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A high-efficiency energy and storage approach for IoT applications of facial recognition

2020; Elsevier BV; Volume: 96; Linguagem: Inglês

10.1016/j.imavis.2020.103899

1872-8138

Solon A. Peixoto, Francisco F.X. Vasconcelos, Matheus T. Guimarães, Aldísio G. Medeiros, Paulo A. L. Rêgo, Aloísio Vieira Lira Neto, Victor Hugo C. de Albuquerque, Pedro P. Rebouças Filho,

Video Surveillance and Tracking Methods

This work introduces a high-efficiency approach for face recognition applications based on features using a recent algorithm called Floor of Log (FoL). The advantage of this method is the reduction of storage and energy, maintaining accuracy. K-Nearest Neighbors and Support Vector Machine algorithm was applied to learn the better parameter of the FoL algorithm using cross-validation. Accuracy and the size after the compression process were adopted to evaluate the proposed algorithm. The FoL was tested in CelebA, Extended YaleB, AR, and LFW face datasets obtaining the same or better results when compared with the approach using the same classifiers with uncompressed features, but with a reduction of 86 to 91% compared to the original data size. The proposed method of this work presents a robust and straightforward algorithm of compression of features for face recognition applications. The FoL is a new supervised compression algorithm that can be adapted to achieve great results and integrated with edge computing systems.