A5064649922- Ultrasonics and Acoustic Wave Propagation
- Ultrasound Imaging and Elastography
- Scoliosis diagnosis and treatment
- Dental Radiography and Imaging
- Spinal Fractures and Fixation Techniques
- Seismic Imaging and Inversion Techniques
- Bone health and osteoporosis research
- Medical Imaging and Analysis
- Seismic Waves and Analysis
- Dental Implant Techniques and Outcomes
- Pelvic and Acetabular Injuries
- Hip disorders and treatments
- Medical Image Segmentation Techniques
- Non-Destructive Testing Techniques
- Spine and Intervertebral Disc Pathology
- Geophysical Methods and Applications
- Underwater Acoustics Research
- Cerebral Palsy and Movement Disorders
- Endodontics and Root Canal Treatments
- Oral microbiology and periodontitis research
- Geophysics and Sensor Technology
- Photoacoustic and Ultrasonic Imaging
- AI in cancer detection
- Geotechnical Engineering and Underground Structures
- Advanced Sensor and Energy Harvesting Materials
University of Alberta
2016-2025
Fudan University
2018-2024
China National Petroleum Corporation (China)
2021
Alberta Health Services
2009-2019
Glenrose Rehabilitation Hospital
2015
Ho Chi Minh City University of Technology
2015
Health Sciences Centre
1997-1998
University of Calgary
1992-1996
Current research has provided a more comprehensive understanding of Adolescent Idiopathic Scoliosis (AIS) as three-dimensional spinal deformity, encompassing both lateral and rotational components. Apart from quantifying curve severity using the Cobb angle, vertebral rotation become increasingly prominent in study scoliosis. It demonstrates significance preoperative postoperative assessment, providing better appreciation impact bracing or surgical interventions. In past, need for computer...
To investigate the intra- and inter-observer reliability of coronal curvature asymmetry children with adolescent idiopathic scoliosis (AIS) using center lamina (COL) method on ultrasound (US) images.A cadaver spinal column phantom which was manipulated to present 30 scoliotic curves varying severity deformities scanned both US laser scanner (LS) systems. Three observers experience skill measured Cobb LS images COL images. All measurements were performed twice, a 1-week interval reduce memory...
The use of intraoral ultrasound imaging has received great attention recently due to the benefits being a portable and low-cost solution for initial continuing care that is noninvasive free ionizing radiation. Alveolar bone an important structure in periodontal apparatus support tooth. Accurate assessment alveolar level essential diagnosis. However, interpretation images challenge clinicians. This work aimed at automatically segmenting locating crest via machine learning (ML) approach...
This study uses seismological principles and techniques including waveform simulations travel time calculations to reveal the nature of ultrasound wave propagation in long bones at small offsets (source-to-receiver distances) times. Our experiments confirm existence reflected converted body waves originating from interaction internal interfaces a bone structure. We demonstrate that responses can be successfully simulated properly interpreted based on simple, horizontally layered approximation.
Study Design Development of a computer-aided Cobb measurement method and evaluation its reliability. Objectives To reduce the variability angle by developing to investigate if developed is sensitive observer skill levels or experiences. Summary Background Data Therapeutic decisions for scoliosis heavily rely on measured from consecutive radiographs. The manual subject human errors. error 3 10 degrees resulted different end-vertebrae selection and/or manually drawing variable best-fit lines...
Scoliosis is a musculoskeletal disorder manifested as three-dimensional spinal deformity. It affects 2% - 3% of the adolescent population. The conventional method to diagnose scoliosis measure Cobb angle from posteroante-rior radiograph. Since radiation exposure not desirable for patients, other non-ionizing methods have been explored. Among all non-ionization methods, ultrasound (US) potential cost-effective method. However, our understand-ing US interaction with vertebrae or spine limited....
A 3-D ultrasound (US) imaging technique has been studied to facilitate the diagnosis of spinal deformity without radiation. The objective this article is propose an assessment framework automatically estimate in US spine images. proposed comprises four major components, a image generator, novel transformer-based lightweight detector network, angle evaluator, and modeler. principal component analysis (PCA) discriminative scale space tracking (DSST) method are first adopted generate equipped...
The water-saturated aluminum foams with an open network of interconnected ligaments were investigated by ultrasonic transmission technique for the suitability as cancellous bone-mimicking phantoms. phase velocities and attenuation nine samples covering three pores per inch (5, 10, 20 PPI) volume fractions 8, 12% AVF) measured over a frequency range 0.7–1.3 MHz. ligament thickness pore sizes phantoms low-density human bones are similar. A strong slow wave weak fast observed all while latter...
Retrospective study of the coronal curvature measurement on ultrasound (US) images with aid previous radiographs.To compare reliability and accuracy measurements from US children who have adolescent idiopathic scoliosis (AIS) without knowledge radiographs.Using imaging technique to measure AIS has demonstrated high intra- interrater reliabilities. However, selection end-vertebrae difference between radiography method were only moderately reliable.Two raters measured curvatures 65 standing...