English
Related papers

Related papers: LidarCLIP or: How I Learned to Talk to Point Cloud…

200 papers

Image-based fiducial markers are useful in problems such as object tracking in cluttered or textureless environments, camera (and multi-sensor) calibration tasks, and vision-based simultaneous localization and mapping (SLAM). The…

Robotics · Computer Science 2021-04-05 Jiunn-Kai Huang , Shoutian Wang , Maani Ghaffari , Jessy W. Grizzle

The Stable Diffusion model is a prominent text-to-image generation model that relies on a text prompt as its input, which is encoded using the Contrastive Language-Image Pre-Training (CLIP). However, text prompts have limitations when it…

Computer Vision and Pattern Recognition · Computer Science 2024-02-16 Yuxuan Ding , Chunna Tian , Haoxuan Ding , Lingqiao Liu

CLIP showcases exceptional cross-modal matching capabilities due to its training on image-text contrastive learning tasks. However, without specific optimization for unimodal scenarios, its performance in single-modality feature extraction…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Chao Yi , Lu Ren , De-Chuan Zhan , Han-Jia Ye

Visual gaze estimation, with its wide-ranging application scenarios, has garnered increasing attention within the research community. Although existing approaches infer gaze solely from image signals, recent advances in visual-language…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Jun Wang , Hao Ruan , Liangjian Wen , Yong Dai , Mingjie Wang

Vision-language models like CLIP are widely used in zero-shot image classification due to their ability to understand various visual concepts and natural language descriptions. However, how to fully leverage CLIP's unprecedented human-like…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Bang An , Sicheng Zhu , Michael-Andrei Panaitescu-Liess , Chaithanya Kumar Mummadi , Furong Huang

To navigate through urban roads, an automated vehicle must be able to perceive and recognize objects in a three-dimensional environment. A high-level contextual understanding of the surroundings is necessary to plan and execute accurate…

Robotics · Computer Science 2020-03-05 Julie Stephany Berrio , Mao Shan , Stewart Worrall , James Ward , Eduardo Nebot

We introduce Duoduo CLIP, a model for 3D representation learning that learns shape encodings from multi-view images instead of point clouds. The choice of multi-view images allows us to leverage 2D priors from off-the-shelf CLIP models to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Han-Hung Lee , Yiming Zhang , Angel X. Chang

The objective in this paper is to improve the performance of text-to-image retrieval. To this end, we introduce a new framework that can boost the performance of large-scale pre-trained vision-language models, so that they can be used for…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Guanqi Zhan , Yuanpei Liu , Kai Han , Weidi Xie , Andrew Zisserman

A fast and accurate panoptic segmentation system for LiDAR point clouds is crucial for autonomous driving vehicles to understand the surrounding objects and scenes. Existing approaches usually rely on proposals or clustering to segment…

Computer Vision and Pattern Recognition · Computer Science 2023-02-06 Enxu Li , Ryan Razani , Yixuan Xu , Bingbing Liu

TIReID aims to retrieve the image corresponding to the given text query from a pool of candidate images. Existing methods employ prior knowledge from single-modality pre-training to facilitate learning, but lack multi-modal correspondences.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Shuanglin Yan , Neng Dong , Liyan Zhang , Jinhui Tang

Referring Image Segmentation (RIS) is a cross-modal task that aims to segment an instance described by a natural language expression. Recent methods leverage large-scale pretrained unimodal models as backbones along with fusion techniques…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Seoyeon Kim , Minguk Kang , Dongwon Kim , Jaesik Park , Suha Kwak

Recovering sharp images from dual-pixel (DP) pairs with disparity-dependent blur is a challenging task.~Existing blur map-based deblurring methods have demonstrated promising results. In this paper, we propose, to the best of our knowledge,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Hao Yang , Liyuan Pan , Yan Yang , Richard Hartley , Miaomiao Liu

Text-to-image diffusion models have shown remarkable capabilities of generating high-quality images closely aligned with textual inputs. However, the effectiveness of text guidance heavily relies on the CLIP text encoder, which is trained…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Zexi Jia , Chuanwei Huang , Hongyan Fei , Yeshuang Zhu , Zhiqiang Yuan , Jinchao Zhang , Jie Zhou

Over the past few years, there has been remarkable progress in research on 3D point clouds and their use in autonomous driving scenarios has become widespread. However, deep learning methods heavily rely on annotated data and often face…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Jin Fang , Dingfu Zhou , Jingjing Zhao , Chenming Wu , Chulin Tang , Cheng-Zhong Xu , Liangjun Zhang

In self-driving applications, LiDAR data provides accurate information about distances in 3D but lacks the semantic richness of camera data. Therefore, state-of-the-art methods for perception in urban scenes fuse data from both sensor…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Royden Wagner , Marvin Klemp , Carlos Fernandez Lopez

With its powerful visual-language alignment capability, CLIP performs well in zero-shot and few-shot learning tasks. However, we found in experiments that CLIP's logits suffer from serious inter-class confusion problems in downstream tasks,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Shuo Li , Fang Liu , Zehua Hao , Xinyi Wang , Lingling Li , Xu Liu , Puhua Chen , Wenping Ma

Contrastive Language-Image Pretraining (CLIP) efficiently learns visual concepts by pre-training with natural language supervision. CLIP and its visual encoder have been explored on various vision and language tasks and achieve strong…

Computation and Language · Computer Science 2022-10-13 An Yan , Jiacheng Li , Wanrong Zhu , Yujie Lu , William Yang Wang , Julian McAuley

Recent advancements in lidar technology have led to improved point cloud resolution as well as the generation of 360 degrees, low-resolution images by encoding depth, reflectivity, or near-infrared light within each pixel. These images…

Robotics · Computer Science 2025-05-06 Sier Ha , Honghao Du , Xianjia Yu , Tomi Westerlund

Self-supervised contrastive learning models, such as CLIP, have set new benchmarks for vision-language models in many downstream tasks. However, their dependency on rigid one-to-one mappings overlooks the complex and often multifaceted…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Yiming Zhang , Zhuokai Zhao , Zhaorun Chen , Zhili Feng , Zenghui Ding , Yining Sun

Multi-modal image-text models such as CLIP and LiT have demonstrated impressive performance on image classification benchmarks and their zero-shot generalization ability is particularly exciting. While the top-5 zero-shot accuracies of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Yunhao Ge , Jie Ren , Andrew Gallagher , Yuxiao Wang , Ming-Hsuan Yang , Hartwig Adam , Laurent Itti , Balaji Lakshminarayanan , Jiaping Zhao
‹ Prev 1 8 9 10 Next ›