Texture-Energy-Analysis-Based Image Recognition Algorithm for Identifying the Early Stage Tumor

A new algorithm (image registration and texture energy analysis - ITEAR), which can accurately identify the early stage tumor in CT images, is developed in this paper. The ITEAR algorithm aligns the corresponding PET and CT images by the mutual information registration method and applies the adaptive threshold segmentation algorithm to segmenting the region of interest (ROI) in PET images. Then, the texture energy measurement method and edge detection processes are implemented to locate the accurate position of the early stage tumor and extract its edge. It has been proved by experiments that the ITEAR algorithm can be used to accurately locate the early stage tumor in any part of human body.