The main contents covered by the thesis are the design and installation of the device for capturing light projected images, the extraction of the tangential projected profile of pilled fabric surface and the development of 3-D image of pilled fabric from the integration of sequential tangential projected profile, the algorithm and results of the image preprocessing .

This paper introduces a linear algorithm to recover 3D motion and structure between one perspective and one orthographic views from point correspondences.

Data hiding algorithm for binary images based on image partition;

The Edge Detection Method of Binary Image Based on Entropy Difference;

Boundary tracking algorithm of objects in binary image;