alexa Pseudo 3D-DCT Approach of Digital Watermarking for Vid
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article

Pseudo 3D-DCT Approach of Digital Watermarking for Video Sequences

Krishnamoorthi1, Anitha Devi M.D2, Dr.M.Z.Kurian3, K.Vishwanath Reddy4
  1. PG Student [VLSI & Embedded systems], Sri Siddhartha Institute Of Technology, Tumkur, Karnataka, India
  2. Asst. Professor, Dept. of ECE, Sri Siddhartha Institute of Technology, Tumkur, Karnataka, India
  3. HOD, Dept. of ECE, Sri Siddhartha Institute of Technology, Tumkur, Karnataka, India
  4. Asst. Professor, Dept. of EEE, M.S.Ramaiah School of Advanced Studies, Bangalore, Karnataka, India
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Abstract

This paper presents implementation of Digital Water marking for video sequences using 3D-DCT Approach. In this method Water Mark (WM) is embedded in the DCT domain of uncompressed video sequences by modifying the 3D-DCT Coefficients in each 8 x 8 blocks of individual frames. Mid-range frequency coefficients are selected to insert the WM. In this, WM is spread in both frequency and spatial domain of video stream since each block contains both temporal and spatial information of video. Secret key is generated from binary WM image and same is used during the extraction of WM. This 3D-DCT has the advantage of reducing inter frame redundancy among number of consecutive frames with less computation time and encoder complexity

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