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We provide a unified approach to a method of estimation of the regression parameter in balanced linear models with a structured covariance matrix that combines a high breakdown point and bounded influence with high asymptotic efficiency at…

Statistics Theory · Mathematics 2023-03-22 Hendrik Paul Lopuhaä

Linear mixed-effects model (LMM) is a cornerstone of longitudinal data analysis, but is limited to adeptly make heterogeneous analyses predictable under both group-specific fixed effects and subject-specific random effects. To address this…

Methodology · Statistics 2026-03-10 Xinkai Yue , Xiaodong Yan , Haohui Han , Liya Fu

Applications based on image retrieval require editing and associating in intermediate spaces that are representative of the high-level concepts like objects and their relationships rather than dense, pixel-level representations like RGB…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Rishi Agarwal , Tirupati Saketh Chandra , Vaidehi Patil , Aniruddha Mahapatra , Kuldeep Kulkarni , Vishwa Vinay

Data is the cornerstone of deep learning. This paper reveals that the recently developed Diffusion Model is a scalable data engine for object detection. Existing methods for scaling up detection-oriented data often require manual collection…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Manlin Zhang , Jie Wu , Yuxi Ren , Ming Li , Jie Qin , Xuefeng Xiao , Wei Liu , Rui Wang , Min Zheng , Andy J. Ma

Graph Neural Networks (GNNs) have become essential tools for learning on relational data, yet the performance of a single GNN is often limited by the heterogeneity present in real-world graphs. Recent advances in Mixture-of-Experts (MoE)…

Machine Learning · Computer Science 2025-10-22 Gangda Deng , Yuxin Yang , Ömer Faruk Akgül , Hanqing Zeng , Yinglong Xia , Rajgopal Kannan , Viktor Prasanna

Low-dimensional visualizations, or "projection maps," are widely used in scientific and creative domains to interpret large-scale and complex datasets. These visualizations not only aid in understanding existing knowledge spaces but also…

Artificial Intelligence · Computer Science 2025-05-16 Xingjian Zhang , Ziyang Xiong , Shixuan Liu , Yutong Xie , Tolga Ergen , Dongsub Shim , Hua Xu , Honglak Lee , Qiaozhu Me

Local feature matching is challenging due to textureless and repetitive patterns. Existing methods focus on using appearance features and global interaction and matching, while the importance of geometry priors in local feature matching has…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Jiahao Chang , Jiahuan Yu , Tianzhu Zhang

This paper develops a flexible distribution-free method for collective outlier detection and enumeration, designed for situations in which the presence of outliers can be detected powerfully even though their precise identification may be…

Methodology · Statistics 2026-05-19 Chiara G. Magnani , Matteo Sesia , Aldo Solari

In this report, we introduce the technical details of our submission to the VIPriors object detection challenge. Our solution is based on mmdetction of a strong baseline open-source detection toolbox. Firstly, we introduce an effective data…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Fei Shen , Xin He , Mengwan Wei , Yi Xie

With the rapid growth of Large Language Models (LLMs) across various domains, numerous new LLMs have emerged, each possessing domain-specific expertise. This proliferation has highlighted the need for quick, high-quality, and cost-effective…

Artificial Intelligence · Computer Science 2024-10-25 Dimitris Stripelis , Zijian Hu , Jipeng Zhang , Zhaozhuo Xu , Alay Dilipbhai Shah , Han Jin , Yuhang Yao , Salman Avestimehr , Chaoyang He

Mixtures of experts probabilistically divide the input space into regions, where the assumptions of each expert, or conditional model, need only hold locally. Combined with Gaussian process (GP) experts, this results in a powerful and…

Machine Learning · Statistics 2019-05-31 Charles W. L. Gadd , Sara Wade , Alexis Boukouvalas

Zero-shot graph embedding is a major challenge for supervised graph learning. Although a recent method RECT has shown promising performance, its working mechanisms are not clear and still needs lots of training data. In this paper, we give…

Machine Learning · Computer Science 2021-03-24 Zheng Wang , Ruihang Shao , Changping Wang , Changjun Hu , Chaokun Wang , Zhiguo Gong

In this paper we introduce a model of lifelong learning, based on a Network of Experts. New tasks / experts are learned and added to the model sequentially, building on what was learned before. To ensure scalability of this process,data…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Rahaf Aljundi , Punarjay Chakravarty , Tinne Tuytelaars

Text-to-image diffusion models have achieved remarkable image quality, but they still struggle with complex, multiele ment prompts, and limited stylistic diversity. To address these limitations, we propose a Multi-Expert Planning and Gen…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Yuan Zhao , Lin Liu

Unsupervised graph alignment finds the node correspondence between a pair of attributed graphs by only exploiting graph structure and node features. One category of recent studies first computes the node representation and then matches…

Machine Learning · Computer Science 2025-05-07 Songyang Chen , Yu Liu , Lei Zou , Zexuan Wang , Youfang Lin

Topic modeling analyzes documents to learn meaningful patterns of words. However, existing topic models fail to learn interpretable topics when working with large and heavy-tailed vocabularies. To this end, we develop the Embedded Topic…

Information Retrieval · Computer Science 2019-07-12 Adji B. Dieng , Francisco J. R. Ruiz , David M. Blei

The first-stage retrieval aims to retrieve a subset of candidate documents from a huge collection both effectively and efficiently. Since various matching patterns can exist between queries and relevant documents, previous work tries to…

Information Retrieval · Computer Science 2023-11-07 Yinqiong Cai , Yixing Fan , Keping Bi , Jiafeng Guo , Wei Chen , Ruqing Zhang , Xueqi Cheng

General-purpose computer-use agents have shown impressive performance across diverse digital environments. However, our new benchmark, OSExpert-Eval, indicates they remain far less helpful than human experts. Although inference-time scaling…

Artificial Intelligence · Computer Science 2026-03-10 Jiateng Liu , Zhenhailong Wang , Rushi Wang , Bingxuan Li , Jeonghwan Kim , Aditi Tiwari , Pengfei Yu , Denghui Zhang , Heng Ji

Geographic regression models of various descriptions are often applied to identify patterns and anomalies in the determinants of spatially distributed observations. These types of analyses focus on answering why questions about underlying…

Human-Computer Interaction · Computer Science 2023-08-29 Fan Lei , Yuxin Ma , Stewart Fotheringham , Elizabeth Mack , Ziqi Li , Mehak Sachdeva , Sarah Bardin , Ross Maciejewski

In this paper, we present a novel and effective inference approach to conduct both finite- and large-sample inference for high-dimensional linear regression models. This approach is developed under the so-called repro samples framework, in…

Methodology · Statistics 2025-12-01 Peng Wang , Min-Ge Xie , Linjun Zhang