1. A method for adjusting a classifier and processing an image of a microfluidic device, the method comprising: receiving a first image of a microfluidic device, the first image being associated with at least a first predetermined characteristic; generating a first plurality of features based on at least information associated with the first image; selecting a second plurality of features from the first plurality of features based on at least information associated with the first plurality of features and the at least a first predetermined characteristic; determining a third plurality of features based on at least information associated with the second plurality of features; processing information associated with the third plurality of features; determining at least a first likelihood based on at least information based on the third plurality of features and a first plurality of parameters; processing information associated with the first likelihood and the at least a first predetermined characteristic; adjusting the first plurality of parameters based on at least information associated with the first likelihood and the at least a first predetermined characteristic.