{T}owards {M}ulti-{D}irectional {OCT} for {S}peckle {N}oise {R}eduction

Type of publication:  Artikel in einem Konferenzbericht
Buchtitel: MICCAI 2008, Part II
Band: 5241
Jahr: 2008
Monat: September
Seiten: 815--823
Notiz: OCT-based Neuro-Imaging
Querverweis: miccai08
DOI: 10.1007/978-3-540-85988-8
Abriss: Multi-directional optical coherence tomography (MD-OCT) applies and extends the concept of angular compounding for speckle noise reduction to the area of OCT imaging. OCT images are acquired from a wide range of angles of view. Averaging of the rotated images therefore requires compensation of the parallax which is achieved by simple image registration for image reconstruction. Test measurements of a sample structure in a low and highly scattering environment show that the method improves the signal-to-noise ratio by a factor of 4 and hence reduces speckle noise significantly. Experimental results also show that the proposed averaging increases the performance of common edgedetection algorithms.
Nutzerfelder: file={rmmb_08.pdf:rmmb_08.pdf:}
Autoren: Ramrath, Lukas
Moreno, G.
Mueller, Heike
Bonin, Tim
Hüttmann, Gereon
Schweikard, Achim