Model compression techniques in biometrics applications: A survey

Eduarda Caldeira, Pedro C. Neto, Marco Huber, Naser Damer, Ana Filipa Sequeira

Abstract: Highlights•Compression techniques can be used to obtain efficient lightweight models.•Compression methods can lead to competitive results when combined in a framework.•Knowledge distillation methods are widely deployed in the biometrics field.•Quantization and pruning need to be further studied in biometrics applications.•Compression techniques are often responsible for amplifying model bias.