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Related papers: LOSC: LiDAR Open-voc Segmentation Consolidator

200 papers

Semantic segmentation of LiDAR point clouds is an important task in autonomous driving. However, training deep models via conventional supervised methods requires large datasets which are costly to label. It is critical to have…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Minghua Liu , Yin Zhou , Charles R. Qi , Boqing Gong , Hao Su , Dragomir Anguelov

Large-scale vision-language models like CLIP have demonstrated impressive open-vocabulary capabilities for image-level tasks, excelling in recognizing what objects are present. However, they struggle with pixel-level recognition tasks like…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Heeseong Shin , Chaehyun Kim , Sunghwan Hong , Seokju Cho , Anurag Arnab , Paul Hongsuck Seo , Seungryong Kim

We present lazy visual grounding, a two-stage approach of unsupervised object mask discovery followed by object grounding, for open-vocabulary semantic segmentation. Plenty of the previous art casts this task as pixel-to-text classification…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Dahyun Kang , Minsu Cho

Autonomous vehicles need to have a semantic understanding of the three-dimensional world around them in order to reason about their environment. State of the art methods use deep neural networks to predict semantic classes for each point in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Larissa T. Triess , David Peter , Christoph B. Rist , J. Marius Zöllner

Recently, open-vocabulary image classification by vision language pre-training has demonstrated incredible achievements, that the model can classify arbitrary categories without seeing additional annotated images of that category. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Mengde Xu , Zheng Zhang , Fangyun Wei , Yutong Lin , Yue Cao , Han Hu , Xiang Bai

Open-vocabulary semantic segmentation (OVSS) entails assigning semantic labels to each pixel in an image using textual descriptions, typically leveraging world models such as CLIP. To enhance out-of-domain generalization, we propose Cost…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Aditya Gandhamal , Aniruddh Sikdar , Suresh Sundaram

Large Language Models (LLMs), known for their versatility in textual data, are increasingly being explored for their potential to enhance medical image segmentation, a crucial task for accurate diagnostic imaging. This study explores…

Image and Video Processing · Electrical Eng. & Systems 2025-08-20 Gurucharan Marthi Krishna Kumar , Aman Chadha , Janine Mendola , Amir Shmuel

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…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Chaoyang Zhu , Long Chen

Semantic segmentation of LiDAR points has significant value for autonomous driving and mobile robot systems. Most approaches explore spatio-temporal information of multi-scan to identify the semantic classes and motion states for each…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Jiexi Zhong , Zhiheng Li , Yubo Cui , Zheng Fang

In this paper, we introduce an open-vocabulary panoptic segmentation model that effectively unifies the strengths of the Segment Anything Model (SAM) with the vision-language CLIP model in an end-to-end framework. While SAM excels in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Vibashan VS , Shubhankar Borse , Hyojin Park , Debasmit Das , Vishal Patel , Munawar Hayat , Fatih Porikli

This paper studies open-vocabulary segmentation (OVS) through calibrating in-vocabulary and domain-biased embedding space with generalized contextual prior of CLIP. As the core of open-vocabulary understanding, alignment of visual content…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Yong Liu , Sule Bai , Guanbin Li , Yitong Wang , Yansong Tang

Most existing methods for training-free open-vocabulary semantic segmentation are based on CLIP. While these approaches have made progress, they often face challenges in precise localization or require complex pipelines to combine separate…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Kaiyu Li , Shengqi Zhang , Yujie Wang , Yupeng Deng , Zhi Wang , Deyu Meng , Xiangyong Cao

Domain-generalized LiDAR semantic segmentation (LSS) seeks to train models on source-domain point clouds that generalize reliably to multiple unseen target domains, which is essential for real-world LiDAR applications. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Jindong Zhao , Yuan Gao , Yang Xia , Sheng Nie , Jun Yue , Weiwei Sun , Shaobo Xia

Multi-modality fusion is proven an effective method for 3d perception for autonomous driving. However, most current multi-modality fusion pipelines for LiDAR semantic segmentation have complicated fusion mechanisms. Point painting is a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Zichao Dong , Bowen Pang , Xufeng Huang , Hang Ji , Xin Zhan , Junbo Chen

Accurate perception is critical for vehicle safety, with LiDAR as a key enabler in autonomous driving. To ensure robust performance across environments, sensor types, and weather conditions without costly re-annotation, domain…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Weitong Kong , Zichao Zeng , Di Wen , Jiale Wei , Kunyu Peng , June Moh Goo , Jan Boehm , Rainer Stiefelhagen

Open-Vocabulary Segmentation (OVS) methods are capable of performing semantic segmentation without relying on a fixed vocabulary, and in some cases, without training or fine-tuning. However, OVS methods typically require a human in the loop…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Osman Ülger , Maksymilian Kulicki , Yuki Asano , Martin R. Oswald

Open-vocabulary segmentation is the task of segmenting anything that can be named in an image. Recently, large-scale vision-language modelling has led to significant advances in open-vocabulary segmentation, but at the cost of gargantuan…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Laurynas Karazija , Iro Laina , Andrea Vedaldi , Christian Rupprecht

This paper presents a novel training-free framework for open-vocabulary image segmentation and object recognition (OVSR), which leverages EfficientNetB0, a convolutional neural network, for unsupervised segmentation and CLIP, a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Ying Dai , Wei Yu Chen

Language-Assisted Image Clustering (LAIC) augments the input images with additional texts with the help of vision-language models (VLMs) to promote clustering performance. Despite recent progress, existing LAIC methods often overlook two…

Machine Learning · Computer Science 2026-03-26 Jun Ma , Xu Zhang , Zhengxing Jiao , Yaxin Hou , Hui Liu , Junhui Hou , Yuheng Jia

The recent years have witnessed the remarkable development for open-vocabulary semantic segmentation (OVSS) using visual-language foundation models, yet still suffer from following fundamental challenges: (1) insufficient cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jing Wang , Huimin Shi , Quan Zhou , Qibo Liu , Suofei Zhang , Huimin Lu