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相关论文: Calibrated Value-Aware Model Learning with Probabi…

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We propose a learning framework for calibrating predictive models to make loss-controlling prediction for exchangeable data, which extends our recently proposed conformal loss-controlling prediction for more general cases. By comparison,…

机器学习 · 计算机科学 2024-01-24 Di Wang , Junzhi Shi , Pingping Wang , Shuo Zhuang , Hongyue Li

Model calibration is essential for ensuring that the predictions of deep neural networks accurately reflect true probabilities in real-world classification tasks. However, deep networks often produce over-confident or under-confident…

机器学习 · 计算机科学 2025-04-01 Jinxu Lin , Linwei Tao , Minjing Dong , Chang Xu

Adversarially robust classification seeks a classifier that is insensitive to adversarial perturbations of test patterns. This problem is often formulated via a minimax objective, where the target loss is the worst-case value of the 0-1…

机器学习 · 统计学 2021-05-14 Han Bao , Clayton Scott , Masashi Sugiyama

One of the main challenges in model-based reinforcement learning (RL) is to decide which aspects of the environment should be modeled. The value-equivalence (VE) principle proposes a simple answer to this question: a model should capture…

人工智能 · 计算机科学 2021-12-14 Christopher Grimm , André Barreto , Gregory Farquhar , David Silver , Satinder Singh

Model calibration aims to align confidence with prediction correctness. The Cross-Entropy (CE) loss is widely used for calibrator training, which enforces the model to increase confidence on the ground truth class. However, we find the CE…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Yuchi Liu , Lei Wang , Yuli Zou , James Zou , Liang Zheng

Obtaining reliable and accurate quantification of uncertainty estimates from deep neural networks is important in safety-critical applications. A well-calibrated model should be accurate when it is certain about its prediction and indicate…

机器学习 · 计算机科学 2020-12-16 Ranganath Krishnan , Omesh Tickoo

We propose a novel approach to addressing two fundamental challenges in Model-based Reinforcement Learning (MBRL): the computational expense of repeatedly finding a good policy in the learned model, and the objective mismatch between model…

机器学习 · 计算机科学 2023-03-02 Anirudh Vemula , Yuda Song , Aarti Singh , J. Andrew Bagnell , Sanjiban Choudhury

(Partial) ranking loss is a commonly used evaluation measure for multi-label classification, which is usually optimized with convex surrogates for computational efficiency. Prior theoretical work on multi-label ranking mainly focuses on…

机器学习 · 计算机科学 2021-05-12 Guoqiang Wu , Chongxuan Li , Kun Xu , Jun Zhu

In the last years decision-focused learning framework, also known as predict-and-optimize, have received increasing attention. In this setting, the predictions of a machine learning model are used as estimated cost coefficients in the…

机器学习 · 计算机科学 2022-06-20 Jayanta Mandi , Víctor Bucarey , Maxime Mulamba , Tias Guns

Zero-shot learning methods typically assume that the new, unseen classes encountered during deployment come from the same distribution as the the classes in the training set. However, real-world scenarios often involve class distribution…

机器学习 · 计算机科学 2024-12-11 Yuli Slavutsky , Yuval Benjamini

Solving optimization problems with unknown parameters often requires learning a predictive model to predict the values of the unknown parameters and then solving the problem using these values. Recent work has shown that including the…

机器学习 · 计算机科学 2020-10-23 Kai Wang , Bryan Wilder , Andrew Perrault , Milind Tambe

We consider the problem of learning models for risk-sensitive reinforcement learning. We theoretically demonstrate that proper value equivalence, a method of learning models which can be used to plan optimally in the risk-neutral setting,…

机器学习 · 计算机科学 2023-12-05 Tyler Kastner , Murat A. Erdogdu , Amir-massoud Farahmand

Binary classification involves predicting the label of an instance based on whether the model score for the positive class exceeds a threshold chosen based on the application requirements (e.g., maximizing recall for a precision bound).…

机器学习 · 计算机科学 2023-11-21 Gundeep Arora , Srujana Merugu , Anoop Saladi , Rajeev Rastogi

Reinforcement learning (RL) solves sequential decision-making problems via a trial-and-error process interacting with the environment. While RL achieves outstanding success in playing complex video games that allow huge trial-and-error,…

机器学习 · 计算机科学 2022-06-22 Fan-Ming Luo , Tian Xu , Hang Lai , Xiong-Hui Chen , Weinan Zhang , Yang Yu

Generative models at times produce "invalid" outputs, such as images with generation artifacts and unnatural sounds. Validity-constrained distribution learning attempts to address this problem by requiring that the learned distribution have…

机器学习 · 计算机科学 2024-10-22 Nick Rittler , Kamalika Chaudhuri

Calibration of neural networks is a topical problem that is becoming more and more important as neural networks increasingly underpin real-world applications. The problem is especially noticeable when using modern neural networks, for which…

机器学习 · 计算机科学 2023-08-29 Ondrej Bohdal , Yongxin Yang , Timothy Hospedales

Fire is characterized by its sudden onset and destructive power, making early fire detection crucial for ensuring human safety and protecting property. With the advancement of deep learning, the application of computer vision in fire…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Ziqi Zhang , Xiuzhuang Zhou , Xiangyang Gong

When an agent cannot represent a perfectly accurate model of its environment's dynamics, model-based reinforcement learning (MBRL) can fail catastrophically. Planning involves composing the predictions of the model; when flawed predictions…

机器学习 · 计算机科学 2017-07-28 Erik Talvitie

Learning for model based control can be sample-efficient and generalize well, however successfully learning models and controllers that represent the problem at hand can be challenging for complex tasks. Using inaccurate models for learning…

机器人学 · 计算机科学 2020-11-10 Sarah Bechtle , Bilal Hammoud , Akshara Rai , Franziska Meier , Ludovic Righetti

Learning models of the environment from data is often viewed as an essential component to building intelligent reinforcement learning (RL) agents. The common practice is to separate the learning of the model from its use, by constructing a…

机器学习 · 计算机科学 2020-11-09 Christopher Grimm , André Barreto , Satinder Singh , David Silver