Computerized analysis of interstitial infiltrates on chest radiographs

A new scheme based on geometric pattern features and fourier analysis

Laurence Monnier-Cholley, Heber MacMahon, Shigehiko Katsuragawa, Junji Morishita, Kunio Doi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Rationale and Objectives.: Detection of interstitial infiltrates on chest radiographs is difficult and subjective. Therefore, we developed a computerized method to provide quantitative analysis of lung texture to increase diagnostic accuracy. Methods.: Two hundred chest radiographs-100 healthy and 100 abnormal with interstitial infiltrates-were digitized using a laser scanner. They were analyzed by an automated computerized scheme that uses a combination of two methods for detection of interstitial infiltrates: a lung texture analysis based on the Fourier transform and a geometric pattern feature analysis based on filtering techniques. Results.: The overall sensitivity and specificity of the computerized scheme were 92% and 90%, respectively. The scheme achieved a sensitivity of 80% in subtle cases (n = 15) and 88% in cases with localized interstitial disease (n = 26), whereas the specificity remained unchanged. There was good correlation between the computer output and the radiologists' severity rating. Conclusion.: This enhanced computerized scheme exhibits high sensitivity and specificity with a large database.

Original languageEnglish
Pages (from-to)455-462
Number of pages8
JournalAcademic Radiology
Volume2
Issue number6
DOIs
Publication statusPublished - Jan 1 1995
Externally publishedYes

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Fourier Analysis
Thorax
Sensitivity and Specificity
Lung
Lasers
Databases

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

Cite this

Computerized analysis of interstitial infiltrates on chest radiographs : A new scheme based on geometric pattern features and fourier analysis. / Monnier-Cholley, Laurence; MacMahon, Heber; Katsuragawa, Shigehiko; Morishita, Junji; Doi, Kunio.

In: Academic Radiology, Vol. 2, No. 6, 01.01.1995, p. 455-462.

Research output: Contribution to journalArticle

Monnier-Cholley, Laurence ; MacMahon, Heber ; Katsuragawa, Shigehiko ; Morishita, Junji ; Doi, Kunio. / Computerized analysis of interstitial infiltrates on chest radiographs : A new scheme based on geometric pattern features and fourier analysis. In: Academic Radiology. 1995 ; Vol. 2, No. 6. pp. 455-462.
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