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Prompt learning has become the most effective paradigm for adapting large pre-trained vision-language models (VLMs) to downstream tasks. Recently, unsupervised prompt tuning methods, such as UPL and POUF, directly leverage pseudo-labels as…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Sifan Long , Linbin Wang , Zhen Zhao , Zichang Tan , Yiming Wu , Shengsheng Wang , Jingdong Wang

Recently, the strong generalization ability of CLIP has facilitated open-vocabulary semantic segmentation, which labels pixels using arbitrary text. However, existing methods that fine-tune CLIP for segmentation on limited seen categories…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Muyao Yuan , Yuanhong Zhang , Weizhan Zhang , Lan Ma , Yuan Gao , Jiangyong Ying , Yudeng Xin

Open-vocabulary semantic segmentation presents the challenge of labeling each pixel within an image based on a wide range of text descriptions. In this work, we introduce a novel cost-based approach to adapt vision-language foundation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Seokju Cho , Heeseong Shin , Sunghwan Hong , Anurag Arnab , Paul Hongsuck Seo , Seungryong Kim

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

Existing concept customization methods have achieved remarkable outcomes in high-fidelity and multi-concept customization. However, they often neglect the influence on the original model's behavior and capabilities when learning new…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zhichao Liao , Xiaole Xian , Qingyu Li , Wenyu Qin , Meng Wang , Weicheng Xie , Siyang Song , Pingfa Feng , Long Zeng , Liang Pan

In semantic segmentation, generalizing a visual system to both seen categories and novel categories at inference time has always been practically valuable yet challenging. To enable such functionality, existing methods mainly rely on either…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Yuhuan Yang , Chaofan Ma , Chen Ju , Fei Zhang , Jiangchao Yao , Ya Zhang , Yanfeng Wang

Open-Vocabulary Part Segmentation (OVPS) is an emerging field for recognizing fine-grained parts in unseen categories. We identify two primary challenges in OVPS: (1) the difficulty in aligning part-level image-text correspondence, and (2)…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Jiho Choi , Seonho Lee , Minhyun Lee , Seungho Lee , Hyunjung Shim

Open-vocabulary semantic segmentation seeks to label each pixel in an image with arbitrary text descriptions. Vision-language foundation models, especially CLIP, have recently emerged as powerful tools for acquiring open-vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Zelin Peng , Zhengqin Xu , Zhilin Zeng , Yaoming Wang , Wei Shen

Most recent 3D instance segmentation methods are open vocabulary, offering a greater flexibility than closed-vocabulary methods. Yet, they are limited to reasoning within a specific set of concepts, \ie the vocabulary, prompted by the user…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Guofeng Mei , Luigi Riz , Yiming Wang , Fabio Poiesi

This paper presents DetCLIPv2, an efficient and scalable training framework that incorporates large-scale image-text pairs to achieve open-vocabulary object detection (OVD). Unlike previous OVD frameworks that typically rely on a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Lewei Yao , Jianhua Han , Xiaodan Liang , Dan Xu , Wei Zhang , Zhenguo Li , Hang Xu

Recently, a few open-vocabulary methods have been proposed by employing a unified architecture to tackle generic segmentation and detection tasks. However, their performance still lags behind the task-specific models due to the conflict…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Shuai Li , Minghan Li , Pengfei Wang , Lei Zhang

Recently, test-time adaptation has attracted wide interest in the context of vision-language models for image classification. However, to the best of our knowledge, the problem is completely overlooked in dense prediction tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Mehrdad Noori , David Osowiechi , Gustavo Adolfo Vargas Hakim , Ali Bahri , Moslem Yazdanpanah , Sahar Dastani , Farzad Beizaee , Ismail Ben Ayed , Christian Desrosiers

Open-vocabulary semantic segmentation is a challenging task, which requires the model to output semantic masks of an image beyond a close-set vocabulary. Although many efforts have been made to utilize powerful CLIP models to accomplish…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Xiangheng Shan , Dongyue Wu , Guilin Zhu , Yuanjie Shao , Nong Sang , Changxin Gao

Intelligent instruction-following robots capable of improving from autonomously collected experience have the potential to transform robot learning: instead of collecting costly teleoperated demonstration data, large-scale deployment of…

Robotics · Computer Science 2025-02-26 Zhiyuan Zhou , Pranav Atreya , Abraham Lee , Homer Walke , Oier Mees , Sergey Levine

Temporal Action Segmentation (TAS) requires dividing videos into action segments, yet the vast space of activities and alternative breakdowns makes collecting comprehensive datasets infeasible. Existing methods remain limited to closed…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Asim Unmesh , Kaki Ramesh , Mayank Patel , Rahul Jain , Karthik Ramani

Given an input image and set of class names, panoptic segmentation aims to label each pixel in an image with class labels and instance labels. In comparison, Open Vocabulary Panoptic Segmentation aims to facilitate the segmentation of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Nafis Sadeq , Qingfeng Liu , Mostafa El-Khamy

In the realm of food computing, segmenting ingredients from images poses substantial challenges due to the large intra-class variance among the same ingredients, the emergence of new ingredients, and the high annotation costs associated…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Xiongwei Wu , Sicheng Yu , Ee-Peng Lim , Chong-Wah Ngo

Reasoning Video Object Segmentation (ReasonVOS) is a challenging task that requires stable object segmentation across video sequences using implicit and complex textual inputs. Previous methods fine-tune Multimodal Large Language Models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zhengtong Zhu , Jiaqing Fan , Zhixuan Liu , Fanzhang Li

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

Recent advances in Vision Language Models (VLMs) and Vision Foundation Models (VFMs) have opened new opportunities for zero-shot text-guided segmentation of remote sensing imagery. However, most existing approaches still rely on additional…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Jose Sosa , Danila Rukhovich , Anis Kacem , Djamila Aouada