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The downstream accuracy of self-supervised methods is tightly linked to the proxy task solved during training and the quality of the gradients extracted from it. Richer and more meaningful gradients updates are key to allow self-supervised…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Tim Lebailly , Tinne Tuytelaars

Pre-training produces representations that are effective for a wide range of downstream tasks, but it is still unclear what properties of pre-training are necessary for effective gains. Notably, recent work shows that even pre-training on…

机器学习 · 计算机科学 2022-06-22 Yuhuai Wu , Felix Li , Percy Liang

Contrastive learning (CL), a self-supervised learning approach, can effectively learn visual representations from unlabeled data. Given the CL training data, generative models can be trained to generate synthetic data to supplement the real…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Yawen Wu , Zhepeng Wang , Dewen Zeng , Yiyu Shi , Jingtong Hu

Many important computer vision tasks are naturally formulated to have a non-differentiable objective. Therefore, the standard, dominant training procedure of a neural network is not applicable since back-propagation requires the gradients…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Yash Patel

Automating quality inspection with computer vision techniques is often a very data-demanding task. Specifically, supervised deep learning requires a large amount of annotated images for training. In practice, collecting and annotating such…

计算机视觉与模式识别 · 计算机科学 2022-02-28 Antoine Cordier , Pierre Gutierrez , Victoire Plessis

This study examines the impact of class-imbalanced data on deep learning models and proposes a technique for data balancing by generating synthetic data for the minority class. Unlike random-based oversampling, our method prioritizes…

机器学习 · 计算机科学 2024-02-26 Hung Nguyen , Morris Chang

Obtaining meaningful solutions for inverse problems has been a major challenge with many applications in science and engineering. Recent machine learning techniques based on proximal and diffusion-based methods have shown promising results.…

机器学习 · 计算机科学 2024-02-08 Moshe Eliasof , Eldad Haber , Eran Treister

Standard deep learning-based classification approaches require collecting all samples from all classes in advance and are trained offline. This paradigm may not be practical in real-world clinical applications, where new classes are…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Sana Ayromlou , Purang Abolmaesumi , Teresa Tsang , Xiaoxiao Li

Recent advances in video generation have shown remarkable potential for constructing world simulators. However, current models still struggle to produce physically consistent results, particularly when handling large-scale or complex…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Zijun Wang , Panwen Hu , Jing Wang , Terry Jingchen Zhang , Yuhao Cheng , Long Chen , Yiqiang Yan , Zutao Jiang , Hanhui Li , Xiaodan Liang

Many applications require explainable node classification in knowledge graphs. Towards this end, a popular ``white-box'' approach is class expression learning: Given sets of positive and negative nodes, class expressions in description…

人工智能 · 计算机科学 2024-06-14 N'Dah Jean Kouagou , Stefan Heindorf , Caglar Demir , Axel-Cyrille Ngonga Ngomo

We propose scaling up 3D scene reconstruction by training with synthesized data. At the core of our work is MegaSynth, a procedurally generated 3D dataset comprising 700K scenes - over 50 times larger than the prior real dataset DL3DV -…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Hanwen Jiang , Zexiang Xu , Desai Xie , Ziwen Chen , Haian Jin , Fujun Luan , Zhixin Shu , Kai Zhang , Sai Bi , Xin Sun , Jiuxiang Gu , Qixing Huang , Georgios Pavlakos , Hao Tan

We present a system for training deep neural networks for object detection using synthetic images. To handle the variability in real-world data, the system relies upon the technique of domain randomization, in which the parameters of the…

计算机视觉与模式识别 · 计算机科学 2018-04-25 Jonathan Tremblay , Aayush Prakash , David Acuna , Mark Brophy , Varun Jampani , Cem Anil , Thang To , Eric Cameracci , Shaad Boochoon , Stan Birchfield

In this paper, we examine the problem of real-world image deblurring and take into account two key factors for improving the performance of the deep image deblurring model, namely, training data synthesis and network architecture design.…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Hao Wei , Chenyang Ge , Xin Qiao , Pengchao Deng

Invariance (defined in a general sense) has been one of the most effective priors for representation learning. Direct factorization of parametric models is feasible only for a small range of invariances, while regularization approaches,…

机器学习 · 计算机科学 2020-07-28 Yingyi Ma , Vignesh Ganapathiraman , Yaoliang Yu , Xinhua Zhang

The usage of medical image data for the training of large-scale machine learning approaches is particularly challenging due to its scarce availability and the costly generation of data annotations, typically requiring the engagement of…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Joshua Niemeijer , Jan Ehrhardt , Hristina Uzunova , Heinz Handels

Deep learning is now the gold standard in computer vision-based quality inspection systems. In order to detect defects, supervised learning is often utilized, but necessitates a large amount of annotated images, which can be costly:…

计算机视觉与模式识别 · 计算机科学 2021-07-23 Pierre Gutierrez , Maria Luschkova , Antoine Cordier , Mustafa Shukor , Mona Schappert , Tim Dahmen

Anomaly detection plays a vital role in industrial manufacturing. Due to the scarcity of real defect images, unsupervised approaches that rely solely on normal images have been extensively studied. Recently, diffusion-based generative…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Sungho Kang , Hyunkyu Park , Yeonho Lee , Hanbyul Lee , Mijoo Jeong , YeongHyeon Park , Injae Lee , Juneho Yi

One of the central problems studied in the theory of machine learning is the question of whether, for a given class of hypotheses, it is possible to efficiently find a {consistent} hypothesis, i.e., which has zero training error. While…

机器学习 · 计算机科学 2024-03-21 Eike Stadtländer , Tamás Horváth , Stefan Wrobel

We introduce the isoperimetric loss as a regularization criterion for learning the map from a visual representation to a semantic embedding, to be used to transfer knowledge to unknown classes in a zero-shot learning setting. We use a…

机器学习 · 计算机科学 2019-12-05 Shay Deutsch , Andrea Bertozzi , Stefano Soatto

Face anti-spoofing is crucial for the security of face recognition systems. Learning based methods especially deep learning based methods need large-scale training samples to reduce overfitting. However, acquiring spoof data is very…

计算机视觉与模式识别 · 计算机科学 2021-02-11 Jianzhu Guo , Xiangyu Zhu , Jinchuan Xiao , Zhen Lei , Genxun Wan , Stan Z. Li