Input Requirements

Input data for CARS API subsystem are images. Image requirements are shown in Table 1.

Table 1. Image requirements

Parameter	Requirements
Image resolution	- Detection of vehicles: from 100x100 px to 1920x1080 px
	- Detection of LPs: from 20x100 px to 105x512px
	- LP attribute recognition: from 50x250 to 1920x1080 px
	- Recognition of vehicle attributes: from 100x100 to 1920x1080 px
	Maximum file size
Image color	Color or black and white image
Image format	JPEG or PNG encoded in Base64 without EXIF tags
Image composition	- Vehicle and LP must be fully visible (not blocked by other objects)
	- When recognizing vehicle attributes, the image should not contain more than one vehicle
	- LP should occupy the entire area of the image when only LP attributes are recognized