how to interface a cctv camera(ntsc) to a micro-controller?
lifehacker.com/how-to-get-by-without-a-college-degree-and-when-you-ne-1120356954
Perhaps you should be digging through back issues of Elektor, Electronics and Wireless World, Circuit Cellar from the 1980-2000 era.
You could also assume it's 2014 and find more effective methods using CMOS CCD Cameras? And use something with a built in Digital Camera Interface, and not use an 8051?
Lots of hobbyists go for a Raspberry Pi with a camera module. And enough power to do some fun stuff with the captured video data.