Technical Brief

Toward Hand Arthritis Diagnostics Using Smart Phones: Camera Distortion Effect Correction1

[+] Author and Article Information
Farhad Akhbardeh, Kouhyar Tavakolian, Reza Fazel-Rezai

Department of Electrical Engineering,
University of North Dakota,
Grand Forks, ND 58202

Fartash Vasefi, Nicholas B. McKinnon

eTreat Medical Diagnostics, Inc.,
Vancouver, BC V6E 2E9, Canada

DOI: 10.1115/1.4033739Manuscript received March 1, 2016; final manuscript received March 17, 2016; published online August 1, 2016. Editor: William Durfee.

J. Med. Devices 10(3), 030955 (Aug 01, 2016) (2 pages) Paper No: MED-16-1082; doi: 10.1115/1.4033739 History: Received March 01, 2016; Revised March 17, 2016

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Wittoek, R. , Cruyssen, B. V. , and Verbruggen, G. , 2012, “ Predictors of Functional Impairment and Pain in Erosive Osteoarthritis of the Interphalangeal Joints,” Arthritis Rheum., 64(5), pp. 1430–1436. [CrossRef] [PubMed]
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Akhbardeh, F. , Vasefi, F. , Tavakolian, K. , Bradly, D. , and Fazel-Rezai, R. , 2015, “ Toward Development of Mobile Application for Hand Arthritis Screening,” 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Milan, Italy, Aug. 25–29, pp. 7075–7078.


Grahic Jump Location
Fig. 1

Smartphone fixture setup for hand image capture

Grahic Jump Location
Fig. 2

(a) RGB image and (b) segmented image using gradient magnitude method

Grahic Jump Location
Fig. 3

Total means error DIP and PIP joints for different angles




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