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We present a networked, high performance graphics system that combines dynamic, high quality, ray traced global illumination computed on a server with direct illumination and primary visibility computed on a client. This approach provides…

分布式、并行与集群计算 · 计算机科学 2021-03-11 Michael Stengel , Zander Majercik , Benjamin Boudaoud , Morgan McGuire

Indexing of static and dynamic sets is fundamental to a large set of applications such as information retrieval and caching. Denoting the characteristic vector of the set by B, we consider the problem of encoding sets and multisets to…

数据结构与算法 · 计算机科学 2018-09-17 Ran Ben Basat , Seungbum Jo , Srinivasa Rao Satti , Shubham Ugare

Motivated by applications in machine learning and statistics, we study distributed optimization problems over a network of processors, where the goal is to optimize a global objective composed of a sum of local functions. In these problems,…

最优化与控制 · 数学 2019-05-14 Thinh T. Doan , Carolyn L. Beck , R. Srikant

We consider a separation problem where the observation consists of the sum of a high amplitude smooth signal and a low amplitude transient signal. We propose a method for decomposition that relies on solving instances of a `constrained…

信号处理 · 电气工程与系统科学 2020-07-15 Ilker Bayram

Bach et al. [1] recently presented an algorithm for constructing confluent drawings, by leveraging power graph decomposition to generate an auxiliary routing graph. We identify two issues with their method which we call the node split and…

计算几何 · 计算机科学 2019-09-04 Jonathan X. Zheng , Samraat Pawar , Dan F. M. Goodman

We propose a method for solving the hidden subgroup problem in nilpotent groups. The main idea is iteratively transforming the hidden subgroup to its images in the quotient groups by the members of a central series, eventually to its image…

量子物理 · 物理学 2023-04-18 Muhammad Imran , Gabor Ivanyos

With the increasing use of IoT-enabled sensors, it is important to have effective methods for querying the sensors. For example, in a dense network of battery-driven temperature sensors, it is often possible to query (sample) just a subset…

社会与信息网络 · 计算机科学 2022-02-21 Roshni Chakraborty , Josefine Holm , Torben Bach Pedersen , Petar Popovski

In this paper we propose the Ray-Patch querying, a novel model to efficiently query transformers to decode implicit representations into target views. Our Ray-Patch decoding reduces the computational footprint and increases inference speed…

计算机视觉与模式识别 · 计算机科学 2023-08-21 T. Berriel Martins , Javier Civera

We study the computational complexity of one of the particular cases of the knapsack problem: the subset sum problem. For solving this problem we consider one of the basic variants of the Branch-and-Bound method in which any sub-problem is…

数据结构与算法 · 计算机科学 2015-06-23 Roman Kolpakov , Mikhail Posypkin

We present a new algorithmic paradigm for the decentralized solution of graph-structured optimization problems that arise in the estimation and control of network systems. A key and novel design concept of the proposed approach is that it…

最优化与控制 · 数学 2020-04-01 Sungho Shin , Victor M. Zavala , Mihai Anitescu

In this paper, we discuss an efficient algorithm for computing the growth distance between two compact convex sets with representable support functions. The growth distance between two sets is the minimum scaling factor such that the sets…

机器人学 · 计算机科学 2026-04-14 Akshay Thirugnanam , Koushil Sreenath

Synthesizing a densely sampled light field from a single image is highly beneficial for many applications. Moreover, jointly solving both angular and spatial super-resolution problem also introduces new possibilities in light field imaging.…

图像与视频处理 · 电气工程与系统科学 2020-06-30 Andre Ivan , Williem , In Kyu Park

Computational color constancy refers to the problem of computing the illuminant color so that the images of a scene under varying illumination can be normalized to an image under the canonical illumination. In this paper, we adopt a deep…

计算机视觉与模式识别 · 计算机科学 2016-08-30 Seoung Wug Oh , Seon Joo Kim

The world is composed of objects, the ground, and the sky. Visual perception of objects requires solving two fundamental challenges: segmenting visual input into discrete units, and tracking identities of these units despite appearance…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Thomas Tsao , Doris Y. Tsao

Recent work has shown that diffusion models can serve as powerful neural rendering engines that can be leveraged for inserting virtual objects into images. However, unlike typical physics-based renderers, these neural rendering engines are…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Frédéric Fortier-Chouinard , Zitian Zhang , Louis-Etienne Messier , Mathieu Garon , Anand Bhattad , Jean-François Lalonde

Blended light is an important source of degeneracy in the characterization of microlensing events, particularly in binary-lens and high magnification events. We show how the techniques of image subtraction can be applied to form an image of…

天体物理学 · 物理学 2007-05-23 Andrew Gould , Jin H. An

We discuss a structural approach to subset-sum problems in additive combinatorics. The core of this approach are Freiman-type structural theorems, many of which will be presented through the paper. These results have applications in various…

组合数学 · 数学 2008-04-22 Van Vu

By a numerical continuation method called a diagonal homotopy we can compute the intersection of two positive dimensional solution sets of polynomial systems. This paper proposes to use this diagonal homotopy as the key step in a procedure…

数值分析 · 数学 2007-05-23 Andrew J. Sommese , Jan Verschelde , Charles W. Wampler

The problem of exactly summing n floating-point numbers is a fundamental problem that has many applications in large-scale simulations and computational geometry. Unfortunately, due to the round-off error in standard floating-point…

数据结构与算法 · 计算机科学 2016-05-19 Michael T. Goodrich , Ahmed Eldawy

Outlier explanation is the task of identifying a set of features that distinguish a sample from normal data, which is important for downstream (human) decision-making. Existing methods are based on beam search in the space of feature…

机器学习 · 计算机科学 2022-07-19 Stefan Lüdtke , Christian Bartelt , Heiner Stuckenschmidt