Enhanced stereo visualisation of low-contrast microtissues by means of image processing and HMD technology

Tomasz Kucharski; Malgorzata Kujawinska; Marcin Lesniewski; Kazimierz Niemczyk; Andrzej Bruzgielewicz

doi:10.1117/12.545566

10 September 2004 Enhanced stereo visualisation of low-contrast microtissues by means of image processing and HMD technology

Tomasz Kucharski, Malgorzata Kujawinska, Marcin Lesniewski, Kazimierz Niemczyk, Andrzej Bruzgielewicz

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Proceedings Volume 5462, Biophotonics Micro- and Nano-Imaging; (2004) https://doi.org/10.1117/12.545566
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

Recently medical visualization systems require extensive support from stereo imaging technologies in order to increase effectiveness of recognitions of low contrast micro biological structures. Low image contrast prevents identifications of tissues and in many cases is a reason of forbear from operation. In this paper authors present a system consisting of stereoscopic microscope with two image acquisition channels, data processing unit and Helmet Mounted Display (HMD) for stereoscopic visualization of operational field. Special attention is paid to the development of automatic image segmentation and low contrast areas enhancement algorithms. Algorithms proposed automatically find regions characterized by low contrast, modify intensity distribution and display enhanced stereo images in real time. The conditions of images processing and manipulation in order to assure synchronization of images transfer in both visual channels are presented. The algorithms are optimized for stereo visualization of biological micro-structures of inner ear. Some of those structures have quasi-phase nature and are almost invisible by human eye. The tests performed at the images captured during operation have been positively evaluated by surgeons. The performance of the system presented ascertained that quality of inner ear processed images guaranties safety carrying of operations not undertaken so far.

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Tomasz Kucharski, Malgorzata Kujawinska, Marcin Lesniewski, Kazimierz Niemczyk, and Andrzej Bruzgielewicz "Enhanced stereo visualisation of low-contrast microtissues by means of image processing and HMD technology", Proc. SPIE 5462, Biophotonics Micro- and Nano-Imaging, (10 September 2004); https://doi.org/10.1117/12.545566

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KEYWORDS

Image processing

Ear

Surgery

Head-mounted displays

Visualization

Microscopes

Tissues

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