@article{discretewavelettransformandgradient,
  title = {Discrete Wavelet Transform and Gradient Difference based approach for text localization in videos},
  author = {B. H. Shekar and Smitha M. L. and P. Shivakumara},
  year = {2015},
  eprint = {1502.06703},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1502.06703v1},
}