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Open-vocabulary semantic segmentation (OVSS) extends traditional closed-set segmentation by enabling pixel-wise annotation for both seen and unseen categories using arbitrary textual descriptions. While existing methods leverage…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Junyang Chen , Xiangbo Lv , Zhiqiang Kou , Xingdong Sheng , Ning Xu , Yiguo Qiao

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

Microscopy image analysis often requires the segmentation of objects, but training data for this task is typically scarce and hard to obtain. Here we propose DenoiSeg, a new method that can be trained end-to-end on only a few annotated…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Tim-Oliver Buchholz , Mangal Prakash , Alexander Krull , Florian Jug

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

Incompletely-Supervised Concealed Object Segmentation (ISCOS) involves segmenting objects that seamlessly blend into their surrounding environments, utilizing incompletely annotated data, such as weak and semi-annotations, for model…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Chunming He , Kai Li , Yachao Zhang , Ziyun Yang , Youwei Pang , Longxiang Tang , Chengyu Fang , Yulun Zhang , Linghe Kong , Xiu Li , Sina Farsiu

Event cameras, known for low-latency operation and superior performance in challenging lighting conditions, are suitable for sensitive computer vision tasks such as semantic segmentation in autonomous driving. However, challenges arise due…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Muhammad Rameez Ur Rahman , Jhony H. Giraldo , Indro Spinelli , Stéphane Lathuilière , Fabio Galasso

Recent works on open-vocabulary 3D instance segmentation show strong promise, but at the cost of slow inference speed and high computation requirements. This high computation cost is typically due to their heavy reliance on 3D clip…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Mohamed El Amine Boudjoghra , Angela Dai , Jean Lahoud , Hisham Cholakkal , Rao Muhammad Anwer , Salman Khan , Fahad Shahbaz Khan

We design an open-vocabulary image segmentation model to organize an image into meaningful regions indicated by arbitrary texts. Recent works (CLIP and ALIGN), despite attaining impressive open-vocabulary classification accuracy with…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Golnaz Ghiasi , Xiuye Gu , Yin Cui , Tsung-Yi Lin

Open-vocabulary object detection (OVOD) aims to detect both seen and unseen categories, yet existing methods often struggle to generalize to novel objects due to limited integration of global and local contextual cues. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Soichiro Okazaki , Tatsuya Sasaki , Hiroki Ohashi

Compared to many other dense prediction tasks, e.g., semantic segmentation, it is the arbitrary number of instances that has made instance segmentation much more challenging. In order to predict a mask for each instance, mainstream…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Xinlong Wang , Rufeng Zhang , Chunhua Shen , Tao Kong , Lei Li

Pixel-wise segmentation of laparoscopic scenes is essential for computer-assisted surgery but difficult to scale due to the high cost of dense annotations. We propose depth-guided surgical scene segmentation (DepSeg), a training-free…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Kunyi Yang , Qingyu Wang , Cheng Yuan , Yutong Ban

3D scene understanding is fundamental for embodied AI and robotics, supporting reliable perception for interaction and navigation. Recent approaches achieve zero-shot, open-vocabulary 3D semantic mapping by assigning embedding vectors to 2D…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Mohamad Amin Mirzaei , Pantea Amoie , Ali Ekhterachian , Matin Mirzababaei , Babak Khalaj

Open-vocabulary semantic segmentation aims at segmenting arbitrary categories expressed in textual form. Previous works have trained over large amounts of image-caption pairs to enforce pixel-level multimodal alignments. However, captions…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Luca Barsellotti , Roberto Amoroso , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

Panoptic segmentation involves a combination of joint semantic segmentation and instance segmentation, where image contents are divided into two types: things and stuff. We present Panoptic SegFormer, a general framework for panoptic…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Zhiqi Li , Wenhai Wang , Enze Xie , Zhiding Yu , Anima Anandkumar , Jose M. Alvarez , Ping Luo , Tong Lu

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

Open-vocabulary segmentation is a challenging task requiring segmenting and recognizing objects from an open set of categories. One way to address this challenge is to leverage multi-modal models, such as CLIP, to provide image and text…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Qihang Yu , Ju He , Xueqing Deng , Xiaohui Shen , Liang-Chieh Chen

In the field of visual scene understanding, deep neural networks have made impressive advancements in various core tasks like segmentation, tracking, and detection. However, most approaches operate on the close-set assumption, meaning that…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Jianzong Wu , Xiangtai Li , Shilin Xu , Haobo Yuan , Henghui Ding , Yibo Yang , Xia Li , Jiangning Zhang , Yunhai Tong , Xudong Jiang , Bernard Ghanem , Dacheng Tao

In this work, we present SEEM, a promptable and interactive model for segmenting everything everywhere all at once in an image, as shown in Fig.1. In SEEM, we propose a novel decoding mechanism that enables diverse prompting for all types…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Xueyan Zou , Jianwei Yang , Hao Zhang , Feng Li , Linjie Li , Jianfeng Wang , Lijuan Wang , Jianfeng Gao , Yong Jae Lee

Existing instance segmentation models learn task-specific information using manual mask annotations from base (training) categories. These mask annotations require tremendous human effort, limiting the scalability to annotate novel (new)…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Vibashan VS , Ning Yu , Chen Xing , Can Qin , Mingfei Gao , Juan Carlos Niebles , Vishal M. Patel , Ran Xu

Semantic segmentation is a crucial task in computer vision that involves segmenting images into semantically meaningful regions at the pixel level. However, existing approaches often rely on expensive human annotations as supervision for…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Jun Chen , Deyao Zhu , Guocheng Qian , Bernard Ghanem , Zhicheng Yan , Chenchen Zhu , Fanyi Xiao , Mohamed Elhoseiny , Sean Chang Culatana