Journal on Artificial Intelligence
Tech Science Press
School of Engineering
National Natural Science Foundation of China (61806013, 61876010, 61906005, 62166002) / General project of Science and Technology Plan of Beijing Municipal Education Commission (KM202110005028) / Project of Interdisciplinary Research Institute of Beijing University of Technology (2021020101) / International Research Cooperation Seed Fund of Beijing University of Technology (2021A01)
Deep kernel mapping support vector machines have achieved good results in numerous tasks by mapping features from a low-dimensional space to a high-dimensional space and then using support vector machines for classification. However, the depth kernel mapping support vector machine does not take into account the connection of different dimensional spaces and increases the model parameters. To further improve the recognition capability of deep kernel mapping support vector machines while reducing the number of model parameters, this paper proposes a framework of Lightweight Deep Convolutional Cross-Connected Kernel Mapping Support Vector Machines (LC-CKMSVM). The framework consists of a feature extraction module and a classification module. The feature extraction module first maps the data from low-dimensional to high-dimensional space by fusing the representations of different dimensional spaces through cross-connections; then, it uses depthwise separable convolution to replace part of the original convolution to reduce the number of parameters in the module; The classification module uses a soft margin support vector machine for classification. The results on 6 different visual datasets show that LC-CKMSVM obtains better classification accuracies on most cases than the other five models.
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