• DocumentCode
    1951933
  • Title

    Error concealment for partially damaged blocks

  • Author

    Hasimoto-Beltran, Rogelio ; Khokhar, Ashfaq A.

  • Author_Institution
    Dept. of Comput. Sci., Center for Res. in Math.
  • fYear
    2005
  • fDate
    8-10 June 2005
  • Firstpage
    69
  • Lastpage
    72
  • Abstract
    We developed an ad-hoc spatial error concealment (EC) scheme for two different inter-block interleaving techniques known as triangular and coefficient level interleaving (R. Hasimoto-Beltran et al., December 2004). Triangular EC scheme works in the transform domain and makes use of AC information in the neighboring blocks in order to estimate the missing AC coefficients in the partially damaged block. The EC for the coefficient level interleaving is applied in the space domain and the main purpose is to eliminate the blocking artifacts due to the loss of few AC coefficients. We show that Intra-block interleaving along with our developed EC schemes increase significantly the quality of the received image/video information when transmitted over bursty channels with high error rate (50%)
  • Keywords
    image reconstruction; video signal processing; ad-hoc spatial error concealment scheme; bursty channels; interblock interleaving techniques; partially damaged blocks; received image; space domain; transform domain; video information; Code standards; Computer errors; Discrete cosine transforms; Frequency domain analysis; Frequency synchronization; Image coding; Image reconstruction; Interleaved codes; Mathematics; Surface reconstruction;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    ELMAR, 2005. 47th International Symposium
  • Conference_Location
    Zadar
  • Print_ISBN
    953-7044-01-4
  • Type

    conf

  • DOI
    10.1109/ELMAR.2005.193643
  • Filename
    1505644