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Diffusion models are powerful, but they require a lot of time and data to train. We propose Patch Diffusion, a generic patch-wise training framework, to significantly reduce the training time costs while improving data efficiency, which…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Zhendong Wang , Yifan Jiang , Huangjie Zheng , Peihao Wang , Pengcheng He , Zhangyang Wang , Weizhu Chen , Mingyuan Zhou

Traditional vision-based autonomous driving systems often face difficulties in navigating complex environments when relying solely on single-image inputs. To overcome this limitation, incorporating temporal data such as past image frames or…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Tuong Do , Binh X. Nguyen , Quang D. Tran , Erman Tjiputra , Te-Chuan Chiu , Anh Nguyen

We propose Enhash, a fast ensemble learner that detects \textit{concept drift} in a data stream. A stream may consist of abrupt, gradual, virtual, or recurring events, or a mixture of various types of drift. Enhash employs projection hash…

机器学习 · 计算机科学 2020-11-10 Aashi Jindal , Prashant Gupta , Debarka Sengupta , Jayadeva

Transfer learning assumes classifiers of similar tasks share certain parameter structures. Unfortunately, modern classifiers uses sophisticated feature representations with huge parameter spaces which lead to costly transfer. Under the…

机器学习 · 统计学 2015-10-20 Song Liu , Kenji Fukumizu

Concept drift -- the change of the distribution over time -- poses significant challenges for learning systems and is of central interest for monitoring. Understanding drift is thus paramount, and drift localization -- determining which…

机器学习 · 计算机科学 2026-04-22 Fabian Hinder , Valerie Vaquet , Johannes Brinkrolf , Barbara Hammer

Diffusion models have emerged as powerful generative frameworks by progressively adding noise to data through a forward process and then reversing this process to generate realistic samples. While these models have achieved strong…

机器学习 · 计算机科学 2025-03-04 Xingzhuo Guo , Yu Zhang , Baixu Chen , Haoran Xu , Jianmin Wang , Mingsheng Long

Deep metric learning maps visually similar images onto nearby locations and visually dissimilar images apart from each other in an embedding manifold. The learning process is mainly based on the supplied image negative and positive training…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Chang-Hui Liang , Wan-Lei Zhao , Run-Qing Chen

The prevailing Direct Forecasting (DF) paradigm dominates Long-term Time Series Forecasting (LTSF) by forcing models to predict the entire future horizon in a single forward pass. While efficient, this rigid coupling of output and…

机器学习 · 计算机科学 2026-02-03 Jiaming Ma , Siyuan Mu , Ruilin Tang , Haofeng Ma , Qihe Huang , Zhengyang Zhou , Pengkun Wang , Binwu Wang , Yang Wang

Drift analysis is one of the state-of-the-art techniques for the runtime analysis of randomized search heuristics (RSHs) such as evolutionary algorithms (EAs), simulated annealing etc. The vast majority of existing drift theorems yield…

神经与进化计算 · 计算机科学 2018-05-30 Per Kristian Lehre , Carsten Witt

Fine-tuning flow matching models is a central challenge in settings with limited data, evolving distributions, or strict efficiency demands, where unconstrained fine-tuning can erode the accuracy and efficiency gains learned during…

机器学习 · 计算机科学 2026-02-02 Gudrun Thorkelsdottir , Arindam Banerjee

Drift diffusion models (DDMs) have found widespread use in computational neuroscience and other fields. They model evidence accumulation in simple decision tasks as a stochastic process drifting towards a decision barrier. In models where…

统计方法学 · 统计学 2025-12-12 Sicheng Liu , Alexander Fengler , Michael J. Frank , Matthew T. Harrison

One-shot semantic image segmentation aims to segment the object regions for the novel class with only one annotated image. Recent works adopt the episodic training strategy to mimic the expected situation at testing time. However, these…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Tao Chen , Guosen Xie , Yazhou Yao , Qiong Wang , Fumin Shen , Zhenmin Tang , Jian Zhang

We present a continuous time state estimation framework that unifies traditionally individual tasks of smoothing, tracking, and forecasting (STF), for a class of targets subject to smooth motion processes, e.g., the target moves with nearly…

应用统计 · 统计学 2021-04-21 Tiancheng Li , Huimin Chen , Shudong Sun , Juan M Corchado

Fixed-budget theory is concerned with computing or bounding the fitness value achievable by randomized search heuristics within a given budget of fitness function evaluations. Despite recent progress in fixed-budget theory, there is a lack…

神经与进化计算 · 计算机科学 2020-06-15 Timo Kötzing , Carsten Witt

The label shift problem refers to the supervised learning setting where the train and test label distributions do not match. Existing work addressing label shift usually assumes access to an \emph{unlabelled} test sample. This sample may be…

机器学习 · 计算机科学 2021-08-18 Jingzhao Zhang , Aditya Menon , Andreas Veit , Srinadh Bhojanapalli , Sanjiv Kumar , Suvrit Sra

Model usage is the central challenge of model-based reinforcement learning. Although dynamics model based on deep neural networks provide good generalization for single step prediction, such ability is over exploited when it is used to…

机器学习 · 计算机科学 2020-06-30 Chi Zhang , Sanmukh Rao Kuppannagari , Viktor K Prasanna

Data Drift is the phenomenon where the generating model behind the data changes over time. Due to data drift, any model built on the past training data becomes less relevant and inaccurate over time. Thus, detecting and controlling for data…

机器学习 · 计算机科学 2025-04-29 Subhadip Bandyopadhyay , Joy Bose , Sujoy Roy Chowdhury

In this paper we provide a thorough, rigorous theoretical framework to assess optimality guarantees of sampling-based algorithms for drift control systems: systems that, loosely speaking, can not stop instantaneously due to momentum. We…

机器人学 · 计算机科学 2015-10-28 Edward Schmerling , Lucas Janson , Marco Pavone

Machine learning (ML) represents an efficient and popular approach for network traffic classification. However, network traffic classification is a challenging domain, and trained models may degrade soon after deployment due to the obsolete…

机器学习 · 计算机科学 2026-01-01 Dominik Soukup , Richard Plný , Daniel Vašata , Tomáš Čejka

Aiming at better representing multivariate relationships, this paper investigates a motif dimensional framework for higher-order graph learning. The graph learning effectiveness can be improved through OFFER. The proposed framework mainly…

社会与信息网络 · 计算机科学 2020-08-31 Shuo Yu , Feng Xia , Jin Xu , Zhikui Chen , Ivan Lee
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