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Related papers: 3D-GRES: Generalized 3D Referring Expression Segme…

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We propose spatial semantic embedding network (SSEN), a simple, yet efficient algorithm for 3D instance segmentation using deep metric learning. The raw 3D reconstruction of an indoor environment suffers from occlusions, noise, and is…

Computer Vision and Pattern Recognition · Computer Science 2020-07-08 Dongsu Zhang , Junha Chun , Sang Kyun Cha , Young Min Kim

3D referring segmentation is an emerging and challenging vision-language task that aims to segment the object described by a natural language expression in a point cloud scene. The key challenge behind this task is vision-language feature…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Shuting He , Henghui Ding

The recent development in multimodal learning has greatly advanced the research in 3D scene understanding in various real-world tasks such as embodied AI. However, most existing studies are facing two common challenges: 1) they are short of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Xueying Jiang , Lewei Lu , Ling Shao , Shijian Lu

One of the main obstacles to 3D semantic segmentation is the significant amount of endeavor required to generate expensive point-wise annotations for fully supervised training. To alleviate manual efforts, we propose GIDSeg, a novel…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Peng Yin , Lingyun Xu , Jianmin Ji , Sebastian Scherer , Howie Choset

Segmenting an entire 3D image often has high computational complexity and requires large memory consumption; by contrast, performing volumetric segmentation in a slice-by-slice manner is efficient but does not fully leverage the 3D data. To…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Rutu Gandhi , Yi Hong

Text-to-image retrieval (TIR) aims to find relevant images based on a textual query, but existing approaches are primarily based on whole-image captions and lack interpretability. Meanwhile, referring expression segmentation (RES) enables…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Li-Cheng Shen , Jih-Kang Hsieh , Wei-Hua Li , Chu-Song Chen

Reference Expression Segmentation (RES) aims to segment image regions specified by referring expressions and has become popular with the rise of multimodal large models (MLLMs). While MLLMs excel in semantic understanding, their…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Jingchao Wang , Zhijian Wu , Dingjiang Huang , Yefeng Zheng , Hong Wang

The objective of Classic Referring Expression Comprehension (REC) is to produce a bounding box corresponding to the object mentioned in a given textual description. Commonly, existing datasets and techniques in classic REC are tailored for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Shuting He , Henghui Ding , Chang Liu , Xudong Jiang

Referring video object segmentation aims to segment the object referred by a given language expression. Existing works typically require compressed video bitstream to be decoded to RGB frames before being segmented, which increases…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Weidong Chen , Dexiang Hong , Yuankai Qi , Zhenjun Han , Shuhui Wang , Laiyun Qing , Qingming Huang , Guorong Li

We introduce Open3DIS, a novel solution designed to tackle the problem of Open-Vocabulary Instance Segmentation within 3D scenes. Objects within 3D environments exhibit diverse shapes, scales, and colors, making precise instance-level…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Phuc D. A. Nguyen , Tuan Duc Ngo , Evangelos Kalogerakis , Chuang Gan , Anh Tran , Cuong Pham , Khoi Nguyen

Previous top-performing methods for 3D instance segmentation often maintain inter-task dependencies and the tendency towards a lack of robustness. Besides, inevitable variations of different datasets make these methods become particularly…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Jiaheng Liu , Tong He , Honghui Yang , Rui Su , Jiayi Tian , Junran Wu , Hongcheng Guo , Ke Xu , Wanli Ouyang

Reconstructing dynamic scenes with multiple interacting humans and objects from sparse-view inputs is a critical yet challenging task, essential for creating high-fidelity digital twins for robotics and VR/AR. This problem, which we term…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Weiquan Wang , Jun Xiao , Feifei Shao , Yi Yang , Yueting Zhuang , Long Chen

We propose an interactive approach for 3D instance segmentation, where users can iteratively collaborate with a deep learning model to segment objects in a 3D point cloud directly. Current methods for 3D instance segmentation are generally…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Theodora Kontogianni , Ekin Celikkan , Siyu Tang , Konrad Schindler

We introduce 3D-SIS, a novel neural network architecture for 3D semantic instance segmentation in commodity RGB-D scans. The core idea of our method is to jointly learn from both geometric and color signal, thus enabling accurate instance…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Ji Hou , Angela Dai , Matthias Nießner

Referring Image Segmentation (RIS) aims at segmenting the target object from an image referred by one given natural language expression. The diverse and flexible expressions as well as complex visual contents in the images raise the RIS…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Yang Jiao , Zequn Jie , Weixin Luo , Jingjing Chen , Yu-Gang Jiang , Xiaolin Wei , Lin Ma

We present REM, a framework for segmenting a wide range of concepts in video that can be described through natural language. Our method leverages the universal visual-language mapping learned by video diffusion models on Internet-scale data…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Anurag Bagchi , Zhipeng Bao , Yu-Xiong Wang , Pavel Tokmakov , Martial Hebert

Dialogue-Based Generalized Referring Expression Comprehension (GREC) requires models to ground the expression and unlimited targets in complex visual scenes while resolving coreference across a long dialogue context. However, existing…

Computation and Language · Computer Science 2026-04-28 Juexi Shao , Siyou Li , Yujian Gan , Chris Madge , Vanja Karan , Massimo Poesio

Referring expression segmentation is a fundamental task in computer vision that integrates natural language understanding with precise visual localization of target regions. Considering aerial imagery (e.g., modern aerial photos collected…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Luís Marnoto , Alexandre Bernardino , Bruno Martins

Referring expression segmentation (RES), a task that involves localizing specific instance-level objects based on free-form linguistic descriptions, has emerged as a crucial frontier in human-AI interaction. It demands an intricate…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Ying Zang , Chenglong Fu , Runlong Cao , Didi Zhu , Min Zhang , Wenjun Hu , Lanyun Zhu , Tianrun Chen

Referring Image Segmentation (RIS) - the problem of identifying objects in images through natural language sentences - is a challenging task currently mostly solved through supervised learning. However, while collecting referred annotation…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Francisco Eiras , Kemal Oksuz , Adel Bibi , Philip H. S. Torr , Puneet K. Dokania