KachowVision

Bolivian license plate scanner using OpenCV and OCR.

Features

• License Number Detection: Extracts the license plate automaticaly and in less than 1 second it recognizes the plaque.
• Vehicle Type Classification: Identifies the vehicle type using the license plate color.
  • Electric: Blue background (vehicle_type: "electric", is_electric: true)
  • Flex-Fuel: Green background (vehicle_type: "flexfuel", is_electric: false)
  • Combustion: White/metallic background (vehicle_type: "combustion", is_electric: false)
• Department Origin Detection: Detects the cars department using the letter on the top right side.

Installation

pip install kachowvision

Usage

Terminal

kachowvision path/to/license-plate.jpg

Output:

{
  "license_number": "5463GBG",
  "vehicle_type": "combustion",
  "is_electric": false,
  "department_letter": "S",
  "department_name": "Santa Cruz",
  "analysis_time_seconds": 0.8421
}

The license_number field shows the image license plate number. The vehicle_type field shows the vehicle type(electric,flex,combustion) The is_electric field shows if the vehicle is electric. The department_letter field shows the department letter on the top right of the screen The department_name field shows the department name using the department name The analysis_time_seconds field shows how long the image analysis took

Python

from kachowvision import analyze_plate

result = analyze_plate("path/to/license-plate.jpg")
print(result)

For development from a checkout, install the project in editable mode:

pip install -e .

The sample images in testingimages/ are included in the repository for development and testing; they are not required when using the installed package.

Testing

python3 testing.py