By Hsiang-Cheh Huang, Jeng-Shyang Pan, Wai-Chi Fang, Prof. Lakhmi C. Jain (auth.), Jeng-Shyang Pan, Hsiang-Cheh Huang, Prof. Lakhmi C. Jain, Wai-Chi Fang (eds.)
This ebook offers the most recent study within the region of multimedia facts hiding paradigms. The booklet is split into 4 elements and an appendix.
- The first half introduces multimedia sign processing and knowledge hiding strategies. It comprises multimedia illustration, desire for multimedia, electronic watermarking basics and standards of watermarking.
- The moment half describes the new advances in multimedia sign processing.
- The 3rd half offers info hiding innovations together with steganography, mystery sharing and watermarking.
- The ultimate a part of this e-book contains sensible functions of clever multimedia sign processing and knowledge hiding systems.
- Appendix contains resource codes and/or executables on the topic of the themes in a few chapters. readers are invited to take advantage of those programs.
This publication could be useful to either academia and undefined. This booklet is directed to the ultimate yr undergraduate and junior postgraduate scholars. Researchers and professors within the departments of electrical/electronics/communication engineering, computing device technological know-how, and touching on departments will locate this publication useful.
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Extra resources for Intelligent Multimedia Data Hiding: New Directions
The lower level it goes, the more complicated the algorithm will be. 4 Video Encoder and Decoder Fig. 17 shows the block diagram of a video encoder and video decoder. The encoding and decoding of the I-, P- and B-frames are explained as follows: The ﬁrst frame in the GOP will always be Intra coded. During Intra coding all the switches except K2 are switched oﬀ, and each block of the I-frame is directly DCT transformed, quantized, zigzag scanned, run length coded and variable length coded as we described in Fig.
The following steps show an example of how an ITU R-601, 4:2:2 PAL component video input can be converted to a format that is suitable for storage in Video CD using MPEG-1 video coding, • • • • Discarding every other ﬁeld. This results in a progressive scan system with a frame rate of 25 or 30 Hz. It also halves the data rate and neatly circumvents interlace handling. It halves the vertical resolution of the video frames. The horizontal resolution is halved by sub-sampling to 352 luminance pixels per line.
ISO/IEC 11172–5, Software simulation, consists of a software decoder and an encoder, that helps interested parties to get quickly accustomed to MPEG Video and Audio. 261, MPEG-1 uses DCT based Intra frame coding to remove the spatial redundancy, and motion compensation based Inter frame coding to remove the temporal redundancy. It allows forward, backward, and interpolative predictions. The motion vectors will typically have the precision of half pixel. Constraint Parameter Set MPEG-1 has recommended a constraint parameter set that the MPEG-1 compatible decoder must be able to support.