TY - EJOU AU - Pan, Nan AU - Liu, Yi AU - Pan, Dilin AU - Qian, Junbing AU - Li, Gang TI - Line Trace Effective Comparison Algorithm Based on Wavelet Domain DTW T2 - Intelligent Automation \& Soft Computing PY - 2019 VL - 25 IS - 2 SN - 2326-005X AB - It will face a lot of problems when using existing image-processing and 3D scanning methods to do the similarity analysis of the line traces, therefore, an effective comparison algorithm is put forward for the purpose of making effective trace analysis and infer the criminal tools. The proposed algorithm applies wavelet decomposition to the line trace 1-D detection signals to partially reduce background noises. After that, the sequence comparison strategy based on wavelet domain DTW is employed to do trace feature similarity matching. Finally, using linear regression machine learning algorithm based on gradient descent method to do constant iteration. The experiment results of line traces sample data comparison demonstrate the accuracy and reliability of the proposed algorithm. KW - Line trace KW - Wavelet transform KW - Laser detection KW - Machine learning DO - 10.31209/2019.100000097