Image processing device, image processing method, and three-dimensional shape measuring device
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United States of America
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Dec 3, 2024
Grant Date -
Aug 24, 2023
app pub date -
Feb 17, 2023
filing date -
Feb 17, 2023
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Abstract
An image processing device acquires a plurality of images of an object to be measured by an imaging device, the plurality of images being taken while varying a focal position, and corrects blurring in the acquired plurality of images based on a point spread function for each focal position of an image forming optical system in the imaging device. The image processing device also calculates, for the plurality of images after correction of the blurring, an evaluation value for a focusing degree for each pixel, and generates three-dimensional shape data of the object to be measured based on the calculated evaluation value for the focusing degree for each pixel.
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