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相关论文: LIP-Loc: LiDAR Image Pretraining for Cross-Modal L…

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Contrastive Language-Image Pre-training (CLIP) achieves promising results in 2D zero-shot and few-shot learning. Despite the impressive performance in 2D, applying CLIP to help the learning in 3D scene understanding has yet to be explored.…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Runnan Chen , Youquan Liu , Lingdong Kong , Xinge Zhu , Yuexin Ma , Yikang Li , Yuenan Hou , Yu Qiao , Wenping Wang

LiDAR is a crucial sensor in autonomous driving, commonly used alongside cameras. By exploiting this camera-LiDAR setup and recent advances in image representation learning, prior studies have shown the promising potential of image-to-LiDAR…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Wonjun Jo , Kwon Byung-Ki , Kim Ji-Yeon , Hawook Jeong , Kyungdon Joo , Tae-Hyun Oh

CLIP (Contrastive Language-Image Pre-Training) has shown remarkable zero-shot transfer capabilities in cross-modal correlation tasks such as visual classification and image retrieval. However, its performance in cross-modal generation tasks…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Junyang Wang , Yi Zhang , Ming Yan , Ji Zhang , Jitao Sang

Long-term scene changes present challenges to localization systems using a pre-built map. This paper presents a LiDAR-based system that can provide robust localization against those challenges. Our method starts with activation of a mapping…

机器人学 · 计算机科学 2022-03-09 Bin Peng , Hongle Xie , Weidong Chen

We address the problem of unsupervised semantic segmentation of outdoor LiDAR point clouds in diverse traffic scenarios. The key idea is to leverage the spatiotemporal nature of a dynamic point cloud sequence and introduce drastically…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Xiao Li , Pan He , Aotian Wu , Sanjay Ranka , Anand Rangarajan

Image Anomaly Detection has been a challenging task in Computer Vision field. The advent of Vision-Language models, particularly the rise of CLIP-based frameworks, has opened new avenues for zero-shot anomaly detection. Recent studies have…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Zhaoxiang Zhang , Hanqiu Deng , Jinan Bao , Xingyu Li

Visual localization is to estimate the 6-DOF camera pose of a query image in a 3D reference map. We extract keypoints from the reference image and generate a 3D reference map with 3D reconstruction of the keypoints in advance. We emphasize…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Masahiko Tsuji , Hitoshi Niigaki , Ryuichi Tanida

In complex environments, low-cost and robust localization is a challenging problem. For example, in a GPSdenied environment, LiDAR can provide accurate position information, but the cost is high. In general, visual SLAM based localization…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Dong Han , Zuhao Zou , Lujia Wang , Cheng-Zhong Xu

In this paper, we study the problem of zero-shot sketch-based image retrieval (ZS-SBIR). The prior methods tackle the problem in a two-modality setting with only category labels or even no textual information involved. However, the growing…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Hanwen Su , Ge Song , Kai Huang , Jiyan Wang , Ming Yang

Scene understanding is essential for enhancing driver safety, generating human-centric explanations for Automated Vehicle (AV) decisions, and leveraging Artificial Intelligence (AI) for retrospective driving video analysis. This study…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Mohammed Elhenawy , Huthaifa I. Ashqar , Andry Rakotonirainy , Taqwa I. Alhadidi , Ahmed Jaber , Mohammad Abu Tami

Contrastive Language--Image Pre-training (CLIP) has manifested remarkable improvements in zero-shot classification and cross-modal vision-language tasks. Yet, from a geometrical point of view, the CLIP embedding space has been found to have…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Sedigheh Eslami , Gerard de Melo

Fine-grained truck classification is critical for intelligent transportation systems (ITS), yet current LiDAR-based methods face scalability challenges due to their reliance on supervised deep learning and labor-intensive manual annotation.…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Yiqiao Li , Bo Shang , Jie Wei

Methods based on Contrastive Language-Image Pre-training (CLIP) are nowadays extensively used in support of vision-and-language tasks involving remote sensing data, such as cross-modal retrieval. The adaptation of CLIP to this specific…

计算机视觉与模式识别 · 计算机科学 2024-11-01 João Daniel Silva , Joao Magalhaes , Devis Tuia , Bruno Martins

Multimodal learning has recently gained significant popularity, demonstrating impressive performance across various zero-shot classification tasks and a range of perceptive and generative applications. Models such as Contrastive…

机器学习 · 计算机科学 2026-02-16 Can Yaras , Siyi Chen , Peng Wang , Qing Qu

Contrastive Language-Image Pretraining (CLIP) has achieved remarkable success, leading to rapid advancements in multimodal studies. However, CLIP faces a notable challenge in terms of inefficient data utilization. It relies on a single…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Yu Zhang , Qi Zhang , Zixuan Gong , Yiwei Shi , Yepeng Liu , Duoqian Miao , Yang Liu , Ke Liu , Kun Yi , Wei Fan , Liang Hu , Changwei Wang

3D Multi-object tracking (MOT) ensures consistency during continuous dynamic detection, conducive to subsequent motion planning and navigation tasks in autonomous driving. However, camera-based methods suffer in the case of occlusions and…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Li Wang , Xinyu Zhang , Wenyuan Qin , Xiaoyu Li , Lei Yang , Zhiwei Li , Lei Zhu , Hong Wang , Jun Li , Huaping Liu

Place recognition is critical for both offline mapping and online localization. However, current single-sensor based place recognition still remains challenging in adverse conditions. In this paper, a heterogeneous measurements based…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Huan Yin , Xuecheng Xu , Yue Wang , Rong Xiong

During the preceding biennium, vision-language pre-training has achieved noteworthy success on several downstream tasks. Nevertheless, acquiring high-quality image-text pairs, where the pairs are entirely exclusive of each other, remains a…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Yuting Gao , Jinfeng Liu , Zihan Xu , Tong Wu Enwei Zhang , Wei Liu , Jie Yang , Ke Li , Xing Sun

The past few years have witnessed an increasing interest in improving the perception performance of LiDARs on autonomous vehicles. While most of the existing works focus on developing new deep learning algorithms or model architectures, we…

机器人学 · 计算机科学 2022-05-05 Hanjiang Hu , Zuxin Liu , Sharad Chitlangia , Akhil Agnihotri , Ding Zhao

Robots and autonomous systems need to know where they are within a map to navigate effectively. Thus, simultaneous localization and mapping or SLAM is a common building block of robot navigation systems. When building a map via a SLAM…

机器人学 · 计算机科学 2021-03-18 Luca Di Giammarino , Irvin Aloise , Cyrill Stachniss , Giorgio Grisetti