[PDF] Top 20 Digital image watermarking by using intermediate significant bits in gray scale images

... This research consists of five chapters. The first chapter presents introduction to the project which includes the problem background, problem statements, aim of project, the main objectives and scope of the project. In ... See full document

... for image watermarking based on random selection of 2 middle-band coefficients of DCT ...done using DCT frequency transform in different blocks of the ...of watermarking to increase the domain ... See full document

... Instantaneous digital image watermarking is an urgent need for many of today’s applications such as digital cameras and digital phone ...the watermarking techniques, transform ... See full document

... Steganographic images. In this method, a cover image that is in gray scale is used for hiding the confidential ...cover image is partitioned into small non-overlapping segments ... See full document

... modern digital world of e-communication which is achieved either by encrypting information or by hiding information in other information called cover ...variable bits (VTVB) Stegnography, to hide ... See full document

... and watermarking in digital images and raw video have wide ...by image stag analysis methods and is lossless coded, thus it is not prone to quantization ...data bits of the message are ... See full document

... main image is unavoidably distorted during inserting data and it cannot be removed fully because of quantization, bit-replacement, or ...remedial images (Memon et ... See full document

... for digital water marking of images using DCT is proposed in ...DCT digital image watermarking ...effective watermarking method could ...of image than previous ... See full document

... test image, shown in Figure ...least significant bits, where ...least significant bits per ...the image do not ...simple Image manipulations will destroy the entire hidden ... See full document

... and digital information more widely ...So, digital content to be published must have rules in the use and protection that are widely recognized, so that the intellectual property rights of the creator are ... See full document

... like digital camera, internet and the like are in the JPEG ...JPEG images in order to satisfy the space constraints and to transmit the images with limited ...JPEG image in order to achieve ... See full document

... a digital image means finding how much information can be hidden in image without perceptible distortion, while maintaining watermark robustness against usual signal processing manip- ulation and ... See full document

... watermark image before embedding into the cover image by using ...fragile watermarking algorithm for the authentication of ...the image to see the integrity of ...binary bits by ... See full document

... Visible watermarking: A visible watermark is a visible translucent image which is overlaid on the primary ...primary image, it allows the primary image to be viewed, but still marks it clearly ... See full document

... Abstract—Digital watermarking techniques have been developed to protect the copyright of multimedia objects such as text, audio, video, ...new digital watermarking algorithm with gray ... See full document

... The Digital image watermarking technology is being improved day by day, there are a lot of possibilities of reproduction and manipulation of digital multimedia such as digital ... See full document

... an image into groups of pixels[1-2] which are homogeneous with respect to some criterion is called image ...an image is the main objective of image ...in image analysis and pattern ... See full document

... low significance levels, because these features were influ- enced by the border locations. Typically, coronary arter- ies are highly prone to rupture when more DC tissues are distributed close to the intima border. Some ... See full document

... an image is computed and then the Fourier-Mellin transform is performed on the magnitude, the watermark is embedded in the magnitude of the resulting ...watermarked image is reconstructed by performing the ... See full document

... of bits marked per patch (horizontal axis) and the noise level (vertical ...of bits marked per patch for a given distortion, will result in smaller quantization steps and lower ...fragile ... See full document