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We investigate the problem of multimodal search of target modality, where the task involves enhancing a query in a specific target modality by integrating information from auxiliary modalities. The goal is to retrieve relevant objects whose…

Databases · Computer Science 2023-12-12 Mengzhao Wang , Xiangyu Ke , Xiaoliang Xu , Lu Chen , Yunjun Gao , Pinpin Huang , Runkai Zhu

When finetuning multiple tasks altogether, it is important to carefully weigh them to get a good performance, but searching for good weights can be difficult and costly. Here, we propose to aid the search with fast previews to quickly get a…

Machine Learning · Computer Science 2024-12-12 Hugo Monzón Maldonado , Thomas Möllenhoff , Nico Daheim , Iryna Gurevych , Mohammad Emtiyaz Khan

The regularity of refinable functions has been investigated deeply in the past 25 years using Fourier analysis, wavelet analysis, restricted and joint spectral radii techniques. However the shift-invariance of the underlying regular setting…

Numerical Analysis · Mathematics 2018-07-31 Maria Charina , Costanza Conti , Lucia Romani , Joachim Stöckler , Alberto Viscardi

Flight control for autonomous micro aerial vehicles (MAVs) is evolving from steady flight near equilibrium points toward more aggressive aerobatic maneuvers, such as flips, rolls, and Power Loop. Although reinforcement learning (RL) has…

Robotics · Computer Science 2026-02-12 Zhanyu Guo , Zikang Yin , Guobin Zhu , Shiliang Guo , Shiyu Zhao

An unmanned aerial vehicle (UAV)-aided mobile edge computing (MEC) framework is proposed, where several UAVs having different trajectories fly over the target area and support the user equipments (UEs) on the ground. We aim to jointly…

Signal Processing · Electrical Eng. & Systems 2020-09-24 Liang Wang , Kezhi Wang , Cunhua Pan , Wei Xu , Nauman Aslam , Lajos Hanzo

This study presents a generative optimization framework that builds on a fine-tuned diffusion model and reward-directed sampling to generate high-performance engineering designs. The framework adopts a parametric representation of the…

Machine Learning · Computer Science 2025-08-05 Hadi Keramati , Patrick Kirchen , Mohammed Hannan , Rajeev K. Jaiman

Based on the driving requirement and power balance of heavy-duty vehicle equipped with Electro-Mechanical Transmission (EMT), optimization goals under different driving patterns are put forward. The optimization objectives are changed into…

Systems and Control · Electrical Eng. & Systems 2025-12-30 Yanbo Li , Jinsong Li , Zongjue Liu , Riming Xu

Multiphase flows are an important class of fluid flow and their study facilitates the development of diverse applications in industrial, natural, and biomedical systems. We consider a model that uses a continuum description of both phases…

Fluid Dynamics · Physics 2025-08-04 Bindi M. Nagda , Aaron Barrett , Boyce E. Griffith , Aaron L. Fogelson , Jian Du

This paper investigates the use of Multi-Task Bayesian Optimization for tuning decentralized trajectory generation algorithms in multi-drone systems. We treat each task as a trajectory generation scenario defined by a specific number of…

Robotics · Computer Science 2025-12-10 Marta Manzoni , Alessandro Nazzari , Roberto Rubinacci , Marco Lovera

Complete and textured 3D reconstruction of dynamic scenes has been facilitated by mapped RGB and depth information acquired by RGB-D cameras based multi-view systems. One of the most critical steps in such multi-view systems is to determine…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Hassan Afzal , Djamila Aouada , Michel Antunes , David Fofi , Bruno Mirbach , Björn Ottersten

Geometric model fitting is a fundamental research topic in computer vision and it aims to fit and segment multiple-structure data. In this paper, we propose a novel superpixel-guided two-view geometric model fitting method (called SDF),…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Guobao Xiao , Hanzi Wang , Yan Yan , David Suter

We present an optimization-based framework for multicopter trajectory planning subject to geometrical configuration constraints and user-defined dynamic constraints. The basis of the framework is a novel trajectory representation built upon…

Robotics · Computer Science 2022-04-15 Zhepei Wang , Xin Zhou , Chao Xu , Fei Gao

Enabling robots to solve multiple manipulation tasks has a wide range of industrial applications. While learning-based approaches enjoy flexibility and generalizability, scaling these approaches to solve such compositional tasks remains a…

Machine Learning · Computer Science 2021-09-17 Michael H. Lim , Andy Zeng , Brian Ichter , Maryam Bandari , Erwin Coumans , Claire Tomlin , Stefan Schaal , Aleksandra Faust

This paper is concerned with developing accurate and efficient numerical methods for one-dimensional fully nonlinear second order elliptic and parabolic partial differential equations (PDEs). In the paper we present a general framework for…

Numerical Analysis · Mathematics 2012-12-04 Xiaobing Feng , Thomas Lewis

For classification problems, feature extraction is a crucial process which aims to find a suitable data representation that increases the performance of the machine learning algorithm. According to the curse of dimensionality theorem, the…

Machine Learning · Computer Science 2010-10-12 Ilknur Icke , Andrew Rosenberg

A set of fully numerical algorithms for evaluating the four-dimensional singular integrals arising from Galerkin surface integral equation methods over conforming quadrilateral meshes is presented. This work is an extension of DIRECTFN,…

Computational Physics · Physics 2018-02-14 Alexandra Tambova , Mikhail Litsarev , Georgy Guryev , Athanasios G. Polimeridis

Recently, researchers have utilized neural networks to accurately solve partial differential equations (PDEs), enabling the mesh-free method for scientific computation. Unfortunately, the network performance drops when encountering a high…

Machine Learning · Computer Science 2021-09-29 Pongpisit Thanasutives , Masayuki Numao , Ken-ichi Fukui

The traditional multicopter design method usually requires a long iterative process to find the optimal design based on given performance requirements. The method is uneconomical and inefficient. In this paper, a practical method is…

Systems and Control · Electrical Eng. & Systems 2019-08-20 Xunhua Dai , Quan Quan , Kai-Yuan Cai

We propose an inverse design framework for metasurfaces that achieves highly uniform two-dimensional intensity profiles across an on-demand shape. The optimization objective is formulated to enhance overall projection efficiency via the…

Optics · Physics 2025-09-22 Yushi Zhou , Yun-Sheng Chen , Yang Zhao

Magnetic resonance imaging (MRI) acquisition, reconstruction, and segmentation are usually processed independently in the conventional practice of MRI workflow. It is easy to notice that there are significant relevances among these tasks…

Image and Video Processing · Electrical Eng. & Systems 2021-05-17 Zhiwen Wang , Wenjun Xia , Zexin Lu , Yongqiang Huang , Yan Liu , Hu Chen , Jiliu Zhou , Yi Zhang