Research Output 1995 2018

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2018

Segmentation of vessels in angiograms using convolutional neural networks

Nasr-Esfahani, E., Karimi, N., Jafari, M. H., Soroushmehr, S. M. R., Samavi, S., Nallamothu, B. K. & Najarian, K. Feb 1 2018 In : Biomedical Signal Processing and Control. 40, p. 240-251 12 p.

Research output: Research - peer-reviewArticle

Angiography
Neural networks
Coronary Artery Disease
Pixels
Image Enhancement
2017

Extraction of skin lesions from non-dermoscopic images for surgical excision of melanoma

Jafari, M. H., Nasr-Esfahani, E., Karimi, N., Soroushmehr, S. M. R., Samavi, S. & Najarian, K. Jun 1 2017 In : International Journal of Computer Assisted Radiology and Surgery. 12, 6, p. 1021-1030 10 p.

Research output: Research - peer-reviewArticle

Melanoma
Skin
Costs and Cost Analysis
Neoplasms
Datasets

Framework for robust blind image watermarking based on classification of attacks

Heidari, M., Samavi, S., Soroushmehr, S. M. R., Shirani, S., Karimi, N. & Najarian, K. Nov 1 2017 In : Multimedia Tools and Applications. 76, 22, p. 23459-23479 21 p.

Research output: Research - peer-reviewArticle

Image watermarking
Watermarking
Internet
Electric Impedance
Artifacts
Respiration
Independent component analysis
Monitoring

Pyramidal modeling of geometric distortions for retargeted image quality evaluation

Karimi, M., Samavi, S., Karimi, N., Soroushmehr, S. M. R., Lin, W. & Najarian, K. Jul 29 2017 (Accepted/In press) In : Multimedia Tools and Applications. p. 1-22 22 p.

Research output: Research - peer-reviewArticle

Image quality
Aspect ratio
Pixels
Degradation
1 Citations

Quality assessment of retargeted images by salient region deformity analysis

Karimi, M., Samavi, S., Karimi, N., Soroushmehr, S. M. R., Lin, W. & Najarian, K. Feb 1 2017 In : Journal of Visual Communication and Image Representation. 43, p. 108-118 11 p.

Research output: Research - peer-reviewArticle

Optical flows
Aspect ratio
Degradation

Robust image watermarking scheme using bit-plane of hadamard coefficients

Etemad, E., Samavi, S., Reza Soroushmehr, S. M., Karimi, N., Etemad, M., Shirani, S. & Najarian, K. Jan 28 2017 (Accepted/In press) In : Multimedia Tools and Applications. p. 1-23 23 p.

Research output: Research - peer-reviewArticle

Image watermarking
Watermarking
Transparency
Hadamard transforms
Discrete cosine transforms

Surface area-based focus criterion for multi-focus image fusion

Nejati, M., Samavi, S., Karimi, N., Reza Soroushmehr, S. M., Shirani, S., Roosta, I. & Najarian, K. Jul 1 2017 In : Information Fusion. 36, p. 284-295 12 p.

Research output: Research - peer-reviewArticle

Image fusion
Lenses
Optical devices
Computer vision
Image processing

Windowed persistent homology: A topological signal processing algorithm applied to clinical obesity data

Biwer, C., Rothberg, A., Reger, H. I., Derksen, H., Burant, C. F. & Najarian, K. May 1 2017 In : PLoS ONE. 12, 5, e0177696

Research output: Research - peer-reviewArticle

Obesity
Weights and Measures
Regain
Signal processing
obesity
2016
1 Citations

A signal processing approach for detection of hemodynamic instability before decompensation

Belle, A., Ansari, S., Spadafore, M., Convertino, V. A., Ward, K. R., Derksen, H. & Najarian, K. Feb 1 2016 In : PLoS ONE. 11, 2, e0148544

Research output: Research - peer-reviewArticle

hemodynamics
Hemodynamics
Signal processing
monitoring
heart rate
2 Citations

Boosted Dictionary Learning for Image Compression

Nejati, M., Samavi, S., Karimi, N., Soroushmehr, S. M. R. & Najarian, K. Oct 1 2016 In : IEEE Transactions on Image Processing. 25, 10, p. 4900-4915 16 p., 7536205

Research output: Research - peer-reviewArticle

Glossaries
Image compression
Signal processing
Image processing
2 Citations

Denoising by low-rank and sparse representations

Nejati, M., Samavi, S., Derksen, H. & Najarian, K. Apr 1 2016 In : Journal of Visual Communication and Image Representation. 36, p. 28-39 12 p.

Research output: Research - peer-reviewArticle

Image denoising
Restoration
Recovery

Digitization of Electrocardiogram From Telemetry Prior to In-hospital Cardiac Arrest: A Pilot Study

Attin, M., Wang, L., Soroushmehr, S. M. R., Lin, C. D., Lemus, H., Spadafore, M. & Najarian, K. Mar 1 2016 In : Biological Research for Nursing. 18, 2, p. 230-236 7 p.

Research output: Research - peer-reviewArticle

Telemetry
Heart Arrest
Electrocardiography
Disclosure
Heart Rate

Integration of attributes from non-linear characterization of cardiovascular time-series for prediction of defibrillation outcomes

Shandilya, S., Kurz, M. C., Ward, K. R. & Najarian, K. Jan 7 2016 In : PLoS ONE. 11, 1, e0141313

Research output: Research - peer-reviewArticle

Nonlinear Dynamics
time series analysis
prediction
Time series
Out-of-Hospital Cardiac Arrest
1 Citations

Suppression of false arrhythmia alarms in the ICU: A machine learning approach

Ansari, S., Belle, A., Ghanbari, H., Salamango, M. & Najarian, K. Jul 25 2016 In : Physiological Measurement. 37, 8, p. 1186-1203 18 p.

Research output: Research - peer-reviewArticle

Cardiac Arrhythmias
Machine Learning
Intensive care units
Learning systems
Ventricular Fibrillation
3 Citations

Toward practical guideline for design of image compression algorithms for biomedical applications

Karimi, N., Samavi, S., Soroushmehr, S. M. R., Shirani, S. & Najarian, K. Sep 1 2016 In : Expert Systems with Applications. 56, p. 360-367 8 p.

Research output: Research - peer-reviewArticle

Image compression
Big data
Data compression
Medicine
Precision Medicine
Delivery of Health Care
Patient Acceptance of Health Care
2015
27 Citations

Big data analytics in healthcare

Belle, A., Thiagarajan, R., Soroushmehr, S. M. R., Navidi, F., Beard, D. A. & Najarian, K. 2015 In : BioMed Research International. 2015, 370194

Research output: Research - peer-reviewArticle

Delivery of Health Care
Research
Big data
Information Storage and Retrieval
Health Services Research
5 Citations

Electrocardiogram characteristics prior to in-hospital cardiac arrest

Attin, M., Feld, G., Lemus, H., Najarian, K., Shandilya, S., Wang, L., Sabouriazad, P. & Lin, C. D. Jun 1 2015 In : Journal of Clinical Monitoring and Computing. 29, 3, p. 385-392 8 p.

Research output: Research - peer-reviewArticle

Heart Arrest
Electrocardiography
Demography
Telemetry
Cardiopulmonary Resuscitation
2 Citations
Impedance Plethysmography
Artifacts
Plethysmography
Respiration
Monitoring
1 Citations

Spleen Segmentation and Assessment in CT Images for Traumatic Abdominal Injuries

Reza Soroushmehr, S. M., Davuluri, P., Molaei, S., Hargraves, R. H., Tang, Y., Cockrell, C. H., Ward, K. & Najarian, K. Sep 28 2015 In : Journal of Medical Systems. 39, 9, 87

Research output: Research - peer-reviewArticle

Abdominal Injuries
Spleen
Tomography
Merging
Lacerations
2014
Optical Devices
Dental Caries
Tooth
Expert systems
Wavelet transforms
5 Citations

Bone segmentation and 3D visualization of CT images for traumatic pelvic injuries

Wu, J., Belle, A., Hargraves, R. H., Cockrell, C., Tang, Y. & Najarian, K. Mar 2014 In : International Journal of Imaging Systems and Technology. 24, 1, p. 29-38 10 p.

Research output: Research - peer-reviewArticle

Bone
Visualization
Decision making
2 Citations

Rule-based computer aided decision making for traumatic brain injuries

Belle, A., Ji, S. Y., Chen, W., Huynh, T. & Najarian, K. 2014 In : Intelligent Systems Reference Library. 56, p. 229-259 31 p.

Research output: Research - peer-reviewArticle

Decision making
Physicians
Traumatic brain injury
Machine learning
Rule-based
2013
10 Citations

A hierarchical method for removal of baseline drift from biomedical signals: Application in ECG analysis

Luo, Y., Hargraves, R. H., Belle, A., Bai, O., Qi, X., Ward, K. R., Pfaffenberger, M. P. & Najarian, K. 2013 In : The Scientific World Journal. 2013, 896056

Research output: Research - peer-reviewArticle

analysis
method
removal
Electrocardiography
electrode
6 Citations
Wound Healing
Quantification
Nucleus
Segmentation
Entropy
3 Citations
Intracranial Pressure
Tomography
Brain
Physicians
Screening
11 Citations

Heart rate variability analysis during central hypovolemia using wavelet transformation

Ji, S. Y., Belle, A., Ward, K. R., Ryan, K. L., Rickards, C. A., Convertino, V. A. & Najarian, K. Jun 2013 In : Journal of Clinical Monitoring and Computing. 27, 3, p. 289-302 14 p.

Research output: Research - peer-reviewArticle

Wavelet Analysis
Hypovolemia
Heart Rate
Fractals
Hemorrhage
2 Citations

Intracranial pressure (ICP) level estimation using textural features of brain CT images

Aghazadeh, B. S., Khaleghi, M., Pidaparti, R. & Najarian, K. 2013 In : Computer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization. 1, 3, p. 130-137 8 p.

Research output: Research - peer-reviewArticle

Intracranial Pressure
Tomography
Brain
Wavelet Analysis
Traumatic Brain Injury
1 Citations
Wavelet transforms
Brain
Support vector machines
Feature extraction
Textures
2 Citations
Learning systems
Feature extraction
Brain
Statistical methods
statistical analysis
Medicine
Biology
Image Processing
Machine Learning
Decision Making
2012
4 Citations

An automated method for analysis of microcirculation videos for accurate assessment of tissue perfusion

Demir, S. U., Hakimzadeh, R., Hargraves, R. H., Ward, K. R., Myer, E. V. & Najarian, K. Dec 21 2012 In : BMC Medical Imaging. 12, 37

Research output: Research - peer-reviewArticle

Microcirculation
Perfusion
Microvessels
Video Recording
Resuscitation
13 Citations
Engagement
Electrocardiogram
Electrocardiography
Person
Discrete wavelet transforms
8 Citations

Fracture detection in traumatic pelvic CT images

Wu, J., Davuluri, P., Ward, K. R., Cockrell, C., Hobson, R. & Najarian, K. 2012 In : International Journal of Biomedical Imaging. 2012, 327198

Research output: Research - peer-reviewArticle

Tomography
Pelvic Bones
Bone Fractures
Wounds and Injuries
Wavelet Analysis
7 Citations

Hemorrhage detection and segmentation in traumatic pelvic injuries

Davuluri, P., Wu, J., Tang, Y., Cockrell, C. H., Ward, K. R., Najarian, K. & Hargraves, R. H. 2012 In : Computational and Mathematical Methods in Medicine. 2012, 898430

Research output: Research - peer-reviewArticle

Hemorrhage
Wounds and Injuries
Segmentation
Decision making
Decision Making
10 Citations
Ventricular Fibrillation
Machine Learning
Heart Arrest
Area Under Curve
Electrocardiography
2011
5 Citations
Coagulation
Blood
Graphics processing unit
Blood Coagulation
Systems Analysis

An Adaptive Entropic Thresholding Technique for Image Processing and Diagnostic Analysis of Microcirculation Videos

Mirshahi, N., Demir, S., Ward, K., Hakimzadeh, R. & Najarian, K. 2011 In : International Journal on Advances in Life Sciences. 2, p. 133-142

Research output: Research - peer-reviewArticle

Microcirculation
Image processing
diagnostic
video
Resuscitation
3 Citations
Hemorrhage
Wounds and Injuries
Computerized tomography
Statistical tests
Pelvis
Computerized tomography
Bone
Pelvic Bones
Tissue
Physicians
1 Citations
Quality of Health Care
Physicians
Datasets
Clinical Decision-Making
Decision support systems
2010
1 Citations

An adaptive entropic thresholding technique for image processing and diagnostic analysis of microcirculation videos

Mirshahi, N., Najarian, K., Demir, S., Hobson, R., Ward, K. & Hakimzadeh, R. 2010 In : International Journal on Advances in Life Sciences. 2, 3-4, p. 133-142 10 p.

Research output: Research - peer-reviewArticle

Microcirculation
Image processing
diagnostic
video
Resuscitation
2 Citations

A signal processing method to explore similarity in protein flexibility

Mirshahi, N., Vasilache, S., Ji, S. Y., Mottonen, J., Jacobs, D. J. & Najarian, K. 2010 In : Advances in Bioinformatics. 2010, 454671

Research output: Research - peer-reviewArticle

Signal processing
Proteins
Image processing
Mechanical properties
Datasets
2009
25 Citations
Computer-Assisted Decision Making
Wounds and Injuries
Machine Learning
Traumatic Brain Injury
Decision Making
6 Citations
X-Rays
Bone and Bones
Wounds and Injuries
Therapeutics
Pubic Bone
25 Citations
Brain
Brain Concussion
Skull
Health Care Costs
Decision Making
Brain Mapping
Wavelet Analysis
Dyslexia
Magnetic Resonance Imaging
Healthy Volunteers