A sputum smear microscopy image database for automatic bacilli detection in conventional microscopy.

EMBC(2014)

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摘要
In this work, we present an image database for automatic bacilli detection in sputum smear microscopy. The database comprises two parts. The first one, called the autofocus database, contains 1200 images with resolution of 2816 × 2112 pixels. This database was obtained from 12 slides, with 10 fields per slide. Each stack is composed of 10 images, with the fifth image in focus. The second one, called the segmentation and classification database, contains 120 images with resolution of 2816×2112 pixels. This database was obtained from 12 slices, with 10 fields per slice. In both databases, the images were acquired from fields of slides stained with the standard Kinyoun method. In both databases, accordingly to the background content, the images were classified as belonging to high background content or low background content. In all 120 images of segmentation and classification database, the identified objects were enclosed within a geometric shape by a trained technician. A true bacillus was enclosed in a circle. An agglomerated bacillus was enclosed by a rectangle and a doubtful bacillus (the image focus or geometry does not allow a clear identification of the object) was enclosed by a polygon. These marked objects could be used as a gold standard to calculate the accuracy, sensitivity and specificity of bacilli recognition.
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关键词
standard kinyoun method,conventional microscopy,automatic bacilli detection,classification database,image fusion,biomedical optical imaging,microscopy,image resolution,microorganisms,image segmentation,bacilli,geometric shape,agglomerated bacillus,optical microscopy,focus,bacilli recognition,image classification,segmentation database,image acquisition,detection,sputum smear microscopy image database,autofocus database,image database,doubtful bacillus,medical image processing
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