Patent ID: 6141439
Filing Date: 2000-10-31
Classification: G06T,H04N

Abstract:
An apparatus for image measurement comprising:a data setting portion for taking up one of a pair of stereoscopic images as a reference image and the other as a searched image and establishing a reference data block having a first magnification in said reference image and a searched data block having a second magnification in said searched image, wherein the pair of the stereoscopic images are taken in different angles;a correspondence determining portion for determining correspondence between said reference data block and said searched data block;a data magnification changing portion for changing the first magnification of image of the data in said reference data block according to the second magnification of image of the data in said searched data block when there is a difference between the first and second magnifications whereby the first and second magnifications become virtually equal; andan image measuring portion for performing image measurement according to an output of said correspondence determining portion;wherein said correspondence determining portion determines the correspondence by using said reference data block, of which the first magnification of image of the data is changed in said magnification changing portion, and said searched data block.