A three-dimensional detector based on focal loss for pulmonary nodules detection

Lei Wang, Yaping Dai*, Zhiyang Jia, Yongkang Nie, Liang Liu

*Corresponding author for this work

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

Abstract

The problem of class imbalance exists in detecting the pulmonary nodules from Computed Tomography (CT) by means of convolutional neural network. A Three-Dimensional Detector Based on Focal Loss (FLTDD) is designed in this paper to ensure that the pulmonary nodules in CT could be identified more exactly. Its framework focuses more on samples that are difficult to be classified. Besides, three dimensional detector contains richer spatial information and gets more distinguishing features. The experiment results obtained from LIDC-IDRI data set show that the average sensitivity score of FLTDD achieves 89.62%. It has a 1.47% improvement compared with the published CASED method.

Original languageEnglish
Title of host publicationProceedings of the 38th Chinese Control Conference, CCC 2019
EditorsMinyue Fu, Jian Sun
PublisherIEEE Computer Society
Pages8445-8449
Number of pages5
ISBN (Electronic)9789881563972
DOIs
Publication statusPublished - Jul 2019
Event38th Chinese Control Conference, CCC 2019 - Guangzhou, China
Duration: 27 Jul 201930 Jul 2019

Publication series

NameChinese Control Conference, CCC
Volume2019-July
ISSN (Print)1934-1768
ISSN (Electronic)2161-2927

Conference

Conference38th Chinese Control Conference, CCC 2019
Country/TerritoryChina
CityGuangzhou
Period27/07/1930/07/19

Keywords

  • 3D Convolutional Neural Network
  • Class Imbalance
  • Focal Loss
  • Pulmonary Nodule Detection

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