See in order to develop the system of robet using image processing .... you need to learn more on image processing fundamental and then object reconginization models....Matlab is used in PC for image analysis ....so in the embeeded system u want to have a system with image processing better meke some prtatice of matrix handeling in C .....will be help ful also us need to know the image transfer protocol ( like PTP) and their implementation in Micro-controller....Matworks web site is good for Matlab and there is good help provided on the web....u can try some of the commands like imread and imashow initially to work with matlab....