In order to eliminate the measurement error caused by camera rotator during moving along the axial

a suit of high precision camera moving estimate algorithms based on character points image matching and least-squares estimate. Recur to the correlation of sequence image frame

and by analyzing the moving parameter of two continuous image frames

in the algorithms the character points on image are detected by Harris operator in the first; then match the character points based on image template in sequence frames; and moving parameters of the camera are obtained through least-squares algorithm last. By analyzing those parameters farther

the coordinate that laser spot relative to target center has been compensated

as a result

realization camera rotation compensated. Because the influence to image measurement precision by camera moving is overcome

the vice of low measurement precision on account of camera moving is remedied

and the measurement precision is heighten. The results of test and simulation show that the algorithms are effective and applied

but the real-time capability of the algorithms will still be improved.