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Randomized experiments have been critical tools of decision making for decades. However, subjects can show significant heterogeneity in response to treatments in many important applications. Therefore it is not enough to simply know which…

机器学习 · 计算机科学 2017-09-13 Yan Zhao , Xiao Fang , David Simchi-Levi

The random forest (RF) algorithm has become a very popular prediction method for its great flexibility and promising accuracy. In RF, it is conventional to put equal weights on all the base learners (trees) to aggregate their predictions.…

机器学习 · 统计学 2023-05-18 Xinyu Chen , Dalei Yu , Xinyu Zhang

In practical machine learning settings, the data on which a model must make predictions often come from a different distribution than the data it was trained on. Here, we investigate the problem of unsupervised multi-source domain…

机器学习 · 计算机科学 2020-09-17 Dustin Wright , Isabelle Augenstein

The aim of unsupervised domain adaptation is to leverage the knowledge in a labeled (source) domain to improve a model's learning performance with an unlabeled (target) domain -- the basic strategy being to mitigate the effects of…

机器学习 · 计算机科学 2020-10-09 Zhen Fang , Jie Lu , Feng Liu , Junyu Xuan , Guangquan Zhang

In the presence of large sets of labeled data, Deep Learning (DL) has accomplished extraordinary triumphs in the avenue of computer vision, particularly in object classification and recognition tasks. However, DL cannot always perform well…

计算机视觉与模式识别 · 计算机科学 2019-01-03 Mohammad Mahfujur Rahman , Clinton Fookes , Mahsa Baktashmotlagh , Sridha Sridharan

Unsupervised domain adaptation aims to learn a model of classifier for unlabeled samples on the target domain, given training data of labeled samples on the source domain. Impressive progress is made recently by learning invariant features…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Yabin Zhang , Hui Tang , Kui Jia , Mingkui Tan

This paper addresses the problem of unsupervised domain adaption from theoretical and algorithmic perspectives. Existing domain adaptation theories naturally imply minimax optimization algorithms, which connect well with the domain…

机器学习 · 计算机科学 2019-07-24 Yuchen Zhang , Tianle Liu , Mingsheng Long , Michael I. Jordan

Domain adaptation seeks to leverage the abundant label information in a source domain to improve classification performance in a target domain with limited labels. While the field has seen extensive methodological development, its…

机器学习 · 统计学 2025-07-31 Elif Vural , Huseyin Karaca

While domain adaptation methods address data shifts, most assume target populations align with at least one source population, neglecting mixtures that combine sources influenced by factors like demographics. Additional challenges in…

统计方法学 · 统计学 2025-05-02 Keyao Zhan , Xin Xiong , Zijian Guo , Tianxi Cai , Molei Liu

Generalisation of deep neural networks becomes vulnerable when distribution shifts are encountered between train (source) and test (target) domain data. Few-shot domain adaptation mitigates this issue by adapting deep neural networks…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Youssef Dawoud , Gustavo Carneiro , Vasileios Belagiannis

Various natural language processing tasks are structured prediction problems where outputs are constructed with multiple interdependent decisions. Past work has shown that domain knowledge, framed as constraints over the output space, can…

计算与语言 · 计算机科学 2020-06-03 Xingyuan Pan , Maitrey Mehta , Vivek Srikumar

Machine learning systems must adapt to data distributions that evolve over time, in applications ranging from sensor networks and self-driving car perception modules to brain-machine interfaces. We consider gradual domain adaptation, where…

机器学习 · 计算机科学 2020-02-27 Ananya Kumar , Tengyu Ma , Percy Liang

We develop Clustered Random Forests, a random forests algorithm for clustered data, arising from independent groups that exhibit within-cluster dependence. The leaf-wise predictions for each decision tree making up clustered random forests…

统计方法学 · 统计学 2026-01-26 Elliot H. Young , Peter Bühlmann

Axis-aligned decision forests have long been the leading class of machine learning algorithms for modeling tabular data. In many applications of machine learning such as learning-to-rank, decision forests deliver remarkable performance.…

机器学习 · 计算机科学 2020-09-22 Sebastian Bruch , Jan Pfeifer , Mathieu Guillame-bert

Deep Learning is considered to be a quite young in the area of machine learning research, found its effectiveness in dealing complex yet high dimensional dataset that includes but limited to images, text and speech etc. with multiple levels…

计算机视觉与模式识别 · 计算机科学 2016-10-19 Mrutyunjaya Panda

Semi-supervised domain adaptation (SSDA) is quite a challenging problem requiring methods to overcome both 1) overfitting towards poorly annotated data and 2) distribution shift across domains. Unfortunately, a simple combination of domain…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Can Qin , Lichen Wang , Qianqian Ma , Yu Yin , Huan Wang , Yun Fu

Data augmentation is widely used for training a neural network given little labeled data. A common practice of augmentation training is applying a composition of multiple transformations sequentially to the data. Existing augmentation…

机器学习 · 计算机科学 2024-08-27 Dongyue Li , Kailai Chen , Predrag Radivojac , Hongyang R. Zhang

LiDAR semantic segmentation provides 3D semantic information about the environment, an essential cue for intelligent systems during their decision making processes. Deep neural networks are achieving state-of-the-art results on large public…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Inigo Alonso , Luis Riazuelo , Luis Montesano , Ana C. Murillo

In this paper, the problem of drone-assisted collaborative learning is considered. In this scenario, swarm of intelligent wireless devices train a shared neural network (NN) model with the help of a drone. Using its sensors, each device…

信息论 · 计算机科学 2023-08-14 Mahdi Boloursaz Mashhadi , Mahnoosh Mahdavimoghadam , Rahim Tafazolli , Walid Saad

Domain adaptation deals with adapting classifiers trained on data from a source distribution, to work effectively on data from a target distribution. In this paper, we introduce the Nonlinear Embedding Transform (NET) for unsupervised…

人工智能 · 计算机科学 2017-06-26 Hemanth Venkateswara , Shayok Chakraborty , Troy McDaniel , Sethuraman Panchanathan