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Implicit Neural Representations (INRs) have recently exhibited immense potential in the field of scientific visualization for both data generation and visualization tasks. However, these representations often consist of large multi-layer…

Graphics · Computer Science 2023-04-11 Qi Wu , David Bauer , Yuyang Chen , Kwan-Liu Ma

Numerical integration over the implicitly defined domains is challenging due to topological variances of implicit functions. In this paper, we use interval arithmetic to identify the boundary of the integration domain exactly, thus getting…

Numerical Analysis · Mathematics 2024-12-20 Tianhui Yang , Ammar Qarariyah , Hongmei Kang , Jiansong Deng

Explaining deep learning models in a way that humans can easily understand is essential for responsible artificial intelligence applications. Attribution methods constitute an important area of explainable deep learning. The attribution…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Michal Byra , Henrik Skibbe

In recent years, deep learning methods have achieved impressive results with higher peak signal-to-noise ratio in single image super-resolution (SISR) tasks by utilizing deeper layers. However, their application is quite limited since they…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Hailong Ma , Xiangxiang Chu , Bo Zhang , Shaohua Wan , Bo Zhang

In this paper we study a new approach in optimization that aims to search a large domain D where a given function takes large, small or specific values via an iterative optimization algorithm based on the gradient. We show that the…

Optimization and Control · Mathematics 2020-05-21 Raian Noufel Lefgoum

In this contribution we introduce a mixed interpolation-regression operator for functions defined in some domains of the plane. We focus the attention on the ellipse, an annulus and a polygon. An upper bound for such an operator is…

Numerical Analysis · Mathematics 2026-04-28 Ruymán Cruz-Barroso , Lidia Fernández , Francisco Marcellán , Juan Antonio Villegas

We present a mapping system capable of constructing detailed instance-level semantic models of room-sized indoor environments by means of an RGB-D camera. In this work, we integrate deep-learning-based instance segmentation and…

Robotics · Computer Science 2019-11-22 Dinh-Cuong Hoang , Todor Stoyanov , Achim J. Lilienthal

Ray tracing algorithms that compute pulse profiles from rotating neutron stars are essential tools for constraining neutron-star properties with data from missions such as NICER. However, the high computational cost of these simulations…

High Energy Astrophysical Phenomena · Physics 2025-06-16 Preston G. Waldrop , Dimitrios Psaltis , Tong Zhao

Recent advances in deep learning have allowed neural networks (NNs) to successfully replace traditional numerical solvers in many applications, thus enabling impressive computing gains. One such application is time domain simulation, which…

Machine Learning · Computer Science 2021-12-09 Samuel Chevalier , Jochen Stiasny , Spyros Chatzivasileiadis

Explaining recommendations enables users to understand whether recommended items are relevant to their needs and has been shown to increase their trust in the system. More generally, if designing explainable machine learning models is key…

Machine Learning · Computer Science 2020-08-27 Darius Afchar , Romain Hennequin

Large-scale semantic mapping is crucial for outdoor autonomous agents to fulfill high-level tasks such as planning and navigation. This paper proposes a novel method for large-scale 3D semantic reconstruction through implicit…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Jianyuan Zhang , Zhiliu Yang , Meng Zhang

The conjugate function method is an algorithm for numerical computation of conformal mappings for simply and multiply connected domains on surfaces. In this paper the conjugate function method, earlier used for simply connected domains, is…

Numerical Analysis · Mathematics 2026-05-26 H. Hakula , A. Rasila , Y. Zheng

Large pre-trained models, or foundation models, have shown impressive performance when adapted to a variety of downstream tasks, often out-performing specialized models. Hypernetworks, neural networks that generate some or all of the…

Machine Learning · Computer Science 2025-03-04 Jeffrey Gu , Serena Yeung-Levy

Implicit neural representations (INR) have gained significant popularity for signal and image representation for many end-tasks, such as superresolution, 3D modeling, and more. Most INR architectures rely on sinusoidal positional encoding,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Rajhans Singh , Ankita Shukla , Pavan Turaga

We construct a spatial indexing solution for the highly constrained environment of an in-vehicle unit in a distributed vehicle tolling scheme based on satellite navigation (GNSS). We show that an immutable, purely functional implementation…

Data Structures and Algorithms · Computer Science 2014-08-04 Magnus Lie Hetland , Ola Martin Lykkja

Pole-like landmark has received increasing attention as a domain-invariant visual cue for visual robot self-localization across domains (e.g., seasons, times of day, weathers). However, self-localization using pole-like landmarks can be…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Kanji Tanaka

3D object reconstruction based on deep neural networks has gained increasing attention in recent years. However, 3D reconstruction of underground objects to generate point cloud maps remains a challenge. Ground Penetrating Radar (GPR) is…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Jinchang Zhang , Guoyu Lu

We develop a new algorithm for inference in structural vector autoregressions (SVARs) identified with sign restrictions that can accommodate big data and modern identification schemes. The key innovation of our approach is to move beyond…

Econometrics · Economics 2026-04-13 Jonas E. Arias , Juan F. Rubio-Ramírez , Daniel Rudolf , Minchul Shin

We present a new paradigm for speeding up randomized computations of several frequently used functions in machine learning. In particular, our paradigm can be applied for improving computations of kernels based on random embeddings. Above…

Machine Learning · Statistics 2016-04-26 Krzysztof Choromanski , Francois Fagan

An optical neural network is proposed and demonstrated with programmable matrix transformation and nonlinear activation function of photodetection (square-law detection). Based on discrete phase-coherent spatial modes, the dimensionality of…

Optics · Physics 2021-08-20 Shikang Li , Baohua Ni , Xue Feng , Kaiyu Cui , Fang Liu , Wei Zhang , Yidong Huang