Information Hiding Based on Intra Prediction Modes for H.264/AVC

Hu, Yang; Zhang, Chuntian; Su, Yuting

doi:10.1109/icme.2007.4284879

Cited by 67 publications

(51 citation statements)

References 2 publications

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“…MPEG-2 is designed and implemented for digital television broadcasting applications that specially require a bit rate of between 4 and 15 Mbps (up to 100 Mbps), such as digital high definition TV (HDTV), interactive storage media (ISM), and cable TV Profiles and levels were introduced in MPEG-2 [7]. 5) Mpeg-4: MPEG-4 was approved in October 1998, and it enables multimedia to be transmitted in low bit rate networks and allows the user to interact with the objects [8]. The objects represent aural, visual or audiovisual content that can be synthetic such as interactive graphics applications, or natural such as in digital television.…”

Section: A Different Methods Of Video Compressionmentioning

confidence: 99%

“…But one problem is their while using IPCM blocks is scarcely of IPCM blocks. Although many researchers have presented data hiding standard techniques based on intra-prediction mode of H.264 video [6], [7], [9] but Kapotas et al [1], [8] was to first to propose it using IPCM macroblocks. Data hiding based on motion vectors estimation has been presented [3], [5] but this suffers from the basic limitation of low embedding capacity, as lot of extra information is to be embedded to make the watermark data safe and secure.…”

Section: Intra Pulse Code Modulation In H264/avcmentioning

confidence: 99%

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Review on Real Time Data Encryption in H.264/Avc Video Streams by Exploiting IPCM Microblocks

Kadam¹

2017

IJRASET

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In daily life, there is an increase in the use of multimedia applications such video conferencing, video telephony, stream video/audio online etc. For the purpose of highly secure data transmission safely, there is a requirement of encryption of digital data. In this paper, we studied the various methods of data encryption technique, and find out the best method for the secured data transmission. H.264 is well-known compression standard technique for original raw video. Data hiding using general techniques will not perform under this scheme. We present a data hiding approach in IPCM block. Where these IPCM encoded macroblocks are modified in order to hide the desired data. Generally in video encryption, the numbers of IPCM blocks generated are very less. A method is presented to increase the number of IPCM blocks generated in H.264/AVC algorithm, by which more data can be hidden. It is a blind data hiding approach, i.e. the message can be extracted directly from the encoded stream without the need of the original host video.

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Section: A Different Methods Of Video Compressionmentioning

confidence: 99%

Section: Intra Pulse Code Modulation In H264/avcmentioning

confidence: 99%

Review on Real Time Data Encryption in H.264/Avc Video Streams by Exploiting IPCM Microblocks

Kadam¹

2017

IJRASET

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“…Some of these papers considered data hiding in DCT coefficients (Badura and Rymaszewski, 2007;Hu et al, 2007;Stanescu et al, 2007;. For example, Stanescu et al (2007) presented a steganographic method using spatial characteristic of the video to embed data in I-frames of the video stream.…”

Section: Introductionmentioning

confidence: 99%

“…Badura and Rymaszewski (2007) have proposed a steganographic method in which data are hidden in each block of I-frame so that bit rate is not increased and also takes help from audio to increase the capacity. Hu et al (2007) have presented an algorithm that embeds one bit in each qualified intrablock in H.264 bitstream by modifying intra-4 3 4 prediction modes (I4-modes) based on mapping between I4-mode and secret bits.…”

Section: Introductionmentioning

confidence: 99%

An adaptive scheme for compressed video steganography using temporal and spatial features of the video signal

Mansouri

Khademi

2009

Int J Imaging Syst Tech

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Steganography is the art and science of data hiding. This article proposes an adaptive steganographic algorithm that embeds secret data in a compressed video stream using temporal and spatial features of the video signal and human visual system characteristics. Qualified-DCT coefficients of I-VOP and motion vectors of P-VOP and B-VOP are used for spatial and temporal features of the video, respectively. Embedded-data are extracted without using the original video and there is no need for full decompression. Experimental results demonstrate that the proposed algorithm has high imperceptibility and capacity. Furthermore, the bit rate remains approximately constant.

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“…MPEG, H.264/AVC). These techniques usually map the input information to a component of the video such as the discrete cosine transform (DCT) coefficients [1,2], motion vectors [3], and intra prediction mode [4,5]. However, to the best of our knowledge, there has been little focus on watermarking for the recently finalized High Efficiency Video Coding (HEVC) standard [6].…”

Section: Introductionmentioning

confidence: 99%

Out-of-the-loop information hiding for HEVC video

Van

Praeter

Wallendael

et al. 2015

2015 IEEE International Conference on Image Processing (ICIP)

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Communication using internet and digital media is more and more popular. Therefore, the security and privacy of data transmission are highly demanded. One effective technique providing this requirement is information hiding. This technique allows to conceal secret information into a video file, an audio, or a picture. In this paper, we propose a low complexity out-of-the-loop information hiding algorithm for a video preencoded with the high efficiency video coding standard. Only selected components such as the motion vector difference and transform coefficients of the video are extracted and modified, bypassing the need of fully decoding and re-encoding the video. In order to reduce the propagation error caused by hiding information, the dependency between video frames is taken into account when distributing the information over the frame. Several embedding strategies are investigated. The experimental results show that the information should be hidden in smaller blocks to reduce quality loss. Using a smart distribution of information across the frames can keep the quality loss under 1 dB PSNR for an information payload of 15 kbps. When such a strategy is used, embedding information in the transform coefficients only slightly outperforms the modification of motion vector differences.

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Information Hiding Based on Intra Prediction Modes for H.264/AVC

Cited by 67 publications

References 2 publications

Review on Real Time Data Encryption in H.264/Avc Video Streams by Exploiting IPCM Microblocks

Review on Real Time Data Encryption in H.264/Avc Video Streams by Exploiting IPCM Microblocks

An adaptive scheme for compressed video steganography using temporal and spatial features of the video signal

Out-of-the-loop information hiding for HEVC video

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