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Temporal action proposal generation is an important task, akin to object proposals, temporal action proposals are intended to capture "clips" or temporal intervals in videos that are likely to contain an action. Previous methods can be…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Jiyang Gao , Kan Chen , Ram Nevatia

Dense visual perception tasks have been constrained by their reliance on predefined categories, limiting their applicability in real-world scenarios where visual concepts are unbounded. While Vision-Language Models (VLMs) like CLIP have…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Junjie Wang , Keyu Chen , Yulin Li , Bin Chen , Hengshuang Zhao , Xiaojuan Qi , Zhuotao Tian

Open-set 3D object retrieval (3DOR) is an emerging task aiming to retrieve 3D objects of unseen categories beyond the training set. Existing methods typically utilize all modalities (i.e., voxels, point clouds, multi-view images) and train…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Zhichuan Wang , Yang Zhou , Zhe Liu , Rui Yu , Song Bai , Yulong Wang , Xinwei He , Xiang Bai

This work proposes a self-supervised learning system for segmenting rigid objects in RGB images. The proposed pipeline is trained on unlabeled RGB-D videos of static objects, which can be captured with a camera carried by a mobile robot. A…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Shiyang Lu , Yunfu Deng , Abdeslam Boularias , Kostas Bekris

In this paper, a new method for generating object and action proposals in images and videos is proposed. It builds on activations of different convolutional layers of a pretrained CNN, combining the localization accuracy of the early layers…

Computer Vision and Pattern Recognition · Computer Science 2016-06-16 Amir Ghodrati , Ali Diba , Marco Pedersoli , Tinne Tuytelaars , Luc Van Gool

In this paper, we present a technique for unsupervised learning of visual representations. Specifically, we train a model for foreground and background classification task, in the process of which it learns visual representations.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-04 Aditya Vora

Most existing Vision-and-Language (V&L) models rely on pre-trained visual encoders, using a relatively small set of manually-annotated data (as compared to web-crawled data), to perceive the visual world. However, it has been observed that…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Sheng Shen , Liunian Harold Li , Hao Tan , Mohit Bansal , Anna Rohrbach , Kai-Wei Chang , Zhewei Yao , Kurt Keutzer

Pre-trained Vision-Language Models (VLMs), like CLIP, exhibit strong generalization ability to downstream tasks but struggle in few-shot scenarios. Existing prompting techniques primarily focus on global text and image representations, yet…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Xin Liu , Jiamin Wu , and Wenfei Yang , Xu Zhou , Tianzhu Zhang

With the increasing adoption of video anomaly detection in intelligent surveillance domains, conventional visual-based detection approaches often struggle with information insufficiency and high false-positive rates in complex environments.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Peng Wu , Wanshun Su , Guansong Pang , Yujia Sun , Qingsen Yan , Peng Wang , Yanning Zhang

Prompt learning has propelled vision-language models like CLIP to excel in diverse tasks, making them ideal for federated learning due to computational efficiency. However, conventional approaches that rely solely on final-layer features…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Suraj Prasad , Navyansh Mahla , Sunny Gupta , Amit Sethi

Referring medical image segmentation targets delineating lesions indicated by textual descriptions. Aligning visual and textual cues is challenging due to their distinct data properties. Inspired by large-scale pre-trained vision-language…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Yaxiong Chen , Minghong Wei , Zixuan Zheng , Jingliang Hu , Yilei Shi , Shengwu Xiong , Xiao Xiang Zhu , Lichao Mou

Unsupervised 3D representation learning reduces the burden of labeling multimodal 3D data for fusion perception tasks. Among different pre-training paradigms, differentiable-rendering-based methods have shown most promise. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Runjian Chen , Hang Zhang , Avinash Ravichandran , Hyoungseob Park , Wenqi Shao , Alex Wong , Ping Luo

With the growing interest in pretrained vision-language models like CLIP, recent research has focused on adapting these models to downstream tasks. Despite achieving promising results, most existing methods require labeled data for all…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 Zhengbo Wang , Jian Liang , Ran He , Nan Xu , Zilei Wang , Tieniu Tan

Contrastive Language-Image Pre-training (CLIP) has demonstrated strong generalization across a wide range of visual tasks by leveraging large-scale English-image pairs. However, its extension to low-resource languages remains limited due to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Dahyun Chung , Donghyun Shin , Yujin Sung , Seunggi Moon , Jinwoo Jeon , Byung-Jun Lee

The Contrastive Language-Image Pretraining (CLIP) model has been widely used in various downstream vision tasks. The few-shot learning paradigm has been widely adopted to augment its capacity for these tasks. However, current paradigms may…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Jintao Rong , Hao Chen , Linlin Ou , Tianxiao Chen , Xinyi Yu , Yifan Liu

Contrastive Language-Image Pre-training (CLIP), a simple yet effective pre-training paradigm, successfully introduces text supervision to vision models. It has shown promising results across various tasks due to its generalizability and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Zihao Zhao , Yuxiao Liu , Han Wu , Mei Wang , Yonghao Li , Sheng Wang , Lin Teng , Disheng Liu , Zhiming Cui , Qian Wang , Dinggang Shen

Large pre-trained models have had a significant impact on computer vision by enabling multi-modal learning, where the CLIP model has achieved impressive results in image classification, object detection, and semantic segmentation. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Sitian Shen , Zilin Zhu , Linqian Fan , Harry Zhang , Xinxiao Wu

We are motivated by the need for a generic object proposal generation algorithm which achieves good balance between object detection recall, proposal localization quality and computational efficiency. We propose a novel object proposal…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Ziming Zhang , Yun Liu , Xi Chen , Yanjun Zhu , Ming-Ming Cheng , Venkatesh Saligrama , Philip H. S. Torr

Recent open-vocabulary detection methods aim to detect novel objects by distilling knowledge from vision-language models (VLMs) trained on a vast amount of image-text pairs. To improve the effectiveness of these methods, researchers have…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Han-Cheol Cho , Won Young Jhoo , Wooyoung Kang , Byungseok Roh

Pre-trained vision-language models (e.g., CLIP) have shown powerful zero-shot transfer capabilities. But they still struggle with domain shifts and typically require labeled data to adapt to downstream tasks, which could be costly. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Jiachen Liang , Ruibing Hou , Minyang Hu , Hong Chang , Shiguang Shan , Xilin Chen
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