Dimitar Rangelov

ORCID: 0009-0005-8511-1555
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About
Contact & Profiles
Research Areas
  • Image Processing and 3D Reconstruction
  • 3D Surveying and Cultural Heritage
  • Remote Sensing and LiDAR Applications
  • Forensic Anthropology and Bioarchaeology Studies
  • Pelvic and Acetabular Injuries
  • Advanced X-ray and CT Imaging
  • Autopsy Techniques and Outcomes
  • Digital and Cyber Forensics
  • Medical and Biological Sciences
  • Nuclear Physics and Applications
  • Advanced X-ray Imaging Techniques

Saxion University of Applied Sciences
2024-2025

University of Twente
2024-2025

Medical University of Varna
2018

This study examines how different filming techniques can enhance the quality of 3D reconstructions with a particular focus on their use in indoor crime scene investigations. Using Neural Radiance Fields (NeRF) and Gaussian Splatting, we explored factors like camera orientation, speed, data layering, scanning path affect detail clarity reconstructions. Through experiments mock apartment, identified optimal methods that reduce noise artifacts, delivering clearer more accurate Filming landscape...

10.3390/jimaging11020065 article EN cc-by Journal of Imaging 2025-02-18

Cervical cancer remains a leading cause of morbidity and mortality among women worldwide, particularly in regions with limited access to advanced medical care. Accurate timely diagnosis precancerous changes the cervix is critical for effective prevention treatment. This study introduces deep learning algorithm colposcopic analysis transformation zone uterine cervix. Intel & MobileODT Cancer Screening competition provided comprehensive dataset designed advance application artificial...

10.3897/jbcr.e144006 article EN cc-by Journal of Biomedical and Clinical Research 2025-02-26

This study presents a comparative evaluation of Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS) for reconstruction under various filming techniques. High-quality models are essential in range applications, from forensic investigations to cultural heritage preservation, architecture, robotics, where detail accuracy minimal noise critical. Leveraging continuous video footage captured with stabilized full-frame camera setup, this research examines both algorithms across indoor...

10.20944/preprints202504.1068.v1 preprint EN 2025-04-14

Integration of ground-penetrating radar (GPR) with unmanned aerial vehicles (UAVs) promises new possibilities for non-invasive archaeological site identification, especially where areas are hard to reach or sensitive disturbance. This research investigates utilization GPR technology mounted on a UAV identify World War II hiding place significance, the 'Onderduikhol,' next Bornerbroekseweg, Wierden municipality, Netherlands. During surveys, Compact Broadband Detector (CBD)...

10.20944/preprints202504.2428.v1 preprint EN 2025-04-29

This paper explores the influence of various camera settings on quality 3D reconstructions, particularly in indoor crime scene investigations. Utilizing Neural Radiance Fields (NeRF) and Gaussian Splatting for reconstruction, we analysed impact ISO, shutter speed, aperture resulting reconstructions. By conducting controlled experiments a meeting room setup, identified optimal that minimize noise artifacts while maximizing detail brightness. Our findings indicate an ISO 200, speed 1/60...

10.20944/preprints202410.2041.v1 preprint EN 2024-10-28

This paper explores the influence of various camera settings on quality 3D reconstructions, particularly in indoor crime scene investigations. Utilizing Neural Radiance Fields (NeRF) and Gaussian Splatting for reconstruction, we analyzed impact ISO, shutter speed, aperture resulting reconstructions. By conducting controlled experiments a meeting room setup, identified optimal that minimize noise artifacts while maximizing detail brightness. Our findings indicate an ISO 200, speed 1/60 s,...

10.3390/s24237594 article EN cc-by Sensors 2024-11-28

This study examines how different filming techniques can enhance the quality of 3D reconstructions with a particular focus on their use in indoor crime scene investigations. Using Neural Radiance Fields (NeRF) and Gaussian Splatting we explored factors like camera orientation, speed, data layering, scanning path affect detail clarity reconstructions. Through experiments mock apartment, identified optimal methods that reduce noise artifacts, delivering clearer more accurate Filming landscape...

10.20944/preprints202412.1959.v1 preprint EN 2024-12-24

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10.2139/ssrn.4749359 preprint EN 2024-01-01

Introduction: Oral chronic mechanical irritations (OCMI) may be triggered by poorly fitting or badly adjusted dentures. They represent an etiological factor for developing fibromatous growth of the oral mucosa. The aim study is to determine presence reactive soft tissue enlargements, caused removable dentures, as a contributing growth. Materials and methods: 60 patients (30 male 30 female) were examined at Department Prosthetic Dental Medicine Medical University Varna over period September -...

10.14748/ssvs.v2i0.4726 article EN Scripta Scientifica Vox Studentium 2018-04-12
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