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相关论文: Are Large-scale Datasets Necessary for Self-Superv…

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In recent years, we have witnessed a considerable increase in performance in image classification tasks. This performance improvement is mainly due to the adoption of deep learning techniques. Generally, deep learning techniques demand a…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Erick da Silva Puls , Matheus V. Todescato , Joel L. Carbonera

It is well known that for some tasks, labeled data sets may be hard to gather. Therefore, we wished to tackle here the problem of having insufficient training data. We examined learning methods from unlabeled data after an initial training…

机器学习 · 计算机科学 2018-04-06 Gal Hyams , Daniel Greenfeld , Dor Bank

The significant achievements of pre-trained models leveraging large volumes of data in the field of NLP and 2D vision inspire us to explore the potential of extensive data pre-training for 3D perception in autonomous driving. Toward this…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Shumin Wang , Zhuoran Yang , Lidian Wang , Zhipeng Tang , Heng Li , Lehan Pan , Sha Zhang , Jie Peng , Jianmin Ji , Yanyong Zhang

Can a lightweight Vision Transformer (ViT) match or exceed the performance of Convolutional Neural Networks (CNNs) like ResNet on small datasets with small image resolutions? This report demonstrates that a pure ViT can indeed achieve…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Jen Hong Tan

Coreset selection is among the most effective ways to reduce the training time of CNNs, however, only limited is known on how the resultant models will behave under variations of the coreset size, and choice of datasets and models.…

计算机视觉与模式识别 · 计算机科学 2023-03-13 Animesh Gupta , Irtiza Hasan , Dilip K. Prasad , Deepak K. Gupta

Deep image prior (DIP) has been successfully applied to positron emission tomography (PET) image restoration, enabling represent implicit prior using only convolutional neural network architecture without training dataset, whereas the…

医学物理 · 物理学 2024-04-23 Yuya Onishi , Fumio Hashimoto , Kibo Ote , Keisuke Matsubara , Masanobu Ibaraki

We present a new self-supervised pre-training of Vision Transformers for dense prediction tasks. It is based on a contrastive loss across views that compares pixel-level representations to global image representations. This strategy…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Jaonary Rabarisoa , Valentin Belissen , Florian Chabot , Quoc-Cuong Pham

We introduce a pretraining technique called Selfie, which stands for SELFie supervised Image Embedding. Selfie generalizes the concept of masked language modeling of BERT (Devlin et al., 2019) to continuous data, such as images, by making…

机器学习 · 计算机科学 2019-07-30 Trieu H. Trinh , Minh-Thang Luong , Quoc V. Le

Traditionally, convolutional neural networks need large amounts of data labelled by humans to train. Self supervision has been proposed as a method of dealing with small amounts of labelled data. The aim of this study is to determine…

图像与视频处理 · 电气工程与系统科学 2020-11-23 Nicolas Ewen , Naimul Khan

Pre-training and transfer learning are an important building block of current computer vision systems. While pre-training is usually performed on large real-world image datasets, in this paper we ask whether this is truly necessary. To this…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Ryo Nakamura , Ryu Tadokoro , Ryosuke Yamada , Yuki M. Asano , Iro Laina , Christian Rupprecht , Nakamasa Inoue , Rio Yokota , Hirokatsu Kataoka

Pretraining on large natural image classification datasets such as ImageNet has aided model development on data-scarce 2D medical tasks. 3D medical tasks often have much less data than 2D medical tasks, prompting practitioners to rely on…

图像与视频处理 · 电气工程与系统科学 2023-04-04 Alexander Ke , Shih-Cheng Huang , Chloe P O'Connell , Michal Klimont , Serena Yeung , Pranav Rajpurkar

We propose Masked Capsule Autoencoders (MCAE), the first Capsule Network that utilises pretraining in a modern self-supervised paradigm, specifically the masked image modelling framework. Capsule Networks have emerged as a powerful…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Miles Everett , Mingjun Zhong , Georgios Leontidis

This paper investigates the impact of sampling and pretraining using datasets with different image characteristics on the performance of self-supervised learning (SSL) models for object classification. To do this, we sample two apartment…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Raynor Kirkson E. Chavez , Kyle Gabriel M. Reynoso

Masked Autoencoder (MAE) has recently been shown to be effective in pre-training Vision Transformers (ViT) for natural image analysis. By reconstructing full images from partially masked inputs, a ViT encoder aggregates contextual…

图像与视频处理 · 电气工程与系统科学 2023-04-24 Lei Zhou , Huidong Liu , Joseph Bae , Junjun He , Dimitris Samaras , Prateek Prasanna

This paper investigates the effectiveness of self-supervised pre-trained vision transformers (ViTs) compared to supervised pre-trained ViTs and conventional neural networks (ConvNets) for detecting facial deepfake images and videos. It…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Huy H. Nguyen , Junichi Yamagishi , Isao Echizen

Self-supervised learning has shown great success in Speech Recognition. However, it has been observed that finetuning all layers of the learned model leads to lower performance compared to resetting top layers. This phenomenon is attributed…

计算与语言 · 计算机科学 2024-05-15 Valentin Vielzeuf

A feature learning task involves training models that are capable of inferring good representations (transformations of the original space) from input data alone. When working with limited or unlabelled data, and also when multiple visual…

计算机视觉与模式识别 · 计算机科学 2018-11-02 Gabriel B. Cavallari , Leonardo Sampaio Ferraz Ribeiro , Moacir Antonelli Ponti

The process of annotating relevant data in the field of digital microscopy can be both time-consuming and especially expensive due to the required technical skills and human-expert knowledge. Consequently, large amounts of microscopic image…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Asmaa Haja , Eric Brouwer , Lambert Schomaker

Recent advancements in Deep Neural Network (DNN) models have significantly improved performance across computer vision tasks. However, achieving highly generalizable and high-performing vision models requires expansive datasets, resulting…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Minhyun Lee , Song Park , Byeongho Heo , Dongyoon Han , Hyunjung Shim

Training visual embeddings with labeled data supervision has been the de facto setup for representation learning in computer vision. Inspired by recent success of adopting masked image modeling (MIM) in self-supervised representation…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Kaifeng Chen , Daniel Salz , Huiwen Chang , Kihyuk Sohn , Dilip Krishnan , Mojtaba Seyedhosseini