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  • Article
  • Open Access
2 Citations
2,325 Views
16 Pages

Algorithms for Automatic Data Validation and Performance Assessment of MOX Gas Sensor Data Using Time Series Analysis

  • Christof Hammer,
  • Sebastian Sporrer,
  • Johannes Warmer,
  • Peter Kaul,
  • Ronald Thoelen and
  • Norbert Jung

28 September 2022

The following work presents algorithms for semi-automatic validation, feature extraction and ranking of time series measurements acquired from MOX gas sensors. Semi-automatic measurement validation is accomplished by extending established curve simil...

  • Article
  • Open Access
3 Citations
5,352 Views
22 Pages

11 August 2025

Educational assessment relies on well-constructed test items to measure student learning accurately, yet traditional item development is time-consuming and demands specialized psychometric expertise. Automatic item generation (AIG) offers template-ba...

  • Article
  • Open Access
89 Citations
13,894 Views
18 Pages

Validating MODIS and Sentinel-2 NDVI Products at a Temperate Deciduous Forest Site Using Two Independent Ground-Based Sensors

  • Maximilian Lange,
  • Benjamin Dechant,
  • Corinna Rebmann,
  • Michael Vohland,
  • Matthias Cuntz and
  • Daniel Doktor

11 August 2017

Quantifying the accuracy of remote sensing products is a timely endeavor given the rapid increase in Earth observation missions. A validation site for Sentinel-2 products was hence established in central Germany. Automatic multispectral and hyperspec...

  • Brief Report
  • Open Access
2 Citations
2,343 Views
9 Pages

15 August 2023

Several manufacturers have developed systems that automatically measure the amount of blood in culture bottles. We compared the volumes measured automatically by the Virtuo instrument (bioMérieux, France) (height-based volumes) and those calcu...

  • Article
  • Open Access
6 Citations
2,729 Views
16 Pages

21 November 2022

Pancreatic volume and fat fraction are critical prognoses for metabolic diseases like type 2 diabetes (T2D). Magnetic Resonance Imaging (MRI) is a required non-invasive quantification method for the pancreatic fat fraction. The dramatic development o...

  • Project Report
  • Open Access
17 Citations
2,759 Views
10 Pages

Validation of Automatic Cochlear Measurements Using OTOPLAN® Software

  • Dimitrios Paouris,
  • Samuel Kunzo and
  • Irina Goljerová

Introduction: Electrode length selection based on case-related cochlear parameters is becoming a standard pre-operative step for cochlear implantation. The manual measurement of the parameters is often time-consuming and may lead to inconsistencies....

  • Article
  • Open Access
9 Citations
4,751 Views
14 Pages

Validation of Automatically Quantified Swim Stroke Mechanics Using an Inertial Measurement Unit in Paralympic Athletes

  • Matthew Slopecki,
  • Mathieu Charbonneau,
  • Jean-Michel Lavallière,
  • Julie N. Côté and
  • Julien Clément

Biomechanics and training load monitoring are important for performance evaluation and injury prevention in elite swimming. Monitoring of performance and swim stroke parameters is possible with inertial measurement units (IMU) but has not been valida...

  • Communication
  • Open Access
29 Citations
6,188 Views
14 Pages

2 March 2022

Sleep stage classification is an essential process of diagnosing sleep disorders and related diseases. Automatic sleep stage classification using machine learning has been widely studied due to its higher efficiency compared with manual scoring. Typi...

  • Article
  • Open Access
39 Citations
11,155 Views
18 Pages

Deep Learning for Archaeological Object Detection on LiDAR: New Evaluation Measures and Insights

  • Marco Fiorucci,
  • Wouter B. Verschoof-van der Vaart,
  • Paolo Soleni,
  • Bertrand Le Saux and
  • Arianna Traviglia

31 March 2022

Machine Learning-based workflows are being progressively used for the automatic detection of archaeological objects (intended as below-surface sites) in remote sensing data. Despite promising results in the detection phase, there is still a lack of a...

  • Communication
  • Open Access
5 Citations
1,792 Views
10 Pages

Clinical Trial Validation of Automated Segmentation and Scoring of Pulmonary Cysts in Thoracic CT Scans

  • Aneesha Baral,
  • Simone Lee,
  • Farah Hussaini,
  • Brianna Matthew,
  • Alfredo Lebron,
  • Muyang Wang,
  • Li-Yueh Hsu,
  • Joel Moss and
  • Han Wen

In cystic lung diseases such as lymphangioleiomyomatosis (LAM), a CT-based cyst score that measures the percentage of the lung volume occupied by cysts is a common index of the cyst burden in the lungs. Although the current semi-automatic measurement...

  • Article
  • Open Access
21 Citations
5,055 Views
12 Pages

Automated Artificial Intelligence-Based Assessment of Lower Limb Alignment Validated on Weight-Bearing Pre- and Postoperative Full-Leg Radiographs

  • Felix Erne,
  • Priyanka Grover,
  • Marcel Dreischarf,
  • Marie K. Reumann,
  • Dominik Saul,
  • Tina Histing,
  • Andreas K. Nüssler,
  • Fabian Springer and
  • Carolin Scholl

3 November 2022

The assessment of the knee alignment using standing weight-bearing full-leg radiographs (FLR) is a standardized method. Determining the load-bearing axis of the leg requires time-consuming manual measurements. The aim of this study is to develop and...

  • Article
  • Open Access
7 Citations
3,088 Views
13 Pages

Comparison between Automatic and Semiautomatic System for the 3D Echocardiographic Multiparametric Evaluation of RV Function and Dimension

  • Marco Penso,
  • Remo Antonio Ranalletta,
  • Mauro Pepi,
  • Anna Garlaschè,
  • Sarah Ghulam Ali,
  • Laura Fusini,
  • Valentina Mantegazza,
  • Manuela Muratori,
  • Riccardo Maragna and
  • Gloria Tamborini

3 August 2022

Background: The right ventricle (RV) plays a pivotal role in cardiovascular diseases and 3-dimensional echocardiography (3DE) has gained acceptance for the evaluation of RV volumes and function. Recently, a new artificial intelligence (AI)–base...

  • Article
  • Open Access
32 Citations
8,622 Views
15 Pages

8 November 2016

For online quality control of car engine production, pneumatic measurement instrument plays an unshakeable role in measuring diameters inside engine block because of its portability and high-accuracy. To the limitation of its measuring principle, how...

  • Article
  • Open Access
1,258 Views
22 Pages

Development and Validation of an Argon Triple Point Apparatus with a Novel Automatic Pressure Control System

  • Ivan Matas,
  • Lovorka Grgec Bermanec,
  • Danijel Šestan,
  • Jovan Bojkovski and
  • Vincencij Žužek

26 February 2025

This paper describes the development and validation of an apparatus for the realization of the triple point of argon (83.8058 K), with a novel automatic pressure control system for the liquid nitrogen cryostat. The automatic pressure controller, toge...

  • Article
  • Open Access
22 Citations
5,819 Views
18 Pages

Automatic Aortic Valve Cusps Segmentation from CT Images Based on the Cascading Multiple Deep Neural Networks

  • Gakuto Aoyama,
  • Longfei Zhao,
  • Shun Zhao,
  • Xiao Xue,
  • Yunxin Zhong,
  • Haruo Yamauchi,
  • Hiroyuki Tsukihara,
  • Eriko Maeda,
  • Kenji Ino and
  • Takuya Sakaguchi
  • + 4 authors

14 January 2022

Accurate morphological information on aortic valve cusps is critical in treatment planning. Image segmentation is necessary to acquire this information, but manual segmentation is tedious and time consuming. In this paper, we propose a fully automati...

  • Article
  • Open Access
1 Citations
2,802 Views
17 Pages

Real-Time Automated Solubility Screening Method Using Deep Neural Networks with Handcrafted Features

  • Minwoo Jeon,
  • Geunhyeok Yu,
  • Hyundo Choi,
  • Gahee Kim and
  • Hyoseok Hwang

12 June 2023

Solubility measurements are essential in various research and industrial fields. With the automation of processes, the importance of automatic and real-time solubility measurements has increased. Although end-to-end learning methods are commonly used...

  • Article
  • Open Access
584 Views
14 Pages

AutoMCA: A Robust Approach for Automatic Measurement of Cranial Angles

  • Junjian Chen,
  • Yuqian Wang,
  • Xinyu Shi and
  • Yan Luximon

Head posture assessment commonly involves measuring cranial angles, with photogrammetry favored for its simplicity over CT scans or goniometers. However, most photo-based measurements remain manual, making them time-consuming and inefficient. Existin...

  • Article
  • Open Access
5 Citations
4,056 Views
18 Pages

8 March 2023

Automatic Root Cause Analysis solutions aid analysts in finding problems’ root causes by using automatic data analysis. When trying to locate the root cause of a problem in a manufacturing process, an issue-denominated overlap can occur. Overla...

  • Extended Abstract
  • Open Access
1,586 Views
2 Pages

Automatic Segmentation and Measurement of Vascular Biomarkers in OCT-A Images

  • Macarena Díaz,
  • Jorge Novo,
  • Manuel G. Penedo and
  • Marcos Ortega

17 September 2018

We propose an automatic methodology that identifies the vascularity zones in OCT-A images and their measurement for its use in clinical analysis and diagnostic processes. The segmentation and measurement contributes objectivity and repeatability in t...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,806 Views
17 Pages

Automatic Bluefin Tuna Sizing with a Combined Acoustic and Optical Sensor

  • Pau Muñoz-Benavent,
  • Vicente Puig-Pons,
  • Gabriela Andreu-García,
  • Víctor Espinosa,
  • Vicente Atienza-Vanacloig and
  • Isabel Pérez-Arjona

16 September 2020

A proposal is described for an underwater sensor combining an acoustic device with an optical one to automatically size juvenile bluefin tuna from a ventral perspective. Acoustic and optical information is acquired when the tuna are swimming freely a...

  • Article
  • Open Access
8 Citations
3,218 Views
13 Pages

Automatic Segmentation of Bone Marrow Lesions on MRI Using a Deep Learning Method

  • Raj Ponnusamy,
  • Ming Zhang,
  • Yue Wang,
  • Xinyue Sun,
  • Mohammad Chowdhury,
  • Jeffrey B. Driban,
  • Timothy McAlindon and
  • Juan Shan

Bone marrow lesion (BML) volume is a potential biomarker of knee osteoarthritis (KOA) as it is associated with cartilage degeneration and pain. However, segmenting and quantifying the BML volume is challenging due to the small size, low contrast, and...

  • Article
  • Open Access
3 Citations
2,478 Views
18 Pages

Automated Task-Transfer Function Measurement for CT Image Quality Assessment Based on AAPM TG 233

  • Choirul Anam,
  • Riska Amilia,
  • Ariij Naufal,
  • Eko Hidayanto,
  • Heri Sutanto,
  • Lukmanda E. Lubis,
  • Toshioh Fujibuchi and
  • Geoff Dougherty

18 August 2025

This study aims to develop and validate software for the automatic measurement of the task-transfer function (TTF) based on the American Association of Physicists in Medicine (AAPM) Task Group (TG) 233. The software consists of two main stages: autom...

  • Article
  • Open Access
14 Citations
2,983 Views
23 Pages

Continuous Leaf Area Index (LAI) Observation in Forests: Validation, Application, and Improvement of LAI-NOS

  • Zhentao Gao,
  • Yunping Chen,
  • Zhengjian Zhang,
  • Tianxin Duan,
  • Juncheng Chen and
  • Ainong Li

16 May 2024

The leaf area index (LAI) is one of the core parameters reflecting the growth status of vegetation. The continuous long-term observation of the LAI is key when assessing the dynamic changes in the energy exchange of ecosystems and the vegetation&rsqu...

  • Communication
  • Open Access
2 Citations
3,226 Views
10 Pages

10 January 2021

Capacitance-based automatic urine measurement is a validated technique already implemented in clinical practice. However, albuminuria and free hemoglobinuria cause progressive biofilm buildup on the capacitance sensors of the urinometers. The aim of...

  • Article
  • Open Access
10 Citations
3,450 Views
20 Pages

19 March 2023

Since various phenomena produce infrasound, including both man-made and natural sources, the ever-growing dataflow demands automatic processes via machine learning for signal classification. In this study, we demonstrate a single array approach at th...

  • Article
  • Open Access
32 Citations
5,348 Views
19 Pages

Setup, Test and Validation of a UHF RFID System for Monitoring Feeding Behaviour of Dairy Cows

  • Felix Adrion,
  • Markus Keller,
  • Giulia Bianca Bozzolini and
  • Christina Umstatter

9 December 2020

Feeding behaviour can be used as an important indicator to support animal management. However, using feeding behaviour as a tool for dairy cow management an automatic sensor system is needed. Hence, the objective of this study was to setup, test and...

  • Article
  • Open Access
4 Citations
2,451 Views
11 Pages

Complex-Geometry 3D Computational Fluid Dynamics with Automatic Load Balancing

  • József Bakosi,
  • Mátyás Constans,
  • Zoltán Horváth,
  • Ákos Kovács,
  • László Környei,
  • Marc Charest,
  • Aditya Pandare,
  • Paula Rutherford and
  • Jacob Waltz

6 May 2023

We present an open-source code, Xyst, intended for the simulation of complex-geometry 3D compressible flows. The software implementation facilitates the effective use of the largest distributed-memory machines, combining data-, and task-parallelism o...

  • Article
  • Open Access
37 Citations
5,527 Views
15 Pages

Comparative Multicentric Evaluation of Inter-Observer Variability in Manual and Automatic Segmentation of Neuroblastic Tumors in Magnetic Resonance Images

  • Diana Veiga-Canuto,
  • Leonor Cerdà-Alberich,
  • Cinta Sangüesa Nebot,
  • Blanca Martínez de las Heras,
  • Ulrike Pötschger,
  • Michela Gabelloni,
  • José Miguel Carot Sierra,
  • Sabine Taschner-Mandl,
  • Vanessa Düster and
  • Luis Martí-Bonmatí
  • + 3 authors

27 July 2022

Tumor segmentation is one of the key steps in imaging processing. The goals of this study were to assess the inter-observer variability in manual segmentation of neuroblastic tumors and to analyze whether the state-of-the-art deep learning architectu...

  • Article
  • Open Access
1 Citations
3,286 Views
14 Pages

A Gate-Level Information Leakage Detection Framework of Sequential Circuit Using Z3

  • Qizhi Zhang,
  • Liang Liu,
  • Yidong Yuan,
  • Zhe Zhang,
  • Jiaji He,
  • Ya Gao,
  • Yao Li,
  • Xiaolong Guo and
  • Yiqiang Zhao

16 December 2022

Hardware intellectual property (IP) cores from untrusted vendors are widely used, raising security concerns for system designers. Although formal methods provide powerful solutions for detecting malicious behaviors in hardware, the participation of m...

  • Article
  • Open Access
6 Citations
2,436 Views
12 Pages

(1) Background: This study aims to develop a deep learning model based on a 3D Deeplab V3+ network to automatically segment multiple structures from magnetic resonance (MR) images at the L4/5 level. (2) Methods: After data preprocessing, the modified...

  • Article
  • Open Access
16 Citations
9,259 Views
17 Pages

Ultrasound (US) could become a standard of care imaging modality for the quantitative assessment of femoral cartilage thickness for the early diagnosis of knee osteoarthritis. However, low contrast, high levels of speckle noise, and various imaging a...

  • Article
  • Open Access
57 Citations
7,142 Views
13 Pages

Artificial Intelligence (AI)-Driven Molar Angulation Measurements to Predict Third Molar Eruption on Panoramic Radiographs

  • Myrthel Vranckx,
  • Adriaan Van Gerven,
  • Holger Willems,
  • Arne Vandemeulebroucke,
  • André Ferreira Leite,
  • Constantinus Politis and
  • Reinhilde Jacobs

The purpose of the presented Artificial Intelligence (AI)-tool was to automatically segment the mandibular molars on panoramic radiographs and extract the molar orientations in order to predict the third molars’ eruption potential. In total, 83...

  • Feature Paper
  • Article
  • Open Access
2 Citations
4,767 Views
16 Pages

The Coach–Athlete Relationship and Self-Talk in Turkish Athletes

  • Elif Nilay Ada,
  • Nikos Comoutos,
  • Hasan Ahmad,
  • Rabia Yıldız,
  • Sophia Jowett and
  • Zişan Kazak

21 May 2021

Background: The first purpose of the study was to evaluate the validity and reliability of the Automatic Self-Talk Questionnaire for Sports (ASTQS) in the Turkish language and the secondary purpose was to examine the relationship between the quality...

  • Article
  • Open Access
16 Citations
5,956 Views
15 Pages

Automatic Tracking of the Modal Parameters of an Offshore Wind Turbine Drivetrain System

  • Mahmoud El-Kafafy,
  • Christof Devriendt,
  • Patrick Guillaume and
  • Jan Helsen

22 April 2017

An offshore wind turbine (OWT) is a complex structure that consists of different parts (e.g., foundation, tower, drivetrain, blades, et al.). The last decade, there has been continuous trend towards larger machines with the goal of cost reduction. Mo...

  • Article
  • Open Access
10 Citations
4,256 Views
13 Pages

16 December 2022

Current technologies based on inertial measurement units (IMUs) are considered valid and reliable tools for monitoring barbell velocity in strength training. However, the extracted outcomes are often limited to a few velocity metrics, such as mean or...

  • Article
  • Open Access
6 Citations
3,549 Views
16 Pages

17 January 2022

Generating and updating roadway geometric elements from aerial images is necessary for multiple geospatial information system purposes, which have been addressed through various approaches. However, most existing methods cannot deal with challenges s...

  • Article
  • Open Access
11 Citations
9,009 Views
15 Pages

20 May 2020

The foot arch index is an important index to evaluate the health of human feet and the biomechanics line, aiming at addressing the shortcomings of the low efficiency and slow speed of manual foot arch index measurement; in this work, an automatic foo...

  • Article
  • Open Access
329 Views
25 Pages

Automated Measurement of Sheep Body Dimensions via Fusion of YOLOv12n-Seg-SSM and 3D Point Clouds

  • Xiaona Zhao,
  • Xifeng Liu,
  • Zihao Gao,
  • Xinran Liang,
  • Yanjun Yuan,
  • Yangfan Bai,
  • Zhimin Zhang,
  • Fuzhong Li and
  • Wuping Zhang

Accurate measurement of sheep body dimensions is fundamental for growth monitoring and breeding management. To address the limited segmentation accuracy and the trade-off between lightweight design and precision in existing non-contact measurement me...

  • Article
  • Open Access
7 Citations
2,579 Views
13 Pages

Real-World Comparison of Human and Software Image Assessment in Acute Ischemic Stroke Patients’ Qualification for Reperfusion Treatment

  • Bartlomiej Lasocha,
  • Roman Pulyk,
  • Pawel Brzegowy,
  • Pawel Latacz,
  • Agnieszka Slowik and
  • Tadeusz J. Popiela

22 October 2020

Our aim was to compare human and computer accuracy in reading medical images of acute stroke patients. We analyzed data of patients who underwent assessment of Alberta Stroke Program Early CT Score (ASPECTS) and CT Perfusion (CTP) via Rapid Processin...

  • Article
  • Open Access
58 Citations
9,321 Views
14 Pages

Research suggests that there might be a relationship between chew count as well as chewing rate and energy intake. Chewing has been used in wearable sensor systems for the automatic detection of food intake, but little work has been reported on the a...

  • Article
  • Open Access
44 Citations
5,180 Views
14 Pages

16 November 2021

Climate-smart forestry is a sustainable forest management approach for increasing positive climate impacts on society. As climate-smart forestry is focusing on more sustainable solutions that are resource-efficient and circular, digitalization plays...

  • Article
  • Open Access
4 Citations
4,097 Views
13 Pages

Deep Learning Method for Precise Landmark Identification and Structural Assessment of Whole-Spine Radiographs

  • Sung Hyun Noh,
  • Gaeun Lee,
  • Hyun-Jin Bae,
  • Ju Yeon Han,
  • Su Jeong Son,
  • Deok Kim,
  • Jeong Yeon Park,
  • Seung Kyeong Choi,
  • Pyung Goo Cho and
  • Yoon Ha
  • + 6 authors

This study measured parameters automatically by marking the point for measuring each parameter on whole-spine radiographs. Between January 2020 and December 2021, 1017 sequential lateral whole-spine radiographs were retrospectively obtained. Of these...

  • Article
  • Open Access
4 Citations
2,020 Views
20 Pages

Non-Contact Dimensional Quality Inspection System of Prefabricated Components Using 3D Matrix Camera

  • Wanqing Lyu,
  • Xiwang Chen,
  • Wenlong Han,
  • Kun Ni,
  • Rui Jing,
  • Lin Tong,
  • Junzheng Pan and
  • Qian Wang

Dimensional quality inspection of prefabricated components is crucial for ensuring building quality and safety. Currently, manual measurement methods are predominantly used in dimensional quality inspection of prefabricated components, which are both...

  • Feature Paper
  • Article
  • Open Access
5 Citations
4,195 Views
15 Pages

Automatic Parametrization of Urban Areas Using ALS Data: The Case Study of Santiago de Compostela

  • Mario Soilán,
  • Belén Riveiro,
  • Patricia Liñares and
  • Andrea Pérez-Rivas

Nowadays, gathering accurate and meaningful information about the urban environment with the maximum efficiency in terms of cost and time has become more relevant for city administrations, as this information is essential if the sustainability or the...

  • Article
  • Open Access
11 Citations
4,584 Views
16 Pages

PTEN and DNA Ploidy Status by Machine Learning in Prostate Cancer

  • Karolina Cyll,
  • Andreas Kleppe,
  • Joakim Kalsnes,
  • Ljiljana Vlatkovic,
  • Manohar Pradhan,
  • Wanja Kildal,
  • Kari Anne R. Tobin,
  • Trine M. Reine,
  • Håkon Wæhre and
  • Håvard E. Danielsen
  • + 4 authors

26 August 2021

Machine learning (ML) is expected to improve biomarker assessment. Using convolution neural networks, we developed a fully-automated method for assessing PTEN protein status in immunohistochemically-stained slides using a radical prostatectomy (RP) c...

  • Article
  • Open Access
33 Citations
10,077 Views
25 Pages

Determination of Turning Radius and Lateral Acceleration of Vehicle by GNSS/INS Sensor

  • Juraj Jagelčák,
  • Jozef Gnap,
  • Ondrej Kuba,
  • Jaroslav Frnda and
  • Mariusz Kostrzewski

16 March 2022

In this article, we address the determination of turning radius and lateral acceleration acting on a vehicle up to 3.5 t gross vehicle mass (GVM) and cargo in curves based on turning radius and speed. Global Navigation Satellite System with Inertial...

  • Article
  • Open Access
23 Citations
9,856 Views
16 Pages

This paper aims to test the adaptive market hypothesis in the two main Vietnamese stock exchanges, namely Ho Chi Minh City Stock Exchange (HSX) and Hanoi Stock Exchange (HNX), by measuring the relationship between current stock returns and historical...

  • Article
  • Open Access
29 Citations
7,523 Views
18 Pages

1 September 2020

Stomata are microscopic pores on the plant epidermis that regulate the water content and CO2 levels in leaves. Thus, they play an important role in plant growth and development. Currently, most of the common methods for the measurement of pore anatom...

  • Article
  • Open Access
5 Citations
3,199 Views
21 Pages

Collaborative Measurement System of Dual Mobile Robots That Integrates Visual Tracking and 3D Measurement

  • Lizhe Qi,
  • Zhongxue Gan,
  • Jiankun Ren,
  • Fuwang Wu,
  • Hao Su,
  • Zhen Mei and
  • Yunquan Sun

The manufacturing accuracy of large-scale complex components determines the performance and quality of aircraft, ships, high-speed rail, and other equipment. High-precision 3D measurement plays a crucial role in ensuring manufacturing accuracy. At pr...

  • Article
  • Open Access
14 Citations
4,122 Views
14 Pages

Use of U-Net Convolutional Neural Networks for Automated Segmentation of Fecal Material for Objective Evaluation of Bowel Preparation Quality in Colonoscopy

  • Yen-Po Wang,
  • Ying-Chun Jheng,
  • Kuang-Yi Sung,
  • Hung-En Lin,
  • I-Fang Hsin,
  • Ping-Hsien Chen,
  • Yuan-Chia Chu,
  • David Lu,
  • Yuan-Jen Wang and
  • Ching-Liang Lu
  • + 2 authors

Background: Adequate bowel cleansing is important for colonoscopy performance evaluation. Current bowel cleansing evaluation scales are subjective, with a wide variation in consistency among physicians and low reported rates of accuracy. We aim to us...

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