Wavelet & multiwavelet lost block reconstruction in noisey environment

الملخص EN

In this paper, an algorithm for reconstruction of a completely lost blocks using the discrete wavelet and multiwavelet transforms are tested under noisey environment.

The algorithms examined in this paper do not require a DC estimation method.

While most of the previuosly reconstruction methods assume that the DC value is available or a DC estimation is required.

The reconstruction is achieved using the Boundary Interpolation (BI) which is based on wavelet transform.

The algorithm’s performance is further improved through the modification of the Boundary Interpolation algorithm.

Another algorithm is studied in this paper which is based on the multiwavelet transform.

The effect of adding a Gaussian noise to the image on the performance of reconstruction of the algorithms mentioned in this paper is studied.