An ethnic costumes classification model with optimized learning rate

Shuang Zhang; Zongxi Song

doi:10.1117/12.2539608

14 August 2019 An ethnic costumes classification model with optimized learning rate

Shuang Zhang, Zongxi Song

Proceedings Volume 11179, Eleventh International Conference on Digital Image Processing (ICDIP 2019); 111791K (2019) https://doi.org/10.1117/12.2539608
Event: Eleventh International Conference on Digital Image Processing (ICDIP 2019), 2019, Guangzhou, China

Abstract

In the convolutional neural network model, the learning rate represents the magnitude of the neural network parameters that change at each iteration. When the learning rate is too high, the loss function will oscillate without converging. When the learning rate is too low, the loss function converges slowly. How to set the appropriate value of the learning rate becomes an important issue. Based on the learning rate annealing algorithm, this paper sets the segmentation attenuation and adds periodic pulse perturbation. The learning rate gradually declines and rises at the end of the cycle, and then continues to fall. This prevents the network from oscillating at a local minimum or saddle point in the late training period due to the low learning rate [1]. Finally, this paper verifies the method in the application of ethnic clothing classification using the transfer learning VGG-16 model.

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Shuang Zhang and Zongxi Song "An ethnic costumes classification model with optimized learning rate", Proc. SPIE 11179, Eleventh International Conference on Digital Image Processing (ICDIP 2019), 111791K (14 August 2019); https://doi.org/10.1117/12.2539608

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KEYWORDS

RGB color model

Data modeling

Annealing

Convolution

Neural networks

Image processing

Data conversion

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