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Related papers: Instance Segmentation of Dislocations in TEM Image…

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Crystalline defects, such as line-like dislocations, play an important role for the performance and reliability of many metallic devices. Their interaction and evolution still poses a multitude of open questions to materials science and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Kishan Govind , Daniela Oliveros , Antonin Dlouhy , Marc Legros , Stefan Sandfeld

Moving object segmentation plays a crucial role in understanding dynamic scenes involving multiple moving objects, while the difficulties lie in taking into account both spatial texture structures and temporal motion cues. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Zhexiong Wan , Bin Fan , Le Hui , Yuchao Dai , Gim Hee Lee

Curvilinear structures frequently appear in microscopy imaging as the object of interest. Crystallographic defects, i.e., dislocations, are one of the curvilinear structures that have been repeatedly investigated under transmission electron…

Image and Video Processing · Electrical Eng. & Systems 2021-10-19 Okan Altingövde , Anastasiia Mishchuk , Gulnaz Ganeeva , Emad Oveisi , Cecile Hebert , Pascal Fua

Scanning transmission electron microscopy (STEM) has become the technique of choice for quantitative characterization of atomic structure of materials, where the minute displacements of atomic columns from high-symmetry positions can be…

Materials Science · Physics 2021-10-05 Kevin M. Roccapriore , Nicole Creange , Maxim Ziatdinov , Sergei V. Kalinin

Scanning transmission electron microscopy (STEM) has advanced rapidly in the last decade thanks to the ability to correct the major aberrations of the probe forming lens. Now atomic-sized beams are routine, even at accelerating voltages as…

Although titanium nitride (TiN) is among the most extensively studied and thoroughly characterized thin-film ceramic materials, detailed knowledge of relevant dislocation core structures is lacking. By high-resolution scanning transmission…

We propose instance segmentation as a useful tool for image analysis in materials science. Instance segmentation is an advanced technique in computer vision which generates individual segmentation masks for every object of interest that is…

Materials Science · Physics 2021-01-06 Ryan Cohn , Iver Anderson , Tim Prost , Jordan Tiarks , Emma White , Elizabeth Holm

Crystal defects play a large role in how materials respond to their surroundings, yet there are many uncertainties in how extended defects form, move, and interact deep beneath a material's surface. A newly developed imaging diagnostic,…

Data Analysis, Statistics and Probability · Physics 2020-08-13 Arnulfo Gonzalez , Marylesa Howard , Sean Breckling , Leora E. Dresselhaus-Marais

The instance segmentation can be considered an extension of the object detection problem where bounding boxes are replaced by object contours. Strictly speaking the problem requires to identify each pixel instance and class independently of…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Thomio Watanabe , Denis Wolf

Stacking orders and topological defects substantially influence the physical properties of 2D van der Waals (vdW) materials. However, the inherent features of 2D materials challenge the effectiveness of single characterization techniques in…

Instance segmentation aims to locate targets in the image and segment each target area at pixel level, which is one of the most important tasks in computer vision. Mask R-CNN is a classic method of instance segmentation, but we find that…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Xiaolong Guo , Xiaosong Lan , Kunfeng Wang , Shuxiao Li

Videos captured using Transmission Electron Microscopy (TEM) can encode details regarding the morphological and temporal evolution of a material by taking snapshots of the microstructure sequentially. However, manual analysis of such video…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Mingren Shen , Guanzhao Li , Dongxia Wu , Yudai Yaguchi , Jack C. Haley , Kevin G. Field , Dane Morgan

Instance segmentation with neural networks is an essential task in environment perception. In many works, it has been observed that neural networks can predict false positive instances with high confidence values and true positives with low…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Kira Maag , Matthias Rottmann , Serin Varghese , Fabian Hueger , Peter Schlicht , Hanno Gottschalk

The population of dislocation defects in a crystalline material strongly influences its properties, so the ability to analyse this population in experimental samples is of great utility. As a complement to direct counting in the…

Materials Science · Physics 2022-05-02 C P Race , T Ungar , G Ribarik

Research in the field of Materials Science and Engineering focuses on the design, synthesis, properties, and performance of materials. An important class of materials that is widely investigated are crystalline materials, including metals…

Materials Science · Physics 2023-09-14 Ahmad Zainul Ihsan , Said Fathalla , Stefan Sandfeld

The field of Materials Science is concerned with, e.g., properties and performance of materials. An important class of materials are crystalline materials that usually contain ``dislocations'' -- a line-like defect type. Dislocation…

Materials Science · Physics 2021-06-30 Ahmad Zainul Ihsan , Danilo Dessì , Mehwish Alam , Harald Sack , Stefan Sandfeld

Object detection or localization is an incremental step in progression from coarse to fine digital image inference. It not only provides the classes of the image objects, but also provides the location of the image objects which have been…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Abdul Mueed Hafiz , Ghulam Mohiuddin Bhat

Crystalline materials, such as metals and semiconductors, nearly always contain a special defect type called dislocation. This defect decisively determines many important material properties, e.g., strength, fracture toughness, or…

Materials Science · Physics 2024-01-08 Ahmad Zainul Ihsan , Said Fathalla , Stefan Sandfeld

High-throughput analysis of multidimensional transmission electron microscopy (TEM) datasets remains a significant challenge, limiting the broader impact on strategic materials research. Conventional workflows typically involve sequential,…

Materials Science · Physics 2025-07-16 Arda Genc , Ravit Silverstein

Despite significant efforts, cutting-edge video segmentation methods still remain sensitive to occlusion and rapid movement, due to their reliance on the appearance of objects in the form of object embeddings, which are vulnerable to these…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Qihao Liu , Junfeng Wu , Yi Jiang , Xiang Bai , Alan Yuille , Song Bai
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