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相关论文: PointCLIP: Point Cloud Understanding by CLIP

200 篇论文

Contrastive Language-Image Pre-training (CLIP) has recently shown great promise in pixel-level zero-shot learning tasks. However, existing approaches utilizing CLIP's text and patch embeddings to generate semantic masks often misidentify…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Jingyao Li , Pengguang Chen , Shengju Qian , Shu Liu , Jiaya Jia

With the advent of vision-language models (e.g., CLIP) in zero- and few-shot settings, CLIP has been widely applied to zero-shot anomaly detection (ZSAD) in recent research, where the rare classes are essential and expected in many…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Yuhu Bai , Jiangning Zhang , Yunkang Cao , Guangyuan Lu , Qingdong He , Xiangtai Li , Guanzhong Tian

Annotating large-scale point clouds is highly time-consuming and often infeasible for many complex real-world tasks. Point cloud pre-training has therefore become a promising strategy for learning discriminative representations without…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Guofeng Mei , Xiaoshui Huang , Juan Liu , Jian Zhang , Qiang Wu

Few-shot class-incremental learning (FSCIL) aims to mitigate the catastrophic forgetting issue when a model is incrementally trained on limited data. However, many of these works lack effective exploration of prior knowledge, rendering them…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Wan Xu , Tianyu Huang , Tianyu Qu , Guanglei Yang , Yiwen Guo , Wangmeng Zuo

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…

计算与语言 · 计算机科学 2022-10-13 An Yan , Jiacheng Li , Wanrong Zhu , Yujie Lu , William Yang Wang , Julian McAuley

The popularity of Contrastive Language-Image Pre-training (CLIP) has propelled its application to diverse downstream vision tasks. To improve its capacity on downstream tasks, few-shot learning has become a widely-adopted technique.…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Xiangyang Zhu , Renrui Zhang , Bowei He , Aojun Zhou , Dong Wang , Bin Zhao , Peng Gao

Contrastive Language-Image Pre-training (CLIP) has become a foundation model and has been applied to various vision and multimodal tasks. However, recent works indicate that CLIP falls short in distinguishing detailed differences in images…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Yinqi Li , Jiahe Zhao , Hong Chang , Ruibing Hou , Shiguang Shan , Xilin Chen

Recent Vision-Language Models (VLMs) \textit{e.g.} CLIP have made great progress in video recognition. Despite the improvement brought by the strong visual backbone in extracting spatial features, CLIP still falls short in capturing and…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Mushui Liu , Bozheng Li , Yunlong Yu

We introduce ProLIP, a simple and architecture-agnostic method for adapting contrastively pretrained vision-language models, such as CLIP, to few-shot classification. ProLIP fine-tunes the vision encoder's projection matrix with Frobenius…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Mohammad Fahes , Tuan-Hung Vu , Andrei Bursuc , Patrick Pérez , Raoul de Charette

Large-scale vision-language pre-training has achieved promising results on downstream tasks. Existing methods highly rely on the assumption that the image-text pairs crawled from the Internet are in perfect one-to-one correspondence.…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Yuting Gao , Jinfeng Liu , Zihan Xu , Jun Zhang , Ke Li , Rongrong Ji , Chunhua Shen

Most of 3D single object trackers (SOT) in point clouds follow the two-stream multi-stage 3D Siamese or motion tracking paradigms, which process the template and search area point clouds with two parallel branches, built on supervised point…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Baojie Fan , Wuyang Zhou , Kai Wang , Shijun Zhou , Fengyu Xu , Jiandong Tian

Recent advancements in large-scale pre-training of visual-language models on paired image-text data have demonstrated impressive generalization capabilities for zero-shot tasks. Building on this success, efforts have been made to adapt…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Shahzad Ahmad , Sukalpa Chanda , Yogesh S Rawat

Contrastive Language-Image Pre-training (CLIP) has shown powerful zero-shot learning performance. Few-shot learning aims to further enhance the transfer capability of CLIP by giving few images in each class, aka 'few shots'. Most existing…

计算机视觉与模式识别 · 计算机科学 2024-04-22 Yaohui Li , Qifeng Zhou , Haoxing Chen , Jianbing Zhang , Xinyu Dai , Hao Zhou

Masked autoencoding has achieved great success for self-supervised learning in the image and language domains. However, mask based pretraining has yet to show benefits for point cloud understanding, likely due to standard backbones like…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Haotian Liu , Mu Cai , Yong Jae Lee

Contrastive Language-Image Pretraining (CLIP) has gained popularity for its remarkable zero-shot capacity. Recent research has focused on developing efficient fine-tuning methods, such as prompt learning and adapter, to enhance CLIP's…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Zhengbo Wang , Jian Liang , Lijun Sheng , Ran He , Zilei Wang , Tieniu Tan

Training a 3D scene understanding model requires complicated human annotations, which are laborious to collect and result in a model only encoding close-set object semantics. In contrast, vision-language pre-training models (e.g., CLIP)…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Junbo Zhang , Runpei Dong , Kaisheng Ma

Contrastive Language Image Pretraining (CLIP) has received widespread attention, since its learned representations can be transferred well to various downstream tasks. During the training process of the CLIP model, the InfoNCE objective…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Delong Chen , Zhao Wu , Fan Liu , Zaiquan Yang , Huaxi Huang , Ying Tan , Erjin Zhou

Change detection from traditional \added{2D} optical images has limited capability to model the changes in the height or shape of objects. Change detection using 3D point cloud \added{from photogrammetry or LiDAR surveying} can fill this…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Iris de Gélis , Sudipan Saha , Muhammad Shahzad , Thomas Corpetti , Sébastien Lefèvre , Xiao Xiang Zhu

In rapidly evolving field of vision-language models (VLMs), contrastive language-image pre-training (CLIP) has made significant strides, becoming foundation for various downstream tasks. However, relying on one-to-one (image, text)…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Haicheng Wang , Chen Ju , Weixiong Lin , Shuai Xiao , Mengting Chen , Yixuan Huang , Chang Liu , Mingshuai Yao , Jinsong Lan , Ying Chen , Qingwen Liu , Yanfeng Wang

CLIP models learn transferable multi-modal features via image-text contrastive learning on internet-scale data. They are widely used in zero-shot classification, multi-modal retrieval, text-to-image diffusion, and as image encoders in large…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Marc-Antoine Lavoie , Anas Mahmoud , Aldo Zaimi , Arsene Fansi Tchango , Steven L. Waslander