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Sure. Eyes are reflective. But resolution is limited. If you are so sure it's "obvious" you can extract recognisable faces from reflections on photographs con

Sure. Eyes are reflective. But resolution is limited. If you are so sure it's "obvious" you can extract recognisable faces from reflections on photographs containing eyes - show me you can do it using any photo containing a headshot you can find on Google Images or Flickr... Or even any staged photo you have or can take - showing enough resolution from a headshot that you can extract recognisable faces from eye reflections. I have a 12 megapixel camera in my phone - and I'm not convinced I could reliably take a photo of someone's face with enough resolution to pick to recognisable detail in a reflected face in an eyeball...

jesterjester 8y ago
Resolution is limited.... to the camera that takes the photo. Yes. You won't get information from something that doesn't have information. Are you going to write a paper that 100 < 1000 ? I wouldn't, but I guess I'm some genius or something. You can't, because the information isn't there. The same way you can't read a book that is closed, even with a super computer.
- posterboy 8y ago
  Wait a second, if it all relies on the camera, sure you can't read a book with your natural camera - your eyes - alone. But with xray for lead based ink for example, book scanning would be well awesome.
romwell 8y ago
>I have a 12 megapixel camera in my phone I am sorry, but megapixels do not a good camera make. My Fuji X100 (35mm prime) and Nikon D200 (50mm prime), the latter from over a decade ago, both easily produce clear pictures in eye reflections when the light is good. That said -- have you actually tried? I just took a selfie with my MotoG5s front camera, and I can see a face from my FB feed reflected in my eye. And that's in crappy office lighting, from a screen with brightness turned down to minimize strain! >Or even any staged photo you have or can take To re-iterate: it is ridiculously easy to take such a photo with a real camera with decent lens. Modern cell phone cameras are capable as well if the light is good. Here's a non-attempt: just a crop from the selfie I took https://imgur.com/ax9Vz5B https://imgur.com/ax9Vz5B

jesterjester 8y ago

Resolution is limited.... to the camera that takes the photo. Yes. You won't get information from something that doesn't have information. Are you going to write a paper that 100 < 1000 ? I wouldn't, but I guess I'm some genius or something. You can't, because the information isn't there. The same way you can't read a book that is closed, even with a super computer.

posterboy 8y ago
Wait a second, if it all relies on the camera, sure you can't read a book with your natural camera - your eyes - alone. But with xray for lead based ink for example, book scanning would be well awesome.

romwell 8y ago

>I have a 12 megapixel camera in my phone I am sorry, but megapixels do not a good camera make. My Fuji X100 (35mm prime) and Nikon D200 (50mm prime), the latter from over a decade ago, both easily produce clear pictures in eye reflections when the light is good. That said -- have you actually tried? I just took a selfie with my MotoG5s front camera, and I can see a face from my FB feed reflected in my eye. And that's in crappy office lighting, from a screen with brightness turned down to minimize strain! >Or even any staged photo you have or can take To re-iterate: it is ridiculously easy to take such a photo with a real camera with decent lens. Modern cell phone cameras are capable as well if the light is good. Here's a non-attempt: just a crop from the selfie I took https://imgur.com/ax9Vz5B https://imgur.com/ax9Vz5B