Image processing apparatus, image processing method, and computer-readable recording medium
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United States of America Patent
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Dec 31, 2013
Grant Date -
Mar 1, 2012
app pub date -
Aug 23, 2011
filing date -
Aug 24, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An image processing apparatus includes a gradient strength calculating unit that calculates a gradient strength of respective pixel values based on an intraluminal image; an extracting unit that extracts a closed region satisfying conditions that the pixel of which gradient strength is a predetermined value or more is not included in the region and a boundary of the region does not bend with a predetermined curvature or higher toward an inner side of the region; and a detecting unit that detects an abnormal portion inside the region. The extracting unit includes a setting unit that sets an initial shape of the region; an energy calculating unit that calculates values of types of energy including at least energies determined respectively by an outer shape of the region and the gradient strength; and an energy-weighted sum calculating unit that calculates a weighted sum of the types of energy.
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