digital video watermarking and the collusion attack

... manufacturing The size of the organization makes no difference to the thief The larger the organization, the more the theft occurs and the greater the opportunity for losses The more valuable the product, ... viewed live and/ or recorded When there is activity in the camera area the video and audio signals are switched to the monitor and the guard sees and hears the activity in the scene and initiates ... toward the camera and intercepted and collected by the camera lens As a general rule, the larger the lens diameter, the more light will be gathered, the brighter the image on the sensor, and the...

Ngày tải lên: 01/06/2014, 07:52

... The Videomaker Guide to Digital Video and DVD Production Second Edition The Videomaker Guide to Digital Video and DVD Production Second Edition From the Editors of Computer Videomaker ... gear, digital video is the future Right now, the two major players on the digital front are the firmly established Mini DV and the somewhat established Digital8 And the experimental new video formats ... with the same lens, at the same distance from the subjects, and focused on the same person, the woman The only variable is the aperture As you can see, the higher the f stop, the greater the depth...

Ngày tải lên: 01/06/2014, 11:26

... Education Foundation and the Digital Utility have a large permanent staff, there is a small core group and a large number of young, bright scientists rotated through The hope is they will find ways ... interesting research funding and return to their home institutions and improve the level of teaching and research Vietnam is currently in line to be a MSI member However, another initiative has even ... work for their universities, especially as regulation improves and existing technologies are more widely applied If the MSI and preparatory programs put all of their research, lectures and curricula...

Ngày tải lên: 16/01/2014, 11:37

... further expand opportunities for cybercriminals and other threat actors to gain profit, steal information, and sabotage their targets’ operations Our 2013 forecasts: The volume of malicious and ... scanning in the form of Bouncer was first introduced in February and integrated into devices with the use of the latest Android version—Jelly Bean (Android 4.2)—later in the year The improved ... between Android attackers and security providers is likely to occur in the coming year, much as one occurred a decade or more ago over Microsoft Windows Google has made improvements to the Android...

Ngày tải lên: 17/02/2014, 21:20

... registers The C67xx (such as the C6701, C6711, and C6713) belong to the family of the C6x floating-point processors, whereas the C62xx and C64xx belong to the family of the C6x fixed-point processors The ... using many of the examples and experiments from Chapters 1–7 and Chapter The beginning of the semester can be devoted to short programming examples and experiments and the remainder of the semester ... on and generate a 1-kHz tone Connect the LINE OUT (or the HEADPHONE) on the DSK board to a speaker or to an oscilloscope and verify the generation of the 1-kHz tone The four connectors on the...

Ngày tải lên: 15/03/2014, 17:20

... !"#!$%&'()*&+,-&!$)&(,!)",)!& "#$%&!'#()*&))!! +#(*!,%**&(! -&.)&$/&(!0122! ! ! Truth, Lies and the Internet ! 3.&4!566&778!-9$&!(%:;)7!(&7&(/*%7;&(!9?!);%7!@9(AB!C&$97!@#4)7!)9!&469>(#:&!);&!6%(6>*#)%94!9?!9>(!! ... V94=94!-W2!0FX! F!!1YZ[!Z[Y![\Z\! R!!101!]TU]!Z012! ;&**9^=&$978698>A! @@@8=&$978698>A! Truth, Lies and the Internet )0)/#!(1)&*#22+"3& F;&!%4)&(4&)!%7!49@!#*$97)!6&()#%4*D!);&!:(&#)&7)!79>(6&!9?! %4?9($#)%94!?9(!.&9.*&!*%7&!%)!)9!(&#=!>.! ... >4A49@48!34&!=#4:&(!%7!);#)!D9>4:!.&9.*&!#(&!$9(&!*%A&*D!)9!/&! 7&=>6&=!/D!&M)(&$%7)!#4=!.7!#(&!?&=!/D!/9:>7!94*%4&!$#)&(%#*! 6%(6>*#)%4:!>46;#**&4:&=!94!94*%4&!&6;9!6;#$/&(78!54=&(7!'(&%

Ngày tải lên: 23/03/2014, 03:20

... some of the examples shown here, it is wise for you, as the video producer, to learn about the values of the company you work for, how they use their brands, and who their customers are Then you ... became part of Wells Fargo The video department would gather the news stories and then upload them via the Internet to the main office When there was a need for live coverage, they would hire a satellite ... editing of the video, you could phone them and ask them how they want their names to appear on the screen Do they have a particular title or company name they want to include? Would they like...

Ngày tải lên: 30/05/2014, 23:13

... methods they should be mindful of their own safety and the safety of others, including parties for whom they have a professional responsibility To the fullest extent of the law, neither the Publisher ... (generally after the first scene) • At the end of the movie (a closing title sequence) • At the beginning and at the end of the movie (an opening and closing title sequence) At the beginning of the movie ... further understand the unfolding of the movie As a result, title cards should be simple and not too elaborate They should not overcome the content of the footage and become a distraction to the...

Ngày tải lên: 30/05/2014, 23:22

... demonstrate the difference in the outcome As the final step of configuring the FP, align and distribute the objects using the appropriate buttons on the FP toolbar To set the outputs, locate and place ... stop the loop programmatically 25 Lab As the final step, tidy up the wires, nodes and terminals on the BD using the Align object and Distribute object options on the BD toolbar Then, save the VI ... generating the sum and the other the average of two input values The inputs are created by locating two Numeric Controls on the FP This is done by right-clicking on an open area of the FP to bring up the...

Ngày tải lên: 01/06/2014, 01:13

... applications The ITU (then the CCITT) initiated the standardization of video compression prior to the ISO They have recommended different H.26x video coding standards, out of which the first one, ... At the end of the chapter, error-resilient transcoding of the video stream is also discussed There are various other applications of processing of images and videos in the compressed domain They ... both the ISO and the ITU took on this task independently The ISO formed a committee named the Motion Picture Experts Group (MPEG) to set audio and video standards around 1988 Since then the committee...

Ngày tải lên: 05/06/2014, 12:04

... intensity of the darker pixel On the other hand, the parameter m max determines the contrast preservation capability in the light part of the image Increasing mmax would decrease the slope of the tonal ... mean of regional standard deviation and from 100 to 200 for the image mean the mean of standard deviation and the mean of image, respectively In [23], the authors found that the visually optimized ... over-enhancing the dark regions while preserving the regional brightness difference between dark and bright areas in the image On the other hand, the proposed SDRCLCE algorithm with the adaptive...

Ngày tải lên: 20/06/2014, 22:20

... intensity of the darker pixel On the other hand, the parameter m max determines the contrast preservation capability in the light part of the image Increasing mmax would decrease the slope of the tonal ... mean of regional standard deviation and from 100 to 200 for the image mean the mean of standard deviation and the mean of image, respectively In [23], the authors found that the visually optimized ... over-enhancing the dark regions while preserving the regional brightness difference between dark and bright areas in the image On the other hand, the proposed SDRCLCE algorithm with the adaptive...

Ngày tải lên: 21/06/2014, 00:20

... AES, in which the Slepian-Wolf coder takes the twofold role of compression step and diffusion step for security The last two papers are in the field of secure entropy coding, and address the design ... randomized entropy coding and bitstream rotation in order to improve the security They show that their scheme makes known and chosen plaintext attacks extremely difficult The last paper by Magli ... compression and encryption In their paper “Multimedia encryption with joint randomized entropy coding and rotation in partitioned bitstream,” Xie and Kuo propose a framework that couples randomized...

Ngày tải lên: 21/06/2014, 22:20

... throughout life Therefore, the figures given in the following should be considered approximate The optical system of the human eye is composed of the cornea, the aqueous humor, the lens, and the vitreous ... entering the lens, the light passes the pupil, the eye’s aperture The pupil is the circular opening inside the iris, a set of muscles that control its size and thus the amount of light entering the ... in the periphery, their diameter increases to 5–10 mm The diameter of the rods varies between and mm The size and spacing of the photoreceptors determine the maximum spatial resolution of the...

Ngày tải lên: 27/06/2014, 14:20

... Work and Conclusions 2008/12/26 Digital Video Compression Fundamentals an 17 The Development of Video Compression Standards 2008/12/26 Digital Video Compression Fundamentals an 18 The MPEG-1 Standard ... , N − and w = 0, , N − 1/ for k =  where N = and C ( k ) =   otherwise  2008/12/26 Digital Video Compression Fundamentals an The most popular method to remove temporal redundancy The Block-Matching ... Introduction Video Compression Standards Simulation Reference Software Future Work and Conclusions 2008/12/26 Digital Video Compression Fundamentals an Outline Introduction Video Compression Standards...

Ngày tải lên: 02/07/2014, 23:21

... directly to the DSK through the four 32-pin connectors along the edge of the DSK board All the TMS320C31 signals are routed to these four expansion connectors on the DSK and are available for the optional ... 1–3 V and a frequency between and kHz Observe a delayed output sinusoidal signal of the same frequency Vary the input frequency between and kHz and verify the same change in the frequency of the ... 29 In the instruction DBNZD, the first D stands for decrement, the second D is for delay, and the NZ represents the condition of not zero The auxiliary register AR0 in this case serves the function...

Ngày tải lên: 03/07/2014, 16:06

... standards for broadcasting digital pictures to the consumer, and the solutions chosen for the European DVB system (Digital Video Broadcasting) based on the international MPEG-2 compression standard ... called the CVBS (Color Video Baseband Signal; see Fig 1.4) In order not to disturb the luminance and the black and white receivers, this carrier had to be placed in the highest part of the video ... (analog video, digital sound) and delayed the introduction of 100 % digital video However, the very rapid progress made in compression techniques and IC technology in the second half of the 1980s...

Ngày tải lên: 03/07/2014, 16:06

... embedder and a detector, as illustrated in Figure 1.2 The embedder takes two inputs One is the payload we want to embed (e.g., either the watermark or the secret message), and the other is the cover ... pattern denotes bit, and the sign of the bit determines whether it is added or subtracted It then multiplies the message pattern by a scaling factor and adds it to the image The D_SIMPLE_BITS detector ... selection rules The SE_LTSOLVER accepts on its input the linear system matrix, A, and the right hand side, y, and outputs the solution to the system if it exists, xxvii xxviii Example Watermarking...

Ngày tải lên: 03/07/2014, 16:06

... tuning of the spatial-frequency mechanisms of the redgreen channel Journal of the Optical Society of America A 14(10):2622–2632 VQEG (2000) Final report from the Video Quality Experts Group on the ... Design and performance of a digital video quality metric In Proc SPIE Human Vision and Electronic Imaging, vol 3644, pp 168–174, San Jose, CA Watson, A B., Hu, J., McGowan III, J F (2001) Digital video ... compression 36 artifacts 42 lossy 36 standards 39 video 38 cones 11 consistency 65 contrast band-limited 72 isotropic 72 Digital Video Quality - Vision Models and Metrics Stefan Winkler # 2005 John...

Ngày tải lên: 09/08/2014, 19:21

... placement of the thumb to the sulcus of the fourth and fifth digits For digital scanning each participant was seated and the foot positioned as for the neutral suspension technique The digital scanner ... hips and knees extended One strip of plaster of Paris bandage (Gypsona ® ) was then applied to the rearfoot and one to the forefoot The foot was then placed in subtalar joint neutral position, the ... definition [8] Standard error of the measurement (SEM) calculations were undertaken to assess the difference between the actual measured score across the casts and digital images and the estimated...

Ngày tải lên: 10/08/2014, 21:24