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We address the problem of localisation of objects as bounding boxes in images with weak labels. This weakly supervised object localisation problem has been tackled in the past using discriminative models where each object class is localised…

计算机视觉与模式识别 · 计算机科学 2017-05-10 Zhiyuan Shi , Timothy M. Hospedales , Tao Xiang

The focus of this article is on the detection and classification of patterns based on groupoids. The approach hinges on descriptive proximity of points in a set based on the neighborliness property. This approach lends support to image…

计算机视觉与模式识别 · 计算机科学 2016-03-08 Enoch A-iyeh , James F. Peters

This study presents the results of atomistic structural characterisation of 3.7 nm diameter gold nanoparticles (NP) coated with polymer polyethylene glycol (PEG)-based ligands of different lengths (containing $2-14$ monomers) and solvated…

原子与分子团簇 · 物理学 2023-09-07 Matthew D. Dickers , Alexey V. Verkhovtsev , Nigel J. Mason , Andrey V. Solov'yov

The diverse spectrum of material characteristics including band gap, mechanical moduli, color, phonon and electronic density of states, along with catalytic and surface properties are intricately intertwined with the atomic structure and…

Procedural material models have been gaining traction in many applications thanks to their flexibility, compactness, and easy editability. We explore the inverse rendering problem of procedural material parameter estimation from…

图形学 · 计算机科学 2025-04-22 Yu Guo , Milos Hasan , Lingqi Yan , Shuang Zhao

Single-molecule microscopy has become an indispensable tool for biochemical analysis. The capability of characterizing distinct properties of individual molecules without averaging has provided us with a different perspective for the…

应用物理 · 物理学 2020-05-21 Miao-Hsuan Chien , Silvan Schmid

Phase contrast transmission electron microscopy (TEM) is a powerful tool for imaging the local atomic structure of materials. TEM has been used heavily in studies of defect structures of 2D materials such as monolayer graphene due to its…

材料科学 · 物理学 2021-09-01 Robbie Sadre , Colin Ophus , Anstasiia Butko , Gunther H Weber

A practical method utilising three-dimensional image pattern matching is proposed which, in principle, is capable of unambiguous determination of the types and positions of atoms in small molecules from defocus series collected at only a…

图像与视频处理 · 电气工程与系统科学 2019-12-02 T. E. Gureyev , H. M. Quiney , A. Kozlov , L. J. Allen

A wide range of techniques can be considered for segmentation of images of nanostructured surfaces. Manually segmenting these images is time-consuming and results in a user-dependent segmentation bias, while there is currently no consensus…

图像与视频处理 · 电气工程与系统科学 2020-08-31 Steff Farley , Jo E. A. Hodgkinson , Oliver M. Gordon , Joanna Turner , Andrea Soltoggio , Philip J. Moriarty , Eugenie Hunsicker

Interference enhanced wide-field nanoparticle imaging is a highly sensitive technique that has found numerous applications in labeled and label-free sub-diffraction-limited pathogen detection. It also provides unique opportunities for…

计算物理 · 物理学 2017-05-11 Oguzhan Avci , Celalettin Yurdakul , M. Selim Unlu

Cryo-electron microscopy (cryo-EM) studies using single particle reconstruction are extensively used to reveal structural information on macromolecular complexes. Aiming at the highest achievable resolution, state of the art electron…

The selective optical detection of individual metallic nanoparticles (NPs) with high spatial and temporal resolution is a challenging endeavour, yet is key to the understanding of their optical response and their exploitation in…

介观与纳米尺度物理 · 物理学 2012-06-05 Francesco Masia , Wolfgang Langbein , Paola Borri

Gold nanoparticles have been synthesized inside ethosomes, vesicles composed of phospholipid, ethanol and water, which could be very efficient not only in delivery probes to the skin but also as diagnostic and therapeutic multimodal agents.…

A new Bayesian state and parameter learning algorithm for multiple target tracking (MTT) models with image observations is proposed. Specifically, a Markov chain Monte Carlo algorithm is designed to sample from the posterior distribution of…

应用统计 · 统计学 2016-03-18 Lan Jiang , Sumeetpal S. Singh

We develop a novel method for detection of signals and reconstruction of images in the presence of random noise. The method uses results from percolation theory. We specifically address the problem of detection of multiple objects of…

应用统计 · 统计学 2013-12-02 Mikhail Langovoy , Michael Habeck , Bernhard Schölkopf

The optical properties of molecules close to plasmonic nanostructures greatly differ from their isolated molecule counterparts. To theoretically investigate such systems in a Quantum Chemistry perspective, one has to take into account that…

介观与纳米尺度物理 · 物理学 2016-12-26 Silvio Pipolo , Stefano Corni

We address the problem of localisation of objects as bounding boxes in images and videos with weak labels. This weakly supervised object localisation problem has been tackled in the past using discriminative models where each object class…

计算机视觉与模式识别 · 计算机科学 2017-06-20 Zhiyuan Shi , Timothy M. Hospedales , Tao Xiang

Nanoparticles (NPs) are promising therapeutic delivery agents, yet it is increasingly apparent that the number and manner of presentation of cell binding ligands on the NP can affect the eventual fate of the therapeutic. Whenever NPs are…

In recent years, image recognition method has been a research hotspot in various fields such as video surveillance, biometric identification, unmanned vehicles, human-computer interaction, and medical image recognition. Existing recognition…

统计方法学 · 统计学 2025-05-12 Yunzhi Jin , Yanqing Zhang , Niansheng Tang

It has been shown that for automated PAP-smear image classification, nucleus features can be very informative. Therefore, the primary step for automated screening can be cell-nuclei detection followed by segmentation of nuclei in the…

计算机视觉与模式识别 · 计算机科学 2018-06-26 Srishti Gautam , Harinarayan K. K. , Nirmal Jith , Anil K. Sao , Arnav Bhavsar , Adarsh Natarajan