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For obtaining reliable nanostructural details of large amounts of sample --- and if it is applicable --- Small-Angle Scattering (SAS) is a prime technique to use. It promises to obtain bulk-scale, statistically sound information on the…

材料科学 · 物理学 2013-09-02 Brian Richard Pauw

X-ray absorption near edge structure (XANES) spectroscopy is a powerful technique for characterizing the chemical state and symmetry of individual elements within materials, but requires collecting data at many energy points which can be…

应用物理 · 物理学 2025-04-25 Ming Du , Mark Wolfman , Chengjun Sun , Shelly D. Kelly , Mathew J. Cherukara

In ultrasound nondestructive testing, a widespread approach is to take synthetic aperture measurements from the surface of a specimen to detect and locate defects within it. Based on these measurements, imaging is usually performed using…

信号处理 · 电气工程与系统科学 2020-12-09 Jan Kirchhof , Sebastian Semper , Christoph W. Wagner , Eduardo Pérez , Florian Römer , Giovanni Del Galdo

Quadrat images are essential for ecological studies, as they enable standardized sampling, the assessment of plant biodiversity, long-term monitoring, and large-scale field campaigns. These images typically cover an area of fifty…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Giulio Martellucci , Herve Goeau , Pierre Bonnet , Fabrice Vinatier , Alexis Joly

The use of deep learning methods for precision farming is gaining increasing interest. However, collecting training data in this application field is particularly challenging and costly due to the need of acquiring information during the…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Mulham Fawakherji , Vincenzo Suriani , Daniele Nardi , Domenico Daniele Bloisi

Synthetic aperture sonar (SAS) measures a scene from multiple views in order to increase the resolution of reconstructed imagery. Image reconstruction methods for SAS coherently combine measurements to focus acoustic energy onto the scene.…

图像与视频处理 · 电气工程与系统科学 2023-06-19 Albert W. Reed , Juhyeon Kim , Thomas Blanford , Adithya Pediredla , Daniel C. Brown , Suren Jayasuriya

We present a method that leverages the complementarity of event cameras and standard cameras to track visual features with low-latency. Event cameras are novel sensors that output pixel-level brightness changes, called "events". They offer…

计算机视觉与模式识别 · 计算机科学 2019-01-21 Daniel Gehrig , Henri Rebecq , Guillermo Gallego , Davide Scaramuzza

This study introduces an innovative approach to classifying various types of Persian rice using image-based deep learning techniques, highlighting the practical application of everyday technology in food categorization. Recognizing the…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Mahmood Saeedi kelishami , Amin Saeidi Kelishami , Sajjad Saeedi Kelishami

Recent advances in optical technology have significantly enhanced the resolution of imaging of living cells, achieving nanometer-scale precision. However, the crowded three-dimensional environment within cells presents a challenge for…

光学 · 物理学 2024-11-20 Vahid Nasirimarekani , Zuzana Ditte , Eberhard Bodenschatz

Face anti-spoofing (FAS) plays a vital role in securing the face recognition systems from presentation attacks. Most existing FAS methods capture various cues (e.g., texture, depth and reflection) to distinguish the live faces from the…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Zitong Yu , Xiaobai Li , Xuesong Niu , Jingang Shi , Guoying Zhao

Calibrating narrow field of view soccer cameras is challenging because there are very few field markings in the image. Unlike previous solutions, we propose a two-point method, which requires only two point correspondences given the prior…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Jianhui Chen , Fangrui Zhu , James J. Little

Land use classification of low resolution spatial imagery is one of the most extensively researched fields in remote sensing. Despite significant advancements in satellite technology, high resolution imagery lacks global coverage and can be…

机器学习 · 计算机科学 2019-04-24 John Brandt

Radiotherapists require accurate registration of MR/CT images to effectively use information from both modalities. In a typical registration pipeline, rigid or affine transformations are applied to roughly align the fixed and moving images…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Xiaoyu Bai , Fan Bai , Xiaofei Huo , Jia Ge , Tony C. W. Mok , Zi Li , Minfeng Xu , Jingren Zhou , Le Lu , Dakai Jin , Xianghua Ye , Jingjing Lu , Ke Yan

Monitoring plants and fruits at high resolution play a key role in the future of agriculture. Accurate 3D information can pave the way to a diverse number of robotic applications in agriculture ranging from autonomous harvesting to precise…

机器人学 · 计算机科学 2023-08-23 Yue Pan , Federico Magistri , Thomas Läbe , Elias Marks , Claus Smitt , Chris McCool , Jens Behley , Cyrill Stachniss

Two-dimensional patterns are used in many research areas in computer science, ranging from image processing to specification and verification of complex software systems (via scenarios). The contribution of this paper is twofold. First, we…

编程语言 · 计算机科学 2014-05-16 Iulia Teodora Banu-Demergian , Gheorghe Stefanescu

Power consumption is a critical factor for the deployment of embedded computer vision systems. We explore the use of computational cameras that directly output binary gradient images to reduce the portion of the power consumption allocated…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Suren Jayasuriya , Orazio Gallo , Jinwei Gu , Jan Kautz

Crop mapping is one of the most common tasks in artificial intelligence for agriculture due to higher food demands from a growing population and increased awareness of climate change. In case of vineyards, the texture is very important for…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Irina Korotkova , Natalia Efremova

This article reviews the two major recent developments that significantly improved cosmological measurements of fundamental constants derived from high resolution quasar spectroscopy. The first one is the deployment of astronomical Laser…

宇宙学与河外天体物理 · 物理学 2023-01-20 Dinko Milaković , Chung-Chi Lee , Paolo Molaro , John K. Webb

Aims. We describe a pilot study to explore a new generation of fast and low noise CMOS image sensors for time domain astronomy, using two remote telescopes with a baseline of 1800 km. Methods. Direct imaging with novel qCMOS image sensor…

Dynamic light scattering techniques are routinely used for numerous industrial and research applications, because they can give access to the motion spectrum of micro- and nano-objects, and therefore to particle sizes or visco-elastic…

光学 · 物理学 2022-09-22 Guillaume Graciani , John T. King , Francois Amblard
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