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Existing LiDAR-based 3D object detection methods for autonomous driving scenarios mainly adopt the training-from-scratch paradigm. Unfortunately, this paradigm heavily relies on large-scale labeled data, whose collection can be expensive…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Zhiwei Lin , Yongtao Wang , Shengxiang Qi , Nan Dong , Ming-Hsuan Yang

Unsupervised visual anomaly detection conveys practical significance in many scenarios and is a challenging task due to the unbounded definition of anomalies. Moreover, most previous methods are application-specific, and establishing a…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Haiming Yao , Xue Wang , Wenyong Yu

Self-Supervised Learning (SSL) has emerged as a key technique in machine learning, tackling challenges such as limited labeled data, high annotation costs, and variable wireless channel conditions. It is essential for developing Channel…

信号处理 · 电气工程与系统科学 2026-01-08 Jun Jiang , Xiaolong Ruan , Shugong Xu

Large, pretrained models are commonly finetuned with imagery that is heavily augmented to mimic different conditions and scales, with the resulting models used for various tasks with imagery from a range of spatial scales. Such models…

Despite its practical importance across a wide range of modalities, recent advances in self-supervised learning (SSL) have been primarily focused on a few well-curated domains, e.g., vision and language, often relying on their…

机器学习 · 计算机科学 2023-10-26 Huiwon Jang , Jihoon Tack , Daewon Choi , Jongheon Jeong , Jinwoo Shin

This chapter presents recent advances in content based image search and retrieval (CBIR) systems in remote sensing (RS) for fast and accurate information discovery from massive data archives. Initially, we analyze the limitations of the…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Gencer Sumbul , Jian Kang , Begüm Demir

Cross-modal retrieval is to utilize one modality as a query to retrieve data from another modality, which has become a popular topic in information retrieval, machine learning, and database. How to effectively measure the similarity between…

信息检索 · 计算机科学 2021-12-07 Jiwei Zhang , Yi Yu , Suhua Tang , Jianming Wu , Wei Li

Establishing correspondence between images or scenes is a significant challenge in computer vision, especially given occlusions, viewpoint changes, and varying object appearances. In this paper, we present Siamese Masked Autoencoders…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Agrim Gupta , Jiajun Wu , Jia Deng , Li Fei-Fei

Prior work using Masked Autoencoders (MAEs) typically relies on random patch masking based on the assumption that images have significant redundancies across different channels, allowing for the reconstruction of masked content using…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Chau Pham , Juan C. Caicedo , Bryan A. Plummer

Classical autoencoders are widely used to learn features of input data. To improve the feature learning, classical masked autoencoders extend classical autoencoders to learn the features of the original input sample in the presence of…

量子物理 · 物理学 2026-05-01 Emma Andrews , Prabhat Mishra

Increasingly many real world tasks involve data in multiple modalities or views. This has motivated the development of many effective algorithms for learning a common latent space to relate multiple domains. However, most existing…

计算机视觉与模式识别 · 计算机科学 2017-11-17 Tanmoy Mukherjee , Makoto Yamada , Timothy M. Hospedales

We address the challenge of training Vision Transformers (ViTs) when labeled data is scarce but unlabeled data is abundant. We propose Semi-Supervised Masked Autoencoder (SSMAE), a framework that jointly optimizes masked image…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Atik Faysal , Mohammad Rostami , Reihaneh Gh. Roshan , Nikhil Muralidhar , Huaxia Wang

Unsupervised learning can leverage large-scale data sources without the need for annotations. In this context, deep learning-based autoencoders have shown great potential in detecting anomalies in medical images. However, especially…

图像与视频处理 · 电气工程与系统科学 2020-01-03 David Zimmerer , Simon Kohl , Jens Petersen , Fabian Isensee , Klaus Maier-Hein

Sketch-based image retrieval (SBIR) is challenging due to the inherent domain-gap between sketch and photo. Compared with pixel-perfect depictions of photos, sketches are iconic renderings of the real world with highly abstract. Therefore,…

计算机视觉与模式识别 · 计算机科学 2017-05-30 Peng Xu , Qiyue Yin , Yongye Huang , Yi-Zhe Song , Zhanyu Ma , Liang Wang , Tao Xiang , W. Bastiaan Kleijn , Jun Guo

Masked Autoencoders (MAE) achieve self-supervised learning of image representations by randomly removing a portion of visual tokens and reconstructing the original image as a pretext task, thereby significantly enhancing pretraining…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Jiaxuan Li , Qing Xu , Xiangjian He , Ziyu Liu , Chang Xing , Zhen Chen , Daokun Zhang , Rong Qu , Chang Wen Chen

Federated learning is a specific distributed learning paradigm in which a central server aggregates updates from multiple clients' local models, thereby enabling the server to learn without requiring clients to upload their private data,…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yuchen He , Xiangfeng Wang

The paper presents the application of Variational Autoencoders (VAE) for data dimensionality reduction and explorative analysis of mass spectrometry imaging data (MSI). The results confirm that VAEs are capable of detecting the patterns…

定量方法 · 定量生物学 2017-08-25 Paolo Inglese , James L. Alexander , Anna Mroz , Zoltan Takats , Robert Glen

Masked image modeling (MIM) has become a leading self-supervised learning strategy. MIMs such as Masked Autoencoder (MAE) learn strong representations by randomly masking input tokens for the encoder to process, with the decoder…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Taekyung Kim , Sanghyuk Chun , Byeongho Heo , Dongyoon Han

Self-supervised learning has been a powerful training paradigm to facilitate representation learning. In this study, we design a masked autoencoder (MAE) to guide deep learning models to learn electroencephalography (EEG) signal…

人机交互 · 计算机科学 2024-09-04 Yifei Zhou , Sitong Liu

Masked autoencoders (MAE) have shown tremendous potential for self-supervised learning (SSL) in vision and beyond. However, point clouds from LiDARs used in automated driving are particularly challenging for MAEs since large areas of the 3D…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Mohamed Abdelsamad , Michael Ulrich , Claudius Gläser , Abhinav Valada