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Related papers: Open-Vocabulary Semantic Segmentation with Image E…

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Pretrained vision-language models (VLMs), \eg CLIP, are increasingly used to bridge the gap between open- and close-vocabulary recognition in open-vocabulary image segmentation. As VLMs are generally pretrained with low-resolution images…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Yuanbing Zhu , Bingke Zhu , Yingying Chen , Yunfang Niu , Ming Tang , Jinqiao Wang

Traditional transformer-based semantic segmentation relies on quantized embeddings. However, our analysis reveals that autoencoder accuracy on segmentation mask using quantized embeddings (e.g. VQ-VAE) is 8% lower than continuous-valued…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Masud Ahmed , Zahid Hasan , Syed Arefinul Haque , Abu Zaher Md Faridee , Sanjay Purushotham , Suya You , Nirmalya Roy

Vision-language models such as CLIP have boosted the performance of open-vocabulary object detection, where the detector is trained on base categories but required to detect novel categories. Existing methods leverage CLIP's strong…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Cheng Shi , Sibei Yang

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…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Xiaobo Yang , Xiaojin Gong

Weakly supervised semantic segmentation (WSSS) with image-level labels is a challenging task. Mainstream approaches follow a multi-stage framework and suffer from high training costs. In this paper, we explore the potential of Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yuqi Lin , Minghao Chen , Wenxiao Wang , Boxi Wu , Ke Li , Binbin Lin , Haifeng Liu , Xiaofei He

The pre-trained text-image discriminative models, such as CLIP, has been explored for open-vocabulary semantic segmentation with unsatisfactory results due to the loss of crucial localization information and awareness of object shapes.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Jinglong Wang , Xiawei Li , Jing Zhang , Qingyuan Xu , Qin Zhou , Qian Yu , Lu Sheng , Dong Xu

The pre-trained vision-language model, exemplified by CLIP, advances zero-shot semantic segmentation by aligning visual features with class embeddings through a transformer decoder to generate semantic masks. Despite its effectiveness,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Zicheng Zhang , Tong Zhang , Yi Zhu , Jianzhuang Liu , Xiaodan Liang , QiXiang Ye , Wei Ke

Open-vocabulary instance segmentation aims at segmenting novel classes without mask annotations. It is an important step toward reducing laborious human supervision. Most existing works first pretrain a model on captioned images covering…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Dat Huynh , Jason Kuen , Zhe Lin , Jiuxiang Gu , Ehsan Elhamifar

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

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

Models that bridge vision and language, such as CLIP, are key components of multimodal AI, yet their large-scale, uncurated training data introduce severe social and spurious biases. Existing post-hoc debiasing methods often operate…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Quentin Guimard , Federico Bartsch , Simone Caldarella , Rahaf Aljundi , Elisa Ricci , Massimiliano Mancini

Open-vocabulary semantic segmentation in the remote sensing (RS) field requires both language-aligned recognition and fine-grained spatial delineation. Although CLIP offers robust semantic generalization, its global-aligned visual…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Jie Feng , Fengze Li , Junpeng Zhang , Siyu Chen , Yuping Liang , Junying Chen , Ronghua Shang

Numerous examples in the literature proved that deep learning models have the ability to work well with multimodal data. Recently, CLIP has enabled deep learning systems to learn shared latent spaces between images and text descriptions,…

While large language-image pre-trained models like CLIP offer powerful generic features for image clustering, existing methods typically freeze the encoder. This creates a fundamental mismatch between the model's task-agnostic…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zihan Li , Wei Sun , Jing Hu , Jianhua Yin , Jianlong Wu , Liqiang Nie

Open-vocabulary semantic segmentation aims to assign semantic labels to each pixel without being constrained by a predefined set of categories. While Contrastive Language-Image Pre-training (CLIP) excels in zero-shot classification, it…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Dengke Zhang , Fagui Liu , Quan Tang

Cross-modal alignment is a crucial task in multimodal learning aimed at achieving semantic consistency between vision and language. This requires that image-text pairs exhibit similar semantics. Traditional algorithms pursue embedding…

Machine Learning · Computer Science 2026-03-09 Xiang Ma , Lexin Fang , Litian Xu , Caiming Zhang

Recent mask proposal models have significantly improved the performance of zero-shot semantic segmentation. However, the use of a `background' embedding during training in these methods is problematic as the resulting model tends to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Son Duy Dao , Hengcan Shi , Dinh Phung , Jianfei Cai

Semantic segmentation is one of the most fundamental tasks in image understanding with a long history of research, and subsequently a myriad of different approaches. Traditional methods strive to train models up from scratch, requiring vast…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Naomi Kombol , Ivan Martinović , Siniša Šegvić

This paper describes our zero-shot approaches for the Visual Word Sense Disambiguation (VWSD) Task in English. Our preliminary study shows that the simple approach of matching candidate images with the phrase using CLIP suffers from the…

Computation and Language · Computer Science 2023-07-13 Jie S. Li , Yow-Ting Shiue , Yong-Siang Shih , Jonas Geiping

Recently, the open-vocabulary semantic segmentation problem has attracted increasing attention and the best performing methods are based on two-stream networks: one stream for proposal mask generation and the other for segment…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Cong Han , Yujie Zhong , Dengjie Li , Kai Han , Lin Ma