Computer aided detection of pulmonary embolism with tobogganing and mutiple instance classification in CT pulmonary angiography

Liang Jianming, Bi Jinbo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Scopus citations

Abstract

Pulmonary embolism (PE) is a very serious condition causing sudden death in about one-third of the cases. Treatment with anti-clotting medications is highly effective but not without complications, while diagnosis has been missed in about 70% of the cases. A major clinical challenge, particularly in an Emergency Room, is to quickly and correctly diagnose patients with PE and then send them on to therapy. Computed tomographic pulmonary angiography (CTPA) has recently emerged as an accurate diagnostic tool for PE, but each CTPA study contains hundreds of CT slices. The accuracy and efficiency of interpreting such a large image data set is complicated by various PE look-alikes and also limited by human factors, such as attention span and eye fatigue. In response to this challenge, in this paper, we present a fast yet effective approach for computer aided detection of pulmonary embolism in CTPA. Our proposed approach is capable of detecting both acute and chronic pulmonary emboli with a distinguished feature of incrementally reporting any detection immediately once becoming available during searching, offering real-time support and achieving 80% sensitivity at 4 false positives. This superior performance is contributed to our novel algorithms (concentration oriented tobogganing and multiple instance classification) introduced in this paper for candidate detection and false positive reduction.

Original languageEnglish (US)
Title of host publicationInformation Processing in Medical lmaging - 20th International Conference, IPMI 2007, Proceedings
Pages630-641
Number of pages12
StatePublished - Dec 1 2007
Externally publishedYes
Event20th International Conference on Information Processing in Medical lmaging, IPMI 2007 - Kerkrade, Netherlands
Duration: Jul 2 2007Jul 6 2007

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume4584 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Other

Other20th International Conference on Information Processing in Medical lmaging, IPMI 2007
CountryNetherlands
CityKerkrade
Period7/2/077/6/07

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Computer Science(all)

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    Jianming, L., & Jinbo, B. (2007). Computer aided detection of pulmonary embolism with tobogganing and mutiple instance classification in CT pulmonary angiography. In Information Processing in Medical lmaging - 20th International Conference, IPMI 2007, Proceedings (pp. 630-641). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 4584 LNCS).