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We propose Dataset Reinforcement, a strategy to improve a dataset once such that the accuracy of any model architecture trained on the reinforced dataset is improved at no additional training cost for users. We propose a Dataset…

计算机视觉与模式识别 · 计算机科学 2023-09-25 Fartash Faghri , Hadi Pouransari , Sachin Mehta , Mehrdad Farajtabar , Ali Farhadi , Mohammad Rastegari , Oncel Tuzel

Deep learning based image quality assessment (IQA) models usually learn to predict image quality from a single dataset, leading the model to overfit specific scenes. To account for this, mixed datasets training can be an effective way to…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Zhaopeng Feng , Keyang Zhang , Shuyue Jia , Baoliang Chen , Shiqi Wang

No-Reference Image Quality Assessment (NR-IQA) remains a challenging task due to the diversity of distortions and the lack of large annotated datasets. Many studies have attempted to tackle these challenges by developing more accurate…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

We study the problem of experiment design to learn causal structures from interventional data. We consider an active learning setting in which the experimenter decides to intervene on one of the variables in the system in each step and uses…

人工智能 · 计算机科学 2020-09-09 Amir Amirinezhad , Saber Salehkaleybar , Matin Hashemi

Researchers recently found out that sometimes language models achieve high accuracy on benchmark data set, but they can not generalize very well with even little changes to the original data set. This is sometimes due to data artifacts,…

计算与语言 · 计算机科学 2024-01-26 Han Chen

The goal of this paper is to improve the performance of pretrained Vision Transformer (ViT) models, particularly DINOv2, in image clustering task without requiring re-training or fine-tuning. As model size increases, high-norm artifacts…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Kazumoto Nakamura , Yuji Nozawa , Yu-Chieh Lin , Kengo Nakata , Youyang Ng

Inference models are a key component in scaling variational inference to deep latent variable models, most notably as encoder networks in variational auto-encoders (VAEs). By replacing conventional optimization-based inference with a…

机器学习 · 计算机科学 2018-07-26 Joseph Marino , Yisong Yue , Stephan Mandt

The introduction of quantum concepts is increasingly making its way into generative machine learning models. However, while there are various implementations of quantum Generative Adversarial Networks, the integration of quantum elements…

Scale-invariance is an open problem in many computer vision subfields. For example, object labels should remain constant across scales, yet model predictions diverge in many cases. This problem gets harder for tasks where the ground-truth…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Oliver Wiedemann , Vlad Hosu , Shaolin Su , Dietmar Saupe

Background and Objectives: Cardiovascular magnetic resonance (CMR) imaging is a powerful modality in functional and anatomical assessment for various cardiovascular diseases. Sufficient image quality is essential to achieve proper diagnosis…

图像与视频处理 · 电气工程与系统科学 2023-10-02 Shahabedin Nabavi , Hossein Simchi , Mohsen Ebrahimi Moghaddam , Ahmad Ali Abin , Alejandro F. Frangi

Transformers have recently emerged as a powerful tool for learning visual representations. In this paper, we identify and characterize artifacts in feature maps of both supervised and self-supervised ViT networks. The artifacts correspond…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Timothée Darcet , Maxime Oquab , Julien Mairal , Piotr Bojanowski

The deployment of autonomous agents in real-world scenarios is challenged by "unknown unknowns", i.e. novel unexpected environments not encountered during training, such as degraded signs. While existing research focuses on anomaly…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Abhibha Gupta , Rully Agus Hendrawan , Mansur Arief

Estimating conditional average dose responses (CADR) is an important but challenging problem. Estimators must correctly model the potentially complex relationships between covariates, interventions, doses, and outcomes. In recent years, the…

机器学习 · 计算机科学 2024-06-13 Christopher Bockel-Rickermann , Toon Vanderschueren , Tim Verdonck , Wouter Verbeke

Distribution shifts between training and testing datasets significantly impair the model performance on graph learning. A commonly-taken causal view in graph invariant learning suggests that stable predictive features of graphs are causally…

机器学习 · 计算机科学 2025-12-10 Bohan Wang , Yurui Chang , Wei Jin , Lu Lin

Open-domain question answering (QA) is known to involve several underlying knowledge and reasoning challenges, but are models actually learning such knowledge when trained on benchmark tasks? To investigate this, we introduce several new…

计算与语言 · 计算机科学 2020-09-03 Kyle Richardson , Ashish Sabharwal

With the rapid development of Artificial Intelligence (AI), the problem of AI security has gradually emerged. Most existing machine learning algorithms may be attacked by adversarial examples. An adversarial example is a slightly modified…

密码学与安全 · 计算机科学 2018-10-19 Yingdi Wang , Wenjia Niu , Tong Chen , Yingxiao Xiang , Jingjing Liu , Gang Li , Jiqiang Liu

Deep learning models are vulnerable to external attacks. In this paper, we propose a Reinforcement Learning (RL) based approach to generate adversarial examples for the pre-trained (target) models. We assume a semi black-box setting where…

机器学习 · 计算机科学 2018-11-15 Mandar Kulkarni

We investigate the problem of cross-dataset adaptation for visual question answering (Visual QA). Our goal is to train a Visual QA model on a source dataset but apply it to another target one. Analogous to domain adaptation for visual…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Wei-Lun Chao , Hexiang Hu , Fei Sha

The success of automated driving deployment is highly depending on the ability to develop an efficient and safe driving policy. The problem is well formulated under the framework of optimal control as a cost optimization problem. Model…

人工智能 · 计算机科学 2017-06-14 Ahmad El Sallab , Mahmoud Saeed , Omar Abdel Tawab , Mohammed Abdou

Causal influence measures for machine learnt classifiers shed light on the reasons behind classification, and aid in identifying influential input features and revealing their biases. However, such analyses involve evaluating the classifier…

机器学习 · 计算机科学 2018-04-10 Shayak Sen , Piotr Mardziel , Anupam Datta , Matthew Fredrikson