Patent ID: 9648304
Date: 2017-05-09
CPC Classifications: G01C,H04N

Claim:
1. An image pickup method; comprising: moving while photographing a moving image of an object to be measured; extracting characteristic points from a first image acquired; performing image tracking on said characteristic points; identifying said characteristic points from a newest second image; selecting an orientation point from said characteristic points; executing relative orientation between said first image and said second image based on said orientation point; displaying photographing condition of said object to be measured on a display unit in real time and display said orientation points in different colors or by flashing display at a moment when a value of B/H reaches a predetermined value or higher, wherein H is a distance to said object to be measured thus obtained and B is a distance between photographing points where said first image and said second image have been photographed and said B/H value is calculated while moving.