نتایج جستجو برای: lsb

تعداد نتایج: 1535  

Journal: :IBM Systems Journal 2005
Christopher Yeoh

C. Yeoh The goal of the Linuxe Standard Base (LSB) is to develop and promote a set of standards that will increase compatibility among Linux distributions and enable software applications to run on any compliant Linux system. There are currently LSB specifications available for the Intel Architecture IA-32e processors and for the 32and 64-bit PowerPCe, Itaniume, 31and 64-bit zSeriese, and AMD64...

Journal: :journal of artificial intelligence in electrical engineering 2013
farhad narimani mohammad esmaeel akbari hamid vahdati

in this paper, a faster method for embedding cryptographic information in the image ispresented by expressing the concept of latent prints (steganography). data is encrypted bytwo methods before embedding to increase reliability. then they are embedded into the imageby a button, a method has been expressed to reduce potential noise impact on the wayinformation is encoded.

2004
S. D. Rosenbaum D. J. Bomans

Using the Early Data Release of the Sloan Digital Sky Survey (SDSS) we investigated the clustering properties of Low Surface Brightness (LSB) galaxies in comparison to normal, High Surface Brightness (HSB) galaxies. We selected LSB galaxies and HSB galaxies with well measured redshifts from the SDSS data base and performed three-dimensional neighbour counting analysis within spheres of radii be...

Journal: :CoRR 2011
Abdullah Bamatraf Rosziati Ibrahim Mohd. Najib Mohd. Salleh

In this paper, we introduce a new digital watermarking algorithm using least significant bit (LSB). LSB is used because of its little effect on the image. This new algorithm is using LSB by inversing the binary values of the watermark text and shifting the watermark according to the odd or even number of pixel coordinates of image before embedding the watermark. The proposed algorithm is flexib...

2014
Rajni Verma

This paper, we introduce a new digital watermarking algorithm using least significant bit (LSB). LSB is used because of its little effect on the image. This new algorithm is using the third and the fourth least significant bits (LSB) technique and shifting the watermark of pixel coordinates of image before embedding the watermark. The proposed algorithm is flexible depending on the length of th...

Journal: :J. UCS 2005
Nedeljko Cvejic Tapio Seppänen

In this paper, we present a novel high bit rate LSB audio watermarking method that reduces embedding distortion of the host audio. Using the proposed two-step algorithm, watermark bits are embedded into higher LSB layers, resulting in increased robustness against noise addition. In addition, listening tests showed that perceptual quality of watermarked audio is higher in the case of the propose...

2014
Gandharba Swain

To provide higher embedding capacity without sacrificing the imperceptibility, a novel steganographic technique based on nine-pixel differencing with modified Least Significant Bit (LSB) substitution is proposed. The image is divided into 3×3 non-overlapping blocks. In each block the average difference value is calculated. Based on this value the block is classified to fall into one of the four...

Journal: :J. Inf. Sci. Eng. 2010
Cheng-Hsing Yang Shiuh-Jeng Wang

Simple least-significant-bit (LSB) substitution is a method used to embed secret data in least significant bits of pixels in a host image. The LSB approaches typically achieve high capacity. A simple LSB substitution, which hides secret data directly into LSBs, is easily implemented but will result in bad quality of the stego-image. In order to reduce the degradation of the host image after emb...

2011
M. Naseem Ibrahim M. Hussain M. Kamran Khan Aisha Ajmal

In this paper, we propose an algorithm called Optimum Intensity Based Distributed Hiding (OIBDH) for secret data hiding inside cover images. The algorithm is a modified version of Bit Plane Splicing LSB technique with better hidden capacity and improved embedding process. The proposed algorithm outperforms Bit Plane Splicing LSB technique as more data can be hidden without degrading the quality...

2003
K. O’Neil

Using the IRAM 30m telescope we have obtained seven new, deep CO J(1−0) and J(2−1) observations of low surface brightness (LSB) galaxies. Five of the galaxies have no CO detected to extremely low limits (0.1 – 0.4 K km s−1 at J(1−0)), while two of the galaxies, UGC 01922 and UGC 12289, have clear detections in both line transitions. When these observations are combined with all previous CO obse...

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