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Related papers: WOW-Seg: A Word-free Open World Segmentation Model

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Open-vocabulary semantic segmentation enables models to segment objects or image regions beyond fixed class sets, offering flexibility in dynamic environments. However, existing methods often rely on single-view images and struggle with…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Thomas Campagnolo , Ezio Malis , Philippe Martinet , Gaétan Bahl

Open-Vocabulary Camouflaged Object Segmentation (OVCOS) seeks to segment and classify camouflaged objects from arbitrary categories, presenting unique challenges due to visual ambiguity and unseen categories.Recent approaches typically…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Kai Zhao , Wubang Yuan , Zheng Wang , Guanyi Li , Xiaoqiang Zhu , Deng-ping Fan , Dan Zeng

Prompt engineering has shown remarkable success with large language models, yet its systematic exploration in computer vision remains limited. In semantic segmentation, both textual and visual prompts offer distinct advantages: textual…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Gabriele Rosi , Fabio Cermelli

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

Semantic segmentation is a crucial task in computer vision, where each pixel in an image is classified into a category. However, traditional methods face significant challenges, including the need for pixel-level annotations and extensive…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yasufumi Kawano , Yoshimitsu Aoki

We present Seg-TTO, a novel framework for zero-shot, open-vocabulary semantic segmentation (OVSS), designed to excel in specialized domain tasks. While current open-vocabulary approaches show impressive performance on standard segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Ulindu De Silva , Didula Samaraweera , Sasini Wanigathunga , Kavindu Kariyawasam , Kanchana Ranasinghe , Muzammal Naseer , Ranga Rodrigo

Audio-visual semantic segmentation (AVSS) aims to segment and classify sounding objects in videos with acoustic cues. However, most approaches operate on the close-set assumption and only identify pre-defined categories from training data,…

Multimedia · Computer Science 2024-08-01 Ruohao Guo , Liao Qu , Dantong Niu , Yanyu Qi , Wenzhen Yue , Ji Shi , Bowei Xing , Xianghua Ying

Referring segmentation grounds natural-language queries to pixel-level masks, but extending it to complex scenarios with multiple instances, cross-category groups, or open-ended target sets remains challenging. Previous Large Vision…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zhixiong Zhang , Yizhuo Li , Shuangrui Ding , Yuhang Zang , Shengyuan Ding , Long Xing , Yibin Wang , Qiaosheng Zhang , Jiaqi Wang

Existing video instance segmentation (VIS) approaches generally follow a closed-world assumption, where only seen category instances are identified and spatio-temporally segmented at inference. Open-world formulation relaxes the close-world…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Omkar Thawakar , Sanath Narayan , Hisham Cholakkal , Rao Muhammad Anwer , Salman Khan , Jorma Laaksonen , Mubarak Shah , Fahad Shahbaz Khan

Open-vocabulary semantic segmentation aims to segment an image into semantic regions according to text descriptions, which may not have been seen during training. Recent two-stage methods first generate class-agnostic mask proposals and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Feng Liang , Bichen Wu , Xiaoliang Dai , Kunpeng Li , Yinan Zhao , Hang Zhang , Peizhao Zhang , Peter Vajda , Diana Marculescu

The open-vocabulary image segmentation task involves partitioning images into semantically meaningful segments and classifying them with flexible text-defined categories. The recent vision-based foundation models such as the Segment…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Xiaoqi Wang , Wenbin He , Xiwei Xuan , Clint Sebastian , Jorge Piazentin Ono , Xin Li , Sima Behpour , Thang Doan , Liang Gou , Han Wei Shen , Liu Ren

Semantic segmentation plays a crucial role in enabling machines to understand and interpret visual scenes at a pixel level. While traditional segmentation methods have achieved remarkable success, their generalization to diverse scenes and…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Philip Hughes , Larry Burns , Luke Adams

Fully supervised semantic segmentation learns from dense masks, which requires heavy annotation cost for closed set. In this paper, we use natural language as supervision without any pixel-level annotation for open world segmentation. We…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Yi Li , Huifeng Yao , Hualiang Wang , Xiaomeng Li

Despite weakly supervised object detection (WSOD) being a promising step toward evading strong instance-level annotations, its capability is confined to closed-set categories within a single training dataset. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Jianghang Lin , Yunhang Shen , Bingquan Wang , Shaohui Lin , Ke Li , Liujuan Cao

Open-vocabulary panoptic segmentation aims to segment and classify everything in diverse scenes across an unbounded vocabulary. Existing methods typically employ two-stage or single-stage framework. The two-stage framework involves cropping…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Hongwei Niu , Jie Hu , Jianghang Lin , Guannan Jiang , Shengchuan Zhang

Open-vocabulary semantic segmentation strives to distinguish pixels into different semantic groups from an open set of categories. Most existing methods explore utilizing pre-trained vision-language models, in which the key is to adopt the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Bin Xie , Jiale Cao , Jin Xie , Fahad Shahbaz Khan , Yanwei Pang

Visual-textual correlations in the attention maps derived from text-to-image diffusion models are proven beneficial to dense visual prediction tasks, e.g., semantic segmentation. However, a significant challenge arises due to the input…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Jiayi Lin , Jiabo Huang , Jian Hu , Shaogang Gong

Semantic segmentation aims to classify every pixel of an input image. Considering the difficulty of acquiring dense labels, researchers have recently been resorting to weak labels to alleviate the annotation burden of segmentation. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Yazhou Yao , Tao Chen , Guosen Xie , Chuanyi Zhang , Fumin Shen , Qi Wu , Zhenmin Tang , Jian Zhang

Semantic segmentation of city-scale point clouds is a critical technology for Unmanned Aerial Vehicle (UAV) perception systems, enabling the classification of 3D points without relying on any visual information to achieve comprehensive 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Jialei Xu , Zizhuang Wei , Weikang You , Linyun Li , Weijian Sun

Open-vocabulary image semantic segmentation (OVS) seeks to segment images into semantic regions across an open set of categories. Existing OVS methods commonly depend on foundational vision-language models and utilize similarity computation…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Qinglong Cao , Yuntian Chen , Chao Ma , Xiaokang Yang