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Network traffic classification (NTC) models often suffer severe performance degradation when deployed in real-world environments due to distribution shifts caused by changing network conditions. Existing robustness-enhancing approaches are…

Machine Learning · Computer Science 2026-05-19 Tongze Wang , Xiaohui Xie , Wenduo Wang , Chuyi Wang , Yong Cui

Human action recognition (HAR) with multi-modal inputs (RGB-D, skeleton, point cloud) can achieve high accuracy but typically relies on large labeled datasets and degrades sharply when sensors fail or are noisy. We present Robust…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Hasan Akgul , Mari Eplik , Javier Rojas , Akira Yamamoto , Rajesh Kumar , Maya Singh

We propose a unified representation learning framework to address the Cross Model Compatibility (CMC) problem in the context of visual search applications. Cross compatibility between different embedding models enables the visual search…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Chien-Yi Wang , Ya-Liang Chang , Shang-Ta Yang , Dong Chen , Shang-Hong Lai

Typical inverse rendering methods focus on learning implicit neural scene representations by modeling the geometry, materials and illumination separately, which entails significant computations for optimization. In this work we design a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Shuang Wu , Songlin Tang , Guangming Lu , Jianzhuang Liu , Wenjie Pei

In present object detection systems, the deep convolutional neural networks (CNNs) are utilized to predict bounding boxes of object candidates, and have gained performance advantages over the traditional region proposal methods. However,…

Computer Vision and Pattern Recognition · Computer Science 2016-08-05 Jiahui Yu , Yuning Jiang , Zhangyang Wang , Zhimin Cao , Thomas Huang

Real-world visual search systems involve deployments on multiple platforms with different computing and storage resources. Deploying a unified model that suits the minimal-constrain platforms leads to limited accuracy. It is expected to…

Artificial Intelligence · Computer Science 2023-03-24 Shengsen Wu , Yan Bai , Yihang Lou , Xiongkun Linghu , Jianzhong He , Ling-Yu Duan

Unified Multimodal Models (uMMs) aim to support both visual understanding and visual generation within a shared representation. However, existing evaluation protocols assess these two capabilities independently and do not examine whether…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Weixing Wang , Liudvikas Zekas , Anton Hackl , Constantin Alexander Auga , Parisa Shahabinejad , Jona Otholt , Antonio Rueda-Toicen , Gerard de Melo

Hyperspectral imaging is a powerful technology that is plagued by large dimensionality. Herein, we explore a way to combat that hindrance via non-contiguous and contiguous (simpler to realize sensor) band grouping for dimensionality…

Image and Video Processing · Electrical Eng. & Systems 2019-05-31 Muhammad Aminul Islam , Derek T. Anderson , John E. Ball , Nicolas H. Younan

Fine-grained image-text alignment is a pivotal challenge in multimodal learning, underpinning key applications such as visual question answering, image captioning, and vision-language navigation. Unlike global alignment, fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Jiale Liu , Haoming Zhou , Yishu Liu , Bingzhi Chen , Yuncheng Jiang

Covariate shift occurs prevalently in practice, where the input distributions of the source and target data are substantially different. Despite its practical importance in various learning problems, most of the existing methods only focus…

Machine Learning · Statistics 2023-10-20 Xingdong Feng , Xin He , Caixing Wang , Chao Wang , Jingnan Zhang

Deep learning has achieved great success in recent years with the aid of advanced neural network structures and large-scale human-annotated datasets. However, it is often costly and difficult to accurately and efficiently annotate…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Chen Feng , Ioannis Patras

In this work, we propose an unsupervised method for learning dense correspondences between shapes using a recent deep functional map framework. Instead of depending on ground-truth correspondences or the computationally expensive geodesic…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Mehmet Aygün , Zorah Lähner , Daniel Cremers

We present a comprehensive study of the commute time kernel method via the effective resistance framework analyzing the quantum complexity of the originally classical approach. Our study reveals that while there is a trade-off between…

Quantum Physics · Physics 2026-01-06 Adam Wesołowski , Karim Essafi

Unified Multimodal Models (UMMs) built on shared autoregressive (AR) transformers are attractive for their architectural simplicity. However, we identify a critical limitation: when trained on multimodal inputs, modality-shared transformers…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Jitai Hao , Hao Liu , Xinyan Xiao , Qiang Huang , Jun Yu

Compressing Deep Neural Network (DNN) models to alleviate the storage and computation requirements is essential for practical applications, especially for resource limited devices. Although capable of reducing a reasonable amount of model…

Machine Learning · Computer Science 2021-06-17 Sheng Lin , Wei Jiang , Wei Wang , Kaidi Xu , Yanzhi Wang , Shan Liu , Songnan Li

Visual Dialog aims to answer multi-round, interactive questions based on the dialog history and image content. Existing methods either consider answer ranking and generating individually or only weakly capture the relation across the two…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Cheng Chen , Yudong Zhu , Zhenshan Tan , Qingrong Cheng , Xin Jiang , Qun Liu , Xiaodong Gu

Learning discriminative representations is a central goal of supervised deep learning. While cross-entropy (CE) remains the dominant objective for classification, it does not explicitly enforce desirable geometric properties in the…

Machine Learning · Computer Science 2026-04-13 Matheus Vinícius Todescato , Joel Luís Carbonera

This paper presents new methodology for computationally efficient kernel density estimation. It is shown that a large class of kernels allows for exact evaluation of the density estimates using simple recursions. The same methodology can be…

Computation · Statistics 2019-11-12 David P. Hofmeyr

Standard convolutions are prevalent in image processing and deep learning, but their fixed kernels limits adaptability. Several deformation strategies of the reference kernel grid have been proposed. Yet, they lack a unified theoretical…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Thomas Dagès , Michael Lindenbaum , Alfred M. Bruckstein

The self-supervised ultrasound (US) video model pretraining can use a small amount of labeled data to achieve one of the most promising results on US diagnosis. However, it does not take full advantage of multi-level knowledge for learning…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Chunhui Zhang , Yixiong Chen , Li Liu , Qiong Liu , Xi Zhou