Image Processing and Pattern Recognition ebooks

Since I am a doing a project on Iris Recognition,which is broadly in the area of Image Processing and Pattern Recognition,I had to come across some of the books and here I am providing the links to these books:
1)http://rapidshare.com/files/451311608/cips2ed.pdf
2)http://rapidshare.com/files/451312737/Introduction_to_Pattern_Recognition_A_Matlab_Approach.pdf
3)http://rapidshare.com/files/451314109/Digital_Image_Processing.djvu
4)http://rapidshare.com/files/451314161/Digital_Image_Processing_Using_Matlab_-_Gonzalez_Woods___Eddins.pdf
5)http://rapidshare.com/files/451315426/Feature_Extraction___Image_Processing.pdf