A local variance-controlled reversible data hiding method using prediction and histogram-shifting
نویسندگان
چکیده
The stego image quality produced by the histogram-shifting based reversible data hiding technique is high; however, it often suffers from lower embedding capacity compared to other types of reversible data hiding techniques. In2009, Tsai et al. solved this problembyexploiting the similarity of neighboringpixels vailable online 22 September 2010
منابع مشابه
Reversible Data Hiding Based on Invariant Image Classification and Expansion Embedding in Medical Images
In this paper, an improved reversible data hiding scheme is proposed . In the method proposed by us , it apply expansion embedding , which will adaptively takes care of local specifities of image content. In our method , it classify pixels based on their predicted value and pixels prediction errors. By applying expansion embedding to the pixels prediction errors and by considering their immedia...
متن کاملA Novel Encryption and Extended Dynamic Histogram Shifting Modulation for Reversible Data Hiding in Encrypted Image
Recently, progressive interest is paid to reversible data hiding (RDH) in encrypted images, since it preserves the original cover can be recovered without any loss after embedded data is extracted to protect the confidentiality of image content’s.Earlier method used“vacate room after Encryption” in which data can be embedded by reversibly vacating room from the encrypted images. This might caus...
متن کاملA Novel Reversible Data Hiding Based on the Prediction Error Image
Reversible data hiding has drawn a lot of interest recently. Being reversible, the original image can be completely restored without distortion. In this paper, a novel reversible data hiding scheme is proposed, which is based on histogram shifting of prediction errors. The JPEGLS prediction method is employed. We apply the peak point of a histogram in a prediction error (PE) image to generate a...
متن کاملReversible image hiding scheme using predictive coding and histogram shifting
In this paper, a reversible image hiding scheme based on histogram shifting for medical images is proposed. As we know, the histogram-based reversible data hiding is limited by the hiding capacity, which is influenced by the overhead of position information that has to be embedded in the host image. To solve this problem, the similarity of neighboring pixels in the images was explored by using ...
متن کاملA reversible image hiding scheme using novel linear prediction coding and histogram shifting
In 2009, Tsai et al. proposed reversible image hiding scheme using linear prediction coding and histogram shifting. Tsai et al.’s scheme improved the hiding capacity of Ni et al.’s scheme using the linear prediction coding and two histograms. In the linear prediction coding, however, the basic pixel is not used. If a value of basic pixel is the largest or the smallest in a block, only one histo...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Journal of Systems and Software
دوره 83 شماره
صفحات -
تاریخ انتشار 2010