Digital Imaging (was: Re: Chisolm)

It seems to me that it would be fun if our pictures of classic hardware were themselves produced by a classic machine. And yes, there were image processing systems 10 - 15 years ago, some of which _occassionally_ turn up second-hand. I2S had a TV-rate ADC card for their image processing systems. It would take the output from a monochrome video camera with a few mods, and let you store images in the machine's RAM, and hence on disk. If you want colour, either add another 2 cards, or use filters to take separate R,G,B images with a monochrome camera (the subject is static, of course), and combine them later. Mind you, the cost of a 2nd-hand I2S processor + camera + interface electronics would almost certainly exceed the cost of a QuickCam or whatever. There are also 'classic' CCD cameras. There was a thing made by 'Datacopy' that had a linear CCD that was mechanically scanned across the frame (motor + leadscrew). There was certainly a PERQ interface for this (made by GHS/Audre' in Canada), and I guess others as well. These solutions sound a lot more fun than a modern PC-based system. -- -tony ard12(a)eng.cam.ac.uk The gates in my computer are AND,OR and NOT, not Bill