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Related papers: Emergent Open-Vocabulary Semantic Segmentation fro…

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Open-vocabulary segmentation aims to identify and segment specific regions and objects based on text-based descriptions. A common solution is to leverage powerful vision-language models (VLMs), such as CLIP, to bridge the gap between vision…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Bingyu Li , Da Zhang , Zhiyuan Zhao , Junyu Gao , Xuelong Li

Existing object detection methods are bounded in a fixed-set vocabulary by costly labeled data. When dealing with novel categories, the model has to be retrained with more bounding box annotations. Natural language supervision is an…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Chuang Lin , Peize Sun , Yi Jiang , Ping Luo , Lizhen Qu , Gholamreza Haffari , Zehuan Yuan , Jianfei Cai

Scaling up the vocabulary of semantic segmentation models is extremely challenging because annotating large-scale mask labels is labour-intensive and time-consuming. Recently, language-guided segmentation models have been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Haojun Yu , Di Dai , Ziwei Zhao , Di He , Han Hu , Liwei Wang

This paper studies open-vocabulary segmentation (OVS) through calibrating in-vocabulary and domain-biased embedding space with generalized contextual prior of CLIP. As the core of open-vocabulary understanding, alignment of visual content…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Yong Liu , Sule Bai , Guanbin Li , Yitong Wang , Yansong Tang

CLIP, as a vision-language model, has significantly advanced Open-Vocabulary Semantic Segmentation (OVSS) with its zero-shot capabilities. Despite its success, its application to OVSS faces challenges due to its initial image-level…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Tong Shao , Zhuotao Tian , Hang Zhao , Jingyong Su

Audio-Visual Segmentation (AVS) aims to precisely outline audible objects in a visual scene at the pixel level. Existing AVS methods require fine-grained annotations of audio-mask pairs in supervised learning fashion. This limits their…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Swapnil Bhosale , Haosen Yang , Diptesh Kanojia , Xiatian Zhu

Open-vocabulary semantic segmentation (OVSS) is fundamentally hampered by the coarse, image-level representations of CLIP, which lack precise pixel-level details. Existing training-free methods attempt to resolve this by either importing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Ziquan Liu , Zhewei Zhu , Xuyang Shi

Vision-Language Model (VLM) have gained widespread adoption in Open-Vocabulary (OV) object detection and segmentation tasks. Despite they have shown promise on OV-related tasks, their effectiveness in conventional vision tasks has thus far…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Yongchao Feng , Yajie Liu , Shuai Yang , Wenrui Cai , Jinqing Zhang , Qiqi Zhan , Ziyue Huang , Hongxi Yan , Qiao Wan , Chenguang Liu , Junzhe Wang , Jiahui Lv , Ziqi Liu , Tengyuan Shi , Qingjie Liu , Yunhong Wang

Recently, the contrastive language-image pre-training, e.g., CLIP, has demonstrated promising results on various downstream tasks. The pre-trained model can capture enriched visual concepts for images by learning from a large scale of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Huaishao Luo , Junwei Bao , Youzheng Wu , Xiaodong He , Tianrui Li

Recently, deep learning based methods have revolutionized remote sensing image segmentation. However, these methods usually rely on a pre-defined semantic class set, thus needing additional image annotation and model training when adapting…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Chengyang Ye , Yunzhi Zhuge , Pingping Zhang

Semantic segmentation of 3D point cloud scenes is a crucial task for various applications. In real-world scenarios, training segmentation models often faces three concurrent forms of data insufficiency: scarcity of training scenes, scarcity…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Takahiko Furuya

Open-world referring segmentation requires grounding unconstrained language expressions to precise pixel-level regions. Existing multimodal large language models (MLLMs) exhibit strong open-world visual grounding, but their outputs remain…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Yuan Yao , Qiushi Yang , Humen Zhong , Jiangning Wei , Yifang Men , Shuai Bai , Miaomiao Cui , Zhibo Yang

Semantic segmentation of remote sensing (RS) images is pivotal for comprehensive Earth observation, but the demand for interpreting new object categories, coupled with the high expense of manual annotation, poses significant challenges.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Kaiyu Li , Xiangyong Cao , Ruixun Liu , Shihong Wang , Zixuan Jiang , Zhi Wang , Deyu Meng

Open-vocabulary semantic segmentation (OVSS) is an open-world task that aims to assign each pixel within an image to a specific class defined by arbitrary text descriptions. While large-scale vision-language models have shown remarkable…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Lin Chen , Qi Yang , Kun Ding , Zhihao Li , Gang Shen , Fei Li , Qiyuan Cao , Shiming Xiang

Online construction of open-ended language scenes is crucial for robotic applications, where open-vocabulary interactive scene understanding is required. Recently, neural implicit representation has provided a promising direction for online…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Muer Tie , Julong Wei , Zhengjun Wang , Ke Wu , Shansuai Yuan , Kaizhao Zhang , Jie Jia , Jieru Zhao , Zhongxue Gan , Wenchao Ding

Large-scale pretrained vision backbones have transformed computer vision by providing powerful feature extractors that enable various downstream tasks, including training-free approaches like visual prompting for semantic segmentation.…

Large-scale vision-language models like CLIP have demonstrated impressive open-vocabulary capabilities for image-level tasks, excelling in recognizing what objects are present. However, they struggle with pixel-level recognition tasks like…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Heeseong Shin , Chaehyun Kim , Sunghwan Hong , Seokju Cho , Anurag Arnab , Paul Hongsuck Seo , Seungryong Kim

In this paper, we introduce an open-vocabulary panoptic segmentation model that effectively unifies the strengths of the Segment Anything Model (SAM) with the vision-language CLIP model in an end-to-end framework. While SAM excels in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Vibashan VS , Shubhankar Borse , Hyojin Park , Debasmit Das , Vishal Patel , Munawar Hayat , Fatih Porikli

We propose OpenVoxel, a training-free algorithm for grouping and captioning sparse voxels for the open-vocabulary 3D scene understanding tasks. Given the sparse voxel rasterization (SVR) model obtained from multi-view images of a 3D scene,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Sheng-Yu Huang , Jaesung Choe , Yu-Chiang Frank Wang , Cheng Sun

We present lazy visual grounding, a two-stage approach of unsupervised object mask discovery followed by object grounding, for open-vocabulary semantic segmentation. Plenty of the previous art casts this task as pixel-to-text classification…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Dahyun Kang , Minsu Cho