초록 ▼

A method of determining pressure requires that a three dimensional surface of an object (14) be covered with a pressure sensitive coating. Next a raw first image (74) is acquired while the object (14) is not under test and a raw second image (74) is acquired while the object is under test. The raw f

A method of determining pressure requires that a three dimensional surface of an object (14) be covered with a pressure sensitive coating. Next a raw first image (74) is acquired while the object (14) is not under test and a raw second image (74) is acquired while the object is under test. The raw first image (74) and the raw second image (74) are adjusted for a dark image (76) to form an adjusted first image and an adjusted second image. The adjusted first image and the adjusted second image are mapped (78) from a two dimensional representation onto a three dimensional model, to form a first model and a second model. A ratio model is formed (80) by taking the ratio of the intensity of the first model and the second model. Finally, a pressure is determined (84) for every surface that forms the three dimensional model.

대표청구항 ▼

[ What is claimed is:] [1.] A method of determining pressure, comprising the steps of:(a) covering a three dimensional surface with a pressure sensitive coating;(b) acquiring a raw no pressure image and a raw pressure image of the three dimensional surface;(c) adjusting the raw no pressure image and

[ What is claimed is:] [1.] A method of determining pressure, comprising the steps of:(a) covering a three dimensional surface with a pressure sensitive coating;(b) acquiring a raw no pressure image and a raw pressure image of the three dimensional surface;(c) adjusting the raw no pressure image and the raw pressure image for a dark image, a variation in pixel efficiency and an exposure time to form an adjusted no pressure image and an adjusted pressure image;(d) correcting the adjusted no pressure image and the adjusted pressure image for a spherical aberration, to form a conditioned no pressure image and a conditioned pressure image;(e) determining a location of a plurality of targets for the conditioned no pressure image and the conditioned pressure image;(f) mapping the conditioned no pressure image and the conditioned pressure image from a two dimensional surface to a three dimensional model of the three dimensional surface, to form a three dimensional no pressure model and a three dimensional pressure model;(g) determining a ratio intensity for each of a plurality of surfaces forming the three dimensional model from the three dimensional no pressure model and the three dimensional pressure model to form a ratio image; and(h) determining a pressure for each of the plurality of surfaces in the ratio image.