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A novel image reconstruction algorithm for electrical impedance tomography using enhanced adaptive group sparsity with total variation constraint is proposed in this paper. The new algorithm simultaneously utilizes the prior knowledge of regional structure feature and global characteristic of the conductivity distribution. The regional structure feature is encoded by using an enhanced adaptive group...
Electrical capacitance tomography (ECT) is a tomographic imaging technique for monitoring and studying dielectric processes. Image reconstruction in ECT is a nonlinear and typical inverse problem and has been widely investigated. In this paper, we investigate the ECT sensor data pattern and its impact on image reconstruction. By analyzing the capacitance data of certain typical permittivity distributions,...
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