu , Li Cheng

In this paper, we study the problem of 3D object segmentation from raw point clouds. Unlike all existing methods which usually require a large amount of human annotations for full supervision, we propose the first unsupervised method,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Ziyang Song , Bo Yang

Open World Object Detection(OWOD) addresses realistic scenarios where unseen object classes emerge, enabling detectors trained on known classes to detect unknown objects and incrementally incorporate the knowledge they provide. While…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Sunoh Lee , Minsik Jeon , Jihong Min , Junwon Seo

Conventional object detectors typically operate under a closed-set assumption, limiting recognition to a predefined set of base classes seen during training. Open-vocabulary object detection (OVD) addresses this limitation by leveraging…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Sanghoon Lee , Geon Lee , Hyekang Park , Bumsub Ham

Segment Anything Model 2 (SAM2) has emerged as a strong base model in various pinhole imaging segmentation tasks. However, when applying it to $360^\circ$ domain, the significant field-of-view (FoV) gap between pinhole ($70^\circ \times…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Ding Zhong , Xu Zheng , Chenfei Liao , Yuanhuiyi Lyu , Jialei Chen , Shengyang Wu , Linfeng Zhang , Xuming Hu