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We model hypothetical bio-dispersal within a single Galactic region using the stochastic infection dynamics process, which is inspired by these local properties of life dispersal on Earth. We split the population of stellar systems into…

地球与行星天体物理 · 物理学 2022-04-27 Andjelka B. Kovacevic

Generative models have advanced significantly in realistic image synthesis, with diffusion models excelling in quality and stability. Recent multi-view diffusion models improve 3D-aware street view generation, but they struggle to produce…

计算机视觉与模式识别 · 计算机科学 2026-02-13 Ji Li , Zhiwei Li , Shihao Li , Zhenjiang Yu , Boyang Wang , Haiou Liu

Generative models such as diffusion models, excel at capturing high-dimensional distributions with diverse input modalities, e.g. robot trajectories, but are less effective at multi-step constraint reasoning. Task and Motion Planning (TAMP)…

Optical satellite images are a critical data source; however, cloud cover often compromises their quality, hindering image applications and analysis. Consequently, effectively removing clouds from optical satellite images has emerged as a…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Xuechao Zou , Kai Li , Junliang Xing , Yu Zhang , Shiying Wang , Lei Jin , Pin Tao

Given sparse views of a 3D object, estimating their camera poses is a long-standing and intractable problem. Toward this goal, we consider harnessing the pre-trained diffusion model of novel views conditioned on viewpoints (Zero-1-to-3). We…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Weihao Cheng , Yan-Pei Cao , Ying Shan

Generative models, such as GANs and diffusion models, have been used to augment training sets and boost performances in different tasks. We focus on generative models for cell detection instead, i.e., locating and classifying cells in given…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Chen Li , Xiaoling Hu , Shahira Abousamra , Meilong Xu , Chao Chen

This study introduces a novel point-wise diffusion model that processes spatio-temporal points independently to efficiently predict complex physical systems with shape variations. This methodological contribution lies in applying forward…

计算物理 · 物理学 2025-08-05 Jiyong Kim , Sunwoong Yang , Namwoo Kang

An inherent fragility of quadrotor systems stems from model inaccuracies and external disturbances. These factors hinder performance and compromise the stability of the system, making precise control challenging. Existing model-based…

机器人学 · 计算机科学 2025-06-25 Avirup Das , Rishabh Dev Yadav , Sihao Sun , Mingfei Sun , Samuel Kaski , Wei Pan

In layout-to-image (L2I) synthesis, controlled complex scenes are generated from coarse information like bounding boxes. Such a task is exciting to many downstream applications because the input layouts offer strong guidance to the…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Ruyu Wang , Xuefeng Hou , Sabrina Schmedding , Marco F. Huber

Single-particle tracking (SPT) has become a popular tool to study the intracellular transport of molecules in living cells. Inferring the character of their dynamics is important, because it determines the organization and functions of the…

定量方法 · 定量生物学 2020-09-09 Joanna Janczura , Patrycja Kowalek , Hanna Loch-Olszewska , Janusz Szwabiński , Aleksander Weron

We propose a conditional stochastic interpolation (CSI) method for learning conditional distributions. CSI is based on estimating probability flow equations or stochastic differential equations that transport a reference distribution to the…

机器学习 · 统计学 2025-08-26 Ding Huang , Jian Huang , Ting Li , Guohao Shen

As emerging massive constellations are intended to provide seamless connectivity for remote areas using hundreds of small low Earth orbit (LEO) satellites, new methodologies have great importance to study the performance of these networks.…

网络与互联网体系结构 · 计算机科学 2020-10-05 Niloofar Okati , Taneli Riihonen

With the rapidly increasing number of satellites in space and their enhanced capabilities, the amount of earth observation images collected by satellites is exceeding the transmission limits of satellite-to-ground links. Although existing…

图像与视频处理 · 电气工程与系统科学 2024-11-12 Ziyuan Zhang , Han Qiu , Maosen Zhang , Jun Liu , Bin Chen , Tianwei Zhang , Hewu Li

In satellite image analysis, distributional mismatch between the training and test data may arise due to several reasons, including unseen classes in the test data and differences in the geographic area. Deep learning based models may…

机器学习 · 计算机科学 2021-04-13 Jakob Gawlikowski , Sudipan Saha , Anna Kruspe , Xiao Xiang Zhu

Navigation by scent is a capability in robotic systems that is rising in demand. However, current methods often suffer from ambiguities, particularly when robots misattribute odours to incorrect objects due to limitations in olfactory…

机器人学 · 计算机科学 2025-09-23 Kordel K. France , Ovidiu Daescu

Estimating camera poses is a fundamental task for 3D reconstruction and remains challenging given sparsely sampled views (<10). In contrast to existing approaches that pursue top-down prediction of global parametrizations of camera…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Jason Y. Zhang , Amy Lin , Moneish Kumar , Tzu-Hsuan Yang , Deva Ramanan , Shubham Tulsiani

This paper presents an new approach for detecting in the electrical power system of satellites operating in Low Earth Orbit (LEO) without an Attitude Determination and Control Subsystem (ADCS). Components of these systems are prone to…

系统与控制 · 电气工程与系统科学 2025-07-21 Niloofar Nobahari , Alireza Rezaee

The large underlying assumption of climate models today relies on the basis of a "confident" initial condition, a reasonably plausible snapshot of the Earth for which all future predictions depend on. However, given the inherently chaotic…

应用统计 · 统计学 2025-06-03 Valerie Tsao , Nathaniel W. Chaney , Manolis Veveakis

In this work, we address the challenging problem of long-horizon goal-reaching policy learning from non-expert, action-free observation data. Unlike fully labeled expert data, our data is more accessible and avoids the costly process of…

机器学习 · 计算机科学 2024-09-09 RenMing Huang , Shaochong Liu , Yunqiang Pei , Peng Wang , Guoqing Wang , Yang Yang , Hengtao Shen

In this paper, we address the problem of plausible object placement for the challenging task of realistic image composition. We propose DiffPop, the first framework that utilizes plausibility-guided denoising diffusion probabilistic model…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Jiacheng Liu , Hang Zhou , Shida Wei , Rui Ma