Model-based methods and apparatus for classifying an interferent in specimens

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United States of America Patent

PATENT NO 11009467
APP PUB NO 20180045654A1
SERIAL NO

15551562

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Abstract

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A model-based method of inspecting a specimen for presence of one or more interferent, such as Hemolysis, Icterus, and/or Lipemia (HI L) is provided. The method includes generating a pixelated image of the specimen in a first color space, determining color components (e.g., an a-value and a b-value) for pixels in the pixelated image, classifying of the pixels as being either liquid or non-liquid, defining one or more liquid regions based upon the pixels classified as liquid, and determining a presence of one or more interferent within the one or more liquid regions. The liquid classification is based upon a liquid classification model. Pixel classification may be based on a trained multiclass classifier. Interference level for the one or more interferent may be provided. Testing apparatus adapted to carry out the method are described, as are other aspects.

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Patent Owner(s)

  • SIEMENS HEALTHCARE DIAGNOSTICS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Yao-Jen Princeton, US 194 1196
Chen, Terrence Princeton, US 188 1619
Park, JinHyeong Princeton, US 6 19
Pollack, Benjamin Jersey City, US 17 274
Wu, Wen Kirkland, US 58 645

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