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An effective framework for learning 3D representations for perception tasks is distilling rich self-supervised image features via contrastive learning. However, image-to point representation learning for autonomous driving datasets faces…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Anas Mahmoud , Jordan S. K. Hu , Tianshu Kuai , Ali Harakeh , Liam Paull , Steven L. Waslander

The fast evolution and widespread of deepfake techniques in real-world scenarios require stronger generalization abilities of face forgery detectors. Some works capture the features that are unrelated to method-specific artifacts, such as…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Hanqing Zhao , Wenbo Zhou , Dongdong Chen , Weiming Zhang , Nenghai Yu

The need for abundant labelled data in supervised Adversarial Training (AT) has prompted the use of Self-Supervised Learning (SSL) techniques with AT. However, the direct application of existing SSL methods to adversarial training has been…

机器学习 · 计算机科学 2024-06-11 Sravanti Addepalli , Priyam Dey , R. Venkatesh Babu

We present Self-Organizing Visual Prototypes (SOP), a new training technique for unsupervised visual feature learning. Unlike existing prototypical self-supervised learning (SSL) methods that rely on a single prototype to encode all…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Thalles Silva , Helio Pedrini , Adín Ramírez Rivera

Prompt learning has emerged as a valuable technique in enhancing vision-language models (VLMs) such as CLIP for downstream tasks in specific domains. Existing work mainly focuses on designing various learning forms of prompts, neglecting…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Zheng Li , Xiang Li , Xinyi Fu , Xin Zhang , Weiqiang Wang , Shuo Chen , Jian Yang

This paper presents a simple yet effective framework MaskCLIP, which incorporates a newly proposed masked self-distillation into contrastive language-image pretraining. The core idea of masked self-distillation is to distill representation…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Xiaoyi Dong , Jianmin Bao , Yinglin Zheng , Ting Zhang , Dongdong Chen , Hao Yang , Ming Zeng , Weiming Zhang , Lu Yuan , Dong Chen , Fang Wen , Nenghai Yu

Knowledge distillation is an effective way to transfer knowledge from a strong teacher to an efficient student model. Ideally, we expect the better the teacher is, the better the student. However, this expectation does not always come true.…

信息检索 · 计算机科学 2023-06-27 Zhenghao Lin , Yeyun Gong , Xiao Liu , Hang Zhang , Chen Lin , Anlei Dong , Jian Jiao , Jingwen Lu , Daxin Jiang , Rangan Majumder , Nan Duan

Contrastive learning based vision-language joint pre-training has emerged as a successful representation learning strategy. In this paper, we present a prototype representation learning framework incorporating both global and local…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Pujin Cheng , Li Lin , Junyan Lyu , Yijin Huang , Wenhan Luo , Xiaoying Tang

This work asks: with abundant, unlabeled real faces, how to learn a robust and transferable facial representation that boosts various face security tasks with respect to generalization performance? We make the first attempt and propose a…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Gaojian Wang , Feng Lin , Tong Wu , Zhenguang Liu , Zhongjie Ba , Kui Ren

Self-supervised representation learning methods aim to provide powerful deep feature learning without the requirement of large annotated datasets, thus alleviating the annotation bottleneck that is one of the main barriers to practical…

机器学习 · 计算机科学 2022-05-18 Linus Ericsson , Henry Gouk , Chen Change Loy , Timothy M. Hospedales

Self-supervised facial representation has recently attracted increasing attention due to its ability to perform face understanding without relying on large-scale annotated datasets heavily. However, analytically, current contrastive-based…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Yuanyuan Liu , Wenbin Wang , Yibing Zhan , Shaoze Feng , Kejun Liu , Zhe Chen

State-of-the-art face super-resolution methods employ deep convolutional neural networks to learn a mapping between low- and high- resolution facial patterns by exploring local appearance knowledge. However, most of these methods do not…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Xiaobin Hu , Wenqi Ren , John LaMaster , Xiaochun Cao , Xiaoming Li , Zechao Li , Bjoern Menze , Wei Liu

The success of deep learning in computer vision is rooted in the ability of deep networks to scale up model complexity as demanded by challenging visual tasks. As complexity is increased, so is the need for large amounts of labeled data to…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Gustav Larsson

State-of-the-art face recognition networks are often computationally expensive and cannot be used for mobile applications. Training lightweight face recognition models also requires large identity-labeled datasets. Meanwhile, there are…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Hatef Otroshi Shahreza , Anjith George , Sébastien Marcel

Self-supervised instance discrimination is an effective contrastive pretext task to learn feature representations and address limited medical image annotations. The idea is to make features of transformed versions of the same images similar…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Yejia Zhang , Xinrong Hu , Nishchal Sapkota , Yiyu Shi , Danny Z. Chen

Over the last few decades, artificial intelligence research has made tremendous strides, but it still heavily relies on fixed datasets in stationary environments. Continual learning is a growing field of research that examines how AI…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Minha Kim , Shahroz Tariq , Simon S. Woo

Rigid point cloud registration is a fundamental problem and highly relevant in robotics and autonomous driving. Nowadays deep learning methods can be trained to match a pair of point clouds, given the transformation between them. However,…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Christian Löwens , Thorben Funke , André Wagner , Alexandru Paul Condurache

Self-supervised learning can be used for mitigating the greedy needs of Vision Transformer networks for very large fully-annotated datasets. Different classes of self-supervised learning offer representations with either good contextual…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Spyros Gidaris , Andrei Bursuc , Oriane Simeoni , Antonin Vobecky , Nikos Komodakis , Matthieu Cord , Patrick Pérez

In this paper, we study the task of facial expression recognition under strong occlusion. We are particularly interested in cases where 50% of the face is occluded, e.g. when the subject wears a Virtual Reality (VR) headset. While previous…

计算机视觉与模式识别 · 计算机科学 2021-02-26 Mariana-Iuliana Georgescu , Radu Tudor Ionescu

In this paper, we propose a novel training procedure for the continual representation learning problem in which a neural network model is sequentially learned to alleviate catastrophic forgetting in visual search tasks. Our method, called…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Tommaso Barletti , Niccolo' Biondi , Federico Pernici , Matteo Bruni , Alberto Del Bimbo