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Pixel (x/y) to latitude & longitude conversion on a given image

This project received 11 bids from talented freelancers with an average bid price of $347 USD.

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Project Budget
$30 - $250 USD
Total Bids
11
Project Description

I need a PHP function that returns latitude & longitude for a given point (x/y) within a picture.
Unfortunately the image is not a flat image and taken from a specific angle/height. (see attached file)

Two possible soloutions:

1) calculate any long/lat based on all needed camera paramteres (lat/long from the point of view, [url removed, login to view],vertical angle,height etc.)
2) estimate any long/lat based on already defined points within the image. The estimation should be accurate if about 20 points are already defined and should increase in accuracy the more points are defined.

Please offer at least one of both soloutions and shortly describe your plan how to solve this.

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