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Optimization Of Biomedical Imaging Filters For Use In Recaptured Identity Document Classification, John Magee, Stephen Sheridan Phd, Christina Thorpe Phd Nov 2023

Optimization Of Biomedical Imaging Filters For Use In Recaptured Identity Document Classification, John Magee, Stephen Sheridan Phd, Christina Thorpe Phd

Conference papers

As banks and online financial institutions move toward full remote onboarding services, the attack vectors for bad actors increases to include those of recaptured identity documents. This type of fraud opens banking customers to potential crimes of identity theft, as well as causing reputational damage to the institutions involved. In this paper we extend existing research focusing on the use of biomedical imaging filters and their usefulness when classifying recaptured identity documents. We perform a grid search and demonstrate that different filter configurations exist that dramatically reduce the classification error rates compared to those achieved using only the default filter …


Towards A Virtual Reality Visualization Of Hand-Object Interactions To Support Remote Physical Therapy, Trudi Di Qi, Louanne Boyd, Scott Fitzpatrick, Meghna Raswan, Franceli L. Cibrian Nov 2023

Towards A Virtual Reality Visualization Of Hand-Object Interactions To Support Remote Physical Therapy, Trudi Di Qi, Louanne Boyd, Scott Fitzpatrick, Meghna Raswan, Franceli L. Cibrian

Engineering Faculty Articles and Research

Improving object manipulation skills through hand-object interaction exercises is crucial for rehabilitation. Despite limited healthcare resources, physical therapists propose remote exercise routines followed up by remote monitoring. However, remote motor skills assessment remains challenging due to the lack of effective motion visualizations. Therefore, exploring innovative ways of visualization is crucial, and virtual reality (VR) has shown the potential to address this limitation. However, it is unclear how VR visualization can represent understandable hand-object interactions. To address this gap, in this paper, we present VRMoVi, a VR visualization system that incorporates multiple levels of 3D visualization layers to depict movements. In …


Smokejumper Obituary: Poppie, Wilford D. "Bill" (Missoula 1958 0000), National Smokejumper Association Nov 2023

Smokejumper Obituary: Poppie, Wilford D. "Bill" (Missoula 1958 0000), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Information Needs And Seeking Behaviour Of Health Workers In Rural Areas In Benue State, Nigeria, Yilase Jerome Terhemba, Obande Bonnie Obeka Nov 2023

Information Needs And Seeking Behaviour Of Health Workers In Rural Areas In Benue State, Nigeria, Yilase Jerome Terhemba, Obande Bonnie Obeka

Library Philosophy and Practice (e-journal)

The paper investigates the information needs and seeking behaviour of health workers in the rural areas in Benue state Nigeria. Three research questions guided the study. A descriptive survey design was adopted for the study. A total of four hundred and twenty-two (423) health workers with a sample of two hundred and six (206) health workers from general hospitals in 23 Local Governments Areas in Benue state was used for the study. The questionnaire was used as an instrument for data collection. Data collected was analyzed using descriptive statistics of mean and standard deviation. A mean score cut-off point of …


Efficient Navigation And Motion Control For Autonomous Forklifts In Smart Warehouses: Lspb Trajectory Planning And Mpc Implementation, Konchanok Vorasawad, Myoungkuk Park, Changwon Kim Nov 2023

Efficient Navigation And Motion Control For Autonomous Forklifts In Smart Warehouses: Lspb Trajectory Planning And Mpc Implementation, Konchanok Vorasawad, Myoungkuk Park, Changwon Kim

Michigan Tech Publications

The rise of smart factories and warehouses has ushered in an era of intelligent manufacturing, with autonomous robots playing a pivotal role. This study focuses on improving the navigation and control of autonomous forklifts in warehouse environments. It introduces an innovative approach that combines a modified Linear Segment with Parabolic Blends (LSPB) trajectory planning with Model Predictive Control (MPC) to ensure efficient and secure robot movement. To validate the performance of our proposed path-planning method, MATLAB-based simulations were conducted in various scenarios, including rectangular and warehouse-like environments, to demonstrate the feasibility and effectiveness of the proposed method. The results demonstrated …


Hellyer’S Flag: The Origins Of The Canadian Armed Forces Ensign In Documents, 1964-68, Brian Bertosa Nov 2023

Hellyer’S Flag: The Origins Of The Canadian Armed Forces Ensign In Documents, 1964-68, Brian Bertosa

Canadian Military History

As an unambiguous expression of both Canadian national identity and a unified military, the Canadian Armed Forces Ensign symbolises the victory of the Pearson government in two of its most contentious initiatives. The antecedents and development of the Ensign, however, have not previously been studied. Examined here will be the need for a service ensign after the introduction of the National Flag of Canada in 1965, lukewarm support for an ensign in the upper echelons of the military, hostility in the Cabinet and dogged determination on the part of the Minister of National Defence, Paul Hellyer, to have a design …


“It Is Always Tomorrow In Korea”: The Letters And Photographic Record Of Major Brian Meredith, 1950-1951, Andrew Burtch, Sarah L. Hart Nov 2023

“It Is Always Tomorrow In Korea”: The Letters And Photographic Record Of Major Brian Meredith, 1950-1951, Andrew Burtch, Sarah L. Hart

Canadian Military History

This article sheds light on the important textual and photographic archives of Major Roderick Brian Meredith who was present for key events in the early phases of the Korean War. As an eyewitness during this pivotal period, his letters, broadcasts, and photographic diary offer contemporary interpretations of the war, the mission of the United Nations in Korea, and above all the plight of Korean citizens caught in the crossfire of the first hot war of the Cold War. The authors then describe what sets the Meredith collection apart from other photograph albums held at the Museum, and the recent efforts …


De Las 7 Bolas De Dragón A Los 7 Reinos De Poniente: Viajando Por La Ficción Para Transformar La Realidad, Vania C. Tovilla Nov 2023

De Las 7 Bolas De Dragón A Los 7 Reinos De Poniente: Viajando Por La Ficción Para Transformar La Realidad, Vania C. Tovilla

Journal of Roleplaying Studies and STEAM

resumen

El libro es una muestra de la experiencia y dedicación que tiene Issac Pérez López, quien con más de veinte años de práctica en la creación de entornos lúdicos nos sumerge en una suerte de juego donde al leer sus páginas a través de un lenguaje coloquial y cercano. . a la realidad de los docentes del “Cole” nos ejemplifica y ayuda a comprender un poco más los conceptos y pasos que involucran el término “gamificación”.

Podría ser considerado un libro de autoayuda potenciado (en el buen sentido) para los docentes que se están integrando al mundo de los …


Editorial - Sangre, Sudor, Lágrimas Y Burocracia, Mauricio Rangel Nov 2023

Editorial - Sangre, Sudor, Lágrimas Y Burocracia, Mauricio Rangel

Journal of Roleplaying Studies and STEAM

Estamos muy contentos con la edición de este tercer número del Journal of Roleplaying Studies and STEAM, en primer lugar porque ¡ya contamos con ISSN!, suena a un logro menor pero debemos considerar los vericuetos burocráticos por los que hemos pasado semana tras semana para lograrlo.


Aprendizaje Situado En Mundos Virtuales, Una Experiencia De Participación A Través De Juegos De Rol., Vania C. Tovilla Nov 2023

Aprendizaje Situado En Mundos Virtuales, Una Experiencia De Participación A Través De Juegos De Rol., Vania C. Tovilla

Journal of Roleplaying Studies and STEAM

En tiempos actuales el uso de las tecnologías y la comunicación masiva se hace cada vez más frecuente, ya sea por medio de Internet, los teléfonos inteligentes y otros instrumentos que quizás resignifican el modo en el que los jóvenes en la actualidad conciben términos como virtualidad, aprendiendo y sobre toda la realidad, relacionándose con otros alrededor de todo el mundo. Es quizás por este auge de tecnologías que surgió en el año 2003, la herramienta virtual Second Life ; concebida como un mundo complejo y completamente virtual que permite a los usuarios aprender y vivir en otra realidad como …


Deep Multi-Stage System For Liver And Lesions Segmentation Using Ct Images, Nermeen Elmenabawy, Mervat El-Seddek, Hossam El-Din Moustafa, Ahmed Elnakib Nov 2023

Deep Multi-Stage System For Liver And Lesions Segmentation Using Ct Images, Nermeen Elmenabawy, Mervat El-Seddek, Hossam El-Din Moustafa, Ahmed Elnakib

Mansoura Engineering Journal

Accurate tumor segmentation plays a pivotal role in cancer diagnosis and treatment planning. This study introduces an automated system for segmenting liver and tumors in CT images through a multi-stage process. Initial preprocessing improves image quality, followed by feature extraction using pretrained VGG16-Segnet and FCNAlexnet models. Outputs from both models are combined using a parallel fusion operation. Finally, pixel-wise classification designates pixels as liver, tumor, or background. Evaluation on the MICCAI'2017 LiTS database yielded a Dice coefficient of 95.3% for liver and 78.1% for tumors using 5-fold cross-validation. Comparative studies highlight the superior accuracy of our approach in liver and …


Biogeochemistry Of Upland To Wetland Soils, Sediments, And Surface Waters Across Mid-Atlantic And Great Lakes Coastal Interfaces, Allison N. Myers-Pigg, Stephanie C. Pennington, Khadijah K. Homolka, Allison M. Lewis, Opal Otenburg, Kaizad F. Patel, Erin K. Eberhard, Amy Marcarelli, Et Al. Nov 2023

Biogeochemistry Of Upland To Wetland Soils, Sediments, And Surface Waters Across Mid-Atlantic And Great Lakes Coastal Interfaces, Allison N. Myers-Pigg, Stephanie C. Pennington, Khadijah K. Homolka, Allison M. Lewis, Opal Otenburg, Kaizad F. Patel, Erin K. Eberhard, Amy Marcarelli, Et Al.

Michigan Tech Publications

Transferable and mechanistic understanding of cross-scale interactions is necessary to predict how coastal systems respond to global change. Cohesive datasets across geographically distributed sites can be used to examine how transferable a mechanistic understanding of coastal ecosystem control points is. To address the above research objectives, data were collected by the EXploration of Coastal Hydrobiogeochemistry Across a Network of Gradients and Experiments (EXCHANGE) Consortium – a regionally distributed network of researchers that collaborated on experimental design, methodology, collection, analysis, and publication. The EXCHANGE Consortium collected samples from 52 coastal terrestrial-aquatic interfaces (TAIs) during Fall of 2021. At each TAI, samples …


Occlusive Membranes For Guided Regeneration Of Inflamed Tissue Defects., Woojin Choi, Utkarsh Mangal, Jin-Young Park, Ji-Yeong Kim, Taesuk Jun, Ju Won Jung, Moonhyun Choi, Sungwon Jung, Milae Lee, Ji-Yeong Na, Du Yeol Ryu, Jin Man Kim, Jae-Sung Kwon, Won-Gun Koh, Sangmin Lee, Patrick T J Hwang, Kee-Joon Lee, Ui-Won Jung, Jae-Kook Cha, Sung-Hwan Choi, Jinkee Hong Nov 2023

Occlusive Membranes For Guided Regeneration Of Inflamed Tissue Defects., Woojin Choi, Utkarsh Mangal, Jin-Young Park, Ji-Yeong Kim, Taesuk Jun, Ju Won Jung, Moonhyun Choi, Sungwon Jung, Milae Lee, Ji-Yeong Na, Du Yeol Ryu, Jin Man Kim, Jae-Sung Kwon, Won-Gun Koh, Sangmin Lee, Patrick T J Hwang, Kee-Joon Lee, Ui-Won Jung, Jae-Kook Cha, Sung-Hwan Choi, Jinkee Hong

Henry M. Rowan College of Engineering Departmental Research

Guided bone regeneration aided by the application of occlusive membranes is a promising therapy for diverse inflammatory periodontal diseases. Symbiosis, homeostasis between the host microbiome and cells, occurs in the oral environment under normal, but not pathologic, conditions. Here, we develop a symbiotically integrating occlusive membrane by mimicking the tooth enamel growth or multiple nucleation biomineralization processes. We perform human saliva and in vivo canine experiments to confirm that the symbiotically integrating occlusive membrane induces a symbiotic healing environment. Moreover, we show that the membrane exhibits tractability and enzymatic stability, maintaining the healing space during the entire guided bone regeneration …


Performance Analysis Of Emg Signal Classification Methods For Hand Gesture Recognition In Stroke Rehabilitation, Anggun Winursito, Fatchul Arifin, Muslikhin Muslikhin, Herjuna Artanto, Femilia Hardina Caryn Nov 2023

Performance Analysis Of Emg Signal Classification Methods For Hand Gesture Recognition In Stroke Rehabilitation, Anggun Winursito, Fatchul Arifin, Muslikhin Muslikhin, Herjuna Artanto, Femilia Hardina Caryn

Elinvo (Electronics, Informatics, and Vocational Education)

This study evaluates the performance of different classification methods in classifying healthy individuals and stroke patients. The hand gesture variations of the subjects were also analyzed based on electromyography (EMG) signals. Several classification methods were tested in this analysis to find out which method had the most suitable performance. The results showed that Decision Tree and Naive Bayes classifiers achieved the highest performance in classifying EMG signals from healthy individuals and stroke patients, with both methods showing high accuracy, precision, recall, and F1 score. Specifically, Decision Tree excelled in overall accuracy and recall, while Naive Bayes showed superior precision. For …


A New Algorithm For Encounter Generation: Encounters From Actual Trajectories (Enact), James Anthony Ritchie Iii Nov 2023

A New Algorithm For Encounter Generation: Encounters From Actual Trajectories (Enact), James Anthony Ritchie Iii

Theses and Dissertations

There is ongoing research at the Federal Aviation Administration (FAA) and other private industries to examine a concept for delegated separation in multiple classes of airspace to allow unmanned aircraft systems (UAS) to remain well clear of other aircraft. Detect and Avoid (DAA) capabilities are one potential technology being examined to maintain separation. To evaluate these DAA capabilities, input traffic scenarios are needed, but current approaches are limited by the breadth of the traffic recordings available. This thesis derives a new mathematical algorithm that uses great circle navigation equations in an Earth spherical model and an accurate aircraft performance model …


Imprisoned By Algorithms: Risk Assessment Instruments And Predictive Sentencing In The Criminal Legal System, Thomas Johnson Nov 2023

Imprisoned By Algorithms: Risk Assessment Instruments And Predictive Sentencing In The Criminal Legal System, Thomas Johnson

Master's Theses (2009 -)

Tools for predicting an individual’s risk of recidivism are implemented throughout the criminal legal system, from informing decisions about release pretrial to identifying appropriate treatment plans for successful reentry. Data-driven risk assessment is increasingly being incorporated during sentencing proceedings across the United States. There is significant variation across jurisdictions in how these tools are constructed and what they aim to predict. The use of algorithmic risk assessment at sentencing is hotly contested due to concerns over the opacity of algorithms developed by private corporations, the potential for perpetuating disparities present in the criminal legal system, and violations of the constitutional …


Master Formulae For $N$-Photon Tree Level Amplitudes In Plane Wave Backgrounds, P Copinger, Jp Edwards, A Ilderton, Karthik Rajeev Nov 2023

Master Formulae For $N$-Photon Tree Level Amplitudes In Plane Wave Backgrounds, P Copinger, Jp Edwards, A Ilderton, Karthik Rajeev

School of Engineering, Computing and Mathematics

No abstract provided.


Nr Sidelink Performance Evaluation For Enhanced 5g-V2x Services, Mehnaz Tabassum, Felipe Henrique Bastos, Aurenice M. Oliveira, Aldebaro Klautau Nov 2023

Nr Sidelink Performance Evaluation For Enhanced 5g-V2x Services, Mehnaz Tabassum, Felipe Henrique Bastos, Aurenice M. Oliveira, Aldebaro Klautau

Michigan Tech Publications

The Third Generation Partnership Project (3GPP) has specified Cellular Vehicle-to-Everything (C-V2X) radio access technology in Releases 15–17, with an emphasis on facilitating direct communication between vehicles through the interface, sidelink PC5. This interface provides end-to-end network slicing functionality together with a stable cloud-native core network. The performance of direct vehicle-to-vehicle (V2V) communications has been improved by using the sidelink interface, which allows for a network infrastructure bypass. Sidelink transmissions make use of orthogonal resources that are either centrally allocated (Mode 1, Release 14) or chosen by the vehicles themselves (Mode 2, Release 14). With growing interest in connected and autonomous …


An Autoencoder‑Based Snow Drought Index, Sinan Rasiya Koya, Kanak Kanti Kar, Shivendra Srivastava, Tsegaye Tadesse, Mark Svoboda, Tirthankar Roy Nov 2023

An Autoencoder‑Based Snow Drought Index, Sinan Rasiya Koya, Kanak Kanti Kar, Shivendra Srivastava, Tsegaye Tadesse, Mark Svoboda, Tirthankar Roy

Department of Civil and Environmental Engineering: Faculty Publications

In several regions across the globe, snow has a significant impact on hydrology. The amounts of water that infiltrate the ground and flow as runoff are driven by the melting of snow. Therefore, it is crucial to study the magnitude and effect of snowmelt. Snow droughts, resulting from reduced snow storage, can drastically impact the water supplies in basins where snow predominates, such as in the western United States. Hence, it is important to detect the time and severity of snow droughts efficiently. We propose the Snow Drought Response Index or SnoDRI, a novel indicator that could be used to …


Review Of Design For Combined Base Asphalt Pavements With Asphalt Treated Base And Cement Stabilized Subbase, Li Xuelian, Chen Peng, Cha Xudong Nov 2023

Review Of Design For Combined Base Asphalt Pavements With Asphalt Treated Base And Cement Stabilized Subbase, Li Xuelian, Chen Peng, Cha Xudong

Journal of China & Foreign Highway

At present, there are great differences in the material composition, structure form, damage type, disease cause, design index, and design method of asphalt pavement with asphalt-treated base and cement-stabilized base in various countries. In view of this, this paper summarized the material type and structure form selected in China and abroad and analyzed the damage type and disease cause of this kind of asphalt pavement structure. This paper discussed the differences in the design methods of combined base asphalt pavement in different countries and summarized the disease control types and design indexes in different countries. On this basis, the reasonable …


Stability Analysis Of Be Dding Slope With Soft Rock Under Changing Hydraulic Environment, Pan Rongjian, Zhong Qifeng, Liu Xianlin, Lv Xilin Nov 2023

Stability Analysis Of Be Dding Slope With Soft Rock Under Changing Hydraulic Environment, Pan Rongjian, Zhong Qifeng, Liu Xianlin, Lv Xilin

Journal of China & Foreign Highway

In order to study the influence of moisture content change and rainfall infiltration on the stability of bedding slopes with soft rock interlayer, a highway slope in Guangxi was taken as an example. The moisture content change of bedding slope and the influence law of rainfall infiltration condition on slope safety factor was analyzed by considering the change characteristics of strength parameters of soft rock interlayer with moisture content. The results show that there is a negative exponential relationship between the strength parameters of soft rock interlayer and the moisture content, and there is a critical moisture content. When the …


Experimental Study On Highway Subgrade Of Aeolian Sand Consolidated By Strong Compaction In Desert Shallow Water Lake Area, He Liping, Liu Zhijun, Wang Xuegang, Teng Chao Nov 2023

Experimental Study On Highway Subgrade Of Aeolian Sand Consolidated By Strong Compaction In Desert Shallow Water Lake Area, He Liping, Liu Zhijun, Wang Xuegang, Teng Chao

Journal of China & Foreign Highway

As a backfill with abundant reserves and poor gradation in desert areas, aeolian sand has been successfully applied to some highway subgrades in China, but the treatment of aeolian sand is mainly focused on the superficial surface, and there are few studies on its deep or underwater treatment methods and applicability. Combined with the aeolian sand subgrade in Taitema Lake section of Urumqi–Yuli Expressway project in Xinjiang, the dynamic compaction method was used to treat the aeolian sand in deep water. The aeolian sand sediment, uplift, and excess pore water pressure during compaction were monitored, and the effects of dynamic …


Research On Combined Prediction Model Of Subgrade Settlement Based On Set Pair Analysis Theory, Ding Jianjun, Luo Jinfeng, Wang Qishun Nov 2023

Research On Combined Prediction Model Of Subgrade Settlement Based On Set Pair Analysis Theory, Ding Jianjun, Luo Jinfeng, Wang Qishun

Journal of China & Foreign Highway

In order to predict subgrade settlement under the influence of uncertain factors, this paper constructed a combined prediction model of subgrade settlement based on set pair analysis theory and statistical decision idea. Firstly, the single-item prediction model was selected, and the predicted value and the measured value were constructed as a set pair according to the prediction results of the single-item prediction model. Then, the normal distribution theory was used to determine the set pair relationship partition standard, and the combined weight coefficient was determined based on the connection number to realize the optimal combination of prediction information. Finally, the …


Study On Performance And Dynamic Response Of Composite Stress Absorber Layer, Yang Sanqiang, Li Pengfei, Liu Lu, Cao Zilong Nov 2023

Study On Performance And Dynamic Response Of Composite Stress Absorber Layer, Yang Sanqiang, Li Pengfei, Liu Lu, Cao Zilong

Journal of China & Foreign Highway

In order to compare the performance difference among the composite stress absorption layer, SBS stress absorption layer, and glass grille stress absorption layer, the dynamic response law of the composite stress absorption layer was explored. In this paper, based on the composite stress absorption layer composed of glass grille + rubber-modified asphalt gravel sealing layer, the UTM-25 test system was employed to carry out inter-layer shear, inter-layer tension, low temperature bending, and four-point fatigue test. By laying test sections and sensors, strain information of the stress absorption layer under different conditions was collected. It was found that the bonding force …


Test And Evaluation Of Bearing Capacity Of Crushed Layer Of Old Concrete Pavement, Yue Aijun, Wang Wei, Li Wangming, Tan Jinshou Nov 2023

Test And Evaluation Of Bearing Capacity Of Crushed Layer Of Old Concrete Pavement, Yue Aijun, Wang Wei, Li Wangming, Tan Jinshou

Journal of China & Foreign Highway

In order to accurately evaluate the bearing capacity of the structural layer of old concrete pavement with semi-rigid bases and flexible soil bases after crushing and provide accurate design parameters for the reconstruction of old cement concrete pavement, this paper adopted the bearing plate and Beckman beam to compare the equivalent resilience modulus and bending of the top surface of the structural layer of old cement concrete pavement after crushing. The results show that the average equivalent resilience modulus of the top surface of the old concrete pavement with semi-rigid bases after resonance crushing is 444.20 MPa, and that of …


Application And Research Of Microwave‑Assisted Heating Hot In‑Place Recycling In Expressway Maintenance, Zhu Haoran, Zhang Yang, Ma Hui, Fu Shi, Wang Gui Nov 2023

Application And Research Of Microwave‑Assisted Heating Hot In‑Place Recycling In Expressway Maintenance, Zhu Haoran, Zhang Yang, Ma Hui, Fu Shi, Wang Gui

Journal of China & Foreign Highway

Microwave heating is a kind of heating method studied recently in China and abroad, which has the advantages of deep heating, good uniformity, and high energy utilization. In the past, microwave heating technology was mostly applied to the daily maintenance of asphalt pavement but was not applied to hot in-place recycling in asphalt pavement. Based on the principle and characteristics of microwave heating, this paper put forward the unique combined process flow of microwave-assisted heating and hot in-place recycling in China and abroad and carried out the application of microwave-assisted heating and hot in-place recycling in Lianyungang–Khorgos Expressway maintenance project. …


Application Research On Double‑Layer Continuous Paving Technology Of Thick Cement Stabilized Macadam Base, Su Min Nov 2023

Application Research On Double‑Layer Continuous Paving Technology Of Thick Cement Stabilized Macadam Base, Su Min

Journal of China & Foreign Highway

Based on the example of using the double-layer continuous paving technology for a cement-stabilized gravel base with a large thickness of 36 cm of a highway connection line in Guangdong Province, the key problems in the construction process of double-layer continuous paving, such as road length, interlayer bonding, rolling process, and quality detection, were compared by designing and paving four sections with different technical measures. Finally, according to the test results of the construction section, the construction suggestions were put forward.


Analysis On Application Of Pixel‑Level Segmentation And Measurement Algorithm Road Pavement Cracks Based On Crack Mask R‑Cnn Model, Liu Jianhua, Dong Jiaxiu, Wang Niannian, Fang Hongyuan Nov 2023

Analysis On Application Of Pixel‑Level Segmentation And Measurement Algorithm Road Pavement Cracks Based On Crack Mask R‑Cnn Model, Liu Jianhua, Dong Jiaxiu, Wang Niannian, Fang Hongyuan

Journal of China & Foreign Highway

In view of the existing problems in pavement crack segmentation, this paper proposed a Crack Mask R‑CNN pixel-level segmentation algorithm. Crack Mask R‑CNN is a case segmentation framework for pavement crack images, which can not only detect cracks in the image but also give a high-quality segmentation result for the specific contour of each crack. Firstly, the big data of collected road cracks was denoised and enhanced, and the data set for model training and testing was constructed. Secondly, by optimizing the proportion and size of anchor frames in the segmentation algorithm, the accuracy of the model in selecting crack …


Study On The Mechanism Of Interlayer Failure Of Solid Encapsulated Photovoltaic Pavement, He Xiaobin Nov 2023

Study On The Mechanism Of Interlayer Failure Of Solid Encapsulated Photovoltaic Pavement, He Xiaobin

Journal of China & Foreign Highway

In view of the interlayer stripping failure mode of solid-encapsulated photovoltaic pavement, a three-dimensional finite element model was established by finite element analysis method to carry out plate stress analysis of solid-encapsulated photovoltaic pavement under different loading conditions and different bonding sizes. The mechanism and key influencing factors of the interlayer stripping failure mode of solid-encapsulated photovoltaic pavement were studied, and suggestions for optimal design were put forward. The results show that due to the difference in interlayer bonding force and encapsulating materials, the solid-encapsulated photovoltaic pavement structure is prone to interlayer stripping damage. As the adhesive layer height is …


Study On Pavement Life And Cost Of Glass Fiber Modified Asphalt For Tension Belt, Bai Wei, Kong Weikang, Meng Yongjun Nov 2023

Study On Pavement Life And Cost Of Glass Fiber Modified Asphalt For Tension Belt, Bai Wei, Kong Weikang, Meng Yongjun

Journal of China & Foreign Highway

Adding fiber to asphalt mixture can improve the performance. As an alternative to wood fiber, glass fiber can be used as an additive to asphalt mixtures such as stone mastic asphalt. The effect of adding loose glass fiber on the properties of different asphalt mixtures was studied. The influence of glass fiber on the fatigue and stiffness properties of asphalt mixture was studied through the cyclic indirect tensile test by selecting glass fiber with a constant mass ratio of 0.5%, and the application of these asphalt mixtures as tension bands was further studied. The pavement service life and economic benefits …