Feifan Ma

ORCID: 0000-0003-0493-6263
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About
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Research Areas
  • 3D Shape Modeling and Analysis
  • 3D Surveying and Cultural Heritage
  • Remote Sensing and LiDAR Applications
  • Inflammatory Bowel Disease
  • Robotics and Sensor-Based Localization
  • Probiotics and Fermented Foods
  • Spectroscopy and Laser Applications
  • Advanced Optical Sensing Technologies
  • Polysaccharides and Plant Cell Walls
  • Adipose Tissue and Metabolism
  • Human Pose and Action Recognition
  • Optical measurement and interference techniques
  • Atmospheric aerosols and clouds
  • Intracerebral and Subarachnoid Hemorrhage Research
  • Plant Genetic and Mutation Studies
  • Spacecraft Design and Technology
  • Domain Adaptation and Few-Shot Learning
  • Advanced Battery Technologies Research
  • Bioactive natural compounds
  • Computer Graphics and Visualization Techniques
  • Space Satellite Systems and Control
  • Antioxidant Activity and Oxidative Stress
  • Optical Systems and Laser Technology
  • Smoking Behavior and Cessation
  • Adipokines, Inflammation, and Metabolic Diseases

Sun Yat-sen University
2022-2024

Baoding No.1 Central Hospital
2022

Baoding People's Hospital
2022

Qilu University of Technology
2021-2022

Shandong Academy of Sciences
2021-2022

Objective: To explore the clinical effect of nimodipine combined with statins in treatment subarachnoid haemorrhage. Method: The retrospective study was conducted at Baoding Forensic Hospital, China, and comprised data haemorrhage patients who were treated from March 2019 to 2022. divided into two groups on basis method. Control group A nimodipine, while observation B statins. Clinical efficacy assessed compared along endothelin 1, calcitonin gene-related peptide, vascular endothelial growth...

10.47391/jpma.11366 article EN cc-by Journal of the Pakistan Medical Association 2025-04-27

Because of the increased incidence and prevalence, ulcerative colitis (UC) has become a global health issue in world. Current therapies for UC are not totally effective which result persistent recurrent symptom many patients. Lactobacillus with anti-inflammatory effects might be beneficial to prevention or treatment UC. Here, we examined ameliorative metabolites fermentum F-B9-1 (MLF) Caco-2 cells dextran sodium sulfate (DSS)-induced model mice. MLF displayed intestinal barrier-protective...

10.3389/fmicb.2022.865925 article EN cc-by Frontiers in Microbiology 2022-04-28

With the development of times, electronic cigarettes (e-cigarettes) are being received by more and people. We compared different effects e-cigarettes tobacco on human umbilical vein endothelial cells (HUVECs) treated with typical e-cigarette aerosol extracts (ECA) cigarette smoking (CS) sourced from commercial retail stores. HUVECs were kinds ECA or CS nicotinic concentrations (0.03125, 0.125, 0.5, 2, 8, 32 μg/mL). Cell viability was examined MTT assay. The cell apoptosis investigated...

10.1177/09603271221088996 article EN cc-by-nc Human & Experimental Toxicology 2022-01-01

Thanks to the development of deep learning technology and computer science, 3D point cloud analysis is becoming a research hotspot. Based on convolution operator, local feature fundamental but far from perfect regarding task. Actually, when people see wing-like part (local features), our brain immediately associates it with plane model (global then we further trust that it's wing based feedback brain. Such hidden features between global are commonly-existed, ignored by existing methods. To...

10.1109/lra.2022.3223558 article EN IEEE Robotics and Automation Letters 2022-11-21

Unsupervised domain adaptation (UDA) could significantly improve the cross-domain performance of current supervised 3D deep learning methods and have a widespread application prospect. However, gap between source target renders UDA problem highly challenging. In this letter, we present novel method for point clouds from perspective multi-strategy. First, explore effectiveness state-of-the-art data augmentation to cloud adaptation, introduce procedure two widely-existed scenarios, i.e.,...

10.1109/lra.2023.3301278 article EN IEEE Robotics and Automation Letters 2023-08-02

The laser imaging system based on Single-photon avalanche diodes (SPAD) has demonstrated significant promise in long-range or low-power detection. However, the obtained point clouds encompass intricate noise attributable to device's detection characteristics, significantly affecting downstream applications. In this paper, we present a novel denoising method named LCLOF for SPAD-acquired clouds, built upon completion strategy and SPAD discrete probability model. Instead of directly input raw...

10.1109/tgrs.2024.3364252 article EN IEEE Transactions on Geoscience and Remote Sensing 2024-01-01

10.1109/jstars.2024.3469269 article EN cc-by-nc-nd IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 2024-01-01

In recent years, with the vigorous development of electric vehicle industry, number car ownership in China has increased year by year. However, due to limitation storage capacity lithium batteries, mileage pure vehicles is short, and supporting facilities such as charging piles are not perfect enough, resulting inconvenient charging. These troubles have brought about problems horizontal anxiety restricted vehicles. This paper, based on information collected BMS, constructs characteristics...

10.1109/eitce47263.2019.9095080 article EN 2019 3rd International Conference on Electronic Information Technology and Computer Engineering (EITCE) 2019-10-01

Abstract Numerous point-cloud-based applications, including surface reconstruction and completion, greatly benefit from the utilization of edge features, which play a crucial role in structuring target shape. Nevertheless, current limitations point cloud detection techniques effectiveness efficiency have motivated us to develop more robust 3D method. In this paper, we introduce simple yet effective descriptor for evaluating level clouds. This is defined as variance max-angular gaps between...

10.1088/1361-6501/ad0a23 article EN Measurement Science and Technology 2023-11-06

Cistanche deserticola Ma (cistanche) is a traditional herb with wide range of therapeutic properties. However, no evidence cistanche’s effect on adipogenesis has been found. The cistanche that promotes the 3T3-L1 preadipocytes was proved by using MTT spectrophotometry, Nile Red staining, Oil O staining and transcriptome sequencing technology. mRNA level key transcription factors for such as PPAR, AP2 LPL were examined RT-PCR. results showed intracellular lipid content in treated cells...

10.1371/journal.pone.0264772 article EN cc-by PLoS ONE 2022-03-01

Ulcerative colitis (UC) is a global disease, characterized by periods of relapse that seriously affects the quality life patients. Oligosaccharides are considered to be prospective strategy alleviate symptoms UC. The present study aimed evaluate effect weilan gum oligosaccharide (WLGO) on mouse UC model induced dextran sulfate sodium (DSS). WLGO structural physical properties were electrospray mass spectrometry and fourier tansform infrared spectroscopy. MTT assays performed non‑toxic...

10.3892/mmr.2021.12568 article EN cc-by-nc-nd Molecular Medicine Reports 2021-12-13

In the case of a weak signal from photon counting lidar and strong noise solar background, is completely submerged by noise, potentially resulting in appearance multiple peaks denoising algorithm entropy. Consequently, clear distinction between may become challenging, leading to significant fluctuation ranging error. To solve this problem, paper proposes an improved offset parameter optimization under framework entropy, aiming effectively eliminate peak interference caused enhancing...

10.3390/e26110934 article EN cc-by Entropy 2024-10-31

To analyze the effects of compound dextran combined with atorvastatin calcium on blood flow indexes, peroxidase 2 (Prx2) and endothelin-1 (ET-1) in patients cerebral vasospasm (CVS) caused by subarachnoid hemorrhage (SAH).One hundred CVS SAH treated Baoding No.1 Central Hospital from January 2019 to December 2020 were divided into observation group control group. The was tablets, while additionally dextran. hospital stays, Glasgow Outcome Scale (GOS), hemoglobin (Hb) hematocrit (Hct) levels...

10.12669/pjms.38.8.5504 article EN cc-by Pakistan Journal of Medical Sciences 2022-09-22

Rigid point cloud registration plays an important role in self-driving, drones, robotics and many other fields. The sensor limitations external environment interference practical applications lead to low overlap a pair of clouds which have some problems such as missing points extraneous points. However, most the current methods rely on complete compute correspondences, showing unsatisfactory performance registration. In this letter, we present voxel pre-localization multi-scale...

10.1109/lgrs.2023.3336303 article EN IEEE Geoscience and Remote Sensing Letters 2023-11-28
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