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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…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Bin Xie , Jiale Cao , Jin Xie , Fahad Shahbaz Khan , Yanwei Pang

This work presents a tuning-free semantic segmentation framework based on classifying SAM masks by CLIP, which is universally applicable to various types of supervision. Initially, we utilize CLIP's zero-shot classification ability to…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Xiaobo Yang , Xiaojin Gong

The large-scale pretrained model CLIP, trained on 400 million image-text pairs, offers a promising paradigm for tackling vision tasks, albeit at the image level. Later works, such as DenseCLIP and LSeg, extend this paradigm to dense…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Ke Jin , Wankou Yang

Unlike closed-vocabulary 3D instance segmentation that is often trained end-to-end, open-vocabulary 3D instance segmentation (OV-3DIS) often leverages vision-language models (VLMs) to generate 3D instance proposals and classify them. While…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Sanghun Jung , Jingjing Zheng , Ke Zhang , Nan Qiao , Albert Y. C. Chen , Lu Xia , Chi Liu , Yuyin Sun , Xiao Zeng , Hsiang-Wei Huang , Byron Boots , Min Sun , Cheng-Hao Kuo

Large-scale vision-language models (VLMs), trained on extensive datasets of image-text pairs, exhibit strong multimodal understanding capabilities by implicitly learning associations between textual descriptions and image regions. This…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Mir Rayat Imtiaz Hossain , Mennatullah Siam , Leonid Sigal , James J. Little

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)…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Jiho Choi , Seonho Lee , Minhyun Lee , Seungho Lee , Hyunjung Shim

Scene text recognition is an important and challenging task in computer vision. However, most prior works focus on recognizing pre-defined words, while there are various out-of-vocabulary (OOV) words in real-world applications. In this…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Xuhua Ren , Hengcan Shi , Jin Li

Image Captioning for state-of-the-art VLMs has significantly improved over time; however, this comes at the cost of increased computational complexity, making them less accessible for resource-constrained applications such as mobile devices…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Sania Waheed , Na Min An

Open-vocabulary semantic segmentation enables models to identify novel object categories beyond their training data. While this flexibility represents a significant advancement, current approaches still rely on manually specified class…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Klara Reichard , Giulia Rizzoli , Stefano Gasperini , Lukas Hoyer , Pietro Zanuttigh , Nassir Navab , Federico Tombari

Pre-trained vision-language (V-L) models such as CLIP have shown excellent performance in many downstream cross-modal tasks. However, most of them are only applicable to the English context. Subsequent research has focused on this problem…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Wenbo Zhang , Yifan Zhang , Jianfeng Lin , Binqiang Huang , Jinlu Zhang , Wenhao Yu

Open-vocabulary Video Instance Segmentation (OpenVIS) can simultaneously detect, segment, and track arbitrary object categories in a video, without being constrained to categories seen during training. In this work, we propose InstFormer, a…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Pinxue Guo , Tony Huang , Peiyang He , Xuefeng Liu , Tianjun Xiao , Zhaoyu Chen , Wenqiang Zhang

Open-vocabulary object detection (OVOD) enables models to recognize objects beyond predefined categories, but existing approaches remain limited in practical deployment. On the one hand, multimodal designs often incur substantial…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Siheng Wang , Yanshu Li , Bohan Hu , Zhengdao Li , Haibo Zhan , Linshan Li , Weiming Liu , Ruizhi Qian , Guangxin Wu , Hao Zhang , Jifeng Shen , Piotr Koniusz , Zhengtao Yao , Junhao Dong , Qiang Sun

Contrastive vision-language models, such as CLIP, have demonstrated excellent zero-shot capability across semantic recognition tasks, mainly attributed to the training on a large-scale I&1T (one Image with one Text) dataset. This kind of…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Zhichao Yang , Leida Li , Pengfei Chen , Jinjian Wu , Giuseppe Valenzise

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…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Nafis Sadeq , Qingfeng Liu , Mostafa El-Khamy

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…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Hongwei Niu , Jie Hu , Jianghang Lin , Guannan Jiang , Shengchuan Zhang

Prompt-OVD is an efficient and effective framework for open-vocabulary object detection that utilizes class embeddings from CLIP as prompts, guiding the Transformer decoder to detect objects in both base and novel classes. Additionally, our…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Hwanjun Song , Jihwan Bang

We introduce NOVIC, an innovative real-time uNconstrained Open Vocabulary Image Classifier that uses an autoregressive transformer to generatively output classification labels as language. Leveraging the extensive knowledge of CLIP models,…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Philipp Allgeuer , Kyra Ahrens , Stefan Wermter

Fine-tuning pre-trained vision-language models has emerged as a powerful approach for enhancing open-vocabulary semantic segmentation (OVSS). However, the substantial computational and resource demands associated with training on large…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Qi Chen , Lingxiao Yang , Yun Chen , Nailong Zhao , Jianhuang Lai , Jie Shao , Xiaohua Xie

As the most fundamental scene understanding tasks, object detection and segmentation have made tremendous progress in deep learning era. Due to the expensive manual labeling cost, the annotated categories in existing datasets are often…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Chaoyang Zhu , Long Chen

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…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Zelin Peng , Zhengqin Xu , Zhilin Zeng , Yaoming Wang , Wei Shen