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Transformer and its variants have shown great potential for various vision tasks in recent years, including image classification, object detection and segmentation. Meanwhile, recent studies also reveal that with proper architecture design,…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Xinghao Chen , Siwei Li , Yijing Yang , Yunhe Wang

Motivated by the remarkable achievements of DETR-based approaches on COCO object detection and segmentation benchmarks, recent endeavors have been directed towards elevating their performance through self-supervised pre-training of…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Yan Ma , Weicong Liang , Bohan Chen , Yiduo Hao , Bojian Hou , Xiangyu Yue , Chao Zhang , Yuhui Yuan

Appearance-based gaze estimation has shown great promise in many applications by using a single general-purpose camera as the input device. However, its success is highly depending on the availability of large-scale well-annotated gaze…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Lingyu Du , Xucong Zhang , Guohao Lan

Instance contrast for unsupervised representation learning has achieved great success in recent years. In this work, we explore the idea of instance contrastive learning in unsupervised domain adaptation (UDA) and propose a novel Category…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Jiaxing Huang , Dayan Guan , Aoran Xiao , Shijian Lu , Ling Shao

Object Detection, a fundamental computer vision problem, has paramount importance in smart camera systems. However, a truly reliable camera system could be achieved if and only if the underlying object detection component is robust enough…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Ujjal Kr Dutta

Collaborative learning enables distributed clients to learn a shared model for prediction while keeping the training data local on each client. However, existing collaborative learning methods require fully-labeled data for training, which…

机器学习 · 计算机科学 2022-04-26 Yawen Wu , Zhepeng Wang , Dewen Zeng , Meng Li , Yiyu Shi , Jingtong Hu

Recent CNN based object detectors, no matter one-stage methods like YOLO, SSD, and RetinaNe or two-stage detectors like Faster R-CNN, R-FCN and FPN are usually trying to directly finetune from ImageNet pre-trained models designed for image…

计算机视觉与模式识别 · 计算机科学 2018-04-20 Zeming Li , Chao Peng , Gang Yu , Xiangyu Zhang , Yangdong Deng , Jian Sun

We present a novel technique for self-supervised video representation learning by: (a) decoupling the learning objective into two contrastive subtasks respectively emphasizing spatial and temporal features, and (b) performing it…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Zehua Zhang , David Crandall

This work considers supervised contrastive learning for semantic segmentation. We apply contrastive learning to enhance the discriminative power of the multi-scale features extracted by semantic segmentation networks. Our key methodological…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Theodoros Pissas , Claudio S. Ravasio , Lyndon Da Cruz , Christos Bergeles

As a pioneering work, PointContrast conducts unsupervised 3D representation learning via leveraging contrastive learning over raw RGB-D frames and proves its effectiveness on various downstream tasks. However, the trend of large-scale…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Xiaoyang Wu , Xin Wen , Xihui Liu , Hengshuang Zhao

Recent unsupervised contrastive representation learning follows a Single Instance Multi-view (SIM) paradigm where positive pairs are usually constructed with intra-image data augmentation. In this paper, we propose an effective approach…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Xiangxiang Chu , Xiaohang Zhan , Bo Zhang

Recently, great success has been made in learning visual representations from text supervision, facilitating the emergence of text-supervised semantic segmentation. However, existing works focus on pixel grouping and cross-modal semantic…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Pengzhen Ren , Changlin Li , Hang Xu , Yi Zhu , Guangrun Wang , Jianzhuang Liu , Xiaojun Chang , Xiaodan Liang

Self-supervised representation learning based on Contrastive Learning (CL) has been the subject of much attention in recent years. This is due to the excellent results obtained on a variety of subsequent tasks (in particular…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Ahmed Ben Saad , Kristina Prokopetc , Josselin Kherroubi , Axel Davy , Adrien Courtois , Gabriele Facciolo

Weakly Supervised Object Detection (WSOD) is a task that detects objects in an image using a model trained only on image-level annotations. Current state-of-the-art models benefit from self-supervised instance-level supervision, but since…

计算机视觉与模式识别 · 计算机科学 2022-09-05 Jinhwan Seo , Wonho Bae , Danica J. Sutherland , Junhyug Noh , Daijin Kim

Out-of-distribution (OOD) detection is crucial for ensuring the reliability of deep learning models. Existing methods mostly focus on regular entangled representations to discriminate in-distribution (ID) and OOD data, neglecting the rich…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Boyang Dai , Chaoqi Chen , Yizhou Yu

While contrastive learning is proven to be an effective training strategy in computer vision, Natural Language Processing (NLP) is only recently adopting it as a self-supervised alternative to Masked Language Modeling (MLM) for improving…

计算与语言 · 计算机科学 2021-09-16 Hooman Sedghamiz , Shivam Raval , Enrico Santus , Tuka Alhanai , Mohammad Ghassemi

Deep neural nets typically perform end-to-end backpropagation to learn the weights, a procedure that creates synchronization constraints in the weight update step across layers and is not biologically plausible. Recent advances in…

机器学习 · 计算机科学 2020-12-01 Yuwen Xiong , Mengye Ren , Raquel Urtasun

Contrastive self-supervised learning (CSL) based on instance discrimination typically attracts positive samples while repelling negatives to learn representations with pre-defined binary self-supervision. However, vanilla CSL is inadequate…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Yifei Zhang , Chang Liu , Yu Zhou , Weiping Wang , Qixiang Ye , Xiangyang Ji

The rapid proliferation of digital content and the ever-growing need for precise object recognition and segmentation have driven the advancement of cutting-edge techniques in the field of object classification and segmentation. This paper…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Chandan Kumar , Jansel Herrera-Gerena , John Just , Matthew Darr , Ali Jannesari

The complex nature of combining localization and classification in object detection has resulted in the flourished development of methods. Previous works tried to improve the performance in various object detection heads but failed to…

计算机视觉与模式识别 · 计算机科学 2021-06-16 Xiyang Dai , Yinpeng Chen , Bin Xiao , Dongdong Chen , Mengchen Liu , Lu Yuan , Lei Zhang