Patent ID: 8803943

Claim:
A formation apparatus using digital image correlation, comprising a bearing unit, said bearing unit comprising a base; and a measuring track, said measuring track being bonded with said base; a plurality of adjusting units, said adjusting units comprising at least a first adjusting unit, a second adjusting unit and a third adjusting unit, said adjusting units being movably set on said measuring track; an image taking unit, said image taking unit comprising at least a first camera, said first camera being set on said first adjusting unit; a second camera, said second camera being set on said second adjusting unit; and a third camera, said third camera being set on said third adjusting unit, wherein at least said first camera, said second camera and said third camera use at least a first calibrating point and a second calibrating point as reference points to process measurement; a calibration plate, said calibration plate being set on a plane of optical axes of said first camera, said second camera and said third camera; and a processing unit, said processing unit being connected with at least said first camera, said second camera and said third camera, wherein said processing unit has a digital image formation computing module to analyze digital image data obtained from at least said first camera, said second camera and said third camera.