Defects Location Method of CT Image Based on Similarity Transformation

In order to locate the defects in CT image simply and effectively,a new method base similarity transformation was put forward. The defect location of CT image is got by the method on basis of similarity transformation properties put forward and proved.The effectiveness and accuracy of the method turned out by was put forward.The defect location of CT image is go analysis on location result.The feasibility of artificial template is drawn from comparison between different location results got by different templates.