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Autoencoders are widely used for unsupervised learning and as a regularization scheme in semi-supervised learning. However, theoretical understanding of their generalization properties and of the manner in which they can assist supervised…

机器学习 · 统计学 2019-02-06 Baruch Epstein , Ron Meir

Safety and decline of road traffic accidents remain important issues of autonomous driving. Statistics show that unintended lane departure is a leading cause of worldwide motor vehicle collisions, making lane detection the most promising…

计算机视觉与模式识别 · 计算机科学 2018-12-17 Wenhui Zhang , Tejas Mahale

Semantic segmentation requires large amounts of pixel-wise annotations to learn accurate models. In this paper, we present a video prediction-based methodology to scale up training sets by synthesizing new training samples in order to…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Yi Zhu , Karan Sapra , Fitsum A. Reda , Kevin J. Shih , Shawn Newsam , Andrew Tao , Bryan Catanzaro

Masked Video Autoencoder (MVA) approaches have demonstrated their potential by significantly outperforming previous video representation learning methods. However, they waste an excessive amount of computations and memory in predicting…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Sunil Hwang , Jaehong Yoon , Youngwan Lee , Sung Ju Hwang

The lack of quality labeled data is one of the main bottlenecks for training Deep Learning models. As the task increases in complexity, there is a higher penalty for overfitting and unstable learning. The typical paradigm employed today is…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Priyam Mazumdar , Aiman Soliman , Volodymyr Kindratenko , Luigi Marini , Kenton McHenry

Object detection with event cameras benefits from the sensor's low latency and high dynamic range. However, it is costly to fully label event streams for supervised training due to their high temporal resolution. To reduce this cost, we…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Ziyi Wu , Mathias Gehrig , Qing Lyu , Xudong Liu , Igor Gilitschenski

Self-attention is of vital importance in semantic segmentation as it enables modeling of long-range context, which translates into improved performance. We argue that it is equally important to model short-range context, especially to…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Hasib Zunair , A. Ben Hamza

Driven by improved architectures and better representation learning frameworks, the field of visual recognition has enjoyed rapid modernization and performance boost in the early 2020s. For example, modern ConvNets, represented by ConvNeXt,…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Sanghyun Woo , Shoubhik Debnath , Ronghang Hu , Xinlei Chen , Zhuang Liu , In So Kweon , Saining Xie

In this research we propose a deep learning approach for detecting anomalies in videos using convolutional autoencoder and decoder neural networks on the UCSD dataset.Our method utilizes a convolutional autoencoder to learn the…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Gopikrishna Pavuluri , Gayathri Annem

Weakly supervised video anomaly detection aims to identify abnormal events in videos using only video-level labels. Recently, two-stage self-training methods have achieved significant improvements by self-generating pseudo labels and…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Chen Zhang , Guorong Li , Yuankai Qi , Shuhui Wang , Laiyun Qing , Qingming Huang , Ming-Hsuan Yang

Autoencoders are unsupervised deep learning models used for learning representations. In literature, autoencoders have shown to perform well on a variety of tasks spread across multiple domains, thereby establishing widespread…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Maneet Singh , Shruti Nagpal , Mayank Vatsa , Richa Singh , Afzel Noore

In the majority of molecular optimization tasks, predictive machine learning (ML) models are limited due to the unavailability and cost of generating big experimental datasets on the specific task. To circumvent this limitation, ML models…

Masked Autoencoders (MAEs) have been shown to be effective in pre-training Vision Transformers (ViTs) for natural and medical image analysis problems. By reconstructing missing pixel/voxel information in visible patches, a ViT encoder can…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Pengfei Gu , Huimin Li , Yejia Zhang , Chaoli Wang , Danny Z. Chen

Generic Boundary Detection (GBD) aims at locating the general boundaries that divide videos into semantically coherent and taxonomy-free units, and could serve as an important pre-processing step for long-form video understanding. Previous…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Jing Tan , Yuhong Wang , Gangshan Wu , Limin Wang

In Federated Learning (FL), anomaly detection (AD) is a challenging task due to the decentralized nature of data and the presence of non-IID data distributions. This study introduces a novel federated threshold calculation method that…

机器学习 · 计算机科学 2024-10-15 Sofiane Laridi , Gregory Palmer , Kam-Ming Mark Tam

Semi-supervised crowd analysis is a prominent area of research, as unlabeled data are typically abundant and inexpensive to obtain. However, traditional point-based annotations constrain performance because individual regions are inherently…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Jiyang Huang , Hongru Cheng , Wei Lin , Jia Wan , Antoni B. Chan

Gestures are integral components of face-to-face communication. They unfold over time, often following predictable movement phases of preparation, stroke, and retraction. Yet, the prevalent approach to automatic gesture detection treats the…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Esam Ghaleb , Ilya Burenko , Marlou Rasenberg , Wim Pouw , Peter Uhrig , Judith Holler , Ivan Toni , Aslı Özyürek , Raquel Fernández

As a promising scheme of self-supervised learning, masked autoencoding has significantly advanced natural language processing and computer vision. Inspired by this, we propose a neat scheme of masked autoencoders for point cloud…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Yatian Pang , Wenxiao Wang , Francis E. H. Tay , Wei Liu , Yonghong Tian , Li Yuan

Masked Autoencoders (MAE) based on a reconstruction task have risen to be a promising paradigm for self-supervised learning (SSL) and achieve state-of-the-art performance across different benchmark datasets. However, despite its impressive…

机器学习 · 计算机科学 2023-03-28 Qi Zhang , Yifei Wang , Yisen Wang

In industry, machine anomalous sound detection (ASD) is in great demand. However, collecting enough abnormal samples is difficult due to the high cost, which boosts the rapid development of unsupervised ASD algorithms. Autoencoder (AE)…

声音 · 计算机科学 2023-11-16 Yifan Zhou , Dongxing Xu , Haoran Wei , Yanhua Long