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We present DiffPortrait3D, a conditional diffusion model that is capable of synthesizing 3D-consistent photo-realistic novel views from as few as a single in-the-wild portrait. Specifically, given a single RGB input, we aim to synthesize…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Yuming Gu , You Xie , Hongyi Xu , Guoxian Song , Yichun Shi , Di Chang , Jing Yang , Linjie Luo

Evaluating text-to-image generation models requires alignment with human perception, yet existing human-centric metrics are constrained by limited data coverage, suboptimal feature extraction, and inefficient loss functions. To address…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Yuhang Ma , Yunhao Shui , Xiaoshi Wu , Keqiang Sun , Hongsheng Li

The text-to-image synthesis by diffusion models has recently shown remarkable performance in generating high-quality images. Although performs well for simple texts, the models may get confused when faced with complex texts that contain…

计算机视觉与模式识别 · 计算机科学 2024-01-15 Chang Yu , Junran Peng , Xiangyu Zhu , Zhaoxiang Zhang , Qi Tian , Zhen Lei

Parton Distribution Functions (PDFs) are essential non-perturbative inputs for calculation of any observable with hadronic initial states. These PDFs are released by individual groups as discrete grids as a function of the Bjorken-x and…

高能物理 - 唯象学 · 物理学 2019-10-08 D. B. Clark , E. Godat , F. I. Olness

AMORPH utilizes a new Bayesian statistical approach to interpreting X-ray diffraction results of samples with both crystalline and amorphous components. AMORPH fits X-ray diffraction patterns with a mixture of narrow and wide components,…

数据分析、统计与概率 · 物理学 2018-08-15 Michael C. Rowe , Brendon J. Brewer

In this report, we introduce UltraShape 1.0, a scalable 3D diffusion framework for high-fidelity 3D geometry generation. The proposed approach adopts a two-stage generation pipeline: a coarse global structure is first synthesized and then…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Tanghui Jia , Dongyu Yan , Dehao Hao , Yang Li , Kaiyi Zhang , Xianyi He , Lanjiong Li , Yuhan Wang , Jinnan Chen , Lutao Jiang , Qishen Yin , Long Quan , Ying-Cong Chen , Li Yuan

A method providing optimal estimate of probability density functions (PDFs) from time series is proposed. It allows almost arbitrary resolution PDFs when applied to either, sampled analytic functions or digitized data from experiments. When…

数据分析、统计与概率 · 物理学 2007-05-30 R. Labbé

Reliable parameter extraction from experimental data is central to quantitative analysis in spectroscopy, diffraction, photoluminescence, chromatography, microscopy, and time-resolved measurements. We present FitED, a Python-based desktop…

数据分析、统计与概率 · 物理学 2026-05-04 Mustafa Mahmoud Aboulsaad

We present appjsonify, a Python-based PDF-to-JSON conversion toolkit for academic papers. It parses a PDF file using several visual-based document layout analysis models and rule-based text processing approaches. appjsonify is a flexible…

计算与语言 · 计算机科学 2023-10-04 Atsuki Yamaguchi , Terufumi Morishita

Text-to-3D with diffusion models has achieved remarkable progress in recent years. However, existing methods either rely on score distillation-based optimization which suffer from slow inference, low diversity and Janus problems, or are…

计算机视觉与模式识别 · 计算机科学 2023-11-27 Jiahao Li , Hao Tan , Kai Zhang , Zexiang Xu , Fujun Luan , Yinghao Xu , Yicong Hong , Kalyan Sunkavalli , Greg Shakhnarovich , Sai Bi

High-energy X-ray diffraction methods can non-destructively map the 3D microstructure and associated attributes of metallic polycrystalline engineering materials in their bulk form. These methods are often combined with external stimuli…

Most modern astrophysical datasets are multi-dimensional; a characteristic that can nowadays generally be conserved and exploited scientifically during the data reduction/simulation and analysis cascades. Yet, the same multi-dimensional…

天体物理仪器与方法 · 物理学 2016-02-24 F. P. A. Vogt , C. I. Owen , L. Verdes-Montenegro , S. Borthakur

In recent years, AI-assisted drug design methods have been proposed to generate molecules given the pockets' structures of target proteins. Most of them are atom-level-based methods, which consider atoms as basic components and generate…

生物大分子 · 定量生物学 2024-03-19 Haitao Lin , Yufei Huang , Odin Zhang , Lirong Wu , Siyuan Li , Zhiyuan Chen , Stan Z. Li

We propose a versatile software package in the form of a Python extension, named CDEF (Computing Debye's scattering formula for Extraordinary Formfactors), to approximately calculate scattering profiles of arbitrarily shaped nanoparticles…

介观与纳米尺度物理 · 物理学 2022-05-13 Jérôme Deumer , Brian R. Pauw , Sylvie Marguet , Dieter Skroblin , Olivier Taché , Michael Krumrey , Christian Gollwitzer

Text-guided domain adaptation and generation of 3D-aware portraits find many applications in various fields. However, due to the lack of training data and the challenges in handling the high variety of geometry and appearance, the existing…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Biwen Lei , Kai Yu , Mengyang Feng , Miaomiao Cui , Xuansong Xie

Modern technology for producing extremely bright and coherent X-ray laser pulses provides the possibility to acquire a large number of diffraction patterns from individual biological nanoparticles, including proteins, viruses, and DNA.…

统计方法学 · 统计学 2018-07-11 Stefan Engblom , Carl Nettelblad , Jing Liu

Urban forests play a key role in enhancing environmental quality and supporting biodiversity in cities. Mapping and monitoring these green spaces are crucial for urban planning and conservation, yet accurately detecting trees is challenging…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Alessandro dos Santos Ferreira , Ana Paula Marques Ramos , José Marcato Junior , Wesley Nunes Gonçalves

The core theme of X-ray crystallography is reconstructing the electron density distribution of crystals under the constraints of observed diffraction data. Nevertheless, the reconstruction of electron density distribution by straightforward…

材料科学 · 物理学 2015-07-14 Hui Li , Meng He , Ze Zhang

Understanding the processes of perovskite crystallization is essential for improving the properties of organic solar cells. In situ real-time grazing-incidence X-ray diffraction (GIXD) is a key technique for this task, but it produces large…

We develop an open source software "GDoeSII" for the simulation of Fresnel (near field) and Fraunhofer (far field) diffraction integrals of diffractive optical elements (DOE). It can compute the intensity distributions at a desired plane…

计算物理 · 物理学 2019-03-21 Raghu Dharmavarapu , Shanti Bhattacharya , Saulius Juodkazis