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Related papers: Fine Tuning a Simulation-Driven Estimator

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In the field of computer vision, fine-tuning pre-trained models has become a prevalent strategy for out-of-distribution (OOD) generalization tasks. Different from most prior work that has focused on advancing learning algorithms, we…

Machine Learning · Computer Science 2025-04-29 Hiroki Naganuma , Ryuichiro Hataya , Kotaro Yoshida , Ioannis Mitliagkas

Dynamic discrete choice models often discretize the state vector and restrict its dimension in order to achieve valid inference. I propose a novel two-stage estimator for the set-identified structural parameter that incorporates a…

Econometrics · Economics 2018-11-07 Vira Semenova

Accurate trajectory prediction is essential for the safe operation of autonomous vehicles in real-world environments. Even well-trained machine learning models may produce unreliable predictions due to discrepancies between training data…

Robotics · Computer Science 2025-04-24 Tongfe Guo , Taposh Banerjee , Rui Liu , Lili Su

Distribution shifts are ubiquitous in real-world machine learning applications, posing a challenge to the generalization of models trained on one data distribution to another. We focus on scenarios where data distributions vary across…

Machine Learning · Statistics 2024-06-05 Steven Wilkins-Reeves , Xu Chen , Qi Ma , Christine Agarwal , Aude Hofleitner

Robust fine-tuning aims to achieve competitive in-distribution (ID) performance while maintaining the out-of-distribution (OOD) robustness of a pre-trained model when transferring it to a downstream task. To remedy this, most robust…

Machine Learning · Computer Science 2025-09-09 Xiang Yuan , Jun Shu , Deyu meng , Zongben Xu

In policy learning, the goal is typically to optimize a primary performance metric, but other subsidiary metrics often also warrant attention. This paper presents two strategies for evaluating these subsidiary metrics under a policy that is…

Statistics Theory · Mathematics 2025-09-09 Zhaoqi Li , Houssam Nassif , Alex Luedtke

The real-time supervision of production processes is a common challenge across several industries. It targets process component monitoring and its predictive maintenance in order to ensure safety, uninterrupted production and maintain high…

Machine Learning · Computer Science 2026-02-27 Osimone Imhogiemhe , Yoann Jus , Hubert Lejeune , Saïd Moussaoui

The use of neural networks has been very successful in a wide variety of applications. However, it has recently been observed that it is difficult to generalize the performance of neural networks under the condition of distributional shift.…

Computational Finance · Quantitative Finance 2022-09-20 Dangxing Chen

The development of Digital Twins (DTs) represents a transformative advance for simulating and optimizing complex systems in a controlled digital space. Despite their potential, the challenge of constructing DTs that accurately replicate and…

Systems and Control · Electrical Eng. & Systems 2024-06-21 Longfei Ma , Nan Cheng , Xiucheng Wang , Jiong Chen , Yinjun Gao , Dongxiao Zhang , Jun-Jie Zhang

Existing out-of-distribution (OOD) detectors are often tuned by a separate dataset deemed OOD with respect to the training distribution of a neural network (NN). OOD detectors process the activations of NN layers and score the output, where…

Machine Learning · Computer Science 2026-02-06 Sudeepta Mondal , Xinyi Mary Xie , Ruxiao Duan , Alex Wong , Ganesh Sundaramoorthi

Many processes in biology, chemistry, physics, medicine, and engineering are modeled by a system of differential equations. Such a system is usually characterized via unknown parameters and estimating their 'true' value is thus required. In…

Statistics Theory · Mathematics 2015-07-14 Itai Dattner , Chris A. J. Klaassen

Out-of-Distribution (OOD) detection is critical for safely deploying deep models in open-world environments, where inputs may lie outside the training distribution. During inference on a model trained exclusively with In-Distribution (ID)…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Jiawei Gu , Ziyue Qiao , Zechao Li

Deep Neural Networks for classification behave unpredictably when confronted with inputs not stemming from the training distribution. This motivates out-of-distribution detection (OOD) mechanisms. The usual lack of prior information on…

Machine Learning · Computer Science 2022-03-02 Konstantin Kirchheim , Tim Gonschorek , Frank Ortmeier

Out-of-distribution (OOD) detection is essential for model trustworthiness which aims to sensitively identify semantic OOD samples and robustly generalize for covariate-shifted OOD samples. However, we discover that the superior OOD…

Machine Learning · Computer Science 2024-10-16 Qingyang Zhang , Qiuxuan Feng , Joey Tianyi Zhou , Yatao Bian , Qinghua Hu , Changqing Zhang

In this contribution we develop an efficient reduced order model for solving parametrized linear-quadratic optimal control problems with linear time-varying state system. The fully reduced model combines reduced basis approximations of the…

Numerical Analysis · Mathematics 2024-08-29 Hendrik Kleikamp , Lukas Renelt

Deep learning has been widely applied in recommender systems, which has achieved revolutionary progress recently. However, most existing learning-based methods assume that the user and item distributions remain unchanged between the…

Information Retrieval · Computer Science 2025-03-13 Xihong Yang , Yiqi Wang , Jin Chen , Wenqi Fan , Xiangyu Zhao , En Zhu , Xinwang Liu , Defu Lian

To ensure robust and reliable classification results, OoD (out-of-distribution) indicators based on deep generative models are proposed recently and are shown to work well on small datasets. In this paper, we conduct the first large…

Machine Learning · Computer Science 2021-08-13 Wenxiao Chen , Xiaohui Nie , Mingliang Li , Dan Pei

Large code datasets have become increasingly accessible for pre-training source code models. However, for the fine-tuning phase, obtaining representative training data that fully covers the code distribution for specific downstream tasks…

Software Engineering · Computer Science 2023-10-31 Hossein Hajipour , Ning Yu , Cristian-Alexandru Staicu , Mario Fritz

To integrate strategic, tactical and operational decisions, the two-stage optimization has been widely used to guide dynamic decision making. In this paper, we study the two-stage stochastic programming for complex systems with unknown…

Optimization and Control · Mathematics 2019-10-15 Wei Xie , Yuan Yi , Hua Zheng

To accurately reproduce measurements from the real world, simulators need to have an adequate model of the physical system and require the parameters of the model be identified. We address the latter problem of estimating parameters through…

Robotics · Computer Science 2022-03-01 Eric Heiden , Christopher E. Denniston , David Millard , Fabio Ramos , Gaurav S. Sukhatme