Robust iris localization algorithm based on improved YOLOv4 and self-organized particle swarm optimization
YanFeng Li,
WenFeng Tang
Abstract:Content Aiming at the problem that iris images are easily affected by eyelid and eyelash noise, which leads to low positioning accuracy and poor stability, an iris positioning network based on YOLOv4 model is proposed. Firstly, the backbone feature extraction network combining ECA attention mechanism and Densenet121 is introduced to enhance the feature extraction capability of the model. Secondly, the SPP module is improved and replaced with a deep detachable void space convolution pool pyramid to promote the … Show more
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