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We propose a new deep learning-based method for estimating the occupancy of vegetation strata from airborne 3D LiDAR point clouds. Our model predicts rasterized occupancy maps for three vegetation strata corresponding to lower, medium, and…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Ekaterina Kalinicheva , Loic Landrieu , Clément Mallet , Nesrine Chehata

Upcoming cosmological weak lensing surveys are expected to constrain cosmological parameters with unprecedented precision. In preparation for these surveys, large simulations with realistic galaxy populations are required to test and…

星系天体物理 · 物理学 2022-12-13 Yesukhei Jagvaral , Rachel Mandelbaum , Francois Lanusse

Hyperspectral Image (HSI) classification is an important issue in remote sensing field with extensive applications in earth science. In recent years, a large number of deep learning-based HSI classification methods have been proposed.…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Ning Chen , Jun Yue , Leyuan Fang , Shaobo Xia

We present a diffusion-based, generative model for conformer generation. Our model is focused on the reproduction of bonded structure and is constructed from the associated terms traditionally found in classical force fields to ensure a…

生物大分子 · 定量生物学 2024-03-18 David C. Williams , Neil Inala

Using recent advances in generative artificial intelligence (AI) brought by diffusion models, this paper introduces a new synergistic method for spectral computed tomography (CT) reconstruction. Diffusion models define a neural network to…

How do score-based generative models (SBMs) learn the data distribution supported on a low-dimensional manifold? We investigate the score model of a trained SBM through its linear approximations and subspaces spanned by local feature…

机器学习 · 统计学 2023-11-17 Li Kevin Wenliang , Ben Moran

Super-resolving the coarse outputs of global climate simulations, termed downscaling, is crucial in making political and social decisions on systems requiring long-term climate change projections. Existing fast super-resolution techniques,…

大气与海洋物理 · 物理学 2023-04-18 Norihiro Oyama , Noriko N. Ishizaki , Satoshi Koide , Hiroaki Yoshida

The stochastic formation of defects during Laser Powder Bed Fusion (L-PBF) negatively impacts its adoption for high-precision use cases. Optical monitoring techniques can be used to identify defects based on layer-wise imaging, but these…

图像与视频处理 · 电气工程与系统科学 2024-09-23 Francis Ogoke , Sumesh Kalambettu Suresh , Jesse Adamczyk , Dan Bolintineanu , Anthony Garland , Michael Heiden , Amir Barati Farimani

Novel view synthesis via Neural Radiance Fields (NeRFs) or 3D Gaussian Splatting (3DGS) typically necessitates dense observations with hundreds of input images to circumvent artifacts. We introduce Deceptive-NeRF/3DGS to enhance sparse-view…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Xinhang Liu , Jiaben Chen , Shiu-hong Kao , Yu-Wing Tai , Chi-Keung Tang

Multispectral and hyperspectral imagery are widely used in agriculture, environmental monitoring, and urban planning due to their complementary spatial and spectral characteristics. A fundamental trade-off persists: multispectral imagery…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Tang Sui , Songxi Yang , Qunying Huang

Deep generative models have shown immense potential in generating unseen data that has properties of real data. These models learn complex data-generating distributions starting from a smaller set of latent dimensions. However, generative…

太阳与恒星天体物理 · 物理学 2026-02-23 Subhamoy Chatterjee , Andres Munoz-Jaramillo , Anna Malanushenko

Proximal soil sensors are taking hold in the understanding of soil hydrogeological processes involved in precision agriculture. In this context, permanently installed gamma ray spectroscopy stations represent one of the best space-time…

Advancements in unmanned aerial vehicle (UAV) remote sensing with spectral imaging enable efficient assessment of critical agronomic traits. However, existing reflectance calibration or generation methods suffer from limited prediction…

信号处理 · 电气工程与系统科学 2024-12-30 Jiayang Xie , Yutao Shen , Haiyan Cen

Score-based generative models have demonstrated significant practical success in data-generating tasks. The models establish a diffusion process that perturbs the ground truth data to Gaussian noise and then learn the reverse process to…

机器学习 · 计算机科学 2024-05-24 Ziqing Wen , Xiaoge Deng , Ping Luo , Tao Sun , Dongsheng Li

Soil Organic Carbon (SOC) constitutes a fundamental component of terrestrial ecosystem functionality, playing a pivotal role in nutrient cycling, hydrological balance, and erosion mitigation. Precise mapping of SOC distribution is…

计算机视觉与模式识别 · 计算机科学 2024-08-15 Nafiseh Kakhani , Moien Rangzan , Ali Jamali , Sara Attarchi , Seyed Kazem Alavipanah , Michael Mommert , Nikolaos Tziolas , Thomas Scholten

Score-based generative models can effectively learn the distribution of data by estimating the gradient of the distribution. Due to the multi-step denoising characteristic, researchers have recently considered combining score-based…

机器学习 · 计算机科学 2024-12-17 Changyuan Zhao , Hongyang Du , Guangyuan Liu , Dusit Niyato

Deep learning has proven to yield fast and accurate predictions of quantum-chemical properties to accelerate the discovery of novel molecules and materials. As an exhaustive exploration of the vast chemical space is still infeasible, we…

机器学习 · 统计学 2020-01-10 Niklas W. A. Gebauer , Michael Gastegger , Kristof T. Schütt

Score-based diffusion models are a powerful class of generative models, widely utilized across diverse domains. Despite significant advancements in large-scale tasks such as text-to-image generation, their application to constrained domains…

机器学习 · 计算机科学 2025-07-15 Saeid Naderiparizi , Xiaoxuan Liang , Setareh Cohan , Berend Zwartsenberg , Frank Wood

In this work, we propose a novel Trajectory Score Matching (TSM) method that aims to solve the pseudo ground truth inconsistency problem caused by the accumulated error in Interval Score Matching (ISM) when using the Denoising Diffusion…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Xingyu Miao , Haoran Duan , Varun Ojha , Jun Song , Tejal Shah , Yang Long , Rajiv Ranjan

3D LiDAR sensors are indispensable for the robust vision of autonomous mobile robots. However, deploying LiDAR-based perception algorithms often fails due to a domain gap from the training environment, such as inconsistent angular…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Kazuto Nakashima , Yumi Iwashita , Ryo Kurazume