I have a challenge to to consider about camera selection and I'm looking for the consultant from professionals:
I'm going to build a camera system to capture iris of moving people from a distance of 5m. Captured iris will be analyzed and recognized to authenticate the identity of subjects.
Requirement for iris camera is a 180pixels over the iris region, this number of pixel is required for possibility to analyzed and recognized the identity of subjects. I know that to capture that number of pixel at a distance of 5m, the camera should have very narrow Field of View to focus on iris region only and fast shutter to avoid motion blur when capturing small iris region. In addition, the lens need to be long (about 300mm).
The problem is the same for face. I also want to capture face of moving people from a distance of 30m.
I have two questions:
1. Could you advise me which cameras, lens to use?
2. About lighting, I have read something on using IR, NIR illuminators. What is the difference among those illuminators? In my case, which type of illuminator is suitable?