All entrants must be 18 years or older and a Maryland resident.  Those younger may participate with a consenting guardian acting as their agent.

  • Photos must be taken in 2010 , within the state of Maryland.
  • Photos must be provided in digital format: .jpg files less than 3MB each.
  • A working e-mail address is necessary for submission and notifications.


All photo entries become the property of the State of Maryland and may be used for promotional and cataloguing purposes.

Photos must be submitted by the original photographer. Do not submit a photo taken by someone other than yourself. You must be the sole owner of the copyright of any image submitted. Your submission of the photo is the guarantee that you are the author and copyright holder of the photo. If the photo contains identifiable persons, it is the responsibility of the photographer to acquire, and grant to the State, any and all permissions.

Bayesian Rating Used for Calculating Votes

Bayesian Rating is using the Bayesian Average. This is a mathematical term that calculates a rating of an item based on the “believability” of the votes. The greater the certainty based on the number of votes, the more the Bayesian rating approximates the plain, unweighted rating. When there are very few votes, the bayesian rating of an item will be closer to the average rating of all items.

Here is the formula that is used:

br = ( (avg_num_votes * avg_rating) + (this_num_votes * this_rating) ) / (avg_num_votes + this_num_votes)


avg_num_votes: The average number of votes of all items that have num_votes>0
avg_rating: The average rating of each item (again, of those that have num_votes>0)
this_num_votes: number of votes for this item
this_rating: the rating of this item

Note: avg_num_votes is used as the “magic” weight in this formula. The higher this value, the more votes it takes to influence the bayesian rating value.

Additional Terms and Conditions

The rules, terms and conditions are subject to change without prior notice.  The State of Maryland will make every effort to publish all photos submitted but reserves the right to exclude inappropriate, questionable or unrecognizable subjects without notice.

By submitting your photo, you agree to these rules.

For questions, please email servicedesk@doit.state.md.us.