Lei Lei and Chao Wang and Xin Liu, Discrete Wavelet Transform Decomposition Level Determination Exploiting Sparseness Measurement. journal = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2013, vol. 81(9). 1182 - 1185 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/16666.