A hand-held optical coherence tomography angiography scanner based on angiography reconstruction transformer networks.
J Biophotonics
; 16(9): e202300100, 2023 09.
Article
de En
| MEDLINE
| ID: mdl-37264544
ABSTRACT
Optical coherence tomography angiography (OCTA) has successfully demonstrated its viability for clinical applications in dermatology. Due to the high optical scattering property of skin, extracting high-quality OCTA images from skin tissues requires at least six-repeated scans. While the motion artifacts from the patient and the free hand-held probe can lead to a low-quality OCTA image. Our deep-learning-based scan pipeline enables fast and high-quality OCTA imaging with 0.3-s data acquisition. We utilize a fast scanning protocol with a 60 µm/pixel spatial interval rate and introduce angiography-reconstruction-transformer (ART) for 4× super-resolution of low transverse resolution OCTA images. The ART outperforms state-of-the-art networks in OCTA image super-resolution and provides a lighter network size. ART can restore microvessels while reducing the processing time by 85%, and maintaining improvements in structural similarity and peak-signal-to-noise ratio. This study represents that ART can achieve fast and flexible skin OCTA imaging while maintaining image quality.
Mots clés
Texte intégral:
1
Collection:
01-internacional
Base de données:
MEDLINE
Sujet principal:
Angiographie
/
Tomographie par cohérence optique
Type d'étude:
Guideline
Limites:
Humans
Langue:
En
Journal:
J Biophotonics
Sujet du journal:
BIOFISICA
Année:
2023
Type de document:
Article
Pays d'affiliation:
Royaume-Uni