Image-based computer-assisted diagnosis system for benign paroxysmal positional vertigo

Satoru Kohigashi; Koji Nakamae; Hiromu Fujioka

doi:10.1117/12.595017

6 April 2005 Image-based computer-assisted diagnosis system for benign paroxysmal positional vertigo

Satoru Kohigashi, Koji Nakamae, Hiromu Fujioka

Proceedings Volume 5749, Medical Imaging 2005: Image Perception, Observer Performance, and Technology Assessment; (2005) https://doi.org/10.1117/12.595017
Event: Medical Imaging, 2005, San Diego, California, United States

Abstract

We develop the image based computer assisted diagnosis system for benign paroxysmal positional vertigo (BPPV) that consists of the balance control system simulator, the 3D eye movement simulator, and the extraction method of nystagmus response directly from an eye movement image sequence. In the system, the causes and conditions of BPPV are estimated by searching the database for record matching with the nystagmus response for the observed eye image sequence of the patient with BPPV. The database includes the nystagmus responses for simulated eye movement sequences. The eye movement velocity is obtained by using the balance control system simulator that allows us to simulate BPPV under various conditions such as canalithiasis, cupulolithiasis, number of otoconia, otoconium size, and so on. Then the eye movement image sequence is displayed on the CRT by the 3D eye movement simulator. The nystagmus responses are extracted from the image sequence by the proposed method and are stored in the database. In order to enhance the diagnosis accuracy, the nystagmus response for a newly simulated sequence is matched with that for the observed sequence. From the matched simulation conditions, the causes and conditions of BPPV are estimated. We apply our image based computer assisted diagnosis system to two real eye movement image sequences for patients with BPPV to show its validity.

Citation Download Citation

Satoru Kohigashi, Koji Nakamae, and Hiromu Fujioka "Image-based computer-assisted diagnosis system for benign paroxysmal positional vertigo", Proc. SPIE 5749, Medical Imaging 2005: Image Perception, Observer Performance, and Technology Assessment, (6 April 2005); https://doi.org/10.1117/12.595017

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KEYWORDS

Eye

Computing systems

Computer simulations

3D image processing

Control systems

Head

Vestibular system

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