Abstract
The paper proposes an efficient method for solving a one- norm equality constrained optimization problem. In fact, this kind of optimization problems is nonconvex. First, the problem is formulated as the least absolute shrinkage and selection operator (LASSO) optimization problem. Then, it is solved by iterative shrinkage algorithms such as the fast iterative shrinkage thresholding algorithm. Next, the solution of the LASSO optimization problem is employed for formulating the constraint of the corresponding least-squares constrained optimization problem. The solution of the least-squares constrained optimization problem is taken as a near globally optimal solution of the one-norm equality constrained optimization problem. The main advantage of this proposed method is that a solution with both lower one-norm constraint error and two-norm reconstruction error can be obtained compared to those of the LASSO problem, while the required computational power is significantly reduced compared to the full search approach. Computer numerical simulation results are illustrated.



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Acknowledgments
This paper was supported partly by the National Nature Science Foundation of China (Nos. 61372173 and 61471132), the Guangdong Higher Education Engineering Technology Research Center for Big Data on Manufacturing Knowledge Patent (No. 501130144), the Hundred People Plan from the Guangdong University of Technology and the Young Thousand People Plan from the Ministry of Education of China.
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Li, Y., Ling, B.WK., Xie, L. et al. Using LASSO for formulating constraint of least-squares programming for solving one-norm equality constrained problem. SIViP 11, 179–186 (2017). https://doi.org/10.1007/s11760-016-0917-2
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DOI: https://doi.org/10.1007/s11760-016-0917-2