Y-Net: A Spatiospectral Dual-Encoder Network for Medical Image Segmentation

Azade Farshad*, Yousef Yeganeh, Peter Gehlbach, Nassir Navab

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

63 Citations (Scopus)

Abstract

Automated segmentation of retinal optical coherence tomography (OCT) images has become an important recent direction in machine learning for medical applications. We hypothesize that the anatomic structure of layers and their high-frequency variation in OCT images make retinal OCT a fitting choice for extracting spectral domain features and combining them with spatial domain features. In this work, we present Y-Net, an architecture that combines the frequency domain features with the image domain to improve the segmentation performance of OCT images. The results of this work demonstrate that the introduction of two branches, one for spectral and one for spatial domain features, brings very significant improvement in fluid segmentation performance and allows outperformance as compared to the well-known U-Net model. Our improvement was 13 % on the fluid segmentation dice score and 1.9 % on the average dice score. Finally, removing selected frequency ranges in the spectral domain demonstrates the impact of these features on the fluid segmentation outperformance. Code: github.com/azadef/ynet

Original languageEnglish
Title of host publicationMedical Image Computing and Computer Assisted Intervention – MICCAI 2022 - 25th International Conference, Proceedings
EditorsLinwei Wang, Qi Dou, P. Thomas Fletcher, Stefanie Speidel, Shuo Li
PublisherSpringer
Pages582-592
Number of pages11
ISBN (Print)9783031164330
DOIs
Publication statusPublished - 2022
MoE publication typeA4 Conference publication
EventInternational Conference on Medical Image Computing and Computer-Assisted Intervention - Singapore, Singapore
Duration: 18 Sept 202222 Sept 2022
Conference number: 25

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume13432 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

ConferenceInternational Conference on Medical Image Computing and Computer-Assisted Intervention
Abbreviated titleMICCAI
Country/TerritorySingapore
CitySingapore
Period18/09/202222/09/2022

Keywords

  • Frequency domain in OCT
  • OCT segmentation
  • U-Net

Fingerprint

Dive into the research topics of 'Y-Net: A Spatiospectral Dual-Encoder Network for Medical Image Segmentation'. Together they form a unique fingerprint.

Cite this