There is not a simple one-line equation (more like an army of equations), but there are still equations that raw image data (numbers) are inputted into to generate image classifications as the output.
The input data are highly multivariate and can include data from multiple sensors and sensor types.
Did you try
- a search “multi-label image classifier”?
- look at this page sensor fusion article
or any similar pages?
Here’s some formulas and a neural network: