Thank you for your replies.
I have roughly about 6 months to develop this UGV.
spycatcher2k:
WiFi #Video would have to be assigned to the camera as the Arduino cannot serve real time video unfortunately.
Do you mean no Arduino board can support video capturing by any means?
My idea of the UGV is just to transfer the camera/webcam imaging into my computer for surveillance purposes. No sort of video recording is involved. I have seen people uploading their project video related to Arduino integrating with a Wifi camera in Youtube.