Adaptive Soft Parameter Sharing Method Based on Multi-Task Deep Learning
On the basis of the soft parameter sharing model,the authors set the adaptive regular term coefficient λ*and adaptive parameter decay ratio θ by the similarity between tasks and the relationships between parameters.In this paper,the authors propose an adaptive soft parameter sharing method based on multi-task deep learning.On the basis ofL2norm based on the mean constraint,the effect of removing information with low similaritities between tasks can achieve by adaptively removing the number of terms in the regular term of the loss function.The approach in this paper dynamically transforms soft parameter multi-task learning into joint soft parameter multi-task and single-task learning.Compared with soft parameter multi-task learning methods,this method reduces the impact of negative migration phenomena.Compared with single-task learning method,this method can greatly reduce the risk of local minimum solution.Both simulation studies and case analyses have confirmed the effectiveness of this approach,demonstrating that its achieves superior predictive accuracy compared to traditional multi-task learning and single-task learning methods.
Multi-task learningsoft parameter sharingadaptive parameter decay ratioadaptive regular term coefficients