1. An endoscope apparatus comprising: an endoscope for picking up images from different visual points; an image generating portion for generating an endoscope image from a picked-up image signal picked up by the endoscope; an image recording/reproducing portion for recording on a recording portion a still image, as a recorded image, obtained by freeze-framing the endoscope image as well as reading out the recording portion from the recording portion; an original image recording portion for temporarily recording the still image or the recorded image as an original image; an image correcting portion for performing image correction on the still image or the recorded image; a measurement point designating portion for designating a stereo measurement point on a corrected image on which image correction has been performed by the image correcting portion; and a stereo measurement portion for calculating a corresponding measurement point on the original image, which corresponds to the stereo measurement point on the corrected image, and performing stereo measurement using the corresponding measurement point of the original image.