Research on composite autofocus algorithm for detection system of pipeline robot

Abstract

For the problem of the delay of autofocus, fuzzy image and the error of motor control in the traditional pipeline detection system (PDS), a new kind of PDS with voice-coil-motor drive is introduced in this paper. It adapts two-stage composite algorithm based on the deviations function and the wavelet transform, and uses the improved mountain-climbing-search-strategy. Finally complete the simulation of algorithm by MATLAB, test image processing through the platform of VC++6.0 and achieve the ideal effect of focus.