Image analysis – Image transformation or preprocessing – Selecting a portion of an image
Reexamination Certificate
2005-06-07
2005-06-07
Couso, Yon J. (Department: 2625)
Image analysis
Image transformation or preprocessing
Selecting a portion of an image
C382S132000
Reexamination Certificate
active
06904181
ABSTRACT:
An image processing apparatus which can always accurately extract, from a photographed image, an optimum feature quantity to be used for image processing is provided. In the apparatus, a limitation unit limits a predetermined area to extract the feature quantity in a lung area of an image (lung image obtained by radiographing). For example, as the predetermined area, the limitation unit limits an area obtained by dividing the lung area in a predetermined ratio, an area extending from 1/4 to 1/2 from a head side of a maximum-length vertical axis of the lung area, or an area within a predetermined-length range from the upside of the lung area. An extraction unit extracts a feature quantity (maximum pixel value) from the predetermined area.
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Ikeda Tatsuji
Shinbata Hiroyuki
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