Photo identification 

Photo identification is generally used to define any form of identity document that includes a photograph of the holder.

Some countries use a government issued card as a proof of age or citizenship.

Types of photo ID cards include:

Alternatively, photo-identification can also refer to a technique used in wildlife mark-recapture studies to identify and track individuals of a study population over time. Photo-identification is generally used as an alternative to other, invasive methods of tagging that require attaching a device to each individual.

Online wildlife photo-identification efforts include:

Worldwide passport photo requirements

Though the requirements for making passport photos vary around the world, they allcitation needed adhere to a few basic requirements:

  1. Front-facing photo of the subject
  2. Clear focus of the subject and visibility of the eyes and both ears
  3. No-smiling. A new regulation for all countries implementing biometrics measurescitation needed

Examples of specific requirements include:

Do it yourself passport photos alternatives

There are a number of solutions for people who would like to make their own passport or identification photos:

  1. Using software packages like Photoshop
  2. Online passport photo services, some of which allow you to create passport photos for free (such as ePassportPhoto.com)

See also