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The development of Neural Radiance Fields (NeRFs) has provided a potent representation for encapsulating the geometric and appearance characteristics of 3D scenes. Enhancing the capabilities of NeRFs in open-vocabulary 3D semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Guibiao Liao , Kaichen Zhou , Zhenyu Bao , Kanglin Liu , Qing Li

Semantic segmentation is fundamental to vision systems requiring pixel-level scene understanding, yet deploying it on resource-constrained devices demands efficient architectures. Although existing methods achieve real-time inference…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Shi-Chen Zhang , Yunheng Li , Yu-Huan Wu , Qibin Hou , Ming-Ming Cheng

We present Ov3R, a novel framework for open-vocabulary semantic 3D reconstruction from RGB video streams, designed to advance Spatial AI. The system features two key components: CLIP3R, a CLIP-informed 3D reconstruction module that predicts…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Ziren Gong , Xiaohan Li , Fabio Tosi , Jiawei Han , Stefano Mattoccia , Jianfei Cai , Matteo Poggi

In semi-supervised semantic segmentation, existing studies have shown promising results in academic settings with controlled splits of benchmark datasets. However, the potential benefits of leveraging significantly larger sets of unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Wooseok Shin , Jisu Kang , Hyeonki Jeong , Jin Sob Kim , Sung Won Han

Continual segmentation has not yet tackled the challenge of improving open-vocabulary segmentation models with training data for accurate segmentation across large, continually expanding vocabularies. We discover that traditional continual…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Zhongrui Gui , Shuyang Sun , Runjia Li , Jianhao Yuan , Zhaochong An , Karsten Roth , Ameya Prabhu , Philip Torr

Visual speech recognition (VSR), also known as lip reading, is the task of recognizing speech from silent video. Despite significant advancements in VSR over recent decades, most existing methods pay limited attention to real-world visual…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Tianyue Wang , Shuang Yang , Shiguang Shan , Xilin Chen

Open vocabulary object detection has been greatly advanced by the recent development of vision-language pretrained model, which helps recognize novel objects with only semantic categories. The prior works mainly focus on knowledge…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Tao Wang , Nan Li

3D panoptic segmentation is a challenging perception task, especially in autonomous driving. It aims to predict both semantic and instance annotations for 3D points in a scene. Although prior 3D panoptic segmentation approaches have…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Zihao Xiao , Longlong Jing , Shangxuan Wu , Alex Zihao Zhu , Jingwei Ji , Chiyu Max Jiang , Wei-Chih Hung , Thomas Funkhouser , Weicheng Kuo , Anelia Angelova , Yin Zhou , Shiwei Sheng

We introduce a method that allows to automatically segment images into semantically meaningful regions without human supervision. Derived regions are consistent across different images and coincide with human-defined semantic classes on…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Daniil Pakhomov , Sanchit Hira , Narayani Wagle , Kemar E. Green , Nassir Navab

This paper describes a fast and accurate semantic image segmentation approach that encodes not only the discriminative features from deep neural networks, but also the high-order context compatibility among adjacent objects as well as low…

Computer Vision and Pattern Recognition · Computer Science 2016-05-16 Falong Shen , Gang Zeng

Recent vision-language models excel at large-scale image-text alignment but often neglect the compositional structure of language, leading to failures on tasks that hinge on word order and predicate-argument structure. We introduce…

Computation and Language · Computer Science 2025-09-26 Kin Ian Lo , Hala Hawashin , Mina Abbaszadeh , Tilen Limback-Stokin , Hadi Wazni , Mehrnoosh Sadrzadeh

Vision-language models, such as CLIP, have achieved significant success in aligning visual and textual representations, becoming essential components of many multi-modal large language models (MLLMs) like LLaVA and OpenFlamingo. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Shizhan Gong , Yankai Jiang , Qi Dou , Farzan Farnia

Multi-label recognition with partial labels (MLR-PL), in which only some labels are known while others are unknown for each image, is a practical task in computer vision, since collecting large-scale and complete multi-label datasets is…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Haoxian Ruan , Zhihua Xu , Zhijing Yang , Yongyi Lu , Jinghui Qin , Tianshui Chen

To ease the difficulty of acquiring annotation labels in 3D data, a common method is using unsupervised and open-vocabulary semantic segmentation, which leverage 2D CLIP semantic knowledge. In this paper, unlike previous research that…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Fuyang Yu , Runze Tian , Zhen Wang , Xiaochuan Wang , Xiaohui Liang

Vision-language models such as CLIP are capable of mapping the different modality data into a unified feature space, enabling zero/few-shot inference by measuring the similarity of given images and texts. However, most existing methods…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Xingyu Zhu , Beier Zhu , Yi Tan , Shuo Wang , Yanbin Hao , Hanwang Zhang

We present ODISE: Open-vocabulary DIffusion-based panoptic SEgmentation, which unifies pre-trained text-image diffusion and discriminative models to perform open-vocabulary panoptic segmentation. Text-to-image diffusion models have the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Jiarui Xu , Sifei Liu , Arash Vahdat , Wonmin Byeon , Xiaolong Wang , Shalini De Mello

Self-supervised vision-language models trained with contrastive objectives form the basis of current state-of-the-art methods in AI vision tasks. The success of these models is a direct consequence of the huge web-scale datasets used to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Victor Akinwande , Mohammad Sadegh Norouzzadeh , Devin Willmott , Anna Bair , Madan Ravi Ganesh , J. Zico Kolter

In recent years, text-to-video retrieval methods based on CLIP have experienced rapid development. The primary direction of evolution is to exploit the much wider gamut of visual and textual cues to achieve alignment. Concretely, those…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Kaibin Tian , Yanhua Cheng , Yi Liu , Xinglin Hou , Quan Chen , Han Li

Open-Vocabulary Segmentation (OVS) aims to segment image regions beyond predefined category sets by leveraging semantic descriptions. While CLIP based approaches excel in semantic generalization, they frequently lack the fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Haoxi Zeng , Qiankun Liu , Yi Bin , Haiyue Zhang , Yujuan Ding , Guoqing Wang , Deqiang Ouyang , Heng Tao Shen

This research explores the development of multimodal vision-language models for image retrieval in low-resource languages, specifically Azerbaijani. Existing vision-language models primarily support high-resource languages, and fine-tuning…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Ali Asgarov , Samir Rustamov