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We present CLAMP-ViT, a data-free post-training quantization method for vision transformers (ViTs). We identify the limitations of recent techniques, notably their inability to leverage meaningful inter-patch relationships, leading to the…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Akshat Ramachandran , Souvik Kundu , Tushar Krishna

We focus on contrastive methods for self-supervised video representation learning. A common paradigm in contrastive learning is to construct positive pairs by sampling different data views for the same instance, with different data…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Chen Sun , Arsha Nagrani , Yonglong Tian , Cordelia Schmid

Vision transformers (ViT) have made substantial progress for classification tasks in computer vision. Recently, Gong et. al. '21, introduced attention-based modeling for several audio tasks. However, relatively unexplored is the use of a…

声音 · 计算机科学 2024-07-08 Chirag Goel , Surya Koppisetti , Ben Colman , Ali Shahriyari , Gaurav Bharaj

Contrastive learning, which aims at minimizing the distance between positive pairs while maximizing that of negative ones, has been widely and successfully applied in unsupervised feature learning, where the design of positive and negative…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Rui Zhu , Bingchen Zhao , Jingen Liu , Zhenglong Sun , Chang Wen Chen

Online unsupervised video object segmentation (UVOS) uses the previous frames as its input to automatically separate the primary object(s) from a streaming video without using any further manual annotation. A major challenge is that the…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Lin Xi , Weihai Chen , Xingming Wu , Zhong Liu , Zhengguo Li

Weakly supervised object detection (WSOD) aims at learning precise object detectors with only image-level tags. In spite of intensive research on deep learning (DL) approaches over the past few years, there is still a significant…

计算机视觉与模式识别 · 计算机科学 2023-05-08 Qi Lai , ChiMan Vong

This paper presents OmniVL, a new foundation model to support both image-language and video-language tasks using one universal architecture. It adopts a unified transformer-based visual encoder for both image and video inputs, and thus can…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Junke Wang , Dongdong Chen , Zuxuan Wu , Chong Luo , Luowei Zhou , Yucheng Zhao , Yujia Xie , Ce Liu , Yu-Gang Jiang , Lu Yuan

Contrastive learning is a well-established paradigm in representation learning. The standard framework of contrastive learning minimizes the distance between "similar" instances and maximizes the distance between dissimilar ones in the…

机器学习 · 计算机科学 2025-02-06 Naghmeh Ghanooni , Barbod Pajoum , Harshit Rawal , Sophie Fellenz , Vo Nguyen Le Duy , Marius Kloft

Motion estimation approaches typically employ sensor fusion techniques, such as the Kalman Filter, to handle individual sensor failures. More recently, deep learning-based fusion approaches have been proposed, increasing the performance and…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

Image-Text Retrieval (ITR) is challenging in bridging visual and lingual modalities. Contrastive learning has been adopted by most prior arts. Except for limited amount of negative image-text pairs, the capability of constrastive learning…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Haoran Wang , Dongliang He , Wenhao Wu , Boyang Xia , Min Yang , Fu Li , Yunlong Yu , Zhong Ji , Errui Ding , Jingdong Wang

Recent advancements in multimodal fusion have witnessed the remarkable success of vision-language (VL) models, which excel in various multimodal applications such as image captioning and visual question answering. However, building VL…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Zhiwei Hao , Jianyuan Guo , Li Shen , Yong Luo , Han Hu , Yonggang Wen

Computer vision applications such as visual relationship detection and human object interaction can be formulated as a composite (structured) set detection problem in which both the parts (subject, object, and predicate) and the sum…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Qi Dong , Zhuowen Tu , Haofu Liao , Yuting Zhang , Vijay Mahadevan , Stefano Soatto

In recent years, deep learning based visual tracking methods have obtained great success owing to the powerful feature representation ability of Convolutional Neural Networks (CNNs). Among these methods, classification-based tracking…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Yihan Du , Yan Yan , Si Chen , Yang Hua

Image fusion is a crucial technique in the field of computer vision, and its goal is to generate high-quality fused images and improve the performance of downstream tasks. However, existing fusion methods struggle to balance these two…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Hui Li , Congcong Bian , Zeyang Zhang , Xiaoning Song , Xi Li , Xiao-Jun Wu

We present a new approach to instill 4D dynamic object priors into learned 3D representations by unsupervised pre-training. We observe that dynamic movement of an object through an environment provides important cues about its objectness,…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Yujin Chen , Matthias Nießner , Angela Dai

In this paper, we focus on the self-supervised learning of visual correspondence using unlabeled videos in the wild. Our method simultaneously considers intra- and inter-video representation associations for reliable correspondence…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Ning Wang , Wengang Zhou , Houqiang Li

Recently, contrastive learning (CL) plays an important role in exploring complementary information for multi-view clustering (MVC) and has attracted increasing attention. Nevertheless, real-world multi-view data suffer from data…

机器学习 · 计算机科学 2025-12-29 Hongqing He , Jie Xu , Wenyuan Yang , Yonghua Zhu , Guoqiu Wen , Xiaofeng Zhu

The success of deep learning heavily depends on the availability of large labeled training sets. However, it is hard to get large labeled datasets in medical image domain because of the strict privacy concern and costly labeling efforts.…

计算机视觉与模式识别 · 计算机科学 2021-09-30 Dewen Zeng , Yawen Wu , Xinrong Hu , Xiaowei Xu , Haiyun Yuan , Meiping Huang , Jian Zhuang , Jingtong Hu , Yiyu Shi

We present Fast-Slow Transformer for Visually Grounding Speech, or FaST-VGS. FaST-VGS is a Transformer-based model for learning the associations between raw speech waveforms and visual images. The model unifies dual-encoder and…

音频与语音处理 · 电气工程与系统科学 2022-03-03 Puyuan Peng , David Harwath

Self-supervised sentence representation learning is the task of constructing an embedding space for sentences without relying on human annotation efforts. One straightforward approach is to finetune a pretrained language model (PLM) with a…