[PDF] Top 20 Abordando a sexualidade com adolescentes em uma escola pública:: um relato de experiência

... images, video and audio. The central goal for technical researchers in Digital Watermarking application is to address the copyright infringement issue by developing the algorithm which ... See full document

... color digital video and compare their results with existing fixed length 3D-DCT ...of digital multimedia communication is faces problems related to security and authenticity of digital ... See full document

... Digital video watermarking is done by embedding watermark in a video sequence so as to defend the video from illegal copying ...[1]. Video sequencing consists of motionless ... See full document

... Video watermarking applications can be grouped as security related like Copy control [7], fingerprinting, ownership identification, authentication, taper resistance ...linking, video tagging, ... See full document

... of watermarking on different ...invisible watermarking is a simple to implement method of image and video frame ...The digital image and frame is represented as matrix in MATLAB and in Android ... See full document

... Abstract: Watermarking as an additional tool in protecting digital ...domain watermarking concept with Cryptography including the various schemes of system based on the kind of key and a few ... See full document

... Mostafa: Video watermarking scheme based on PCA and wavelet transform", Salwa ...into video frames by using the concept of linear transform PCA and discrete wavelet ...The video is divided ... See full document

... The multipath effect in the wireless channel is the major difficulty in single carrier system that limit the data rate. Considerable data rate achieved only by tradeoff with inter symbol interference. Thus the multi ... See full document

... Video Watermarking is an evolving field in the area of multimedia major issues include (1) Lack of privacy of digital data, when copying digital ...and video [7, 8, 9] interference of ... See full document

... Nonetheless, the pictures of genuine cameras experience the ill effects of pretty much focal point expression, which is a nonlinear and for the most part radial distortion. The most pervasive type of this impact is the ... See full document

... general, digital WM techniques proposed so far for media authentication are usually designed to be visible or invisible robust or invisible-fragile watermarks according to the level of required robustness ... See full document

... DVB 3 is a standard based on the MPEG-2 video compression scheme for the provision of digital video services [7]. Since DVB has several flavours and their as- sociated standards - Satellite(DVB-S), ... See full document

... in video presentation from the point of view of forming a foreign-language professional ...can video presentation in a foreign language become a pedagogical technology, the sequence of educational ... See full document

... in digital image ...transform digital data into cipher code before they are transmitted and decryption involves the application of mathematical algorithms and keys to get back the original data from ... See full document

... OFDM system is an efficient digital multi-carrier modulation technique offers great spectral efficiency and high robustness. This technique involves dividing the signal into several narrow sub - band channels at ... See full document

... standardization organizations, including ETSI, ITU and Telecommunications Industry Association, is provided. Meanwhile, the status and main content of standards are described. A standardization of cross-layer protocol ... See full document

... or meander antennas, and radiation patterns like S 11 demonstrate antenna’s performances. We also notice in [9, 10] that for such application the behavior of the antenna must be provided with the inclusion of the ... See full document

... Robust Video Watermarking Technique using DWT, DCT, and ...watermarked video sequences are very much susceptible to pirate ...Robust Video Watermarking using Discrete Cosine Transform ... See full document

... Kotecha “A Robust Scheme for Digital Video Watermarking based on Scrambling of Watermark”, International Journal of Computer Applications 0975 – 8887 Volume 35– No.2, December 2011 [21] [r] ... See full document

... Encoder,Decoder.The conceptual model of the watermarking system is explained in figure 1 . Original image depicts the carrier which needs protection. The watermark encoder embeds the watermark in to the cover ... See full document