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Various machine learning models have been used to predict the properties of polycrystalline materials, but none of them directly consider the physical interactions among neighboring grains despite such microscopic interactions critically…

材料科学 · 物理学 2021-07-16 Minyi Dai , Mehmet F. Demirel , Yingyu Liang , Jia-Mian Hu

The ability to generate novel, diverse, and realistic 3D shapes along with associated part semantics and structure is central to many applications requiring high-quality 3D assets or large volumes of realistic training data. A key challenge…

图形学 · 计算机科学 2019-08-05 Kaichun Mo , Paul Guerrero , Li Yi , Hao Su , Peter Wonka , Niloy Mitra , Leonidas J. Guibas

Superpixel-based methodologies have become increasingly popular in computer vision, especially when the computation is too expensive in time or memory to perform with a large number of pixels or features. However, rarely is superpixel…

计算机视觉与模式识别 · 计算机科学 2019-08-05 Alex Yang , Charlie T. Veal , Derek T. Anderson , Grant J. Scott

Many patterns in nature exhibit self-similarity: they can be compactly described via self-referential transformations. Said patterns commonly appear in natural and artificial objects, such as molecules, shorelines, galaxies and even images.…

机器学习 · 计算机科学 2022-04-19 Michael Poli , Winnie Xu , Stefano Massaroli , Chenlin Meng , Kuno Kim , Stefano Ermon

Prediction and discovery of new materials with desired properties are at the forefront of quantum science and technology research. A major bottleneck in this field is the computational resources and time complexity related to finding new…

Crystal graph neural networks are widely applicable in modeling experimentally synthesized compounds and hypothetical materials with unknown synthesizability. In contrast, structure-agnostic predictive algorithms allow exploring previously…

材料科学 · 物理学 2025-11-06 Ivan Rubtsov , Ivan Dudakov , Yuri Kuratov , Vadim Korolev

Hierarchically designed mechanical metamaterials involve nested levels of structural organization, mimicking natural structures (such as bones, wood, and bird feathers) to create advanced functional materials. Compositional hierarchy, a…

软凝聚态物质 · 物理学 2026-05-21 Shammo Dutta , Girish Krishnan , Sree Kalyan Patiballa

Data-driven approaches for material discovery and design have been accelerated by emerging efforts in machine learning. However, general representations of crystals to explore the vast material search space remain limited. We introduce a…

Synthetic polymers are versatile and widely used materials. Similar to small organic molecules, a large chemical space of such materials is hypothetically accessible. Computational property prediction and virtual screening can accelerate…

机器学习 · 计算机科学 2022-10-13 Matteo Aldeghi , Connor W. Coley

Interpreting the mineralogical aspects of rock thin sections is an important task for oil and gas reservoirs evaluation. However, human analysis tend to be subjective and laborious. Technologies like QEMSCAN(R) are designed to automate the…

This study presents a deep learning approach to predicting structural and electronic properties of materials using Graph Neural Networks (GNNs). Leveraging data from the Materials Project database, we construct graph representations of…

无序系统与神经网络 · 物理学 2024-12-20 Selva Chandrasekaran Selvaraj

Modern E(3)-Equivariant networks may be used to predict rotationally equivariant properties, including tensorial quantities. Three such quantities: the dielectric, piezoelectric, and elasticity tensors, are computationally expensive to…

计算物理 · 物理学 2024-11-27 Alex Heilman , Claire Schlesinger , Qimin Yan

The constant demand for new functional materials calls for efficient strategies to accelerate the materials design and discovery. In addressing this challenge, machine learning generative models can offer promising opportunities since they…

材料科学 · 物理学 2020-06-24 Sungwon Kim , Juhwan Noh , Geun Ho Gu , Alán Aspuru-Guzik , Yousung Jung

Material characterization using electron micrographs is a crucial but challenging task with applications in various fields, such as semiconductors, quantum materials, batteries, etc. The challenges in categorizing electron micrographs…

机器学习 · 计算机科学 2024-08-22 Sakhinana Sagar Srinivas , Rajat Kumar Sarkar , Sreeja Gangasani , Venkataramana Runkana

Crystal structure prediction algorithms have become powerful tools for materials discovery in recent years, however, they are usually limited to relatively small systems. The main challenge is that the number of local minima grows…

材料科学 · 物理学 2022-02-09 Hao Gao , Junjie Wang , Yu Han , Jian Sun

Machine-learning of atomic-scale properties amounts to extracting correlations between structure, composition and the quantity that one wants to predict. Representing the input structure in a way that best reflects such correlations makes…

化学物理 · 物理学 2021-02-02 Michael J. Willatt , Félix Musil , Michele Ceriotti

Determining the material category of a surface from an image is a demanding task in perception that is drawing increasing attention. Following the recent remarkable results achieved for image classification and object detection utilising…

计算机视觉与模式识别 · 计算机科学 2017-03-17 Grigorios Kalliatakis , Georgios Stamatiadis , Shoaib Ehsan , Ales Leonardis , Juergen Gall , Anca Sticlaru , Klaus D. McDonald-Maier

The great tunability of the properties of halide perovskites presents new opportunities for optoelectronic applications as well as significant challenges associated with exploring combinatorial chemical spaces. In this work, we develop a…

材料科学 · 物理学 2021-09-23 Arun Mannodi-Kanakkithodi , Maria K. Y. Chan

We present a novel method for predicting binary phase diagrams through the automatic construction of a minimal basis set of representative templates. The core assumption is that any materials space can be divided into a small number of…

材料科学 · 物理学 2024-10-03 Caja Annweiler , Simone Di Cataldo , Maurits W. Haverkort , Lilia Boeri

Photo realism in computer generated imagery is crucially dependent on how well an artist is able to recreate real-world materials in the scene. The workflow for material modeling and editing typically involves manual tweaking of material…

图形学 · 计算机科学 2019-08-27 Aakash KT , Parikshit Sakurikar , Saurabh Saini , P. J. Narayanan