This disclosure describes techniques to automatically determine the validity of a parking spot by using image recognition to recognize the parking sign and restrictions therein. With user permission, the text obtained from the parking sign is cross-referenced with contextual data such as the day of the week, the time of the day, the location of the parking sign, etc. to determine the validity of the parking spot. If the validity of the parking spot is confirmed, a countdown timer is started that triggers when the validity expires. A reminder pin for where the vehicle is parked is provided on a map.
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Dunn, Lachlan "Locke", "Automatically analyzing parking signs to determine the validity of a parking spot", Technical Disclosure Commons, (June 12, 2019)